diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 6259 |
1 files changed, 3381 insertions, 2878 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index aa22465bb56e..002ccd47856d 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -25,36 +25,69 @@ * */ -#include <drm/drm_scdc_helper.h> - -#include "i915_drv.h" +#include <linux/iopoll.h> +#include <linux/seq_buf.h> +#include <linux/string_helpers.h> + +#include <drm/display/drm_dp_helper.h> +#include <drm/display/drm_scdc_helper.h> +#include <drm/drm_print.h> +#include <drm/drm_privacy_screen_consumer.h> + +#include "i915_reg.h" +#include "icl_dsi.h" +#include "intel_alpm.h" #include "intel_audio.h" +#include "intel_audio_regs.h" +#include "intel_backlight.h" #include "intel_combo_phy.h" +#include "intel_combo_phy_regs.h" #include "intel_connector.h" +#include "intel_crtc.h" +#include "intel_cx0_phy.h" +#include "intel_cx0_phy_regs.h" #include "intel_ddi.h" +#include "intel_ddi_buf_trans.h" +#include "intel_de.h" +#include "intel_display_power.h" +#include "intel_display_regs.h" #include "intel_display_types.h" +#include "intel_display_utils.h" +#include "intel_dkl_phy.h" +#include "intel_dkl_phy_regs.h" #include "intel_dp.h" -#include "intel_dp_mst.h" +#include "intel_dp_aux.h" #include "intel_dp_link_training.h" +#include "intel_dp_mst.h" +#include "intel_dp_test.h" +#include "intel_dp_tunnel.h" #include "intel_dpio_phy.h" #include "intel_dsi.h" +#include "intel_encoder.h" +#include "intel_fdi.h" #include "intel_fifo_underrun.h" #include "intel_gmbus.h" #include "intel_hdcp.h" #include "intel_hdmi.h" #include "intel_hotplug.h" +#include "intel_hti.h" #include "intel_lspcon.h" +#include "intel_lt_phy.h" +#include "intel_mg_phy_regs.h" +#include "intel_modeset_lock.h" #include "intel_panel.h" +#include "intel_pfit.h" +#include "intel_pps.h" #include "intel_psr.h" -#include "intel_sprite.h" +#include "intel_quirks.h" +#include "intel_snps_phy.h" +#include "intel_step.h" #include "intel_tc.h" #include "intel_vdsc.h" - -struct ddi_buf_trans { - u32 trans1; /* balance leg enable, de-emph level */ - u32 trans2; /* vref sel, vswing */ - u8 i_boost; /* SKL: I_boost; valid: 0x0, 0x1, 0x3, 0x7 */ -}; +#include "intel_vdsc_regs.h" +#include "intel_vrr.h" +#include "skl_scaler.h" +#include "skl_universal_plane.h" static const u8 index_to_dp_signal_levels[] = { [0] = DP_TRAIN_VOLTAGE_SWING_LEVEL_0 | DP_TRAIN_PRE_EMPH_LEVEL_0, @@ -69,1003 +102,26 @@ static const u8 index_to_dp_signal_levels[] = { [9] = DP_TRAIN_VOLTAGE_SWING_LEVEL_3 | DP_TRAIN_PRE_EMPH_LEVEL_0, }; -/* HDMI/DVI modes ignore everything but the last 2 items. So we share - * them for both DP and FDI transports, allowing those ports to - * automatically adapt to HDMI connections as well - */ -static const struct ddi_buf_trans hsw_ddi_translations_dp[] = { - { 0x00FFFFFF, 0x0006000E, 0x0 }, - { 0x00D75FFF, 0x0005000A, 0x0 }, - { 0x00C30FFF, 0x00040006, 0x0 }, - { 0x80AAAFFF, 0x000B0000, 0x0 }, - { 0x00FFFFFF, 0x0005000A, 0x0 }, - { 0x00D75FFF, 0x000C0004, 0x0 }, - { 0x80C30FFF, 0x000B0000, 0x0 }, - { 0x00FFFFFF, 0x00040006, 0x0 }, - { 0x80D75FFF, 0x000B0000, 0x0 }, -}; - -static const struct ddi_buf_trans hsw_ddi_translations_fdi[] = { - { 0x00FFFFFF, 0x0007000E, 0x0 }, - { 0x00D75FFF, 0x000F000A, 0x0 }, - { 0x00C30FFF, 0x00060006, 0x0 }, - { 0x00AAAFFF, 0x001E0000, 0x0 }, - { 0x00FFFFFF, 0x000F000A, 0x0 }, - { 0x00D75FFF, 0x00160004, 0x0 }, - { 0x00C30FFF, 0x001E0000, 0x0 }, - { 0x00FFFFFF, 0x00060006, 0x0 }, - { 0x00D75FFF, 0x001E0000, 0x0 }, -}; - -static const struct ddi_buf_trans hsw_ddi_translations_hdmi[] = { - /* Idx NT mV d T mV d db */ - { 0x00FFFFFF, 0x0006000E, 0x0 },/* 0: 400 400 0 */ - { 0x00E79FFF, 0x000E000C, 0x0 },/* 1: 400 500 2 */ - { 0x00D75FFF, 0x0005000A, 0x0 },/* 2: 400 600 3.5 */ - { 0x00FFFFFF, 0x0005000A, 0x0 },/* 3: 600 600 0 */ - { 0x00E79FFF, 0x001D0007, 0x0 },/* 4: 600 750 2 */ - { 0x00D75FFF, 0x000C0004, 0x0 },/* 5: 600 900 3.5 */ - { 0x00FFFFFF, 0x00040006, 0x0 },/* 6: 800 800 0 */ - { 0x80E79FFF, 0x00030002, 0x0 },/* 7: 800 1000 2 */ - { 0x00FFFFFF, 0x00140005, 0x0 },/* 8: 850 850 0 */ - { 0x00FFFFFF, 0x000C0004, 0x0 },/* 9: 900 900 0 */ - { 0x00FFFFFF, 0x001C0003, 0x0 },/* 10: 950 950 0 */ - { 0x80FFFFFF, 0x00030002, 0x0 },/* 11: 1000 1000 0 */ -}; - -static const struct ddi_buf_trans bdw_ddi_translations_edp[] = { - { 0x00FFFFFF, 0x00000012, 0x0 }, - { 0x00EBAFFF, 0x00020011, 0x0 }, - { 0x00C71FFF, 0x0006000F, 0x0 }, - { 0x00AAAFFF, 0x000E000A, 0x0 }, - { 0x00FFFFFF, 0x00020011, 0x0 }, - { 0x00DB6FFF, 0x0005000F, 0x0 }, - { 0x00BEEFFF, 0x000A000C, 0x0 }, - { 0x00FFFFFF, 0x0005000F, 0x0 }, - { 0x00DB6FFF, 0x000A000C, 0x0 }, -}; - -static const struct ddi_buf_trans bdw_ddi_translations_dp[] = { - { 0x00FFFFFF, 0x0007000E, 0x0 }, - { 0x00D75FFF, 0x000E000A, 0x0 }, - { 0x00BEFFFF, 0x00140006, 0x0 }, - { 0x80B2CFFF, 0x001B0002, 0x0 }, - { 0x00FFFFFF, 0x000E000A, 0x0 }, - { 0x00DB6FFF, 0x00160005, 0x0 }, - { 0x80C71FFF, 0x001A0002, 0x0 }, - { 0x00F7DFFF, 0x00180004, 0x0 }, - { 0x80D75FFF, 0x001B0002, 0x0 }, -}; - -static const struct ddi_buf_trans bdw_ddi_translations_fdi[] = { - { 0x00FFFFFF, 0x0001000E, 0x0 }, - { 0x00D75FFF, 0x0004000A, 0x0 }, - { 0x00C30FFF, 0x00070006, 0x0 }, - { 0x00AAAFFF, 0x000C0000, 0x0 }, - { 0x00FFFFFF, 0x0004000A, 0x0 }, - { 0x00D75FFF, 0x00090004, 0x0 }, - { 0x00C30FFF, 0x000C0000, 0x0 }, - { 0x00FFFFFF, 0x00070006, 0x0 }, - { 0x00D75FFF, 0x000C0000, 0x0 }, -}; - -static const struct ddi_buf_trans bdw_ddi_translations_hdmi[] = { - /* Idx NT mV d T mV df db */ - { 0x00FFFFFF, 0x0007000E, 0x0 },/* 0: 400 400 0 */ - { 0x00D75FFF, 0x000E000A, 0x0 },/* 1: 400 600 3.5 */ - { 0x00BEFFFF, 0x00140006, 0x0 },/* 2: 400 800 6 */ - { 0x00FFFFFF, 0x0009000D, 0x0 },/* 3: 450 450 0 */ - { 0x00FFFFFF, 0x000E000A, 0x0 },/* 4: 600 600 0 */ - { 0x00D7FFFF, 0x00140006, 0x0 },/* 5: 600 800 2.5 */ - { 0x80CB2FFF, 0x001B0002, 0x0 },/* 6: 600 1000 4.5 */ - { 0x00FFFFFF, 0x00140006, 0x0 },/* 7: 800 800 0 */ - { 0x80E79FFF, 0x001B0002, 0x0 },/* 8: 800 1000 2 */ - { 0x80FFFFFF, 0x001B0002, 0x0 },/* 9: 1000 1000 0 */ -}; - -/* Skylake H and S */ -static const struct ddi_buf_trans skl_ddi_translations_dp[] = { - { 0x00002016, 0x000000A0, 0x0 }, - { 0x00005012, 0x0000009B, 0x0 }, - { 0x00007011, 0x00000088, 0x0 }, - { 0x80009010, 0x000000C0, 0x1 }, - { 0x00002016, 0x0000009B, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000C0, 0x1 }, - { 0x00002016, 0x000000DF, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, -}; - -/* Skylake U */ -static const struct ddi_buf_trans skl_u_ddi_translations_dp[] = { - { 0x0000201B, 0x000000A2, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x1 }, - { 0x80009010, 0x000000C0, 0x1 }, - { 0x0000201B, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, - { 0x80007011, 0x000000C0, 0x1 }, - { 0x00002016, 0x00000088, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, -}; - -/* Skylake Y */ -static const struct ddi_buf_trans skl_y_ddi_translations_dp[] = { - { 0x00000018, 0x000000A2, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x3 }, - { 0x80009010, 0x000000C0, 0x3 }, - { 0x00000018, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, - { 0x80007011, 0x000000C0, 0x3 }, - { 0x00000018, 0x00000088, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, -}; - -/* Kabylake H and S */ -static const struct ddi_buf_trans kbl_ddi_translations_dp[] = { - { 0x00002016, 0x000000A0, 0x0 }, - { 0x00005012, 0x0000009B, 0x0 }, - { 0x00007011, 0x00000088, 0x0 }, - { 0x80009010, 0x000000C0, 0x1 }, - { 0x00002016, 0x0000009B, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000C0, 0x1 }, - { 0x00002016, 0x00000097, 0x0 }, - { 0x80005012, 0x000000C0, 0x1 }, -}; - -/* Kabylake U */ -static const struct ddi_buf_trans kbl_u_ddi_translations_dp[] = { - { 0x0000201B, 0x000000A1, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x3 }, - { 0x80009010, 0x000000C0, 0x3 }, - { 0x0000201B, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, - { 0x80007011, 0x000000C0, 0x3 }, - { 0x00002016, 0x0000004F, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, -}; - -/* Kabylake Y */ -static const struct ddi_buf_trans kbl_y_ddi_translations_dp[] = { - { 0x00001017, 0x000000A1, 0x0 }, - { 0x00005012, 0x00000088, 0x0 }, - { 0x80007011, 0x000000CD, 0x3 }, - { 0x8000800F, 0x000000C0, 0x3 }, - { 0x00001017, 0x0000009D, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, - { 0x80007011, 0x000000C0, 0x3 }, - { 0x00001017, 0x0000004C, 0x0 }, - { 0x80005012, 0x000000C0, 0x3 }, -}; - -/* - * Skylake/Kabylake H and S - * eDP 1.4 low vswing translation parameters - */ -static const struct ddi_buf_trans skl_ddi_translations_edp[] = { - { 0x00000018, 0x000000A8, 0x0 }, - { 0x00004013, 0x000000A9, 0x0 }, - { 0x00007011, 0x000000A2, 0x0 }, - { 0x00009010, 0x0000009C, 0x0 }, - { 0x00000018, 0x000000A9, 0x0 }, - { 0x00006013, 0x000000A2, 0x0 }, - { 0x00007011, 0x000000A6, 0x0 }, - { 0x00000018, 0x000000AB, 0x0 }, - { 0x00007013, 0x0000009F, 0x0 }, - { 0x00000018, 0x000000DF, 0x0 }, -}; - -/* - * Skylake/Kabylake U - * eDP 1.4 low vswing translation parameters - */ -static const struct ddi_buf_trans skl_u_ddi_translations_edp[] = { - { 0x00000018, 0x000000A8, 0x0 }, - { 0x00004013, 0x000000A9, 0x0 }, - { 0x00007011, 0x000000A2, 0x0 }, - { 0x00009010, 0x0000009C, 0x0 }, - { 0x00000018, 0x000000A9, 0x0 }, - { 0x00006013, 0x000000A2, 0x0 }, - { 0x00007011, 0x000000A6, 0x0 }, - { 0x00002016, 0x000000AB, 0x0 }, - { 0x00005013, 0x0000009F, 0x0 }, - { 0x00000018, 0x000000DF, 0x0 }, -}; - -/* - * Skylake/Kabylake Y - * eDP 1.4 low vswing translation parameters - */ -static const struct ddi_buf_trans skl_y_ddi_translations_edp[] = { - { 0x00000018, 0x000000A8, 0x0 }, - { 0x00004013, 0x000000AB, 0x0 }, - { 0x00007011, 0x000000A4, 0x0 }, - { 0x00009010, 0x000000DF, 0x0 }, - { 0x00000018, 0x000000AA, 0x0 }, - { 0x00006013, 0x000000A4, 0x0 }, - { 0x00007011, 0x0000009D, 0x0 }, - { 0x00000018, 0x000000A0, 0x0 }, - { 0x00006012, 0x000000DF, 0x0 }, - { 0x00000018, 0x0000008A, 0x0 }, -}; - -/* Skylake/Kabylake U, H and S */ -static const struct ddi_buf_trans skl_ddi_translations_hdmi[] = { - { 0x00000018, 0x000000AC, 0x0 }, - { 0x00005012, 0x0000009D, 0x0 }, - { 0x00007011, 0x00000088, 0x0 }, - { 0x00000018, 0x000000A1, 0x0 }, - { 0x00000018, 0x00000098, 0x0 }, - { 0x00004013, 0x00000088, 0x0 }, - { 0x80006012, 0x000000CD, 0x1 }, - { 0x00000018, 0x000000DF, 0x0 }, - { 0x80003015, 0x000000CD, 0x1 }, /* Default */ - { 0x80003015, 0x000000C0, 0x1 }, - { 0x80000018, 0x000000C0, 0x1 }, -}; - -/* Skylake/Kabylake Y */ -static const struct ddi_buf_trans skl_y_ddi_translations_hdmi[] = { - { 0x00000018, 0x000000A1, 0x0 }, - { 0x00005012, 0x000000DF, 0x0 }, - { 0x80007011, 0x000000CB, 0x3 }, - { 0x00000018, 0x000000A4, 0x0 }, - { 0x00000018, 0x0000009D, 0x0 }, - { 0x00004013, 0x00000080, 0x0 }, - { 0x80006013, 0x000000C0, 0x3 }, - { 0x00000018, 0x0000008A, 0x0 }, - { 0x80003015, 0x000000C0, 0x3 }, /* Default */ - { 0x80003015, 0x000000C0, 0x3 }, - { 0x80000018, 0x000000C0, 0x3 }, -}; - -struct bxt_ddi_buf_trans { - u8 margin; /* swing value */ - u8 scale; /* scale value */ - u8 enable; /* scale enable */ - u8 deemphasis; -}; - -static const struct bxt_ddi_buf_trans bxt_ddi_translations_dp[] = { - /* Idx NT mV diff db */ - { 52, 0x9A, 0, 128, }, /* 0: 400 0 */ - { 78, 0x9A, 0, 85, }, /* 1: 400 3.5 */ - { 104, 0x9A, 0, 64, }, /* 2: 400 6 */ - { 154, 0x9A, 0, 43, }, /* 3: 400 9.5 */ - { 77, 0x9A, 0, 128, }, /* 4: 600 0 */ - { 116, 0x9A, 0, 85, }, /* 5: 600 3.5 */ - { 154, 0x9A, 0, 64, }, /* 6: 600 6 */ - { 102, 0x9A, 0, 128, }, /* 7: 800 0 */ - { 154, 0x9A, 0, 85, }, /* 8: 800 3.5 */ - { 154, 0x9A, 1, 128, }, /* 9: 1200 0 */ -}; - -static const struct bxt_ddi_buf_trans bxt_ddi_translations_edp[] = { - /* Idx NT mV diff db */ - { 26, 0, 0, 128, }, /* 0: 200 0 */ - { 38, 0, 0, 112, }, /* 1: 200 1.5 */ - { 48, 0, 0, 96, }, /* 2: 200 4 */ - { 54, 0, 0, 69, }, /* 3: 200 6 */ - { 32, 0, 0, 128, }, /* 4: 250 0 */ - { 48, 0, 0, 104, }, /* 5: 250 1.5 */ - { 54, 0, 0, 85, }, /* 6: 250 4 */ - { 43, 0, 0, 128, }, /* 7: 300 0 */ - { 54, 0, 0, 101, }, /* 8: 300 1.5 */ - { 48, 0, 0, 128, }, /* 9: 300 0 */ -}; - -/* BSpec has 2 recommended values - entries 0 and 8. - * Using the entry with higher vswing. - */ -static const struct bxt_ddi_buf_trans bxt_ddi_translations_hdmi[] = { - /* Idx NT mV diff db */ - { 52, 0x9A, 0, 128, }, /* 0: 400 0 */ - { 52, 0x9A, 0, 85, }, /* 1: 400 3.5 */ - { 52, 0x9A, 0, 64, }, /* 2: 400 6 */ - { 42, 0x9A, 0, 43, }, /* 3: 400 9.5 */ - { 77, 0x9A, 0, 128, }, /* 4: 600 0 */ - { 77, 0x9A, 0, 85, }, /* 5: 600 3.5 */ - { 77, 0x9A, 0, 64, }, /* 6: 600 6 */ - { 102, 0x9A, 0, 128, }, /* 7: 800 0 */ - { 102, 0x9A, 0, 85, }, /* 8: 800 3.5 */ - { 154, 0x9A, 1, 128, }, /* 9: 1200 0 */ -}; - -struct cnl_ddi_buf_trans { - u8 dw2_swing_sel; - u8 dw7_n_scalar; - u8 dw4_cursor_coeff; - u8 dw4_post_cursor_2; - u8 dw4_post_cursor_1; -}; - -/* Voltage Swing Programming for VccIO 0.85V for DP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_dp_0_85V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5D, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x6A, 0x38, 0x00, 0x07 }, /* 350 500 3.1 */ - { 0xB, 0x7A, 0x32, 0x00, 0x0D }, /* 350 700 6.0 */ - { 0x6, 0x7C, 0x2D, 0x00, 0x12 }, /* 350 900 8.2 */ - { 0xA, 0x69, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xB, 0x7A, 0x36, 0x00, 0x09 }, /* 500 700 2.9 */ - { 0x6, 0x7C, 0x30, 0x00, 0x0F }, /* 500 900 5.1 */ - { 0xB, 0x7D, 0x3C, 0x00, 0x03 }, /* 650 725 0.9 */ - { 0x6, 0x7C, 0x34, 0x00, 0x0B }, /* 600 900 3.5 */ - { 0x6, 0x7B, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.85V for HDMI */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_hdmi_0_85V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x60, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x73, 0x36, 0x00, 0x09 }, /* 450 650 3.2 */ - { 0x6, 0x7F, 0x31, 0x00, 0x0E }, /* 450 850 5.5 */ - { 0xB, 0x73, 0x3F, 0x00, 0x00 }, /* 650 650 0.0 */ - { 0x6, 0x7F, 0x37, 0x00, 0x08 }, /* 650 850 2.3 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 850 850 0.0 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.85V for eDP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_0_85V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x66, 0x3A, 0x00, 0x05 }, /* 384 500 2.3 */ - { 0x0, 0x7F, 0x38, 0x00, 0x07 }, /* 153 200 2.3 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 192 250 2.3 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 230 300 2.3 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 269 350 2.3 */ - { 0xA, 0x66, 0x3C, 0x00, 0x03 }, /* 446 500 1.0 */ - { 0xB, 0x70, 0x3C, 0x00, 0x03 }, /* 460 600 2.3 */ - { 0xC, 0x75, 0x3C, 0x00, 0x03 }, /* 537 700 2.3 */ - { 0x2, 0x7F, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.95V for DP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_dp_0_95V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5D, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x6A, 0x38, 0x00, 0x07 }, /* 350 500 3.1 */ - { 0xB, 0x7A, 0x32, 0x00, 0x0D }, /* 350 700 6.0 */ - { 0x6, 0x7C, 0x2D, 0x00, 0x12 }, /* 350 900 8.2 */ - { 0xA, 0x69, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xB, 0x7A, 0x36, 0x00, 0x09 }, /* 500 700 2.9 */ - { 0x6, 0x7C, 0x30, 0x00, 0x0F }, /* 500 900 5.1 */ - { 0xB, 0x7D, 0x3C, 0x00, 0x03 }, /* 650 725 0.9 */ - { 0x6, 0x7C, 0x34, 0x00, 0x0B }, /* 600 900 3.5 */ - { 0x6, 0x7B, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.95V for HDMI */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_hdmi_0_95V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5C, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ - { 0xB, 0x69, 0x37, 0x00, 0x08 }, /* 400 600 3.5 */ - { 0x5, 0x76, 0x31, 0x00, 0x0E }, /* 400 800 6.0 */ - { 0xA, 0x5E, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x69, 0x3F, 0x00, 0x00 }, /* 600 600 0.0 */ - { 0xB, 0x79, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ - { 0x6, 0x7D, 0x32, 0x00, 0x0D }, /* 600 1000 4.4 */ - { 0x5, 0x76, 0x3F, 0x00, 0x00 }, /* 800 800 0.0 */ - { 0x6, 0x7D, 0x39, 0x00, 0x06 }, /* 800 1000 1.9 */ - { 0x6, 0x7F, 0x39, 0x00, 0x06 }, /* 850 1050 1.8 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 1050 1050 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 0.95V for eDP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_0_95V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x61, 0x3A, 0x00, 0x05 }, /* 384 500 2.3 */ - { 0x0, 0x7F, 0x38, 0x00, 0x07 }, /* 153 200 2.3 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 192 250 2.3 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 230 300 2.3 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 269 350 2.3 */ - { 0xA, 0x61, 0x3C, 0x00, 0x03 }, /* 446 500 1.0 */ - { 0xB, 0x68, 0x39, 0x00, 0x06 }, /* 460 600 2.3 */ - { 0xC, 0x6E, 0x39, 0x00, 0x06 }, /* 537 700 2.3 */ - { 0x4, 0x7F, 0x3A, 0x00, 0x05 }, /* 460 600 2.3 */ - { 0x2, 0x7F, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 1.05V for DP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_dp_1_05V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x58, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ - { 0xB, 0x64, 0x37, 0x00, 0x08 }, /* 400 600 3.5 */ - { 0x5, 0x70, 0x31, 0x00, 0x0E }, /* 400 800 6.0 */ - { 0x6, 0x7F, 0x2C, 0x00, 0x13 }, /* 400 1050 8.4 */ - { 0xB, 0x64, 0x3F, 0x00, 0x00 }, /* 600 600 0.0 */ - { 0x5, 0x73, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ - { 0x6, 0x7F, 0x30, 0x00, 0x0F }, /* 550 1050 5.6 */ - { 0x5, 0x76, 0x3E, 0x00, 0x01 }, /* 850 900 0.5 */ - { 0x6, 0x7F, 0x36, 0x00, 0x09 }, /* 750 1050 2.9 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 1050 1050 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 1.05V for HDMI */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_hdmi_1_05V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x58, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ - { 0xB, 0x64, 0x37, 0x00, 0x08 }, /* 400 600 3.5 */ - { 0x5, 0x70, 0x31, 0x00, 0x0E }, /* 400 800 6.0 */ - { 0xA, 0x5B, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x64, 0x3F, 0x00, 0x00 }, /* 600 600 0.0 */ - { 0x5, 0x73, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ - { 0x6, 0x7C, 0x32, 0x00, 0x0D }, /* 600 1000 4.4 */ - { 0x5, 0x70, 0x3F, 0x00, 0x00 }, /* 800 800 0.0 */ - { 0x6, 0x7C, 0x39, 0x00, 0x06 }, /* 800 1000 1.9 */ - { 0x6, 0x7F, 0x39, 0x00, 0x06 }, /* 850 1050 1.8 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 1050 1050 0.0 */ -}; - -/* Voltage Swing Programming for VccIO 1.05V for eDP */ -static const struct cnl_ddi_buf_trans cnl_ddi_translations_edp_1_05V[] = { - /* NT mV Trans mV db */ - { 0xA, 0x5E, 0x3A, 0x00, 0x05 }, /* 384 500 2.3 */ - { 0x0, 0x7F, 0x38, 0x00, 0x07 }, /* 153 200 2.3 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 192 250 2.3 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 230 300 2.3 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 269 350 2.3 */ - { 0xA, 0x5E, 0x3C, 0x00, 0x03 }, /* 446 500 1.0 */ - { 0xB, 0x64, 0x39, 0x00, 0x06 }, /* 460 600 2.3 */ - { 0xE, 0x6A, 0x39, 0x00, 0x06 }, /* 537 700 2.3 */ - { 0x2, 0x7F, 0x3F, 0x00, 0x00 }, /* 400 400 0.0 */ -}; - -/* icl_combo_phy_ddi_translations */ -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_dp_hbr2[] = { - /* NT mV Trans mV db */ - { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ - { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ - { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ - { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ - { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ - { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr2[] = { - /* NT mV Trans mV db */ - { 0x0, 0x7F, 0x3F, 0x00, 0x00 }, /* 200 200 0.0 */ - { 0x8, 0x7F, 0x38, 0x00, 0x07 }, /* 200 250 1.9 */ - { 0x1, 0x7F, 0x33, 0x00, 0x0C }, /* 200 300 3.5 */ - { 0x9, 0x7F, 0x31, 0x00, 0x0E }, /* 200 350 4.9 */ - { 0x8, 0x7F, 0x3F, 0x00, 0x00 }, /* 250 250 0.0 */ - { 0x1, 0x7F, 0x38, 0x00, 0x07 }, /* 250 300 1.6 */ - { 0x9, 0x7F, 0x35, 0x00, 0x0A }, /* 250 350 2.9 */ - { 0x1, 0x7F, 0x3F, 0x00, 0x00 }, /* 300 300 0.0 */ - { 0x9, 0x7F, 0x38, 0x00, 0x07 }, /* 300 350 1.3 */ - { 0x9, 0x7F, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ -}; - -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_edp_hbr3[] = { - /* NT mV Trans mV db */ - { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ - { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ - { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ - { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ - { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ - { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -static const struct cnl_ddi_buf_trans icl_combo_phy_ddi_translations_hdmi[] = { - /* NT mV Trans mV db */ - { 0xA, 0x60, 0x3F, 0x00, 0x00 }, /* 450 450 0.0 */ - { 0xB, 0x73, 0x36, 0x00, 0x09 }, /* 450 650 3.2 */ - { 0x6, 0x7F, 0x31, 0x00, 0x0E }, /* 450 850 5.5 */ - { 0xB, 0x73, 0x3F, 0x00, 0x00 }, /* 650 650 0.0 ALS */ - { 0x6, 0x7F, 0x37, 0x00, 0x08 }, /* 650 850 2.3 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 850 850 0.0 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 850 3.0 */ -}; - -static const struct cnl_ddi_buf_trans ehl_combo_phy_ddi_translations_dp[] = { - /* NT mV Trans mV db */ - { 0xA, 0x33, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x47, 0x36, 0x00, 0x09 }, /* 350 500 3.1 */ - { 0xC, 0x64, 0x30, 0x00, 0x0F }, /* 350 700 6.0 */ - { 0x6, 0x7F, 0x2C, 0x00, 0x13 }, /* 350 900 8.2 */ - { 0xA, 0x46, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xC, 0x64, 0x36, 0x00, 0x09 }, /* 500 700 2.9 */ - { 0x6, 0x7F, 0x30, 0x00, 0x0F }, /* 500 900 5.1 */ - { 0xC, 0x61, 0x3F, 0x00, 0x00 }, /* 650 700 0.6 */ - { 0x6, 0x7F, 0x37, 0x00, 0x08 }, /* 600 900 3.5 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -struct icl_mg_phy_ddi_buf_trans { - u32 cri_txdeemph_override_11_6; - u32 cri_txdeemph_override_5_0; - u32 cri_txdeemph_override_17_12; -}; - -static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations_rbr_hbr[] = { - /* Voltage swing pre-emphasis */ - { 0x18, 0x00, 0x00 }, /* 0 0 */ - { 0x1D, 0x00, 0x05 }, /* 0 1 */ - { 0x24, 0x00, 0x0C }, /* 0 2 */ - { 0x2B, 0x00, 0x14 }, /* 0 3 */ - { 0x21, 0x00, 0x00 }, /* 1 0 */ - { 0x2B, 0x00, 0x08 }, /* 1 1 */ - { 0x30, 0x00, 0x0F }, /* 1 2 */ - { 0x31, 0x00, 0x03 }, /* 2 0 */ - { 0x34, 0x00, 0x0B }, /* 2 1 */ - { 0x3F, 0x00, 0x00 }, /* 3 0 */ -}; - -static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations_hbr2_hbr3[] = { - /* Voltage swing pre-emphasis */ - { 0x18, 0x00, 0x00 }, /* 0 0 */ - { 0x1D, 0x00, 0x05 }, /* 0 1 */ - { 0x24, 0x00, 0x0C }, /* 0 2 */ - { 0x2B, 0x00, 0x14 }, /* 0 3 */ - { 0x26, 0x00, 0x00 }, /* 1 0 */ - { 0x2C, 0x00, 0x07 }, /* 1 1 */ - { 0x33, 0x00, 0x0C }, /* 1 2 */ - { 0x2E, 0x00, 0x00 }, /* 2 0 */ - { 0x36, 0x00, 0x09 }, /* 2 1 */ - { 0x3F, 0x00, 0x00 }, /* 3 0 */ -}; - -static const struct icl_mg_phy_ddi_buf_trans icl_mg_phy_ddi_translations_hdmi[] = { - /* HDMI Preset VS Pre-emph */ - { 0x1A, 0x0, 0x0 }, /* 1 400mV 0dB */ - { 0x20, 0x0, 0x0 }, /* 2 500mV 0dB */ - { 0x29, 0x0, 0x0 }, /* 3 650mV 0dB */ - { 0x32, 0x0, 0x0 }, /* 4 800mV 0dB */ - { 0x3F, 0x0, 0x0 }, /* 5 1000mV 0dB */ - { 0x3A, 0x0, 0x5 }, /* 6 Full -1.5 dB */ - { 0x39, 0x0, 0x6 }, /* 7 Full -1.8 dB */ - { 0x38, 0x0, 0x7 }, /* 8 Full -2 dB */ - { 0x37, 0x0, 0x8 }, /* 9 Full -2.5 dB */ - { 0x36, 0x0, 0x9 }, /* 10 Full -3 dB */ -}; - -struct tgl_dkl_phy_ddi_buf_trans { - u32 dkl_vswing_control; - u32 dkl_preshoot_control; - u32 dkl_de_emphasis_control; -}; - -static const struct tgl_dkl_phy_ddi_buf_trans tgl_dkl_phy_dp_ddi_trans[] = { - /* VS pre-emp Non-trans mV Pre-emph dB */ - { 0x7, 0x0, 0x00 }, /* 0 0 400mV 0 dB */ - { 0x5, 0x0, 0x03 }, /* 0 1 400mV 3.5 dB */ - { 0x2, 0x0, 0x0b }, /* 0 2 400mV 6 dB */ - { 0x0, 0x0, 0x19 }, /* 0 3 400mV 9.5 dB */ - { 0x5, 0x0, 0x00 }, /* 1 0 600mV 0 dB */ - { 0x2, 0x0, 0x03 }, /* 1 1 600mV 3.5 dB */ - { 0x0, 0x0, 0x14 }, /* 1 2 600mV 6 dB */ - { 0x2, 0x0, 0x00 }, /* 2 0 800mV 0 dB */ - { 0x0, 0x0, 0x0B }, /* 2 1 800mV 3.5 dB */ - { 0x0, 0x0, 0x00 }, /* 3 0 1200mV 0 dB HDMI default */ -}; - -static const struct tgl_dkl_phy_ddi_buf_trans tgl_dkl_phy_hdmi_ddi_trans[] = { - /* HDMI Preset VS Pre-emph */ - { 0x7, 0x0, 0x0 }, /* 1 400mV 0dB */ - { 0x6, 0x0, 0x0 }, /* 2 500mV 0dB */ - { 0x4, 0x0, 0x0 }, /* 3 650mV 0dB */ - { 0x2, 0x0, 0x0 }, /* 4 800mV 0dB */ - { 0x0, 0x0, 0x0 }, /* 5 1000mV 0dB */ - { 0x0, 0x0, 0x5 }, /* 6 Full -1.5 dB */ - { 0x0, 0x0, 0x6 }, /* 7 Full -1.8 dB */ - { 0x0, 0x0, 0x7 }, /* 8 Full -2 dB */ - { 0x0, 0x0, 0x8 }, /* 9 Full -2.5 dB */ - { 0x0, 0x0, 0xA }, /* 10 Full -3 dB */ -}; - -static const struct cnl_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr[] = { - /* NT mV Trans mV db */ - { 0xA, 0x32, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ - { 0xC, 0x71, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ - { 0x6, 0x7D, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ - { 0xA, 0x4C, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xC, 0x73, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ - { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ - { 0xC, 0x6C, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ - { 0x6, 0x7F, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -static const struct cnl_ddi_buf_trans tgl_combo_phy_ddi_translations_dp_hbr2[] = { - /* NT mV Trans mV db */ - { 0xA, 0x35, 0x3F, 0x00, 0x00 }, /* 350 350 0.0 */ - { 0xA, 0x4F, 0x37, 0x00, 0x08 }, /* 350 500 3.1 */ - { 0xC, 0x63, 0x2F, 0x00, 0x10 }, /* 350 700 6.0 */ - { 0x6, 0x7F, 0x2B, 0x00, 0x14 }, /* 350 900 8.2 */ - { 0xA, 0x47, 0x3F, 0x00, 0x00 }, /* 500 500 0.0 */ - { 0xC, 0x63, 0x34, 0x00, 0x0B }, /* 500 700 2.9 */ - { 0x6, 0x7F, 0x2F, 0x00, 0x10 }, /* 500 900 5.1 */ - { 0xC, 0x61, 0x3C, 0x00, 0x03 }, /* 650 700 0.6 */ - { 0x6, 0x7B, 0x35, 0x00, 0x0A }, /* 600 900 3.5 */ - { 0x6, 0x7F, 0x3F, 0x00, 0x00 }, /* 900 900 0.0 */ -}; - -static const struct ddi_buf_trans * -bdw_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) +static int intel_ddi_hdmi_level(struct intel_encoder *encoder, + const struct intel_ddi_buf_trans *trans) { - if (dev_priv->vbt.edp.low_vswing) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_edp); - return bdw_ddi_translations_edp; - } else { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp); - return bdw_ddi_translations_dp; - } -} - -static const struct ddi_buf_trans * -skl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (IS_SKL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_y_ddi_translations_dp); - return skl_y_ddi_translations_dp; - } else if (IS_SKL_ULT(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_u_ddi_translations_dp); - return skl_u_ddi_translations_dp; - } else { - *n_entries = ARRAY_SIZE(skl_ddi_translations_dp); - return skl_ddi_translations_dp; - } -} - -static const struct ddi_buf_trans * -kbl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (IS_KBL_ULX(dev_priv) || IS_CFL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(kbl_y_ddi_translations_dp); - return kbl_y_ddi_translations_dp; - } else if (IS_KBL_ULT(dev_priv) || IS_CFL_ULT(dev_priv)) { - *n_entries = ARRAY_SIZE(kbl_u_ddi_translations_dp); - return kbl_u_ddi_translations_dp; - } else { - *n_entries = ARRAY_SIZE(kbl_ddi_translations_dp); - return kbl_ddi_translations_dp; - } -} - -static const struct ddi_buf_trans * -skl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (dev_priv->vbt.edp.low_vswing) { - if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv) || - IS_CFL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_y_ddi_translations_edp); - return skl_y_ddi_translations_edp; - } else if (IS_SKL_ULT(dev_priv) || IS_KBL_ULT(dev_priv) || - IS_CFL_ULT(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_u_ddi_translations_edp); - return skl_u_ddi_translations_edp; - } else { - *n_entries = ARRAY_SIZE(skl_ddi_translations_edp); - return skl_ddi_translations_edp; - } - } - - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) - return kbl_get_buf_trans_dp(dev_priv, n_entries); - else - return skl_get_buf_trans_dp(dev_priv, n_entries); -} - -static const struct ddi_buf_trans * -skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv) || - IS_CFL_ULX(dev_priv)) { - *n_entries = ARRAY_SIZE(skl_y_ddi_translations_hdmi); - return skl_y_ddi_translations_hdmi; - } else { - *n_entries = ARRAY_SIZE(skl_ddi_translations_hdmi); - return skl_ddi_translations_hdmi; - } -} - -static int skl_buf_trans_num_entries(enum port port, int n_entries) -{ - /* Only DDIA and DDIE can select the 10th register with DP */ - if (port == PORT_A || port == PORT_E) - return min(n_entries, 10); - else - return min(n_entries, 9); -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv, - enum port port, int *n_entries) -{ - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { - const struct ddi_buf_trans *ddi_translations = - kbl_get_buf_trans_dp(dev_priv, n_entries); - *n_entries = skl_buf_trans_num_entries(port, *n_entries); - return ddi_translations; - } else if (IS_SKYLAKE(dev_priv)) { - const struct ddi_buf_trans *ddi_translations = - skl_get_buf_trans_dp(dev_priv, n_entries); - *n_entries = skl_buf_trans_num_entries(port, *n_entries); - return ddi_translations; - } else if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp); - return bdw_ddi_translations_dp; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); - return hsw_ddi_translations_dp; - } - - *n_entries = 0; - return NULL; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_edp(struct drm_i915_private *dev_priv, - enum port port, int *n_entries) -{ - if (IS_GEN9_BC(dev_priv)) { - const struct ddi_buf_trans *ddi_translations = - skl_get_buf_trans_edp(dev_priv, n_entries); - *n_entries = skl_buf_trans_num_entries(port, *n_entries); - return ddi_translations; - } else if (IS_BROADWELL(dev_priv)) { - return bdw_get_buf_trans_edp(dev_priv, n_entries); - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp); - return hsw_ddi_translations_dp; - } - - *n_entries = 0; - return NULL; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv, - int *n_entries) -{ - if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_fdi); - return bdw_ddi_translations_fdi; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_fdi); - return hsw_ddi_translations_fdi; - } - - *n_entries = 0; - return NULL; -} - -static const struct ddi_buf_trans * -intel_ddi_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, - int *n_entries) -{ - if (IS_GEN9_BC(dev_priv)) { - return skl_get_buf_trans_hdmi(dev_priv, n_entries); - } else if (IS_BROADWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi); - return bdw_ddi_translations_hdmi; - } else if (IS_HASWELL(dev_priv)) { - *n_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi); - return hsw_ddi_translations_hdmi; - } - - *n_entries = 0; - return NULL; -} - -static const struct bxt_ddi_buf_trans * -bxt_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - *n_entries = ARRAY_SIZE(bxt_ddi_translations_dp); - return bxt_ddi_translations_dp; -} - -static const struct bxt_ddi_buf_trans * -bxt_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) -{ - if (dev_priv->vbt.edp.low_vswing) { - *n_entries = ARRAY_SIZE(bxt_ddi_translations_edp); - return bxt_ddi_translations_edp; - } - - return bxt_get_buf_trans_dp(dev_priv, n_entries); -} - -static const struct bxt_ddi_buf_trans * -bxt_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) -{ - *n_entries = ARRAY_SIZE(bxt_ddi_translations_hdmi); - return bxt_ddi_translations_hdmi; -} - -static const struct cnl_ddi_buf_trans * -cnl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) -{ - u32 voltage = intel_de_read(dev_priv, CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; - - if (voltage == VOLTAGE_INFO_0_85V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_85V); - return cnl_ddi_translations_hdmi_0_85V; - } else if (voltage == VOLTAGE_INFO_0_95V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_0_95V); - return cnl_ddi_translations_hdmi_0_95V; - } else if (voltage == VOLTAGE_INFO_1_05V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_hdmi_1_05V); - return cnl_ddi_translations_hdmi_1_05V; - } else { - *n_entries = 1; /* shut up gcc */ - MISSING_CASE(voltage); - } - return NULL; -} - -static const struct cnl_ddi_buf_trans * -cnl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) -{ - u32 voltage = intel_de_read(dev_priv, CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; - - if (voltage == VOLTAGE_INFO_0_85V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_85V); - return cnl_ddi_translations_dp_0_85V; - } else if (voltage == VOLTAGE_INFO_0_95V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_0_95V); - return cnl_ddi_translations_dp_0_95V; - } else if (voltage == VOLTAGE_INFO_1_05V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_dp_1_05V); - return cnl_ddi_translations_dp_1_05V; - } else { - *n_entries = 1; /* shut up gcc */ - MISSING_CASE(voltage); - } - return NULL; -} - -static const struct cnl_ddi_buf_trans * -cnl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) -{ - u32 voltage = intel_de_read(dev_priv, CNL_PORT_COMP_DW3) & VOLTAGE_INFO_MASK; - - if (dev_priv->vbt.edp.low_vswing) { - if (voltage == VOLTAGE_INFO_0_85V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_85V); - return cnl_ddi_translations_edp_0_85V; - } else if (voltage == VOLTAGE_INFO_0_95V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_0_95V); - return cnl_ddi_translations_edp_0_95V; - } else if (voltage == VOLTAGE_INFO_1_05V) { - *n_entries = ARRAY_SIZE(cnl_ddi_translations_edp_1_05V); - return cnl_ddi_translations_edp_1_05V; - } else { - *n_entries = 1; /* shut up gcc */ - MISSING_CASE(voltage); - } - return NULL; - } else { - return cnl_get_buf_trans_dp(dev_priv, n_entries); - } -} - -static const struct cnl_ddi_buf_trans * -icl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, - int *n_entries) -{ - if (type == INTEL_OUTPUT_HDMI) { - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_hdmi); - return icl_combo_phy_ddi_translations_hdmi; - } else if (rate > 540000 && type == INTEL_OUTPUT_EDP) { - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3); - return icl_combo_phy_ddi_translations_edp_hbr3; - } else if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) { - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr2); - return icl_combo_phy_ddi_translations_edp_hbr2; - } + int level; - *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_dp_hbr2); - return icl_combo_phy_ddi_translations_dp_hbr2; -} - -static const struct icl_mg_phy_ddi_buf_trans * -icl_get_mg_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, - int *n_entries) -{ - if (type == INTEL_OUTPUT_HDMI) { - *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_hdmi); - return icl_mg_phy_ddi_translations_hdmi; - } else if (rate > 270000) { - *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_hbr2_hbr3); - return icl_mg_phy_ddi_translations_hbr2_hbr3; - } - - *n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations_rbr_hbr); - return icl_mg_phy_ddi_translations_rbr_hbr; -} - -static const struct cnl_ddi_buf_trans * -ehl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, - int *n_entries) -{ - if (type != INTEL_OUTPUT_HDMI && type != INTEL_OUTPUT_EDP) { - *n_entries = ARRAY_SIZE(ehl_combo_phy_ddi_translations_dp); - return ehl_combo_phy_ddi_translations_dp; - } + level = intel_bios_hdmi_level_shift(encoder->devdata); + if (level < 0) + level = trans->hdmi_default_entry; - return icl_get_combo_buf_trans(dev_priv, type, rate, n_entries); + return level; } -static const struct cnl_ddi_buf_trans * -tgl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, - int *n_entries) +static bool has_buf_trans_select(struct intel_display *display) { - if (type == INTEL_OUTPUT_HDMI || type == INTEL_OUTPUT_EDP) { - return icl_get_combo_buf_trans(dev_priv, type, rate, n_entries); - } else if (rate > 270000) { - *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr2); - return tgl_combo_phy_ddi_translations_dp_hbr2; - } - - *n_entries = ARRAY_SIZE(tgl_combo_phy_ddi_translations_dp_hbr); - return tgl_combo_phy_ddi_translations_dp_hbr; + return DISPLAY_VER(display) < 10 && !display->platform.broxton; } -static int intel_ddi_hdmi_level(struct intel_encoder *encoder) +static bool has_iboost(struct intel_display *display) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - int n_entries, level, default_entry; - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - if (INTEL_GEN(dev_priv) >= 12) { - if (intel_phy_is_combo(dev_priv, phy)) - tgl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, - 0, &n_entries); - else - n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans); - default_entry = n_entries - 1; - } else if (INTEL_GEN(dev_priv) == 11) { - if (intel_phy_is_combo(dev_priv, phy)) - icl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, - 0, &n_entries); - else - icl_get_mg_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, 0, - &n_entries); - default_entry = n_entries - 1; - } else if (IS_CANNONLAKE(dev_priv)) { - cnl_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = n_entries - 1; - } else if (IS_GEN9_LP(dev_priv)) { - bxt_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = n_entries - 1; - } else if (IS_GEN9_BC(dev_priv)) { - intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = 8; - } else if (IS_BROADWELL(dev_priv)) { - intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = 7; - } else if (IS_HASWELL(dev_priv)) { - intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - default_entry = 6; - } else { - drm_WARN(&dev_priv->drm, 1, "ddi translation table missing\n"); - return 0; - } - - if (drm_WARN_ON_ONCE(&dev_priv->drm, n_entries == 0)) - return 0; - - level = intel_bios_hdmi_level_shift(encoder); - if (level < 0) - level = default_entry; - - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; - - return level; + return DISPLAY_VER(display) == 9 && !display->platform.broxton; } /* @@ -1073,34 +129,29 @@ static int intel_ddi_hdmi_level(struct intel_encoder *encoder) * values in advance. This function programs the correct values for * DP/eDP/FDI use cases. */ -static void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +void hsw_prepare_dp_ddi_buffers(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); u32 iboost_bit = 0; int i, n_entries; enum port port = encoder->port; - const struct ddi_buf_trans *ddi_translations; - - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) - ddi_translations = intel_ddi_get_buf_trans_fdi(dev_priv, - &n_entries); - else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) - ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, port, - &n_entries); - else - ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, port, - &n_entries); + const struct intel_ddi_buf_trans *trans; + + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(display->drm, !trans)) + return; /* If we're boosting the current, set bit 31 of trans1 */ - if (IS_GEN9_BC(dev_priv) && intel_bios_dp_boost_level(encoder)) + if (has_iboost(display) && + intel_bios_dp_boost_level(encoder->devdata)) iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; for (i = 0; i < n_entries; i++) { - intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, i), - ddi_translations[i].trans1 | iboost_bit); - intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, i), - ddi_translations[i].trans2); + intel_de_write(display, DDI_BUF_TRANS_LO(port, i), + trans->entries[i].hsw.trans1 | iboost_bit); + intel_de_write(display, DDI_BUF_TRANS_HI(port, i), + trans->entries[i].hsw.trans2); } } @@ -1109,49 +160,88 @@ static void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder, * values in advance. This function programs the correct values for * HDMI/DVI use cases. */ -static void intel_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, - int level) +static void hsw_prepare_hdmi_ddi_buffers(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); + int level = intel_ddi_level(encoder, crtc_state, 0); u32 iboost_bit = 0; int n_entries; enum port port = encoder->port; - const struct ddi_buf_trans *ddi_translations; - - ddi_translations = intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); + const struct intel_ddi_buf_trans *trans; - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(display->drm, !trans)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; /* If we're boosting the current, set bit 31 of trans1 */ - if (IS_GEN9_BC(dev_priv) && intel_bios_hdmi_boost_level(encoder)) + if (has_iboost(display) && + intel_bios_hdmi_boost_level(encoder->devdata)) iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE; /* Entry 9 is for HDMI: */ - intel_de_write(dev_priv, DDI_BUF_TRANS_LO(port, 9), - ddi_translations[level].trans1 | iboost_bit); - intel_de_write(dev_priv, DDI_BUF_TRANS_HI(port, 9), - ddi_translations[level].trans2); + intel_de_write(display, DDI_BUF_TRANS_LO(port, 9), + trans->entries[level].hsw.trans1 | iboost_bit); + intel_de_write(display, DDI_BUF_TRANS_HI(port, 9), + trans->entries[level].hsw.trans2); } -static void intel_wait_ddi_buf_idle(struct drm_i915_private *dev_priv, - enum port port) +static i915_reg_t intel_ddi_buf_status_reg(struct intel_display *display, enum port port) { - i915_reg_t reg = DDI_BUF_CTL(port); - int i; + if (DISPLAY_VER(display) >= 14) + return XELPDP_PORT_BUF_CTL1(display, port); + else + return DDI_BUF_CTL(port); +} - for (i = 0; i < 16; i++) { - udelay(1); - if (intel_de_read(dev_priv, reg) & DDI_BUF_IS_IDLE) - return; +void intel_wait_ddi_buf_idle(struct intel_display *display, enum port port) +{ + /* + * Bspec's platform specific timeouts: + * MTL+ : 100 us + * BXT : fixed 16 us + * HSW-ADL: 8 us + * + * FIXME: MTL requires 10 ms based on tests, find out why 100 us is too short + */ + if (display->platform.broxton) { + udelay(16); + return; } - drm_err(&dev_priv->drm, "Timeout waiting for DDI BUF %c idle bit\n", - port_name(port)); + + static_assert(DDI_BUF_IS_IDLE == XELPDP_PORT_BUF_PHY_IDLE); + if (intel_de_wait_for_set_ms(display, intel_ddi_buf_status_reg(display, port), + DDI_BUF_IS_IDLE, 10)) + drm_err(display->drm, "Timeout waiting for DDI BUF %c to get idle\n", + port_name(port)); } -static u32 hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll) +static void intel_wait_ddi_buf_active(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + + /* + * Bspec's platform specific timeouts: + * MTL+ : 10000 us + * DG2 : 1200 us + * TGL-ADL combo PHY: 1000 us + * TGL-ADL TypeC PHY: 3000 us + * HSW-ICL : fixed 518 us + */ + if (DISPLAY_VER(display) < 10) { + usleep_range(518, 1000); + return; + } + + static_assert(DDI_BUF_IS_IDLE == XELPDP_PORT_BUF_PHY_IDLE); + if (intel_de_wait_for_clear_ms(display, intel_ddi_buf_status_reg(display, port), + DDI_BUF_IS_IDLE, 10)) + drm_err(display->drm, "Timeout waiting for DDI BUF %c to get active\n", + port_name(port)); +} + +static u32 hsw_pll_to_ddi_pll_sel(const struct intel_dpll *pll) { switch (pll->info->id) { case DPLL_ID_WRPLL1: @@ -1175,7 +265,7 @@ static u32 hsw_pll_to_ddi_pll_sel(const struct intel_shared_dpll *pll) static u32 icl_pll_to_ddi_clk_sel(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - const struct intel_shared_dpll *pll = crtc_state->shared_dpll; + const struct intel_dpll *pll = crtc_state->intel_dpll; int clock = crtc_state->port_clock; const enum intel_dpll_id id = pll->info->id; @@ -1211,156 +301,92 @@ static u32 icl_pll_to_ddi_clk_sel(struct intel_encoder *encoder, } } -/* Starting with Haswell, different DDI ports can work in FDI mode for - * connection to the PCH-located connectors. For this, it is necessary to train - * both the DDI port and PCH receiver for the desired DDI buffer settings. - * - * The recommended port to work in FDI mode is DDI E, which we use here. Also, - * please note that when FDI mode is active on DDI E, it shares 2 lines with - * DDI A (which is used for eDP) - */ - -void hsw_fdi_link_train(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +static u32 ddi_buf_phy_link_rate(int port_clock) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - u32 temp, i, rx_ctl_val, ddi_pll_sel; - - intel_prepare_dp_ddi_buffers(encoder, crtc_state); + switch (port_clock) { + case 162000: + return DDI_BUF_PHY_LINK_RATE(0); + case 216000: + return DDI_BUF_PHY_LINK_RATE(4); + case 243000: + return DDI_BUF_PHY_LINK_RATE(5); + case 270000: + return DDI_BUF_PHY_LINK_RATE(1); + case 324000: + return DDI_BUF_PHY_LINK_RATE(6); + case 432000: + return DDI_BUF_PHY_LINK_RATE(7); + case 540000: + return DDI_BUF_PHY_LINK_RATE(2); + case 810000: + return DDI_BUF_PHY_LINK_RATE(3); + default: + MISSING_CASE(port_clock); + return DDI_BUF_PHY_LINK_RATE(0); + } +} - /* Set the FDI_RX_MISC pwrdn lanes and the 2 workarounds listed at the - * mode set "sequence for CRT port" document: - * - TP1 to TP2 time with the default value - * - FDI delay to 90h +static int dp_phy_lane_stagger_delay(int port_clock) +{ + /* + * Return the number of symbol clocks delay used to stagger the + * assertion/desassertion of the port lane enables. The target delay + * time is 100 ns or greater, return the number of symbols specific to + * the provided port_clock (aka link clock) corresponding to this delay + * time, i.e. so that * - * WaFDIAutoLinkSetTimingOverrride:hsw + * number_of_symbols * duration_of_one_symbol >= 100 ns + * + * The delay must be applied only on TypeC DP outputs, for everything else + * the delay must be set to 0. + * + * Return the number of link symbols per 100 ns: + * port_clock (10 kHz) -> bits / 100 us + * / symbol_size -> symbols / 100 us + * / 1000 -> symbols / 100 ns */ - intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), - FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2) | FDI_RX_TP1_TO_TP2_48 | FDI_RX_FDI_DELAY_90); - - /* Enable the PCH Receiver FDI PLL */ - rx_ctl_val = dev_priv->fdi_rx_config | FDI_RX_ENHANCE_FRAME_ENABLE | - FDI_RX_PLL_ENABLE | - FDI_DP_PORT_WIDTH(crtc_state->fdi_lanes); - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val); - intel_de_posting_read(dev_priv, FDI_RX_CTL(PIPE_A)); - udelay(220); - - /* Switch from Rawclk to PCDclk */ - rx_ctl_val |= FDI_PCDCLK; - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val); - - /* Configure Port Clock Select */ - ddi_pll_sel = hsw_pll_to_ddi_pll_sel(crtc_state->shared_dpll); - intel_de_write(dev_priv, PORT_CLK_SEL(PORT_E), ddi_pll_sel); - drm_WARN_ON(&dev_priv->drm, ddi_pll_sel != PORT_CLK_SEL_SPLL); - - /* Start the training iterating through available voltages and emphasis, - * testing each value twice. */ - for (i = 0; i < ARRAY_SIZE(hsw_ddi_translations_fdi) * 2; i++) { - /* Configure DP_TP_CTL with auto-training */ - intel_de_write(dev_priv, DP_TP_CTL(PORT_E), - DP_TP_CTL_FDI_AUTOTRAIN | - DP_TP_CTL_ENHANCED_FRAME_ENABLE | - DP_TP_CTL_LINK_TRAIN_PAT1 | - DP_TP_CTL_ENABLE); - - /* Configure and enable DDI_BUF_CTL for DDI E with next voltage. - * DDI E does not support port reversal, the functionality is - * achieved on the PCH side in FDI_RX_CTL, so no need to set the - * port reversal bit */ - intel_de_write(dev_priv, DDI_BUF_CTL(PORT_E), - DDI_BUF_CTL_ENABLE | ((crtc_state->fdi_lanes - 1) << 1) | DDI_BUF_TRANS_SELECT(i / 2)); - intel_de_posting_read(dev_priv, DDI_BUF_CTL(PORT_E)); - - udelay(600); - - /* Program PCH FDI Receiver TU */ - intel_de_write(dev_priv, FDI_RX_TUSIZE1(PIPE_A), TU_SIZE(64)); - - /* Enable PCH FDI Receiver with auto-training */ - rx_ctl_val |= FDI_RX_ENABLE | FDI_LINK_TRAIN_AUTO; - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val); - intel_de_posting_read(dev_priv, FDI_RX_CTL(PIPE_A)); - - /* Wait for FDI receiver lane calibration */ - udelay(30); - - /* Unset FDI_RX_MISC pwrdn lanes */ - temp = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A)); - temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); - intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), temp); - intel_de_posting_read(dev_priv, FDI_RX_MISC(PIPE_A)); - - /* Wait for FDI auto training time */ - udelay(5); - - temp = intel_de_read(dev_priv, DP_TP_STATUS(PORT_E)); - if (temp & DP_TP_STATUS_AUTOTRAIN_DONE) { - drm_dbg_kms(&dev_priv->drm, - "FDI link training done on step %d\n", i); - break; - } - - /* - * Leave things enabled even if we failed to train FDI. - * Results in less fireworks from the state checker. - */ - if (i == ARRAY_SIZE(hsw_ddi_translations_fdi) * 2 - 1) { - drm_err(&dev_priv->drm, "FDI link training failed!\n"); - break; - } - - rx_ctl_val &= ~FDI_RX_ENABLE; - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), rx_ctl_val); - intel_de_posting_read(dev_priv, FDI_RX_CTL(PIPE_A)); + return DIV_ROUND_UP(port_clock, intel_dp_link_symbol_size(port_clock) * 1000); +} - temp = intel_de_read(dev_priv, DDI_BUF_CTL(PORT_E)); - temp &= ~DDI_BUF_CTL_ENABLE; - intel_de_write(dev_priv, DDI_BUF_CTL(PORT_E), temp); - intel_de_posting_read(dev_priv, DDI_BUF_CTL(PORT_E)); +static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - /* Disable DP_TP_CTL and FDI_RX_CTL and retry */ - temp = intel_de_read(dev_priv, DP_TP_CTL(PORT_E)); - temp &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); - temp |= DP_TP_CTL_LINK_TRAIN_PAT1; - intel_de_write(dev_priv, DP_TP_CTL(PORT_E), temp); - intel_de_posting_read(dev_priv, DP_TP_CTL(PORT_E)); + /* DDI_BUF_CTL_ENABLE will be set by intel_ddi_prepare_link_retrain() later */ + intel_dp->DP = DDI_PORT_WIDTH(crtc_state->lane_count) | + DDI_BUF_TRANS_SELECT(0); - intel_wait_ddi_buf_idle(dev_priv, PORT_E); + if (dig_port->lane_reversal) + intel_dp->DP |= DDI_BUF_PORT_REVERSAL; + if (dig_port->ddi_a_4_lanes) + intel_dp->DP |= DDI_A_4_LANES; - /* Reset FDI_RX_MISC pwrdn lanes */ - temp = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A)); - temp &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); - temp |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2); - intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), temp); - intel_de_posting_read(dev_priv, FDI_RX_MISC(PIPE_A)); + if (DISPLAY_VER(display) >= 14) { + if (intel_dp_is_uhbr(crtc_state)) + intel_dp->DP |= DDI_BUF_PORT_DATA_40BIT; + else + intel_dp->DP |= DDI_BUF_PORT_DATA_10BIT; } - /* Enable normal pixel sending for FDI */ - intel_de_write(dev_priv, DP_TP_CTL(PORT_E), - DP_TP_CTL_FDI_AUTOTRAIN | - DP_TP_CTL_LINK_TRAIN_NORMAL | - DP_TP_CTL_ENHANCED_FRAME_ENABLE | - DP_TP_CTL_ENABLE); -} + if (display->platform.alderlake_p && intel_encoder_is_tc(encoder)) { + intel_dp->DP |= ddi_buf_phy_link_rate(crtc_state->port_clock); + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) + intel_dp->DP |= DDI_BUF_CTL_TC_PHY_OWNERSHIP; + } -static void intel_ddi_init_dp_buf_reg(struct intel_encoder *encoder) -{ - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - struct intel_digital_port *intel_dig_port = - enc_to_dig_port(encoder); + if (IS_DISPLAY_VER(display, 11, 13) && intel_encoder_is_tc(encoder)) { + int delay = dp_phy_lane_stagger_delay(crtc_state->port_clock); - intel_dp->DP = intel_dig_port->saved_port_bits | - DDI_BUF_CTL_ENABLE | DDI_BUF_TRANS_SELECT(0); - intel_dp->DP |= DDI_PORT_WIDTH(intel_dp->lane_count); + intel_dp->DP |= DDI_BUF_LANE_STAGGER_DELAY(delay); + } } -static int icl_calc_tbt_pll_link(struct drm_i915_private *dev_priv, - enum port port) +static int icl_calc_tbt_pll_link(struct intel_display *display, enum port port) { - u32 val = intel_de_read(dev_priv, DDI_CLK_SEL(port)) & DDI_CLK_SEL_MASK; + u32 val = intel_de_read(display, DDI_CLK_SEL(port)) & DDI_CLK_SEL_MASK; switch (val) { case DDI_CLK_SEL_NONE: @@ -1381,59 +407,25 @@ static int icl_calc_tbt_pll_link(struct drm_i915_private *dev_priv, static void ddi_dotclock_get(struct intel_crtc_state *pipe_config) { - int dotclock; - + /* CRT dotclock is determined via other means */ if (pipe_config->has_pch_encoder) - dotclock = intel_dotclock_calculate(pipe_config->port_clock, - &pipe_config->fdi_m_n); - else if (intel_crtc_has_dp_encoder(pipe_config)) - dotclock = intel_dotclock_calculate(pipe_config->port_clock, - &pipe_config->dp_m_n); - else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp > 24) - dotclock = pipe_config->port_clock * 24 / pipe_config->pipe_bpp; - else - dotclock = pipe_config->port_clock; - - if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 && - !intel_crtc_has_dp_encoder(pipe_config)) - dotclock *= 2; - - if (pipe_config->pixel_multiplier) - dotclock /= pipe_config->pixel_multiplier; - - pipe_config->hw.adjusted_mode.crtc_clock = dotclock; -} - -static void intel_ddi_clock_get(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - - if (intel_phy_is_tc(dev_priv, phy) && - intel_get_shared_dpll_id(dev_priv, pipe_config->shared_dpll) == - DPLL_ID_ICL_TBTPLL) - pipe_config->port_clock = icl_calc_tbt_pll_link(dev_priv, - encoder->port); - else - pipe_config->port_clock = - intel_dpll_get_freq(dev_priv, pipe_config->shared_dpll); + return; - ddi_dotclock_get(pipe_config); + pipe_config->hw.adjusted_mode.crtc_clock = + intel_crtc_dotclock(pipe_config); } void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_display *display = to_intel_display(crtc_state); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; u32 temp; if (!intel_crtc_has_dp_encoder(crtc_state)) return; - drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder)); + drm_WARN_ON(display->drm, transcoder_is_dsi(cpu_transcoder)); temp = DP_MSA_MISC_SYNC_CLOCK; @@ -1456,7 +448,7 @@ void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, } /* nonsense combination */ - drm_WARN_ON(&dev_priv->drm, crtc_state->limited_color_range && + drm_WARN_ON(display->drm, crtc_state->limited_color_range && crtc_state->output_format != INTEL_OUTPUT_FORMAT_RGB); if (crtc_state->limited_color_range) @@ -1479,7 +471,8 @@ void intel_ddi_set_dp_msa(const struct intel_crtc_state *crtc_state, if (intel_dp_needs_vsc_sdp(crtc_state, conn_state)) temp |= DP_MSA_MISC_COLOR_VSC_SDP; - intel_de_write(dev_priv, TRANS_MSA_MISC(cpu_transcoder), temp); + intel_de_write(display, TRANS_MSA_MISC(display, cpu_transcoder), + temp); } static u32 bdw_trans_port_sync_master_select(enum transcoder master_transcoder) @@ -1490,6 +483,23 @@ static u32 bdw_trans_port_sync_master_select(enum transcoder master_transcoder) return master_transcoder + 1; } +static void +intel_ddi_config_transcoder_dp2(const struct intel_crtc_state *crtc_state, + bool enable) +{ + struct intel_display *display = to_intel_display(crtc_state); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 val = 0; + + if (!HAS_DP20(display)) + return; + + if (enable && intel_dp_is_uhbr(crtc_state)) + val = TRANS_DP2_128B132B_CHANNEL_CODING; + + intel_de_write(display, TRANS_DP2_CTL(cpu_transcoder), val); +} + /* * Returns the TRANS_DDI_FUNC_CTL value based on CRTC state. * @@ -1500,8 +510,8 @@ static u32 intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { + struct intel_display *display = to_intel_display(crtc_state); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; enum port port = encoder->port; @@ -1509,12 +519,15 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, /* Enable TRANS_DDI_FUNC_CTL for the pipe to work in HDMI mode */ temp = TRANS_DDI_FUNC_ENABLE; - if (INTEL_GEN(dev_priv) >= 12) + if (DISPLAY_VER(display) >= 12) temp |= TGL_TRANS_DDI_SELECT_PORT(port); else temp |= TRANS_DDI_SELECT_PORT(port); switch (crtc_state->pipe_bpp) { + default: + MISSING_CASE(crtc_state->pipe_bpp); + fallthrough; case 18: temp |= TRANS_DDI_BPC_6; break; @@ -1527,8 +540,6 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, case 36: temp |= TRANS_DDI_BPC_12; break; - default: - BUG(); } if (crtc_state->hw.adjusted_mode.flags & DRM_MODE_FLAG_PVSYNC) @@ -1538,6 +549,9 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, if (cpu_transcoder == TRANSCODER_EDP) { switch (pipe) { + default: + MISSING_CASE(pipe); + fallthrough; case PIPE_A: /* On Haswell, can only use the always-on power well for * eDP when not using the panel fitter, and when not @@ -1554,9 +568,6 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, case PIPE_C: temp |= TRANS_DDI_EDP_INPUT_C_ONOFF; break; - default: - BUG(); - break; } } @@ -1570,19 +581,26 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, temp |= TRANS_DDI_HDMI_SCRAMBLING; if (crtc_state->hdmi_high_tmds_clock_ratio) temp |= TRANS_DDI_HIGH_TMDS_CHAR_RATE; + if (DISPLAY_VER(display) >= 14) + temp |= TRANS_DDI_PORT_WIDTH(crtc_state->lane_count); } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_ANALOG)) { - temp |= TRANS_DDI_MODE_SELECT_FDI; + temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; temp |= (crtc_state->fdi_lanes - 1) << 1; - } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { - temp |= TRANS_DDI_MODE_SELECT_DP_MST; + } else if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) || + intel_dp_is_uhbr(crtc_state)) { + if (intel_dp_is_uhbr(crtc_state)) + temp |= TRANS_DDI_MODE_SELECT_FDI_OR_128B132B; + else + temp |= TRANS_DDI_MODE_SELECT_DP_MST; temp |= DDI_PORT_WIDTH(crtc_state->lane_count); - if (INTEL_GEN(dev_priv) >= 12) { + if (DISPLAY_VER(display) >= 12) { enum transcoder master; master = crtc_state->mst_master_transcoder; - drm_WARN_ON(&dev_priv->drm, - master == INVALID_TRANSCODER); + if (drm_WARN_ON(display->drm, + master == INVALID_TRANSCODER)) + master = TRANSCODER_A; temp |= TRANS_DDI_MST_TRANSPORT_SELECT(master); } } else { @@ -1590,7 +608,7 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, temp |= DDI_PORT_WIDTH(crtc_state->lane_count); } - if (IS_GEN_RANGE(dev_priv, 8, 10) && + if (IS_DISPLAY_VER(display, 8, 10) && crtc_state->master_transcoder != INVALID_TRANSCODER) { u8 master_select = bdw_trans_port_sync_master_select(crtc_state->master_transcoder); @@ -1605,12 +623,10 @@ intel_ddi_transcoder_func_reg_val_get(struct intel_encoder *encoder, void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_display *display = to_intel_display(crtc_state); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - u32 ctl; - if (INTEL_GEN(dev_priv) >= 11) { + if (DISPLAY_VER(display) >= 11) { enum transcoder master_transcoder = crtc_state->master_transcoder; u32 ctl2 = 0; @@ -1622,54 +638,67 @@ void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder, PORT_SYNC_MODE_MASTER_SELECT(master_select); } - intel_de_write(dev_priv, - TRANS_DDI_FUNC_CTL2(cpu_transcoder), ctl2); + intel_de_write(display, + TRANS_DDI_FUNC_CTL2(display, cpu_transcoder), + ctl2); } - ctl = intel_ddi_transcoder_func_reg_val_get(encoder, crtc_state); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) - ctl |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC; - intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl); + intel_de_write(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder), + intel_ddi_transcoder_func_reg_val_get(encoder, + crtc_state)); } /* * Same as intel_ddi_enable_transcoder_func(), but it does not set the enable - * bit. + * bit for the DDI function and enables the DP2 configuration. Called for all + * transcoder types. */ -static void +void intel_ddi_config_transcoder_func(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); + struct intel_display *display = to_intel_display(crtc_state); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; u32 ctl; + intel_ddi_config_transcoder_dp2(crtc_state, true); + ctl = intel_ddi_transcoder_func_reg_val_get(encoder, crtc_state); ctl &= ~TRANS_DDI_FUNC_ENABLE; - intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl); + intel_de_write(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder), + ctl); } +/* + * Disable the DDI function and port syncing. + * For SST, pre-TGL MST, TGL+ MST-slave transcoders: deselect the DDI port, + * SST/MST mode and disable the DP2 configuration. For TGL+ MST-master + * transcoders these are done later in intel_ddi_post_disable_dp(). + */ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state) { + struct intel_display *display = to_intel_display(crtc_state); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; u32 ctl; - if (INTEL_GEN(dev_priv) >= 11) - intel_de_write(dev_priv, - TRANS_DDI_FUNC_CTL2(cpu_transcoder), 0); + if (DISPLAY_VER(display) >= 11) + intel_de_write(display, + TRANS_DDI_FUNC_CTL2(display, cpu_transcoder), + 0); + + ctl = intel_de_read(display, + TRANS_DDI_FUNC_CTL(display, cpu_transcoder)); - ctl = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); + drm_WARN_ON(crtc->base.dev, ctl & TRANS_DDI_HDCP_SIGNALLING); ctl &= ~TRANS_DDI_FUNC_ENABLE; - if (IS_GEN_RANGE(dev_priv, 8, 10)) + if (IS_DISPLAY_VER(display, 8, 10)) ctl &= ~(TRANS_DDI_PORT_SYNC_ENABLE | TRANS_DDI_PORT_SYNC_MASTER_SELECT_MASK); - if (INTEL_GEN(dev_priv) >= 12) { + if (DISPLAY_VER(display) >= 12) { if (!intel_dp_mst_is_master_trans(crtc_state)) { ctl &= ~(TGL_TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK); @@ -1678,107 +707,93 @@ void intel_ddi_disable_transcoder_func(const struct intel_crtc_state *crtc_state ctl &= ~(TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK); } - intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl); + intel_de_write(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder), + ctl); - if (dev_priv->quirks & QUIRK_INCREASE_DDI_DISABLED_TIME && + if (intel_dp_mst_is_slave_trans(crtc_state)) + intel_ddi_config_transcoder_dp2(crtc_state, false); + + if (intel_has_quirk(display, QUIRK_INCREASE_DDI_DISABLED_TIME) && intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { - drm_dbg_kms(&dev_priv->drm, - "Quirk Increase DDI disabled time\n"); + drm_dbg_kms(display->drm, "Quirk Increase DDI disabled time\n"); /* Quirk time at 100ms for reliable operation */ msleep(100); } } -int intel_ddi_toggle_hdcp_signalling(struct intel_encoder *intel_encoder, - bool enable) +int intel_ddi_toggle_hdcp_bits(struct intel_encoder *intel_encoder, + enum transcoder cpu_transcoder, + bool enable, u32 hdcp_mask) { - struct drm_device *dev = intel_encoder->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_display *display = to_intel_display(intel_encoder); intel_wakeref_t wakeref; - enum pipe pipe = 0; int ret = 0; - u32 tmp; - wakeref = intel_display_power_get_if_enabled(dev_priv, + wakeref = intel_display_power_get_if_enabled(display, intel_encoder->power_domain); - if (drm_WARN_ON(dev, !wakeref)) + if (drm_WARN_ON(display->drm, !wakeref)) return -ENXIO; - if (drm_WARN_ON(dev, - !intel_encoder->get_hw_state(intel_encoder, &pipe))) { - ret = -EIO; - goto out; - } - - tmp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(pipe)); - if (enable) - tmp |= TRANS_DDI_HDCP_SIGNALLING; - else - tmp &= ~TRANS_DDI_HDCP_SIGNALLING; - intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(pipe), tmp); -out: - intel_display_power_put(dev_priv, intel_encoder->power_domain, wakeref); + intel_de_rmw(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder), + hdcp_mask, enable ? hdcp_mask : 0); + intel_display_power_put(display, intel_encoder->power_domain, wakeref); return ret; } bool intel_ddi_connector_get_hw_state(struct intel_connector *intel_connector) { - struct drm_device *dev = intel_connector->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_display *display = to_intel_display(intel_connector); struct intel_encoder *encoder = intel_attached_encoder(intel_connector); int type = intel_connector->base.connector_type; enum port port = encoder->port; enum transcoder cpu_transcoder; intel_wakeref_t wakeref; enum pipe pipe = 0; - u32 tmp; + u32 ddi_mode; bool ret; - wakeref = intel_display_power_get_if_enabled(dev_priv, + wakeref = intel_display_power_get_if_enabled(display, encoder->power_domain); if (!wakeref) return false; + /* Note: This returns false for DP MST primary encoders. */ if (!encoder->get_hw_state(encoder, &pipe)) { ret = false; goto out; } - if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A) + if (HAS_TRANSCODER(display, TRANSCODER_EDP) && port == PORT_A) cpu_transcoder = TRANSCODER_EDP; else cpu_transcoder = (enum transcoder) pipe; - tmp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); + ddi_mode = intel_de_read(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder)) & + TRANS_DDI_MODE_SELECT_MASK; - switch (tmp & TRANS_DDI_MODE_SELECT_MASK) { - case TRANS_DDI_MODE_SELECT_HDMI: - case TRANS_DDI_MODE_SELECT_DVI: + if (ddi_mode == TRANS_DDI_MODE_SELECT_HDMI || + ddi_mode == TRANS_DDI_MODE_SELECT_DVI) { ret = type == DRM_MODE_CONNECTOR_HDMIA; - break; - - case TRANS_DDI_MODE_SELECT_DP_SST: + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B && !HAS_DP20(display)) { + ret = type == DRM_MODE_CONNECTOR_VGA; + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_DP_SST) { ret = type == DRM_MODE_CONNECTOR_eDP || - type == DRM_MODE_CONNECTOR_DisplayPort; - break; - - case TRANS_DDI_MODE_SELECT_DP_MST: - /* if the transcoder is in MST state then - * connector isn't connected */ + type == DRM_MODE_CONNECTOR_DisplayPort; + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B && HAS_DP20(display)) { + /* + * encoder->get_hw_state() should have bailed out on MST. This + * must be SST and non-eDP. + */ + ret = type == DRM_MODE_CONNECTOR_DisplayPort; + } else if (drm_WARN_ON(display->drm, ddi_mode == TRANS_DDI_MODE_SELECT_DP_MST)) { + /* encoder->get_hw_state() should have bailed out on MST. */ ret = false; - break; - - case TRANS_DDI_MODE_SELECT_FDI: - ret = type == DRM_MODE_CONNECTOR_VGA; - break; - - default: + } else { ret = false; - break; } out: - intel_display_power_put(dev_priv, encoder->power_domain, wakeref); + intel_display_power_put(display, encoder->power_domain, wakeref); return ret; } @@ -1786,34 +801,33 @@ out: static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, u8 *pipe_mask, bool *is_dp_mst) { - struct drm_device *dev = encoder->base.dev; - struct drm_i915_private *dev_priv = to_i915(dev); + struct intel_display *display = to_intel_display(encoder); enum port port = encoder->port; intel_wakeref_t wakeref; enum pipe p; u32 tmp; - u8 mst_pipe_mask; + u8 mst_pipe_mask = 0, dp128b132b_pipe_mask = 0; *pipe_mask = 0; *is_dp_mst = false; - wakeref = intel_display_power_get_if_enabled(dev_priv, + wakeref = intel_display_power_get_if_enabled(display, encoder->power_domain); if (!wakeref) return; - tmp = intel_de_read(dev_priv, DDI_BUF_CTL(port)); + tmp = intel_de_read(display, DDI_BUF_CTL(port)); if (!(tmp & DDI_BUF_CTL_ENABLE)) goto out; - if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A) { - tmp = intel_de_read(dev_priv, - TRANS_DDI_FUNC_CTL(TRANSCODER_EDP)); + if (HAS_TRANSCODER(display, TRANSCODER_EDP) && port == PORT_A) { + tmp = intel_de_read(display, + TRANS_DDI_FUNC_CTL(display, TRANSCODER_EDP)); switch (tmp & TRANS_DDI_EDP_INPUT_MASK) { default: MISSING_CASE(tmp & TRANS_DDI_EDP_INPUT_MASK); - /* fallthrough */ + fallthrough; case TRANS_DDI_EDP_INPUT_A_ON: case TRANS_DDI_EDP_INPUT_A_ONOFF: *pipe_mask = BIT(PIPE_A); @@ -1829,18 +843,17 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, goto out; } - mst_pipe_mask = 0; - for_each_pipe(dev_priv, p) { + for_each_pipe(display, p) { enum transcoder cpu_transcoder = (enum transcoder)p; - unsigned int port_mask, ddi_select; + u32 port_mask, ddi_select, ddi_mode; intel_wakeref_t trans_wakeref; - trans_wakeref = intel_display_power_get_if_enabled(dev_priv, + trans_wakeref = intel_display_power_get_if_enabled(display, POWER_DOMAIN_TRANSCODER(cpu_transcoder)); if (!trans_wakeref) continue; - if (INTEL_GEN(dev_priv) >= 12) { + if (DISPLAY_VER(display) >= 12) { port_mask = TGL_TRANS_DDI_PORT_MASK; ddi_select = TGL_TRANS_DDI_SELECT_PORT(port); } else { @@ -1848,28 +861,49 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, ddi_select = TRANS_DDI_SELECT_PORT(port); } - tmp = intel_de_read(dev_priv, - TRANS_DDI_FUNC_CTL(cpu_transcoder)); - intel_display_power_put(dev_priv, POWER_DOMAIN_TRANSCODER(cpu_transcoder), + tmp = intel_de_read(display, + TRANS_DDI_FUNC_CTL(display, cpu_transcoder)); + intel_display_power_put(display, POWER_DOMAIN_TRANSCODER(cpu_transcoder), trans_wakeref); if ((tmp & port_mask) != ddi_select) continue; - if ((tmp & TRANS_DDI_MODE_SELECT_MASK) == - TRANS_DDI_MODE_SELECT_DP_MST) + ddi_mode = tmp & TRANS_DDI_MODE_SELECT_MASK; + + if (ddi_mode == TRANS_DDI_MODE_SELECT_DP_MST) mst_pipe_mask |= BIT(p); + else if (ddi_mode == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B && HAS_DP20(display)) + dp128b132b_pipe_mask |= BIT(p); *pipe_mask |= BIT(p); } if (!*pipe_mask) - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "No pipe for [ENCODER:%d:%s] found\n", encoder->base.base.id, encoder->base.name); + if (!mst_pipe_mask && dp128b132b_pipe_mask) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + /* + * If we don't have 8b/10b MST, but have more than one + * transcoder in 128b/132b mode, we know it must be 128b/132b + * MST. + * + * Otherwise, we fall back to checking the current MST + * state. It's not accurate for hardware takeover at probe, but + * we don't expect MST to have been enabled at that point, and + * can assume it's SST. + */ + if (hweight8(dp128b132b_pipe_mask) > 1 || + intel_dp_mst_active_streams(intel_dp)) + mst_pipe_mask = dp128b132b_pipe_mask; + } + if (!mst_pipe_mask && hweight8(*pipe_mask) > 1) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "Multiple pipes for [ENCODER:%d:%s] (pipe_mask %02x)\n", encoder->base.base.id, encoder->base.name, *pipe_mask); @@ -1877,25 +911,25 @@ static void intel_ddi_get_encoder_pipes(struct intel_encoder *encoder, } if (mst_pipe_mask && mst_pipe_mask != *pipe_mask) - drm_dbg_kms(&dev_priv->drm, - "Conflicting MST and non-MST state for [ENCODER:%d:%s] (pipe_mask %02x mst_pipe_mask %02x)\n", + drm_dbg_kms(display->drm, + "Conflicting MST and non-MST state for [ENCODER:%d:%s] (pipe masks: all %02x, MST %02x, 128b/132b %02x)\n", encoder->base.base.id, encoder->base.name, - *pipe_mask, mst_pipe_mask); + *pipe_mask, mst_pipe_mask, dp128b132b_pipe_mask); else *is_dp_mst = mst_pipe_mask; out: - if (*pipe_mask && IS_GEN9_LP(dev_priv)) { - tmp = intel_de_read(dev_priv, BXT_PHY_CTL(port)); + if (*pipe_mask && (display->platform.geminilake || display->platform.broxton)) { + tmp = intel_de_read(display, BXT_PHY_CTL(port)); if ((tmp & (BXT_PHY_CMNLANE_POWERDOWN_ACK | BXT_PHY_LANE_POWERDOWN_ACK | BXT_PHY_LANE_ENABLED)) != BXT_PHY_LANE_ENABLED) - drm_err(&dev_priv->drm, + drm_err(display->drm, "[ENCODER:%d:%s] enabled but PHY powered down? (PHY_CTL %08x)\n", encoder->base.base.id, encoder->base.name, tmp); } - intel_display_power_put(dev_priv, encoder->power_domain, wakeref); + intel_display_power_put(display, encoder->power_domain, wakeref); } bool intel_ddi_get_hw_state(struct intel_encoder *encoder, @@ -1915,230 +949,192 @@ bool intel_ddi_get_hw_state(struct intel_encoder *encoder, } static enum intel_display_power_domain -intel_ddi_main_link_aux_domain(struct intel_digital_port *dig_port) +intel_ddi_main_link_aux_domain(struct intel_digital_port *dig_port, + const struct intel_crtc_state *crtc_state) { - /* CNL+ HW requires corresponding AUX IOs to be powered up for PSR with + struct intel_display *display = to_intel_display(dig_port); + + /* + * ICL+ HW requires corresponding AUX IOs to be powered up for PSR with * DC states enabled at the same time, while for driver initiated AUX * transfers we need the same AUX IOs to be powered but with DC states - * disabled. Accordingly use the AUX power domain here which leaves DC - * states enabled. - * However, for non-A AUX ports the corresponding non-EDP transcoders - * would have already enabled power well 2 and DC_OFF. This means we can - * acquire a wider POWER_DOMAIN_AUX_{B,C,D,F} reference instead of a - * specific AUX_IO reference without powering up any extra wells. - * Note that PSR is enabled only on Port A even though this function - * returns the correct domain for other ports too. + * disabled. Accordingly use the AUX_IO_<port> power domain here which + * leaves DC states enabled. + * + * Before MTL TypeC PHYs (in all TypeC modes and both DP/HDMI) also require + * AUX IO to be enabled, but all these require DC_OFF to be enabled as + * well, so we can acquire a wider AUX_<port> power domain reference + * instead of a specific AUX_IO_<port> reference without powering up any + * extra wells. */ - return dig_port->aux_ch == AUX_CH_A ? POWER_DOMAIN_AUX_IO_A : - intel_aux_power_domain(dig_port); + if (intel_psr_needs_aux_io_power(&dig_port->base, crtc_state)) + return intel_display_power_aux_io_domain(display, dig_port->aux_ch); + else if (DISPLAY_VER(display) < 14 && + (intel_crtc_has_dp_encoder(crtc_state) || + intel_encoder_is_tc(&dig_port->base))) + return intel_aux_power_domain(dig_port); + else + return POWER_DOMAIN_INVALID; +} + +static void +main_link_aux_power_domain_get(struct intel_digital_port *dig_port, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(dig_port); + enum intel_display_power_domain domain = + intel_ddi_main_link_aux_domain(dig_port, crtc_state); + + drm_WARN_ON(display->drm, dig_port->aux_wakeref); + + if (domain == POWER_DOMAIN_INVALID) + return; + + dig_port->aux_wakeref = intel_display_power_get(display, domain); +} + +static void +main_link_aux_power_domain_put(struct intel_digital_port *dig_port, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(dig_port); + enum intel_display_power_domain domain = + intel_ddi_main_link_aux_domain(dig_port, crtc_state); + intel_wakeref_t wf; + + wf = fetch_and_zero(&dig_port->aux_wakeref); + if (!wf) + return; + + intel_display_power_put(display, domain, wf); } static void intel_ddi_get_power_domains(struct intel_encoder *encoder, struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_digital_port *dig_port; - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); /* * TODO: Add support for MST encoders. Atm, the following should never * happen since fake-MST encoders don't set their get_power_domains() * hook. */ - if (drm_WARN_ON(&dev_priv->drm, + if (drm_WARN_ON(display->drm, intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST))) return; dig_port = enc_to_dig_port(encoder); - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) - intel_display_power_get(dev_priv, - dig_port->ddi_io_power_domain); - - /* - * AUX power is only needed for (e)DP mode, and for HDMI mode on TC - * ports. - */ - if (intel_crtc_has_dp_encoder(crtc_state) || - intel_phy_is_tc(dev_priv, phy)) - intel_display_power_get(dev_priv, - intel_ddi_main_link_aux_domain(dig_port)); + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { + drm_WARN_ON(display->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(display, + dig_port->ddi_io_power_domain); + } - /* - * VDSC power is needed when DSC is enabled - */ - if (crtc_state->dsc.compression_enable) - intel_display_power_get(dev_priv, - intel_dsc_power_domain(crtc_state)); + main_link_aux_power_domain_get(dig_port, crtc_state); } -void intel_ddi_enable_pipe_clock(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +void intel_ddi_enable_transcoder_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - enum port port = encoder->port; + struct intel_display *display = to_intel_display(crtc_state); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + enum phy phy = intel_encoder_to_phy(encoder); + u32 val; - if (cpu_transcoder != TRANSCODER_EDP) { - if (INTEL_GEN(dev_priv) >= 12) - intel_de_write(dev_priv, - TRANS_CLK_SEL(cpu_transcoder), - TGL_TRANS_CLK_SEL_PORT(port)); - else - intel_de_write(dev_priv, - TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_PORT(port)); - } + if (cpu_transcoder == TRANSCODER_EDP) + return; + + if (DISPLAY_VER(display) >= 13) + val = TGL_TRANS_CLK_SEL_PORT(phy); + else if (DISPLAY_VER(display) >= 12) + val = TGL_TRANS_CLK_SEL_PORT(encoder->port); + else + val = TRANS_CLK_SEL_PORT(encoder->port); + + intel_de_write(display, TRANS_CLK_SEL(cpu_transcoder), val); } -void intel_ddi_disable_pipe_clock(const struct intel_crtc_state *crtc_state) +void intel_ddi_disable_transcoder_clock(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); + struct intel_display *display = to_intel_display(crtc_state); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + u32 val; - if (cpu_transcoder != TRANSCODER_EDP) { - if (INTEL_GEN(dev_priv) >= 12) - intel_de_write(dev_priv, - TRANS_CLK_SEL(cpu_transcoder), - TGL_TRANS_CLK_SEL_DISABLED); - else - intel_de_write(dev_priv, - TRANS_CLK_SEL(cpu_transcoder), - TRANS_CLK_SEL_DISABLED); - } + if (cpu_transcoder == TRANSCODER_EDP) + return; + + if (DISPLAY_VER(display) >= 12) + val = TGL_TRANS_CLK_SEL_DISABLED; + else + val = TRANS_CLK_SEL_DISABLED; + + intel_de_write(display, TRANS_CLK_SEL(cpu_transcoder), val); } -static void _skl_ddi_set_iboost(struct drm_i915_private *dev_priv, +static void _skl_ddi_set_iboost(struct intel_display *display, enum port port, u8 iboost) { u32 tmp; - tmp = intel_de_read(dev_priv, DISPIO_CR_TX_BMU_CR0); + tmp = intel_de_read(display, DISPIO_CR_TX_BMU_CR0); tmp &= ~(BALANCE_LEG_MASK(port) | BALANCE_LEG_DISABLE(port)); if (iboost) tmp |= iboost << BALANCE_LEG_SHIFT(port); else tmp |= BALANCE_LEG_DISABLE(port); - intel_de_write(dev_priv, DISPIO_CR_TX_BMU_CR0, tmp); + intel_de_write(display, DISPIO_CR_TX_BMU_CR0, tmp); } static void skl_ddi_set_iboost(struct intel_encoder *encoder, - int level, enum intel_output_type type) + const struct intel_crtc_state *crtc_state, + int level) { - struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; + struct intel_display *display = to_intel_display(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); u8 iboost; - if (type == INTEL_OUTPUT_HDMI) - iboost = intel_bios_hdmi_boost_level(encoder); + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + iboost = intel_bios_hdmi_boost_level(encoder->devdata); else - iboost = intel_bios_dp_boost_level(encoder); + iboost = intel_bios_dp_boost_level(encoder->devdata); if (iboost == 0) { - const struct ddi_buf_trans *ddi_translations; + const struct intel_ddi_buf_trans *trans; int n_entries; - if (type == INTEL_OUTPUT_HDMI) - ddi_translations = intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries); - else if (type == INTEL_OUTPUT_EDP) - ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, port, &n_entries); - else - ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries); - - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(display->drm, !trans)) return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; - iboost = ddi_translations[level].i_boost; + iboost = trans->entries[level].hsw.i_boost; } /* Make sure that the requested I_boost is valid */ if (iboost && iboost != 0x1 && iboost != 0x3 && iboost != 0x7) { - drm_err(&dev_priv->drm, "Invalid I_boost value %u\n", iboost); + drm_err(display->drm, "Invalid I_boost value %u\n", iboost); return; } - _skl_ddi_set_iboost(dev_priv, port, iboost); - - if (port == PORT_A && intel_dig_port->max_lanes == 4) - _skl_ddi_set_iboost(dev_priv, PORT_E, iboost); -} - -static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, - int level, enum intel_output_type type) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct bxt_ddi_buf_trans *ddi_translations; - enum port port = encoder->port; - int n_entries; - - if (type == INTEL_OUTPUT_HDMI) - ddi_translations = bxt_get_buf_trans_hdmi(dev_priv, &n_entries); - else if (type == INTEL_OUTPUT_EDP) - ddi_translations = bxt_get_buf_trans_edp(dev_priv, &n_entries); - else - ddi_translations = bxt_get_buf_trans_dp(dev_priv, &n_entries); - - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) - return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; + _skl_ddi_set_iboost(display, encoder->port, iboost); - bxt_ddi_phy_set_signal_level(dev_priv, port, - ddi_translations[level].margin, - ddi_translations[level].scale, - ddi_translations[level].enable, - ddi_translations[level].deemphasis); + if (encoder->port == PORT_A && dig_port->max_lanes == 4) + _skl_ddi_set_iboost(display, PORT_E, iboost); } -u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) +static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - enum port port = encoder->port; - enum phy phy = intel_port_to_phy(dev_priv, port); + struct intel_display *display = to_intel_display(intel_dp); + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; int n_entries; - if (INTEL_GEN(dev_priv) >= 12) { - if (intel_phy_is_combo(dev_priv, phy)) - tgl_get_combo_buf_trans(dev_priv, encoder->type, - intel_dp->link_rate, &n_entries); - else - n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans); - } else if (INTEL_GEN(dev_priv) == 11) { - if (IS_ELKHARTLAKE(dev_priv)) - ehl_get_combo_buf_trans(dev_priv, encoder->type, - intel_dp->link_rate, &n_entries); - else if (intel_phy_is_combo(dev_priv, phy)) - icl_get_combo_buf_trans(dev_priv, encoder->type, - intel_dp->link_rate, &n_entries); - else - icl_get_mg_buf_trans(dev_priv, encoder->type, - intel_dp->link_rate, &n_entries); - } else if (IS_CANNONLAKE(dev_priv)) { - if (encoder->type == INTEL_OUTPUT_EDP) - cnl_get_buf_trans_edp(dev_priv, &n_entries); - else - cnl_get_buf_trans_dp(dev_priv, &n_entries); - } else if (IS_GEN9_LP(dev_priv)) { - if (encoder->type == INTEL_OUTPUT_EDP) - bxt_get_buf_trans_edp(dev_priv, &n_entries); - else - bxt_get_buf_trans_dp(dev_priv, &n_entries); - } else { - if (encoder->type == INTEL_OUTPUT_EDP) - intel_ddi_get_buf_trans_edp(dev_priv, port, &n_entries); - else - intel_ddi_get_buf_trans_dp(dev_priv, port, &n_entries); - } + encoder->get_buf_trans(encoder, crtc_state, &n_entries); - if (drm_WARN_ON(&dev_priv->drm, n_entries < 1)) + if (drm_WARN_ON(display->drm, n_entries < 1)) n_entries = 1; - if (drm_WARN_ON(&dev_priv->drm, + if (drm_WARN_ON(display->drm, n_entries > ARRAY_SIZE(index_to_dp_signal_levels))) n_entries = ARRAY_SIZE(index_to_dp_signal_levels); @@ -2151,360 +1147,199 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) * used on all DDI platforms. Should that change we need to * rethink this code. */ -u8 intel_ddi_dp_pre_emphasis_max(struct intel_encoder *encoder, u8 voltage_swing) -{ - switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) { - case DP_TRAIN_VOLTAGE_SWING_LEVEL_0: - return DP_TRAIN_PRE_EMPH_LEVEL_3; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_1: - return DP_TRAIN_PRE_EMPH_LEVEL_2; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_2: - return DP_TRAIN_PRE_EMPH_LEVEL_1; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_3: - default: - return DP_TRAIN_PRE_EMPH_LEVEL_0; - } -} - -static void cnl_ddi_vswing_program(struct intel_encoder *encoder, - int level, enum intel_output_type type) +static u8 intel_ddi_dp_preemph_max(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - const struct cnl_ddi_buf_trans *ddi_translations; - enum port port = encoder->port; - int n_entries, ln; - u32 val; - - if (type == INTEL_OUTPUT_HDMI) - ddi_translations = cnl_get_buf_trans_hdmi(dev_priv, &n_entries); - else if (type == INTEL_OUTPUT_EDP) - ddi_translations = cnl_get_buf_trans_edp(dev_priv, &n_entries); - else - ddi_translations = cnl_get_buf_trans_dp(dev_priv, &n_entries); - - if (drm_WARN_ON_ONCE(&dev_priv->drm, !ddi_translations)) - return; - if (drm_WARN_ON_ONCE(&dev_priv->drm, level >= n_entries)) - level = n_entries - 1; - - /* Set PORT_TX_DW5 Scaling Mode Sel to 010b. */ - val = intel_de_read(dev_priv, CNL_PORT_TX_DW5_LN0(port)); - val &= ~SCALING_MODE_SEL_MASK; - val |= SCALING_MODE_SEL(2); - intel_de_write(dev_priv, CNL_PORT_TX_DW5_GRP(port), val); - - /* Program PORT_TX_DW2 */ - val = intel_de_read(dev_priv, CNL_PORT_TX_DW2_LN0(port)); - val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | - RCOMP_SCALAR_MASK); - val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel); - val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel); - /* Rcomp scalar is fixed as 0x98 for every table entry */ - val |= RCOMP_SCALAR(0x98); - intel_de_write(dev_priv, CNL_PORT_TX_DW2_GRP(port), val); - - /* Program PORT_TX_DW4 */ - /* We cannot write to GRP. It would overrite individual loadgen */ - for (ln = 0; ln < 4; ln++) { - val = intel_de_read(dev_priv, CNL_PORT_TX_DW4_LN(ln, port)); - val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | - CURSOR_COEFF_MASK); - val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1); - val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2); - val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff); - intel_de_write(dev_priv, CNL_PORT_TX_DW4_LN(ln, port), val); - } - - /* Program PORT_TX_DW5 */ - /* All DW5 values are fixed for every table entry */ - val = intel_de_read(dev_priv, CNL_PORT_TX_DW5_LN0(port)); - val &= ~RTERM_SELECT_MASK; - val |= RTERM_SELECT(6); - val |= TAP3_DISABLE; - intel_de_write(dev_priv, CNL_PORT_TX_DW5_GRP(port), val); - - /* Program PORT_TX_DW7 */ - val = intel_de_read(dev_priv, CNL_PORT_TX_DW7_LN0(port)); - val &= ~N_SCALAR_MASK; - val |= N_SCALAR(ddi_translations[level].dw7_n_scalar); - intel_de_write(dev_priv, CNL_PORT_TX_DW7_GRP(port), val); + return DP_TRAIN_PRE_EMPH_LEVEL_3; } -static void cnl_ddi_vswing_sequence(struct intel_encoder *encoder, - int level, enum intel_output_type type) +static u32 icl_combo_phy_loadgen_select(const struct intel_crtc_state *crtc_state, + int lane) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - int width, rate, ln; - u32 val; - - if (type == INTEL_OUTPUT_HDMI) { - width = 4; - rate = 0; /* Rate is always < than 6GHz for HDMI */ - } else { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - - width = intel_dp->lane_count; - rate = intel_dp->link_rate; - } + if (crtc_state->port_clock > 600000) + return 0; - /* - * 1. If port type is eDP or DP, - * set PORT_PCS_DW1 cmnkeeper_enable to 1b, - * else clear to 0b. - */ - val = intel_de_read(dev_priv, CNL_PORT_PCS_DW1_LN0(port)); - if (type != INTEL_OUTPUT_HDMI) - val |= COMMON_KEEPER_EN; + if (crtc_state->lane_count == 4) + return lane >= 1 ? LOADGEN_SELECT : 0; else - val &= ~COMMON_KEEPER_EN; - intel_de_write(dev_priv, CNL_PORT_PCS_DW1_GRP(port), val); - - /* 2. Program loadgen select */ - /* - * Program PORT_TX_DW4_LN depending on Bit rate and used lanes - * <= 6 GHz and 4 lanes (LN0=0, LN1=1, LN2=1, LN3=1) - * <= 6 GHz and 1,2 lanes (LN0=0, LN1=1, LN2=1, LN3=0) - * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0) - */ - for (ln = 0; ln <= 3; ln++) { - val = intel_de_read(dev_priv, CNL_PORT_TX_DW4_LN(ln, port)); - val &= ~LOADGEN_SELECT; - - if ((rate <= 600000 && width == 4 && ln >= 1) || - (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) { - val |= LOADGEN_SELECT; - } - intel_de_write(dev_priv, CNL_PORT_TX_DW4_LN(ln, port), val); - } - - /* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */ - val = intel_de_read(dev_priv, CNL_PORT_CL1CM_DW5); - val |= SUS_CLOCK_CONFIG; - intel_de_write(dev_priv, CNL_PORT_CL1CM_DW5, val); - - /* 4. Clear training enable to change swing values */ - val = intel_de_read(dev_priv, CNL_PORT_TX_DW5_LN0(port)); - val &= ~TX_TRAINING_EN; - intel_de_write(dev_priv, CNL_PORT_TX_DW5_GRP(port), val); - - /* 5. Program swing and de-emphasis */ - cnl_ddi_vswing_program(encoder, level, type); - - /* 6. Set training enable to trigger update */ - val = intel_de_read(dev_priv, CNL_PORT_TX_DW5_LN0(port)); - val |= TX_TRAINING_EN; - intel_de_write(dev_priv, CNL_PORT_TX_DW5_GRP(port), val); + return lane == 1 || lane == 2 ? LOADGEN_SELECT : 0; } -static void icl_ddi_combo_vswing_program(struct drm_i915_private *dev_priv, - u32 level, enum phy phy, int type, - int rate) +static void icl_ddi_combo_vswing_program(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - const struct cnl_ddi_buf_trans *ddi_translations = NULL; - u32 n_entries, val; - int ln; + struct intel_display *display = to_intel_display(encoder); + const struct intel_ddi_buf_trans *trans; + enum phy phy = intel_encoder_to_phy(encoder); + int n_entries, ln; + u32 val; - if (INTEL_GEN(dev_priv) >= 12) - ddi_translations = tgl_get_combo_buf_trans(dev_priv, type, rate, - &n_entries); - else if (IS_ELKHARTLAKE(dev_priv)) - ddi_translations = ehl_get_combo_buf_trans(dev_priv, type, rate, - &n_entries); - else - ddi_translations = icl_get_combo_buf_trans(dev_priv, type, rate, - &n_entries); - if (!ddi_translations) + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(display->drm, !trans)) return; - if (level >= n_entries) { - drm_dbg_kms(&dev_priv->drm, - "DDI translation not found for level %d. Using %d instead.", - level, n_entries - 1); - level = n_entries - 1; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP)) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + val = EDP4K2K_MODE_OVRD_EN | EDP4K2K_MODE_OVRD_OPTIMIZED; + intel_dp->hobl_active = is_hobl_buf_trans(trans); + intel_de_rmw(display, ICL_PORT_CL_DW10(phy), val, + intel_dp->hobl_active ? val : 0); } /* Set PORT_TX_DW5 */ - val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN0(phy)); + val = intel_de_read(display, ICL_PORT_TX_DW5_LN(0, phy)); val &= ~(SCALING_MODE_SEL_MASK | RTERM_SELECT_MASK | - TAP2_DISABLE | TAP3_DISABLE); + COEFF_POLARITY | CURSOR_PROGRAM | + TAP2_DISABLE | TAP3_DISABLE); val |= SCALING_MODE_SEL(0x2); val |= RTERM_SELECT(0x6); val |= TAP3_DISABLE; - intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); + intel_de_write(display, ICL_PORT_TX_DW5_GRP(phy), val); /* Program PORT_TX_DW2 */ - val = intel_de_read(dev_priv, ICL_PORT_TX_DW2_LN0(phy)); - val &= ~(SWING_SEL_LOWER_MASK | SWING_SEL_UPPER_MASK | - RCOMP_SCALAR_MASK); - val |= SWING_SEL_UPPER(ddi_translations[level].dw2_swing_sel); - val |= SWING_SEL_LOWER(ddi_translations[level].dw2_swing_sel); - /* Program Rcomp scalar for every table entry */ - val |= RCOMP_SCALAR(0x98); - intel_de_write(dev_priv, ICL_PORT_TX_DW2_GRP(phy), val); + for (ln = 0; ln < 4; ln++) { + int level = intel_ddi_level(encoder, crtc_state, ln); + + intel_de_rmw(display, ICL_PORT_TX_DW2_LN(ln, phy), + SWING_SEL_UPPER_MASK | SWING_SEL_LOWER_MASK | RCOMP_SCALAR_MASK, + SWING_SEL_UPPER(trans->entries[level].icl.dw2_swing_sel) | + SWING_SEL_LOWER(trans->entries[level].icl.dw2_swing_sel) | + RCOMP_SCALAR(0x98)); + } /* Program PORT_TX_DW4 */ /* We cannot write to GRP. It would overwrite individual loadgen. */ - for (ln = 0; ln <= 3; ln++) { - val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy)); - val &= ~(POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | - CURSOR_COEFF_MASK); - val |= POST_CURSOR_1(ddi_translations[level].dw4_post_cursor_1); - val |= POST_CURSOR_2(ddi_translations[level].dw4_post_cursor_2); - val |= CURSOR_COEFF(ddi_translations[level].dw4_cursor_coeff); - intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val); + for (ln = 0; ln < 4; ln++) { + int level = intel_ddi_level(encoder, crtc_state, ln); + + intel_de_rmw(display, ICL_PORT_TX_DW4_LN(ln, phy), + POST_CURSOR_1_MASK | POST_CURSOR_2_MASK | CURSOR_COEFF_MASK, + POST_CURSOR_1(trans->entries[level].icl.dw4_post_cursor_1) | + POST_CURSOR_2(trans->entries[level].icl.dw4_post_cursor_2) | + CURSOR_COEFF(trans->entries[level].icl.dw4_cursor_coeff)); } /* Program PORT_TX_DW7 */ - val = intel_de_read(dev_priv, ICL_PORT_TX_DW7_LN0(phy)); - val &= ~N_SCALAR_MASK; - val |= N_SCALAR(ddi_translations[level].dw7_n_scalar); - intel_de_write(dev_priv, ICL_PORT_TX_DW7_GRP(phy), val); + for (ln = 0; ln < 4; ln++) { + int level = intel_ddi_level(encoder, crtc_state, ln); + + intel_de_rmw(display, ICL_PORT_TX_DW7_LN(ln, phy), + N_SCALAR_MASK, + N_SCALAR(trans->entries[level].icl.dw7_n_scalar)); + } } -static void icl_combo_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - u32 level, - enum intel_output_type type) +static void icl_combo_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - int width = 0; - int rate = 0; + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); u32 val; - int ln = 0; - - if (type == INTEL_OUTPUT_HDMI) { - width = 4; - /* Rate is always < than 6GHz for HDMI */ - } else { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - - width = intel_dp->lane_count; - rate = intel_dp->link_rate; - } + int ln; /* * 1. If port type is eDP or DP, * set PORT_PCS_DW1 cmnkeeper_enable to 1b, * else clear to 0b. */ - val = intel_de_read(dev_priv, ICL_PORT_PCS_DW1_LN0(phy)); - if (type == INTEL_OUTPUT_HDMI) + val = intel_de_read(display, ICL_PORT_PCS_DW1_LN(0, phy)); + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) val &= ~COMMON_KEEPER_EN; else val |= COMMON_KEEPER_EN; - intel_de_write(dev_priv, ICL_PORT_PCS_DW1_GRP(phy), val); + intel_de_write(display, ICL_PORT_PCS_DW1_GRP(phy), val); /* 2. Program loadgen select */ /* - * Program PORT_TX_DW4_LN depending on Bit rate and used lanes + * Program PORT_TX_DW4 depending on Bit rate and used lanes * <= 6 GHz and 4 lanes (LN0=0, LN1=1, LN2=1, LN3=1) * <= 6 GHz and 1,2 lanes (LN0=0, LN1=1, LN2=1, LN3=0) * > 6 GHz (LN0=0, LN1=0, LN2=0, LN3=0) */ - for (ln = 0; ln <= 3; ln++) { - val = intel_de_read(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy)); - val &= ~LOADGEN_SELECT; - - if ((rate <= 600000 && width == 4 && ln >= 1) || - (rate <= 600000 && width < 4 && (ln == 1 || ln == 2))) { - val |= LOADGEN_SELECT; - } - intel_de_write(dev_priv, ICL_PORT_TX_DW4_LN(ln, phy), val); + for (ln = 0; ln < 4; ln++) { + intel_de_rmw(display, ICL_PORT_TX_DW4_LN(ln, phy), + LOADGEN_SELECT, + icl_combo_phy_loadgen_select(crtc_state, ln)); } /* 3. Set PORT_CL_DW5 SUS Clock Config to 11b */ - val = intel_de_read(dev_priv, ICL_PORT_CL_DW5(phy)); - val |= SUS_CLOCK_CONFIG; - intel_de_write(dev_priv, ICL_PORT_CL_DW5(phy), val); + intel_de_rmw(display, ICL_PORT_CL_DW5(phy), + 0, SUS_CLOCK_CONFIG); /* 4. Clear training enable to change swing values */ - val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN0(phy)); + val = intel_de_read(display, ICL_PORT_TX_DW5_LN(0, phy)); val &= ~TX_TRAINING_EN; - intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); + intel_de_write(display, ICL_PORT_TX_DW5_GRP(phy), val); /* 5. Program swing and de-emphasis */ - icl_ddi_combo_vswing_program(dev_priv, level, phy, type, rate); + icl_ddi_combo_vswing_program(encoder, crtc_state); /* 6. Set training enable to trigger update */ - val = intel_de_read(dev_priv, ICL_PORT_TX_DW5_LN0(phy)); + val = intel_de_read(display, ICL_PORT_TX_DW5_LN(0, phy)); val |= TX_TRAINING_EN; - intel_de_write(dev_priv, ICL_PORT_TX_DW5_GRP(phy), val); + intel_de_write(display, ICL_PORT_TX_DW5_GRP(phy), val); } -static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, - int link_clock, u32 level, - enum intel_output_type type) +static void icl_mg_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); - const struct icl_mg_phy_ddi_buf_trans *ddi_translations; - u32 n_entries, val; - int ln, rate = 0; - - if (type != INTEL_OUTPUT_HDMI) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_display *display = to_intel_display(encoder); + enum tc_port tc_port = intel_encoder_to_tc(encoder); + const struct intel_ddi_buf_trans *trans; + int n_entries, ln; - rate = intel_dp->link_rate; - } + if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder))) + return; - ddi_translations = icl_get_mg_buf_trans(dev_priv, type, rate, - &n_entries); - /* The table does not have values for level 3 and level 9. */ - if (level >= n_entries || level == 3 || level == 9) { - drm_dbg_kms(&dev_priv->drm, - "DDI translation not found for level %d. Using %d instead.", - level, n_entries - 2); - level = n_entries - 2; - } + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(display->drm, !trans)) + return; - /* Set MG_TX_LINK_PARAMS cri_use_fs32 to 0. */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port)); - val &= ~CRI_USE_FS32; - intel_de_write(dev_priv, MG_TX1_LINK_PARAMS(ln, tc_port), val); - - val = intel_de_read(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port)); - val &= ~CRI_USE_FS32; - intel_de_write(dev_priv, MG_TX2_LINK_PARAMS(ln, tc_port), val); + intel_de_rmw(display, MG_TX1_LINK_PARAMS(ln, tc_port), + CRI_USE_FS32, 0); + intel_de_rmw(display, MG_TX2_LINK_PARAMS(ln, tc_port), + CRI_USE_FS32, 0); } /* Program MG_TX_SWINGCTRL with values from vswing table */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port)); - val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; - val |= CRI_TXDEEMPH_OVERRIDE_17_12( - ddi_translations[level].cri_txdeemph_override_17_12); - intel_de_write(dev_priv, MG_TX1_SWINGCTRL(ln, tc_port), val); - - val = intel_de_read(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port)); - val &= ~CRI_TXDEEMPH_OVERRIDE_17_12_MASK; - val |= CRI_TXDEEMPH_OVERRIDE_17_12( - ddi_translations[level].cri_txdeemph_override_17_12); - intel_de_write(dev_priv, MG_TX2_SWINGCTRL(ln, tc_port), val); + int level; + + level = intel_ddi_level(encoder, crtc_state, 2*ln+0); + + intel_de_rmw(display, MG_TX1_SWINGCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_17_12_MASK, + CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12)); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+1); + + intel_de_rmw(display, MG_TX2_SWINGCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_17_12_MASK, + CRI_TXDEEMPH_OVERRIDE_17_12(trans->entries[level].mg.cri_txdeemph_override_17_12)); } /* Program MG_TX_DRVCTRL with values from vswing table */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_TX1_DRVCTRL(ln, tc_port)); - val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | - CRI_TXDEEMPH_OVERRIDE_5_0_MASK); - val |= CRI_TXDEEMPH_OVERRIDE_5_0( - ddi_translations[level].cri_txdeemph_override_5_0) | - CRI_TXDEEMPH_OVERRIDE_11_6( - ddi_translations[level].cri_txdeemph_override_11_6) | - CRI_TXDEEMPH_OVERRIDE_EN; - intel_de_write(dev_priv, MG_TX1_DRVCTRL(ln, tc_port), val); - - val = intel_de_read(dev_priv, MG_TX2_DRVCTRL(ln, tc_port)); - val &= ~(CRI_TXDEEMPH_OVERRIDE_11_6_MASK | - CRI_TXDEEMPH_OVERRIDE_5_0_MASK); - val |= CRI_TXDEEMPH_OVERRIDE_5_0( - ddi_translations[level].cri_txdeemph_override_5_0) | - CRI_TXDEEMPH_OVERRIDE_11_6( - ddi_translations[level].cri_txdeemph_override_11_6) | - CRI_TXDEEMPH_OVERRIDE_EN; - intel_de_write(dev_priv, MG_TX2_DRVCTRL(ln, tc_port), val); + int level; + + level = intel_ddi_level(encoder, crtc_state, 2*ln+0); + + intel_de_rmw(display, MG_TX1_DRVCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_11_6_MASK | + CRI_TXDEEMPH_OVERRIDE_5_0_MASK, + CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) | + CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) | + CRI_TXDEEMPH_OVERRIDE_EN); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+1); + + intel_de_rmw(display, MG_TX2_DRVCTRL(ln, tc_port), + CRI_TXDEEMPH_OVERRIDE_11_6_MASK | + CRI_TXDEEMPH_OVERRIDE_5_0_MASK, + CRI_TXDEEMPH_OVERRIDE_11_6(trans->entries[level].mg.cri_txdeemph_override_11_6) | + CRI_TXDEEMPH_OVERRIDE_5_0(trans->entries[level].mg.cri_txdeemph_override_5_0) | + CRI_TXDEEMPH_OVERRIDE_EN); /* FIXME: Program CRI_LOADGEN_SEL after the spec is updated */ } @@ -2515,320 +1350,754 @@ static void icl_mg_phy_ddi_vswing_sequence(struct intel_encoder *encoder, * values from table for which TX1 and TX2 enabled. */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_CLKHUB(ln, tc_port)); - if (link_clock < 300000) - val |= CFG_LOW_RATE_LKREN_EN; - else - val &= ~CFG_LOW_RATE_LKREN_EN; - intel_de_write(dev_priv, MG_CLKHUB(ln, tc_port), val); + intel_de_rmw(display, MG_CLKHUB(ln, tc_port), + CFG_LOW_RATE_LKREN_EN, + crtc_state->port_clock < 300000 ? CFG_LOW_RATE_LKREN_EN : 0); } /* Program the MG_TX_DCC<LN, port being used> based on the link frequency */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, MG_TX1_DCC(ln, tc_port)); - val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; - if (link_clock <= 500000) { - val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; - } else { - val |= CFG_AMI_CK_DIV_OVERRIDE_EN | - CFG_AMI_CK_DIV_OVERRIDE_VAL(1); - } - intel_de_write(dev_priv, MG_TX1_DCC(ln, tc_port), val); - - val = intel_de_read(dev_priv, MG_TX2_DCC(ln, tc_port)); - val &= ~CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK; - if (link_clock <= 500000) { - val &= ~CFG_AMI_CK_DIV_OVERRIDE_EN; - } else { - val |= CFG_AMI_CK_DIV_OVERRIDE_EN | - CFG_AMI_CK_DIV_OVERRIDE_VAL(1); - } - intel_de_write(dev_priv, MG_TX2_DCC(ln, tc_port), val); + intel_de_rmw(display, MG_TX1_DCC(ln, tc_port), + CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK | + CFG_AMI_CK_DIV_OVERRIDE_EN, + crtc_state->port_clock > 500000 ? + CFG_AMI_CK_DIV_OVERRIDE_VAL(1) | + CFG_AMI_CK_DIV_OVERRIDE_EN : 0); + + intel_de_rmw(display, MG_TX2_DCC(ln, tc_port), + CFG_AMI_CK_DIV_OVERRIDE_VAL_MASK | + CFG_AMI_CK_DIV_OVERRIDE_EN, + crtc_state->port_clock > 500000 ? + CFG_AMI_CK_DIV_OVERRIDE_VAL(1) | + CFG_AMI_CK_DIV_OVERRIDE_EN : 0); } /* Program MG_TX_PISO_READLOAD with values from vswing table */ for (ln = 0; ln < 2; ln++) { - val = intel_de_read(dev_priv, - MG_TX1_PISO_READLOAD(ln, tc_port)); - val |= CRI_CALCINIT; - intel_de_write(dev_priv, MG_TX1_PISO_READLOAD(ln, tc_port), - val); - - val = intel_de_read(dev_priv, - MG_TX2_PISO_READLOAD(ln, tc_port)); - val |= CRI_CALCINIT; - intel_de_write(dev_priv, MG_TX2_PISO_READLOAD(ln, tc_port), - val); + intel_de_rmw(display, MG_TX1_PISO_READLOAD(ln, tc_port), + 0, CRI_CALCINIT); + intel_de_rmw(display, MG_TX2_PISO_READLOAD(ln, tc_port), + 0, CRI_CALCINIT); } } -static void icl_ddi_vswing_sequence(struct intel_encoder *encoder, - int link_clock, - u32 level, - enum intel_output_type type) +static void tgl_dkl_phy_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + struct intel_display *display = to_intel_display(encoder); + enum tc_port tc_port = intel_encoder_to_tc(encoder); + const struct intel_ddi_buf_trans *trans; + int n_entries, ln; - if (intel_phy_is_combo(dev_priv, phy)) - icl_combo_phy_ddi_vswing_sequence(encoder, level, type); - else - icl_mg_phy_ddi_vswing_sequence(encoder, link_clock, level, - type); + if (intel_tc_port_in_tbt_alt_mode(enc_to_dig_port(encoder))) + return; + + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(display->drm, !trans)) + return; + + for (ln = 0; ln < 2; ln++) { + int level; + + /* Wa_16011342517:adl-p */ + if (display->platform.alderlake_p && + IS_DISPLAY_STEP(display, STEP_A0, STEP_D0)) { + if ((intel_encoder_is_hdmi(encoder) && + crtc_state->port_clock == 594000) || + (intel_encoder_is_dp(encoder) && + crtc_state->port_clock == 162000)) { + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL2(tc_port, ln), + LOADGEN_SHARING_PMD_DISABLE, 1); + } else { + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL2(tc_port, ln), + LOADGEN_SHARING_PMD_DISABLE, 0); + } + } + + intel_dkl_phy_write(display, DKL_TX_PMD_LANE_SUS(tc_port, ln), 0); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+0); + + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL0(tc_port, ln), + DKL_TX_PRESHOOT_COEFF_MASK | + DKL_TX_DE_EMPAHSIS_COEFF_MASK | + DKL_TX_VSWING_CONTROL_MASK, + DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.preshoot) | + DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.de_emphasis) | + DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.vswing)); + + level = intel_ddi_level(encoder, crtc_state, 2*ln+1); + + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL1(tc_port, ln), + DKL_TX_PRESHOOT_COEFF_MASK | + DKL_TX_DE_EMPAHSIS_COEFF_MASK | + DKL_TX_VSWING_CONTROL_MASK, + DKL_TX_PRESHOOT_COEFF(trans->entries[level].dkl.preshoot) | + DKL_TX_DE_EMPHASIS_COEFF(trans->entries[level].dkl.de_emphasis) | + DKL_TX_VSWING_CONTROL(trans->entries[level].dkl.vswing)); + + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL2(tc_port, ln), + DKL_TX_DP20BITMODE, 0); + + if (display->platform.alderlake_p) { + u32 val; + + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { + if (ln == 0) { + val = DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1(0); + val |= DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2(2); + } else { + val = DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1(3); + val |= DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2(3); + } + } else { + val = DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1(0); + val |= DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2(0); + } + + intel_dkl_phy_rmw(display, DKL_TX_DPCNTL2(tc_port, ln), + DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX1_MASK | + DKL_TX_DPCNTL2_CFG_LOADGENSELECT_TX2_MASK, + val); + } + } } -static void -tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, int link_clock, - u32 level) +static int translate_signal_level(struct intel_dp *intel_dp, + u8 signal_levels) +{ + struct intel_display *display = to_intel_display(intel_dp); + const u8 *signal_array; + size_t array_size; + int i; + + signal_array = index_to_dp_signal_levels; + array_size = ARRAY_SIZE(index_to_dp_signal_levels); + + for (i = 0; i < array_size; i++) { + if (signal_array[i] == signal_levels) + return i; + } + + drm_WARN(display->drm, 1, + "Unsupported voltage swing/pre-emphasis level: 0x%x\n", + signal_levels); + + return 0; +} + +static int intel_ddi_dp_level(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + int lane) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); - const struct tgl_dkl_phy_ddi_buf_trans *ddi_translations; - u32 n_entries, val, ln, dpcnt_mask, dpcnt_val; + u8 train_set = intel_dp->train_set[lane]; - if (encoder->type == INTEL_OUTPUT_HDMI) { - n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans); - ddi_translations = tgl_dkl_phy_hdmi_ddi_trans; + if (intel_dp_is_uhbr(crtc_state)) { + return train_set & DP_TX_FFE_PRESET_VALUE_MASK; } else { - n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans); - ddi_translations = tgl_dkl_phy_dp_ddi_trans; + u8 signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK | + DP_TRAIN_PRE_EMPHASIS_MASK); + + return translate_signal_level(intel_dp, signal_levels); } +} + +int intel_ddi_level(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + int lane) +{ + struct intel_display *display = to_intel_display(encoder); + const struct intel_ddi_buf_trans *trans; + int level, n_entries; + + trans = encoder->get_buf_trans(encoder, crtc_state, &n_entries); + if (drm_WARN_ON_ONCE(display->drm, !trans)) + return 0; + + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + level = intel_ddi_hdmi_level(encoder, trans); + else + level = intel_ddi_dp_level(enc_to_intel_dp(encoder), crtc_state, + lane); - if (level >= n_entries) + if (drm_WARN_ON_ONCE(display->drm, level >= n_entries)) level = n_entries - 1; - dpcnt_mask = (DKL_TX_PRESHOOT_COEFF_MASK | - DKL_TX_DE_EMPAHSIS_COEFF_MASK | - DKL_TX_VSWING_CONTROL_MASK); - dpcnt_val = DKL_TX_VSWING_CONTROL(ddi_translations[level].dkl_vswing_control); - dpcnt_val |= DKL_TX_DE_EMPHASIS_COEFF(ddi_translations[level].dkl_de_emphasis_control); - dpcnt_val |= DKL_TX_PRESHOOT_COEFF(ddi_translations[level].dkl_preshoot_control); + return level; +} - for (ln = 0; ln < 2; ln++) { - intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), - HIP_INDEX_VAL(tc_port, ln)); +static void +hsw_set_signal_levels(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + int level = intel_ddi_level(encoder, crtc_state, 0); + enum port port = encoder->port; + u32 signal_levels; + + if (has_iboost(display)) + skl_ddi_set_iboost(encoder, crtc_state, level); - intel_de_write(dev_priv, DKL_TX_PMD_LANE_SUS(tc_port), 0); + /* HDMI ignores the rest */ + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + return; - /* All the registers are RMW */ - val = intel_de_read(dev_priv, DKL_TX_DPCNTL0(tc_port)); - val &= ~dpcnt_mask; - val |= dpcnt_val; - intel_de_write(dev_priv, DKL_TX_DPCNTL0(tc_port), val); + signal_levels = DDI_BUF_TRANS_SELECT(level); - val = intel_de_read(dev_priv, DKL_TX_DPCNTL1(tc_port)); - val &= ~dpcnt_mask; - val |= dpcnt_val; - intel_de_write(dev_priv, DKL_TX_DPCNTL1(tc_port), val); + drm_dbg_kms(display->drm, "Using signal levels %08x\n", + signal_levels); - val = intel_de_read(dev_priv, DKL_TX_DPCNTL2(tc_port)); - val &= ~DKL_TX_DP20BITMODE; - intel_de_write(dev_priv, DKL_TX_DPCNTL2(tc_port), val); - } + intel_dp->DP &= ~DDI_BUF_EMP_MASK; + intel_dp->DP |= signal_levels; + + intel_de_write(display, DDI_BUF_CTL(port), intel_dp->DP); + intel_de_posting_read(display, DDI_BUF_CTL(port)); } -static void tgl_ddi_vswing_sequence(struct intel_encoder *encoder, - int link_clock, - u32 level, - enum intel_output_type type) +static void _icl_ddi_enable_clock(struct intel_display *display, i915_reg_t reg, + u32 clk_sel_mask, u32 clk_sel, u32 clk_off) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + mutex_lock(&display->dpll.lock); - if (intel_phy_is_combo(dev_priv, phy)) - icl_combo_phy_ddi_vswing_sequence(encoder, level, type); - else - tgl_dkl_phy_ddi_vswing_sequence(encoder, link_clock, level); + intel_de_rmw(display, reg, clk_sel_mask, clk_sel); + + /* + * "This step and the step before must be + * done with separate register writes." + */ + intel_de_rmw(display, reg, clk_off, 0); + + mutex_unlock(&display->dpll.lock); } -static u32 translate_signal_level(struct intel_dp *intel_dp, int signal_levels) +static void _icl_ddi_disable_clock(struct intel_display *display, i915_reg_t reg, + u32 clk_off) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - int i; + mutex_lock(&display->dpll.lock); - for (i = 0; i < ARRAY_SIZE(index_to_dp_signal_levels); i++) { - if (index_to_dp_signal_levels[i] == signal_levels) - return i; - } + intel_de_rmw(display, reg, 0, clk_off); - drm_WARN(&i915->drm, 1, - "Unsupported voltage swing/pre-emphasis level: 0x%x\n", - signal_levels); + mutex_unlock(&display->dpll.lock); +} - return 0; +static bool _icl_ddi_is_clock_enabled(struct intel_display *display, i915_reg_t reg, + u32 clk_off) +{ + return !(intel_de_read(display, reg) & clk_off); } -static u32 intel_ddi_dp_level(struct intel_dp *intel_dp) +static struct intel_dpll * +_icl_ddi_get_pll(struct intel_display *display, i915_reg_t reg, + u32 clk_sel_mask, u32 clk_sel_shift) { - u8 train_set = intel_dp->train_set[0]; - int signal_levels = train_set & (DP_TRAIN_VOLTAGE_SWING_MASK | - DP_TRAIN_PRE_EMPHASIS_MASK); + enum intel_dpll_id id; + + id = (intel_de_read(display, reg) & clk_sel_mask) >> clk_sel_shift; - return translate_signal_level(intel_dp, signal_levels); + return intel_get_dpll_by_id(display, id); } -static void -tgl_set_signal_levels(struct intel_dp *intel_dp) +static void adls_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum phy phy = intel_encoder_to_phy(encoder); + + if (drm_WARN_ON(display->drm, !pll)) + return; - tgl_ddi_vswing_sequence(encoder, intel_dp->link_rate, - level, encoder->type); + _icl_ddi_enable_clock(display, ADLS_DPCLKA_CFGCR(phy), + ADLS_DPCLKA_CFGCR_DDI_CLK_SEL_MASK(phy), + pll->info->id << ADLS_DPCLKA_CFGCR_DDI_SHIFT(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); } -static void -icl_set_signal_levels(struct intel_dp *intel_dp) +static void adls_ddi_disable_clock(struct intel_encoder *encoder) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); - icl_ddi_vswing_sequence(encoder, intel_dp->link_rate, - level, encoder->type); + _icl_ddi_disable_clock(display, ADLS_DPCLKA_CFGCR(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); } -static void -cnl_set_signal_levels(struct intel_dp *intel_dp) +static bool adls_ddi_is_clock_enabled(struct intel_encoder *encoder) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); - cnl_ddi_vswing_sequence(encoder, level, encoder->type); + return _icl_ddi_is_clock_enabled(display, ADLS_DPCLKA_CFGCR(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); } -static void -bxt_set_signal_levels(struct intel_dp *intel_dp) +static struct intel_dpll *adls_ddi_get_pll(struct intel_encoder *encoder) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - int level = intel_ddi_dp_level(intel_dp); + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); - bxt_ddi_vswing_sequence(encoder, level, encoder->type); + return _icl_ddi_get_pll(display, ADLS_DPCLKA_CFGCR(phy), + ADLS_DPCLKA_CFGCR_DDI_CLK_SEL_MASK(phy), + ADLS_DPCLKA_CFGCR_DDI_SHIFT(phy)); } -static void -hsw_set_signal_levels(struct intel_dp *intel_dp) +static void rkl_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - int level = intel_ddi_dp_level(intel_dp); - enum port port = encoder->port; - u32 signal_levels; + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum phy phy = intel_encoder_to_phy(encoder); - signal_levels = DDI_BUF_TRANS_SELECT(level); + if (drm_WARN_ON(display->drm, !pll)) + return; - drm_dbg_kms(&dev_priv->drm, "Using signal levels %08x\n", - signal_levels); + _icl_ddi_enable_clock(display, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy), + RKL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} - intel_dp->DP &= ~DDI_BUF_EMP_MASK; - intel_dp->DP |= signal_levels; +static void rkl_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); - if (IS_GEN9_BC(dev_priv)) - skl_ddi_set_iboost(encoder, level, encoder->type); + _icl_ddi_disable_clock(display, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} - intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP); - intel_de_posting_read(dev_priv, DDI_BUF_CTL(port)); +static bool rkl_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); + + return _icl_ddi_is_clock_enabled(display, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); } -static u32 icl_dpclka_cfgcr0_clk_off(struct drm_i915_private *dev_priv, - enum phy phy) +static struct intel_dpll *rkl_ddi_get_pll(struct intel_encoder *encoder) { - if (intel_phy_is_combo(dev_priv, phy)) { - return ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy); - } else if (intel_phy_is_tc(dev_priv, phy)) { - enum tc_port tc_port = intel_port_to_tc(dev_priv, - (enum port)phy); + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); - return ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port); - } + return _icl_ddi_get_pll(display, ICL_DPCLKA_CFGCR0, + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + RKL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy)); +} - return 0; +static void dg1_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum phy phy = intel_encoder_to_phy(encoder); + + if (drm_WARN_ON(display->drm, !pll)) + return; + + /* + * If we fail this, something went very wrong: first 2 PLLs should be + * used by first 2 phys and last 2 PLLs by last phys + */ + if (drm_WARN_ON(display->drm, + (pll->info->id < DPLL_ID_DG1_DPLL2 && phy >= PHY_C) || + (pll->info->id >= DPLL_ID_DG1_DPLL2 && phy < PHY_C))) + return; + + _icl_ddi_enable_clock(display, DG1_DPCLKA_CFGCR0(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); } -static void icl_map_plls_to_ports(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +static void dg1_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); + + _icl_ddi_disable_clock(display, DG1_DPCLKA_CFGCR0(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static bool dg1_ddi_is_clock_enabled(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_shared_dpll *pll = crtc_state->shared_dpll; - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); + + return _icl_ddi_is_clock_enabled(display, DG1_DPCLKA_CFGCR0(phy), + DG1_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static struct intel_dpll *dg1_ddi_get_pll(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); + enum intel_dpll_id id; u32 val; - mutex_lock(&dev_priv->dpll.lock); + val = intel_de_read(display, DG1_DPCLKA_CFGCR0(phy)); + val &= DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy); + val >>= DG1_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy); + id = val; - val = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); - drm_WARN_ON(&dev_priv->drm, - (val & icl_dpclka_cfgcr0_clk_off(dev_priv, phy)) == 0); + /* + * _DG1_DPCLKA0_CFGCR0 maps between DPLL 0 and 1 with one bit for phy A + * and B while _DG1_DPCLKA1_CFGCR0 maps between DPLL 2 and 3 with one + * bit for phy C and D. + */ + if (phy >= PHY_C) + id += DPLL_ID_DG1_DPLL2; - if (intel_phy_is_combo(dev_priv, phy)) { - /* - * Even though this register references DDIs, note that we - * want to pass the PHY rather than the port (DDI). For - * ICL, port=phy in all cases so it doesn't matter, but for - * EHL the bspec notes the following: - * - * "DDID clock tied to DDIA clock, so DPCLKA_CFGCR0 DDIA - * Clock Select chooses the PLL for both DDIA and DDID and - * drives port A in all cases." - */ - val &= ~ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy); - val |= ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy); - intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, val); - intel_de_posting_read(dev_priv, ICL_DPCLKA_CFGCR0); + return intel_get_dpll_by_id(display, id); +} + +static void icl_ddi_combo_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum phy phy = intel_encoder_to_phy(encoder); + + if (drm_WARN_ON(display->drm, !pll)) + return; + + _icl_ddi_enable_clock(display, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static void icl_ddi_combo_disable_clock(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); + + _icl_ddi_disable_clock(display, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +static bool icl_ddi_combo_is_clock_enabled(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); + + return _icl_ddi_is_clock_enabled(display, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_OFF(phy)); +} + +struct intel_dpll *icl_ddi_combo_get_pll(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum phy phy = intel_encoder_to_phy(encoder); + + return _icl_ddi_get_pll(display, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(phy), + ICL_DPCLKA_CFGCR0_DDI_CLK_SEL_SHIFT(phy)); +} + +static void jsl_ddi_tc_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum port port = encoder->port; + + if (drm_WARN_ON(display->drm, !pll)) + return; + + /* + * "For DDIC and DDID, program DDI_CLK_SEL to map the MG clock to the port. + * MG does not exist, but the programming is required to ungate DDIC and DDID." + */ + intel_de_write(display, DDI_CLK_SEL(port), DDI_CLK_SEL_MG); + + icl_ddi_combo_enable_clock(encoder, crtc_state); +} + +static void jsl_ddi_tc_disable_clock(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + + icl_ddi_combo_disable_clock(encoder); + + intel_de_write(display, DDI_CLK_SEL(port), DDI_CLK_SEL_NONE); +} + +static bool jsl_ddi_tc_is_clock_enabled(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + u32 tmp; + + tmp = intel_de_read(display, DDI_CLK_SEL(port)); + + if ((tmp & DDI_CLK_SEL_MASK) == DDI_CLK_SEL_NONE) + return false; + + return icl_ddi_combo_is_clock_enabled(encoder); +} + +static void icl_ddi_tc_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum tc_port tc_port = intel_encoder_to_tc(encoder); + enum port port = encoder->port; + + if (drm_WARN_ON(display->drm, !pll)) + return; + + intel_de_write(display, DDI_CLK_SEL(port), + icl_pll_to_ddi_clk_sel(encoder, crtc_state)); + + mutex_lock(&display->dpll.lock); + + intel_de_rmw(display, ICL_DPCLKA_CFGCR0, + ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port), 0); + + mutex_unlock(&display->dpll.lock); +} + +static void icl_ddi_tc_disable_clock(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum tc_port tc_port = intel_encoder_to_tc(encoder); + enum port port = encoder->port; + + mutex_lock(&display->dpll.lock); + + intel_de_rmw(display, ICL_DPCLKA_CFGCR0, + 0, ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port)); + + mutex_unlock(&display->dpll.lock); + + intel_de_write(display, DDI_CLK_SEL(port), DDI_CLK_SEL_NONE); +} + +static bool icl_ddi_tc_is_clock_enabled(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum tc_port tc_port = intel_encoder_to_tc(encoder); + enum port port = encoder->port; + u32 tmp; + + tmp = intel_de_read(display, DDI_CLK_SEL(port)); + + if ((tmp & DDI_CLK_SEL_MASK) == DDI_CLK_SEL_NONE) + return false; + + tmp = intel_de_read(display, ICL_DPCLKA_CFGCR0); + + return !(tmp & ICL_DPCLKA_CFGCR0_TC_CLK_OFF(tc_port)); +} + +static struct intel_dpll *icl_ddi_tc_get_pll(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum tc_port tc_port = intel_encoder_to_tc(encoder); + enum port port = encoder->port; + enum intel_dpll_id id; + u32 tmp; + + tmp = intel_de_read(display, DDI_CLK_SEL(port)); + + switch (tmp & DDI_CLK_SEL_MASK) { + case DDI_CLK_SEL_TBT_162: + case DDI_CLK_SEL_TBT_270: + case DDI_CLK_SEL_TBT_540: + case DDI_CLK_SEL_TBT_810: + id = DPLL_ID_ICL_TBTPLL; + break; + case DDI_CLK_SEL_MG: + id = icl_tc_port_to_pll_id(tc_port); + break; + default: + MISSING_CASE(tmp); + fallthrough; + case DDI_CLK_SEL_NONE: + return NULL; } - val &= ~icl_dpclka_cfgcr0_clk_off(dev_priv, phy); - intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, val); + return intel_get_dpll_by_id(display, id); +} + +static struct intel_dpll *bxt_ddi_get_pll(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder->base.dev); + enum intel_dpll_id id; + + switch (encoder->port) { + case PORT_A: + id = DPLL_ID_SKL_DPLL0; + break; + case PORT_B: + id = DPLL_ID_SKL_DPLL1; + break; + case PORT_C: + id = DPLL_ID_SKL_DPLL2; + break; + default: + MISSING_CASE(encoder->port); + return NULL; + } - mutex_unlock(&dev_priv->dpll.lock); + return intel_get_dpll_by_id(display, id); } -static void icl_unmap_plls_to_ports(struct intel_encoder *encoder) +static void skl_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - u32 val; + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum port port = encoder->port; + + if (drm_WARN_ON(display->drm, !pll)) + return; - mutex_lock(&dev_priv->dpll.lock); + mutex_lock(&display->dpll.lock); - val = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy); - intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, val); + intel_de_rmw(display, DPLL_CTRL2, + DPLL_CTRL2_DDI_CLK_OFF(port) | + DPLL_CTRL2_DDI_CLK_SEL_MASK(port), + DPLL_CTRL2_DDI_CLK_SEL(pll->info->id, port) | + DPLL_CTRL2_DDI_SEL_OVERRIDE(port)); - mutex_unlock(&dev_priv->dpll.lock); + mutex_unlock(&display->dpll.lock); } -static void icl_sanitize_port_clk_off(struct drm_i915_private *dev_priv, - u32 port_mask, bool ddi_clk_needed) +static void skl_ddi_disable_clock(struct intel_encoder *encoder) { - enum port port; - u32 val; + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; - val = intel_de_read(dev_priv, ICL_DPCLKA_CFGCR0); - for_each_port_masked(port, port_mask) { - enum phy phy = intel_port_to_phy(dev_priv, port); - bool ddi_clk_off = val & icl_dpclka_cfgcr0_clk_off(dev_priv, - phy); + mutex_lock(&display->dpll.lock); - if (ddi_clk_needed == !ddi_clk_off) - continue; + intel_de_rmw(display, DPLL_CTRL2, + 0, DPLL_CTRL2_DDI_CLK_OFF(port)); - /* - * Punt on the case now where clock is gated, but it would - * be needed by the port. Something else is really broken then. - */ - if (drm_WARN_ON(&dev_priv->drm, ddi_clk_needed)) - continue; + mutex_unlock(&display->dpll.lock); +} + +static bool skl_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + + /* + * FIXME Not sure if the override affects both + * the PLL selection and the CLK_OFF bit. + */ + return !(intel_de_read(display, DPLL_CTRL2) & DPLL_CTRL2_DDI_CLK_OFF(port)); +} + +static struct intel_dpll *skl_ddi_get_pll(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + enum intel_dpll_id id; + u32 tmp; + + tmp = intel_de_read(display, DPLL_CTRL2); + + /* + * FIXME Not sure if the override affects both + * the PLL selection and the CLK_OFF bit. + */ + if ((tmp & DPLL_CTRL2_DDI_SEL_OVERRIDE(port)) == 0) + return NULL; + + id = (tmp & DPLL_CTRL2_DDI_CLK_SEL_MASK(port)) >> + DPLL_CTRL2_DDI_CLK_SEL_SHIFT(port); + + return intel_get_dpll_by_id(display, id); +} + +void hsw_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + enum port port = encoder->port; + + if (drm_WARN_ON(display->drm, !pll)) + return; - drm_notice(&dev_priv->drm, - "PHY %c is disabled/in DSI mode with an ungated DDI clock, gate it\n", - phy_name(phy)); - val |= icl_dpclka_cfgcr0_clk_off(dev_priv, phy); - intel_de_write(dev_priv, ICL_DPCLKA_CFGCR0, val); + intel_de_write(display, PORT_CLK_SEL(port), hsw_pll_to_ddi_pll_sel(pll)); +} + +void hsw_ddi_disable_clock(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + + intel_de_write(display, PORT_CLK_SEL(port), PORT_CLK_SEL_NONE); +} + +bool hsw_ddi_is_clock_enabled(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + + return intel_de_read(display, PORT_CLK_SEL(port)) != PORT_CLK_SEL_NONE; +} + +static struct intel_dpll *hsw_ddi_get_pll(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + enum intel_dpll_id id; + u32 tmp; + + tmp = intel_de_read(display, PORT_CLK_SEL(port)); + + switch (tmp & PORT_CLK_SEL_MASK) { + case PORT_CLK_SEL_WRPLL1: + id = DPLL_ID_WRPLL1; + break; + case PORT_CLK_SEL_WRPLL2: + id = DPLL_ID_WRPLL2; + break; + case PORT_CLK_SEL_SPLL: + id = DPLL_ID_SPLL; + break; + case PORT_CLK_SEL_LCPLL_810: + id = DPLL_ID_LCPLL_810; + break; + case PORT_CLK_SEL_LCPLL_1350: + id = DPLL_ID_LCPLL_1350; + break; + case PORT_CLK_SEL_LCPLL_2700: + id = DPLL_ID_LCPLL_2700; + break; + default: + MISSING_CASE(tmp); + fallthrough; + case PORT_CLK_SEL_NONE: + return NULL; } + + return intel_get_dpll_by_id(display, id); } -void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) +void intel_ddi_enable_clock(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + if (encoder->enable_clock) + encoder->enable_clock(encoder, crtc_state); +} + +void intel_ddi_disable_clock(struct intel_encoder *encoder) +{ + if (encoder->disable_clock) + encoder->disable_clock(encoder); +} + +void intel_ddi_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); u32 port_mask; bool ddi_clk_needed; @@ -2848,7 +2117,7 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) * In the unlikely case that BIOS enables DP in MST mode, just * warn since our MST HW readout is incomplete. */ - if (drm_WARN_ON(&dev_priv->drm, is_mst)) + if (drm_WARN_ON(display->drm, is_mst)) return; } @@ -2863,11 +2132,11 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) * Sanity check that we haven't incorrectly registered another * encoder using any of the ports of this DSI encoder. */ - for_each_intel_encoder(&dev_priv->drm, other_encoder) { + for_each_intel_encoder(display->drm, other_encoder) { if (other_encoder == encoder) continue; - if (drm_WARN_ON(&dev_priv->drm, + if (drm_WARN_ON(display->drm, port_mask & BIT(other_encoder->port))) return; } @@ -2878,126 +2147,63 @@ void icl_sanitize_encoder_pll_mapping(struct intel_encoder *encoder) ddi_clk_needed = false; } - icl_sanitize_port_clk_off(dev_priv, port_mask, ddi_clk_needed); -} - -static void intel_ddi_clk_select(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - enum phy phy = intel_port_to_phy(dev_priv, port); - u32 val; - const struct intel_shared_dpll *pll = crtc_state->shared_dpll; - - if (drm_WARN_ON(&dev_priv->drm, !pll)) + if (ddi_clk_needed || !encoder->is_clock_enabled || + !encoder->is_clock_enabled(encoder)) return; - mutex_lock(&dev_priv->dpll.lock); - - if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_phy_is_combo(dev_priv, phy)) - intel_de_write(dev_priv, DDI_CLK_SEL(port), - icl_pll_to_ddi_clk_sel(encoder, crtc_state)); - else if (IS_ELKHARTLAKE(dev_priv) && port >= PORT_C) - /* - * MG does not exist but the programming is required - * to ungate DDIC and DDID - */ - intel_de_write(dev_priv, DDI_CLK_SEL(port), - DDI_CLK_SEL_MG); - } else if (IS_CANNONLAKE(dev_priv)) { - /* Configure DPCLKA_CFGCR0 to map the DPLL to the DDI. */ - val = intel_de_read(dev_priv, DPCLKA_CFGCR0); - val &= ~DPCLKA_CFGCR0_DDI_CLK_SEL_MASK(port); - val |= DPCLKA_CFGCR0_DDI_CLK_SEL(pll->info->id, port); - intel_de_write(dev_priv, DPCLKA_CFGCR0, val); + drm_dbg_kms(display->drm, + "[ENCODER:%d:%s] is disabled/in DSI mode with an ungated DDI clock, gate it\n", + encoder->base.base.id, encoder->base.name); - /* - * Configure DPCLKA_CFGCR0 to turn on the clock for the DDI. - * This step and the step before must be done with separate - * register writes. - */ - val = intel_de_read(dev_priv, DPCLKA_CFGCR0); - val &= ~DPCLKA_CFGCR0_DDI_CLK_OFF(port); - intel_de_write(dev_priv, DPCLKA_CFGCR0, val); - } else if (IS_GEN9_BC(dev_priv)) { - /* DDI -> PLL mapping */ - val = intel_de_read(dev_priv, DPLL_CTRL2); - - val &= ~(DPLL_CTRL2_DDI_CLK_OFF(port) | - DPLL_CTRL2_DDI_CLK_SEL_MASK(port)); - val |= (DPLL_CTRL2_DDI_CLK_SEL(pll->info->id, port) | - DPLL_CTRL2_DDI_SEL_OVERRIDE(port)); - - intel_de_write(dev_priv, DPLL_CTRL2, val); - - } else if (INTEL_GEN(dev_priv) < 9) { - intel_de_write(dev_priv, PORT_CLK_SEL(port), - hsw_pll_to_ddi_pll_sel(pll)); - } - - mutex_unlock(&dev_priv->dpll.lock); + encoder->disable_clock(encoder); } -static void intel_ddi_clk_disable(struct intel_encoder *encoder) +static void +tgl_dkl_phy_check_and_rewrite(struct intel_display *display, + enum tc_port tc_port, u32 ln0, u32 ln1) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum port port = encoder->port; - enum phy phy = intel_port_to_phy(dev_priv, port); - - if (INTEL_GEN(dev_priv) >= 11) { - if (!intel_phy_is_combo(dev_priv, phy) || - (IS_ELKHARTLAKE(dev_priv) && port >= PORT_C)) - intel_de_write(dev_priv, DDI_CLK_SEL(port), - DDI_CLK_SEL_NONE); - } else if (IS_CANNONLAKE(dev_priv)) { - intel_de_write(dev_priv, DPCLKA_CFGCR0, - intel_de_read(dev_priv, DPCLKA_CFGCR0) | DPCLKA_CFGCR0_DDI_CLK_OFF(port)); - } else if (IS_GEN9_BC(dev_priv)) { - intel_de_write(dev_priv, DPLL_CTRL2, - intel_de_read(dev_priv, DPLL_CTRL2) | DPLL_CTRL2_DDI_CLK_OFF(port)); - } else if (INTEL_GEN(dev_priv) < 9) { - intel_de_write(dev_priv, PORT_CLK_SEL(port), - PORT_CLK_SEL_NONE); - } + if (ln0 != intel_dkl_phy_read(display, DKL_DP_MODE(tc_port, 0))) + intel_dkl_phy_write(display, DKL_DP_MODE(tc_port, 0), ln0); + if (ln1 != intel_dkl_phy_read(display, DKL_DP_MODE(tc_port, 1))) + intel_dkl_phy_write(display, DKL_DP_MODE(tc_port, 1), ln1); } static void -icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port, +icl_program_mg_dp_mode(struct intel_digital_port *dig_port, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); - enum tc_port tc_port = intel_port_to_tc(dev_priv, intel_dig_port->base.port); - u32 ln0, ln1, pin_assignment; + struct intel_display *display = to_intel_display(crtc_state); + enum tc_port tc_port = intel_encoder_to_tc(&dig_port->base); + enum intel_tc_pin_assignment pin_assignment; + u32 ln0, ln1; u8 width; - if (intel_dig_port->tc_mode == TC_PORT_TBT_ALT) + if (DISPLAY_VER(display) >= 14) return; - if (INTEL_GEN(dev_priv) >= 12) { - intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), - HIP_INDEX_VAL(tc_port, 0x0)); - ln0 = intel_de_read(dev_priv, DKL_DP_MODE(tc_port)); - intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), - HIP_INDEX_VAL(tc_port, 0x1)); - ln1 = intel_de_read(dev_priv, DKL_DP_MODE(tc_port)); + if (!intel_encoder_is_tc(&dig_port->base) || + intel_tc_port_in_tbt_alt_mode(dig_port)) + return; + + if (DISPLAY_VER(display) >= 12) { + ln0 = intel_dkl_phy_read(display, DKL_DP_MODE(tc_port, 0)); + ln1 = intel_dkl_phy_read(display, DKL_DP_MODE(tc_port, 1)); } else { - ln0 = intel_de_read(dev_priv, MG_DP_MODE(0, tc_port)); - ln1 = intel_de_read(dev_priv, MG_DP_MODE(1, tc_port)); + ln0 = intel_de_read(display, MG_DP_MODE(0, tc_port)); + ln1 = intel_de_read(display, MG_DP_MODE(1, tc_port)); } - ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X1_MODE); + ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); /* DPPATC */ - pin_assignment = intel_tc_port_get_pin_assignment_mask(intel_dig_port); + pin_assignment = intel_tc_port_get_pin_assignment(dig_port); width = crtc_state->lane_count; switch (pin_assignment) { - case 0x0: - drm_WARN_ON(&dev_priv->drm, - intel_dig_port->tc_mode != TC_PORT_LEGACY); + case INTEL_TC_PIN_ASSIGNMENT_NONE: + drm_WARN_ON(display->drm, + !intel_tc_port_in_legacy_mode(dig_port)); if (width == 1) { ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; } else { @@ -3005,20 +2211,20 @@ icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port, ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; } break; - case 0x1: + case INTEL_TC_PIN_ASSIGNMENT_A: if (width == 4) { ln0 |= MG_DP_MODE_CFG_DP_X2_MODE; ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; } break; - case 0x2: + case INTEL_TC_PIN_ASSIGNMENT_B: if (width == 2) { ln0 |= MG_DP_MODE_CFG_DP_X2_MODE; ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; } break; - case 0x3: - case 0x5: + case INTEL_TC_PIN_ASSIGNMENT_C: + case INTEL_TC_PIN_ASSIGNMENT_E: if (width == 1) { ln0 |= MG_DP_MODE_CFG_DP_X1_MODE; ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; @@ -3027,8 +2233,8 @@ icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port, ln1 |= MG_DP_MODE_CFG_DP_X2_MODE; } break; - case 0x4: - case 0x6: + case INTEL_TC_PIN_ASSIGNMENT_D: + case INTEL_TC_PIN_ASSIGNMENT_F: if (width == 1) { ln0 |= MG_DP_MODE_CFG_DP_X1_MODE; ln1 |= MG_DP_MODE_CFG_DP_X1_MODE; @@ -3041,68 +2247,494 @@ icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port, MISSING_CASE(pin_assignment); } - if (INTEL_GEN(dev_priv) >= 12) { - intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), - HIP_INDEX_VAL(tc_port, 0x0)); - intel_de_write(dev_priv, DKL_DP_MODE(tc_port), ln0); - intel_de_write(dev_priv, HIP_INDEX_REG(tc_port), - HIP_INDEX_VAL(tc_port, 0x1)); - intel_de_write(dev_priv, DKL_DP_MODE(tc_port), ln1); + if (DISPLAY_VER(display) >= 12) { + intel_dkl_phy_write(display, DKL_DP_MODE(tc_port, 0), ln0); + intel_dkl_phy_write(display, DKL_DP_MODE(tc_port, 1), ln1); + /* WA_14018221282 */ + if (IS_DISPLAY_VER(display, 12, 13)) + tgl_dkl_phy_check_and_rewrite(display, tc_port, ln0, ln1); + } else { - intel_de_write(dev_priv, MG_DP_MODE(0, tc_port), ln0); - intel_de_write(dev_priv, MG_DP_MODE(1, tc_port), ln1); + intel_de_write(display, MG_DP_MODE(0, tc_port), ln0); + intel_de_write(display, MG_DP_MODE(1, tc_port), ln1); } } +static enum transcoder +tgl_dp_tp_transcoder(const struct intel_crtc_state *crtc_state) +{ + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) + return crtc_state->mst_master_transcoder; + else + return crtc_state->cpu_transcoder; +} + +i915_reg_t dp_tp_ctl_reg(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + + if (DISPLAY_VER(display) >= 12) + return TGL_DP_TP_CTL(display, + tgl_dp_tp_transcoder(crtc_state)); + else + return DP_TP_CTL(encoder->port); +} + +static i915_reg_t dp_tp_status_reg(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + + if (DISPLAY_VER(display) >= 12) + return TGL_DP_TP_STATUS(display, + tgl_dp_tp_transcoder(crtc_state)); + else + return DP_TP_STATUS(encoder->port); +} + +void intel_ddi_clear_act_sent(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + + intel_de_write(display, dp_tp_status_reg(encoder, crtc_state), + DP_TP_STATUS_ACT_SENT); +} + +void intel_ddi_wait_for_act_sent(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + + if (intel_de_wait_for_set_ms(display, dp_tp_status_reg(encoder, crtc_state), + DP_TP_STATUS_ACT_SENT, 1)) + drm_err(display->drm, "Timed out waiting for ACT sent\n"); +} + +static void intel_dp_sink_set_msa_timing_par_ignore_state(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + bool enable) +{ + struct intel_display *display = to_intel_display(intel_dp); + + if (!crtc_state->vrr.enable) + return; + + if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_DOWNSPREAD_CTRL, + enable ? DP_MSA_TIMING_PAR_IGNORE_EN : 0) <= 0) + drm_dbg_kms(display->drm, + "Failed to %s MSA_TIMING_PAR_IGNORE in the sink\n", + str_enable_disable(enable)); +} + static void intel_dp_sink_set_fec_ready(struct intel_dp *intel_dp, - const struct intel_crtc_state *crtc_state) + const struct intel_crtc_state *crtc_state, + bool enable) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); if (!crtc_state->fec_enable) return; - if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_FEC_CONFIGURATION, DP_FEC_READY) <= 0) - drm_dbg_kms(&i915->drm, - "Failed to set FEC_READY in the sink\n"); + if (drm_dp_dpcd_writeb(&intel_dp->aux, DP_FEC_CONFIGURATION, + enable ? DP_FEC_READY : 0) <= 0) + drm_dbg_kms(display->drm, "Failed to set FEC_READY to %s in the sink\n", + str_enabled_disabled(enable)); + + if (enable && + drm_dp_dpcd_writeb(&intel_dp->aux, DP_FEC_STATUS, + DP_FEC_DECODE_EN_DETECTED | DP_FEC_DECODE_DIS_DETECTED) <= 0) + drm_dbg_kms(display->drm, "Failed to clear FEC detected flags\n"); +} + +static int wait_for_fec_detected(struct drm_dp_aux *aux, bool enabled) +{ + struct intel_display *display = to_intel_display(aux->drm_dev); + int mask = enabled ? DP_FEC_DECODE_EN_DETECTED : DP_FEC_DECODE_DIS_DETECTED; + u8 status = 0; + int ret, err; + + ret = poll_timeout_us(err = drm_dp_dpcd_read_byte(aux, DP_FEC_STATUS, &status), + err || (status & mask), + 10 * 1000, 200 * 1000, false); + + /* Either can be non-zero, but not both */ + ret = ret ?: err; + if (ret) { + drm_dbg_kms(display->drm, + "Failed waiting for FEC %s to get detected: %d (status 0x%02x)\n", + str_enabled_disabled(enabled), ret, status); + return ret; + } + + return 0; +} + +int intel_ddi_wait_for_fec_status(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + bool enabled) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + int ret; + + if (!crtc_state->fec_enable) + return 0; + + if (enabled) + ret = intel_de_wait_for_set_ms(display, dp_tp_status_reg(encoder, crtc_state), + DP_TP_STATUS_FEC_ENABLE_LIVE, 1); + else + ret = intel_de_wait_for_clear_ms(display, dp_tp_status_reg(encoder, crtc_state), + DP_TP_STATUS_FEC_ENABLE_LIVE, 1); + + if (ret) { + drm_err(display->drm, + "Timeout waiting for FEC live state to get %s\n", + str_enabled_disabled(enabled)); + return ret; + } + /* + * At least the Synoptics MST hub doesn't set the detected flag for + * FEC decoding disabling so skip waiting for that. + */ + if (enabled) { + ret = wait_for_fec_detected(&intel_dp->aux, enabled); + if (ret) + return ret; + } + + return 0; } static void intel_ddi_enable_fec(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dp *intel_dp; - u32 val; + struct intel_display *display = to_intel_display(encoder); + int i; + int ret; if (!crtc_state->fec_enable) return; - intel_dp = enc_to_intel_dp(encoder); - val = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl); - val |= DP_TP_CTL_FEC_ENABLE; - intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, val); + intel_de_rmw(display, dp_tp_ctl_reg(encoder, crtc_state), + 0, DP_TP_CTL_FEC_ENABLE); + + if (DISPLAY_VER(display) < 30) + return; + + ret = intel_ddi_wait_for_fec_status(encoder, crtc_state, true); + if (!ret) + return; + + for (i = 0; i < 3; i++) { + drm_dbg_kms(display->drm, "Retry FEC enabling\n"); + + intel_de_rmw(display, dp_tp_ctl_reg(encoder, crtc_state), + DP_TP_CTL_FEC_ENABLE, 0); + + ret = intel_ddi_wait_for_fec_status(encoder, crtc_state, false); + if (ret) + continue; + + intel_de_rmw(display, dp_tp_ctl_reg(encoder, crtc_state), + 0, DP_TP_CTL_FEC_ENABLE); - if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status, - DP_TP_STATUS_FEC_ENABLE_LIVE, 1)) - drm_err(&dev_priv->drm, - "Timed out waiting for FEC Enable Status\n"); + ret = intel_ddi_wait_for_fec_status(encoder, crtc_state, true); + if (!ret) + return; + } + + drm_err(display->drm, "Failed to enable FEC after retries\n"); } -static void intel_ddi_disable_fec_state(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +static void intel_ddi_disable_fec(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dp *intel_dp; - u32 val; + struct intel_display *display = to_intel_display(encoder); if (!crtc_state->fec_enable) return; - intel_dp = enc_to_intel_dp(encoder); - val = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl); - val &= ~DP_TP_CTL_FEC_ENABLE; - intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, val); - intel_de_posting_read(dev_priv, intel_dp->regs.dp_tp_ctl); + intel_de_rmw(display, dp_tp_ctl_reg(encoder, crtc_state), + DP_TP_CTL_FEC_ENABLE, 0); + intel_de_posting_read(display, dp_tp_ctl_reg(encoder, crtc_state)); +} + +static void intel_ddi_power_up_lanes(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + + if (intel_encoder_is_combo(encoder)) { + enum phy phy = intel_encoder_to_phy(encoder); + + intel_combo_phy_power_up_lanes(display, phy, false, + crtc_state->lane_count, + dig_port->lane_reversal); + } +} + +/* + * Splitter enable for eDP MSO is limited to certain pipes, on certain + * platforms. + */ +static u8 intel_ddi_splitter_pipe_mask(struct intel_display *display) +{ + if (DISPLAY_VER(display) > 20) + return ~0; + else if (display->platform.alderlake_p) + return BIT(PIPE_A) | BIT(PIPE_B); + else + return BIT(PIPE_A); +} + +static void intel_ddi_mso_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config) +{ + struct intel_display *display = to_intel_display(pipe_config); + struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); + enum pipe pipe = crtc->pipe; + u32 dss1; + + if (!HAS_MSO(display)) + return; + + dss1 = intel_de_read(display, ICL_PIPE_DSS_CTL1(pipe)); + + pipe_config->splitter.enable = dss1 & SPLITTER_ENABLE; + if (!pipe_config->splitter.enable) + return; + + if (drm_WARN_ON(display->drm, !(intel_ddi_splitter_pipe_mask(display) & BIT(pipe)))) { + pipe_config->splitter.enable = false; + return; + } + + switch (dss1 & SPLITTER_CONFIGURATION_MASK) { + default: + drm_WARN(display->drm, true, + "Invalid splitter configuration, dss1=0x%08x\n", dss1); + fallthrough; + case SPLITTER_CONFIGURATION_2_SEGMENT: + pipe_config->splitter.link_count = 2; + break; + case SPLITTER_CONFIGURATION_4_SEGMENT: + pipe_config->splitter.link_count = 4; + break; + } + + pipe_config->splitter.pixel_overlap = REG_FIELD_GET(OVERLAP_PIXELS_MASK, dss1); +} + +static void intel_ddi_mso_configure(const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + enum pipe pipe = crtc->pipe; + u32 dss1 = 0; + + if (!HAS_MSO(display)) + return; + + if (crtc_state->splitter.enable) { + dss1 |= SPLITTER_ENABLE; + dss1 |= OVERLAP_PIXELS(crtc_state->splitter.pixel_overlap); + if (crtc_state->splitter.link_count == 2) + dss1 |= SPLITTER_CONFIGURATION_2_SEGMENT; + else + dss1 |= SPLITTER_CONFIGURATION_4_SEGMENT; + } + + intel_de_rmw(display, ICL_PIPE_DSS_CTL1(pipe), + SPLITTER_ENABLE | SPLITTER_CONFIGURATION_MASK | + OVERLAP_PIXELS_MASK, dss1); +} + +static void +mtl_ddi_enable_d2d(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + i915_reg_t reg; + u32 set_bits, wait_bits; + int ret; + + if (DISPLAY_VER(display) < 14) + return; + + if (DISPLAY_VER(display) >= 20) { + reg = DDI_BUF_CTL(port); + set_bits = XE2LPD_DDI_BUF_D2D_LINK_ENABLE; + wait_bits = XE2LPD_DDI_BUF_D2D_LINK_STATE; + } else { + reg = XELPDP_PORT_BUF_CTL1(display, port); + set_bits = XELPDP_PORT_BUF_D2D_LINK_ENABLE; + wait_bits = XELPDP_PORT_BUF_D2D_LINK_STATE; + } + + intel_de_rmw(display, reg, 0, set_bits); + + ret = intel_de_wait_for_set_us(display, reg, wait_bits, 100); + if (ret) { + drm_err(display->drm, "Timeout waiting for D2D Link enable for DDI/PORT_BUF_CTL %c\n", + port_name(port)); + } +} + +static void mtl_port_buf_ctl_program(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + enum port port = encoder->port; + u32 val = 0; + + val |= XELPDP_PORT_WIDTH(crtc_state->lane_count); + + if (intel_dp_is_uhbr(crtc_state)) + val |= XELPDP_PORT_BUF_PORT_DATA_40BIT; + else + val |= XELPDP_PORT_BUF_PORT_DATA_10BIT; + + if (dig_port->lane_reversal) + val |= XELPDP_PORT_REVERSAL; + + intel_de_rmw(display, XELPDP_PORT_BUF_CTL1(display, port), + XELPDP_PORT_WIDTH_MASK | XELPDP_PORT_BUF_PORT_DATA_WIDTH_MASK, + val); +} + +static void mtl_port_buf_ctl_io_selection(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + u32 val; + + val = intel_tc_port_in_tbt_alt_mode(dig_port) ? + XELPDP_PORT_BUF_IO_SELECT_TBT : 0; + intel_de_rmw(display, XELPDP_PORT_BUF_CTL1(display, encoder->port), + XELPDP_PORT_BUF_IO_SELECT_TBT, val); +} + +static void mtl_ddi_pre_enable_dp(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); + bool transparent_mode; + int ret; + + intel_dp_set_link_params(intel_dp, + crtc_state->port_clock, + crtc_state->lane_count); + + /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); + + /* + * 1. Enable Power Wells + * + * This was handled at the beginning of intel_atomic_commit_tail(), + * before we called down into this function. + */ + + /* 2. PMdemand was already set */ + + /* 3. Select Thunderbolt */ + mtl_port_buf_ctl_io_selection(encoder); + + /* 4. Enable Panel Power if PPS is required */ + intel_pps_on(intel_dp); + + /* 5. Enable the port PLL */ + intel_ddi_enable_clock(encoder, crtc_state); + + /* + * 6.a Configure Transcoder Clock Select to direct the Port clock to the + * Transcoder. + */ + intel_ddi_enable_transcoder_clock(encoder, crtc_state); + + /* + * 6.b If DP v2.0/128b mode - Configure TRANS_DP2_CTL register settings. + * 6.c Configure TRANS_DDI_FUNC_CTL DDI Select, DDI Mode Select & MST + * Transport Select + */ + intel_ddi_config_transcoder_func(encoder, crtc_state); + + /* + * 6.e Program CoG/MSO configuration bits in DSS_CTL1 if selected. + */ + intel_ddi_mso_configure(crtc_state); + + if (!is_mst) + intel_dp_set_power(intel_dp, DP_SET_POWER_D0); + + transparent_mode = intel_dp_lttpr_transparent_mode_enabled(intel_dp); + drm_dp_lttpr_wake_timeout_setup(&intel_dp->aux, transparent_mode); + + intel_dp_configure_protocol_converter(intel_dp, crtc_state); + if (!is_mst) + intel_dp_sink_enable_decompression(state, + to_intel_connector(conn_state->connector), + crtc_state); + + /* + * DDI FEC: "anticipates enabling FEC encoding sets the FEC_READY bit + * in the FEC_CONFIGURATION register to 1 before initiating link + * training + */ + intel_dp_sink_set_fec_ready(intel_dp, crtc_state, true); + + intel_dp_check_frl_training(intel_dp); + intel_dp_pcon_dsc_configure(intel_dp, crtc_state); + + /* + * 6. The rest of the below are substeps under the bspec's "Enable and + * Train Display Port" step. Note that steps that are specific to + * MST will be handled by intel_mst_pre_enable_dp() before/after it + * calls into this function. Also intel_mst_pre_enable_dp() only calls + * us when active_mst_links==0, so any steps designated for "single + * stream or multi-stream master transcoder" can just be performed + * unconditionally here. + * + * mtl_ddi_prepare_link_retrain() that is called by + * intel_dp_start_link_train() will execute steps: 6.d, 6.f, 6.g, 6.h, + * 6.i and 6.j + * + * 6.k Follow DisplayPort specification training sequence (see notes for + * failure handling) + * 6.m If DisplayPort multi-stream - Set DP_TP_CTL link training to Idle + * Pattern, wait for 5 idle patterns (DP_TP_STATUS Min_Idles_Sent) + * (timeout after 800 us) + */ + intel_dp_start_link_train(state, intel_dp, crtc_state); + + /* 6.n Set DP_TP_CTL link training to Normal */ + if (!is_trans_port_sync_mode(crtc_state)) + intel_dp_stop_link_train(intel_dp, crtc_state); + + /* 6.o Configure and enable FEC if needed */ + intel_ddi_enable_fec(encoder, crtc_state); + + /* 7.a 128b/132b SST. */ + if (!is_mst && intel_dp_is_uhbr(crtc_state)) { + /* VCPID 1, start slot 0 for 128b/132b, tu slots */ + ret = drm_dp_dpcd_write_payload(&intel_dp->aux, 1, 0, crtc_state->dp_m_n.tu); + if (ret < 0) + intel_dp_queue_modeset_retry_for_link(state, encoder, crtc_state); + } + + if (!is_mst) + intel_dsc_dp_pps_write(encoder, crtc_state); } static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, @@ -3110,19 +2742,21 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); - int level = intel_ddi_dp_level(intel_dp); - enum transcoder transcoder = crtc_state->cpu_transcoder; + int ret; - intel_dp_set_link_params(intel_dp, crtc_state->port_clock, - crtc_state->lane_count, is_mst); + intel_dp_set_link_params(intel_dp, + crtc_state->port_clock, + crtc_state->lane_count); - intel_dp->regs.dp_tp_ctl = TGL_DP_TP_CTL(transcoder); - intel_dp->regs.dp_tp_status = TGL_DP_TP_STATUS(transcoder); + /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); /* * 1. Enable Power Wells @@ -3132,7 +2766,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, */ /* 2. Enable Panel Power if PPS is required */ - intel_edp_panel_on(intel_dp); + intel_pps_on(intel_dp); /* * 3. For non-TBT Type-C ports, set FIA lane count @@ -3146,16 +2780,17 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, * 4. Enable the port PLL. * * The PLL enabling itself was already done before this function by - * hsw_crtc_enable()->intel_enable_shared_dpll(). We need only + * hsw_crtc_enable()->intel_enable_dpll(). We need only * configure the PLL to port mapping here. */ - intel_ddi_clk_select(encoder, crtc_state); + intel_ddi_enable_clock(encoder, crtc_state); /* 5. If IO power is controlled through PWR_WELL_CTL, Enable IO Power */ - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) - intel_display_power_get(dev_priv, - dig_port->ddi_io_power_domain); + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { + drm_WARN_ON(display->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(display, + dig_port->ddi_io_power_domain); + } /* 6. Program DP_MODE */ icl_program_mg_dp_mode(dig_port, crtc_state); @@ -3174,7 +2809,7 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, * 7.a Configure Transcoder Clock Select to direct the Port clock to the * Transcoder. */ - intel_ddi_enable_pipe_clock(encoder, crtc_state); + intel_ddi_enable_transcoder_clock(encoder, crtc_state); /* * 7.b Configure TRANS_DDI_FUNC_CTL DDI Select, DDI Mode Select & MST @@ -3191,42 +2826,36 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, */ /* 7.e Configure voltage swing and related IO settings */ - tgl_ddi_vswing_sequence(encoder, crtc_state->port_clock, level, - encoder->type); + encoder->set_signal_levels(encoder, crtc_state); /* * 7.f Combo PHY: Configure PORT_CL_DW10 Static Power Down to power up * the used lanes of the DDI. */ - if (intel_phy_is_combo(dev_priv, phy)) { - bool lane_reversal = - dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; - - intel_combo_phy_power_up_lanes(dev_priv, phy, false, - crtc_state->lane_count, - lane_reversal); - } + intel_ddi_power_up_lanes(encoder, crtc_state); /* - * 7.g Configure and enable DDI_BUF_CTL - * 7.h Wait for DDI_BUF_CTL DDI Idle Status = 0b (Not Idle), timeout - * after 500 us. - * - * We only configure what the register value will be here. Actual - * enabling happens during link training farther down. + * 7.g Program CoG/MSO configuration bits in DSS_CTL1 if selected. */ - intel_ddi_init_dp_buf_reg(encoder); + intel_ddi_mso_configure(crtc_state); if (!is_mst) - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); + intel_dp_set_power(intel_dp, DP_SET_POWER_D0); - intel_dp_sink_set_decompression_state(intel_dp, crtc_state, true); + intel_dp_configure_protocol_converter(intel_dp, crtc_state); + if (!is_mst) + intel_dp_sink_enable_decompression(state, + to_intel_connector(conn_state->connector), + crtc_state); /* * DDI FEC: "anticipates enabling FEC encoding sets the FEC_READY bit * in the FEC_CONFIGURATION register to 1 before initiating link * training */ - intel_dp_sink_set_fec_ready(intel_dp, crtc_state); + intel_dp_sink_set_fec_ready(intel_dp, crtc_state, true); + + intel_dp_check_frl_training(intel_dp); + intel_dp_pcon_dsc_configure(intel_dp, crtc_state); /* * 7.i Follow DisplayPort specification training sequence (see notes for @@ -3235,15 +2864,24 @@ static void tgl_ddi_pre_enable_dp(struct intel_atomic_state *state, * Pattern, wait for 5 idle patterns (DP_TP_STATUS Min_Idles_Sent) * (timeout after 800 us) */ - intel_dp_start_link_train(intel_dp); + intel_dp_start_link_train(state, intel_dp, crtc_state); /* 7.k Set DP_TP_CTL link training to Normal */ if (!is_trans_port_sync_mode(crtc_state)) - intel_dp_stop_link_train(intel_dp); + intel_dp_stop_link_train(intel_dp, crtc_state); /* 7.l Configure and enable FEC if needed */ intel_ddi_enable_fec(encoder, crtc_state); - intel_dsc_enable(encoder, crtc_state); + + if (!is_mst && intel_dp_is_uhbr(crtc_state)) { + /* VCPID 1, start slot 0 for 128b/132b, tu slots */ + ret = drm_dp_dpcd_write_payload(&intel_dp->aux, 1, 0, crtc_state->dp_m_n.tu); + if (ret < 0) + intel_dp_queue_modeset_retry_for_link(state, encoder, crtc_state); + } + + if (!is_mst) + intel_dsc_dp_pps_write(encoder, crtc_state); } static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, @@ -3251,70 +2889,66 @@ static void hsw_ddi_pre_enable_dp(struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; - enum phy phy = intel_port_to_phy(dev_priv, port); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); bool is_mst = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST); - int level = intel_ddi_dp_level(intel_dp); - if (INTEL_GEN(dev_priv) < 11) - drm_WARN_ON(&dev_priv->drm, + if (DISPLAY_VER(display) < 11) + drm_WARN_ON(display->drm, is_mst && (port == PORT_A || port == PORT_E)); else - drm_WARN_ON(&dev_priv->drm, is_mst && port == PORT_A); + drm_WARN_ON(display->drm, is_mst && port == PORT_A); - intel_dp_set_link_params(intel_dp, crtc_state->port_clock, - crtc_state->lane_count, is_mst); + intel_dp_set_link_params(intel_dp, + crtc_state->port_clock, + crtc_state->lane_count); - intel_edp_panel_on(intel_dp); + /* + * We only configure what the register value will be here. Actual + * enabling happens during link training farther down. + */ + intel_ddi_init_dp_buf_reg(encoder, crtc_state); - intel_ddi_clk_select(encoder, crtc_state); + intel_pps_on(intel_dp); - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) - intel_display_power_get(dev_priv, - dig_port->ddi_io_power_domain); + intel_ddi_enable_clock(encoder, crtc_state); + + if (!intel_tc_port_in_tbt_alt_mode(dig_port)) { + drm_WARN_ON(display->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(display, + dig_port->ddi_io_power_domain); + } icl_program_mg_dp_mode(dig_port, crtc_state); - if (INTEL_GEN(dev_priv) >= 11) - icl_ddi_vswing_sequence(encoder, crtc_state->port_clock, - level, encoder->type); - else if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level, encoder->type); - else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_vswing_sequence(encoder, level, encoder->type); - else - intel_prepare_dp_ddi_buffers(encoder, crtc_state); + if (has_buf_trans_select(display)) + hsw_prepare_dp_ddi_buffers(encoder, crtc_state); - if (intel_phy_is_combo(dev_priv, phy)) { - bool lane_reversal = - dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; + encoder->set_signal_levels(encoder, crtc_state); - intel_combo_phy_power_up_lanes(dev_priv, phy, false, - crtc_state->lane_count, - lane_reversal); - } + intel_ddi_power_up_lanes(encoder, crtc_state); - intel_ddi_init_dp_buf_reg(encoder); if (!is_mst) - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_ON); - intel_dp_sink_set_decompression_state(intel_dp, crtc_state, - true); - intel_dp_sink_set_fec_ready(intel_dp, crtc_state); - intel_dp_start_link_train(intel_dp); - if ((port != PORT_A || INTEL_GEN(dev_priv) >= 9) && + intel_dp_set_power(intel_dp, DP_SET_POWER_D0); + intel_dp_configure_protocol_converter(intel_dp, crtc_state); + if (!is_mst) + intel_dp_sink_enable_decompression(state, + to_intel_connector(conn_state->connector), + crtc_state); + intel_dp_sink_set_fec_ready(intel_dp, crtc_state, true); + intel_dp_start_link_train(state, intel_dp, crtc_state); + if ((port != PORT_A || DISPLAY_VER(display) >= 9) && !is_trans_port_sync_mode(crtc_state)) - intel_dp_stop_link_train(intel_dp); + intel_dp_stop_link_train(intel_dp, crtc_state); intel_ddi_enable_fec(encoder, crtc_state); - if (!is_mst) - intel_ddi_enable_pipe_clock(encoder, crtc_state); - - intel_dsc_enable(encoder, crtc_state); + if (!is_mst) { + intel_ddi_enable_transcoder_clock(encoder, crtc_state); + intel_dsc_dp_pps_write(encoder, crtc_state); + } } static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state, @@ -3322,9 +2956,18 @@ static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); + + if (HAS_DP20(display)) + intel_dp_128b132b_sdp_crc16(enc_to_intel_dp(encoder), + crtc_state); - if (INTEL_GEN(dev_priv) >= 12) + /* Panel replay has to be enabled in sink dpcd before link training. */ + intel_psr_panel_replay_enable_sink(enc_to_intel_dp(encoder)); + + if (DISPLAY_VER(display) >= 14) + mtl_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state); + else if (DISPLAY_VER(display) >= 12) tgl_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state); else hsw_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state); @@ -3332,11 +2975,8 @@ static void intel_ddi_pre_enable_dp(struct intel_atomic_state *state, /* MST will call a setting of MSA after an allocating of Virtual Channel * from MST encoder pre_enable callback. */ - if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) { + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) intel_ddi_set_dp_msa(crtc_state, conn_state); - - intel_dp_set_m_n(crtc_state, M1_N1); - } } static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state, @@ -3344,120 +2984,140 @@ static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); - struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - int level = intel_ddi_hdmi_level(encoder); + struct intel_display *display = to_intel_display(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + struct intel_hdmi *intel_hdmi = &dig_port->hdmi; intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); - intel_ddi_clk_select(encoder, crtc_state); + intel_ddi_enable_clock(encoder, crtc_state); - intel_display_power_get(dev_priv, dig_port->ddi_io_power_domain); + drm_WARN_ON(display->drm, dig_port->ddi_io_wakeref); + dig_port->ddi_io_wakeref = intel_display_power_get(display, + dig_port->ddi_io_power_domain); icl_program_mg_dp_mode(dig_port, crtc_state); - if (INTEL_GEN(dev_priv) >= 12) - tgl_ddi_vswing_sequence(encoder, crtc_state->port_clock, - level, INTEL_OUTPUT_HDMI); - else if (INTEL_GEN(dev_priv) == 11) - icl_ddi_vswing_sequence(encoder, crtc_state->port_clock, - level, INTEL_OUTPUT_HDMI); - else if (IS_CANNONLAKE(dev_priv)) - cnl_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); - else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_vswing_sequence(encoder, level, INTEL_OUTPUT_HDMI); - else - intel_prepare_hdmi_ddi_buffers(encoder, level); - - if (IS_GEN9_BC(dev_priv)) - skl_ddi_set_iboost(encoder, level, INTEL_OUTPUT_HDMI); - - intel_ddi_enable_pipe_clock(encoder, crtc_state); + intel_ddi_enable_transcoder_clock(encoder, crtc_state); - intel_dig_port->set_infoframes(encoder, - crtc_state->has_infoframe, - crtc_state, conn_state); + dig_port->set_infoframes(encoder, + crtc_state->has_infoframe, + crtc_state, conn_state); } +/* + * Note: Also called from the ->pre_enable of the first active MST stream + * encoder on its primary encoder. + * + * When called from DP MST code: + * + * - conn_state will be NULL + * + * - encoder will be the primary encoder (i.e. mst->primary) + * + * - the main connector associated with this port won't be active or linked to a + * crtc + * + * - crtc_state will be the state of the first stream to be activated on this + * port, and it may not be the same stream that will be deactivated last, but + * each stream should have a state that is identical when it comes to the DP + * link parameters. + */ static void intel_ddi_pre_enable(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { + struct intel_display *display = to_intel_display(state); struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum pipe pipe = crtc->pipe; - /* - * When called from DP MST code: - * - conn_state will be NULL - * - encoder will be the main encoder (ie. mst->primary) - * - the main connector associated with this port - * won't be active or linked to a crtc - * - crtc_state will be the state of the first stream to - * be activated on this port, and it may not be the same - * stream that will be deactivated last, but each stream - * should have a state that is identical when it comes to - * the DP link parameteres - */ - - drm_WARN_ON(&dev_priv->drm, crtc_state->has_pch_encoder); - - if (INTEL_GEN(dev_priv) >= 11) - icl_map_plls_to_ports(encoder, crtc_state); + drm_WARN_ON(display->drm, crtc_state->has_pch_encoder); - intel_set_cpu_fifo_underrun_reporting(dev_priv, pipe, true); + intel_set_cpu_fifo_underrun_reporting(display, pipe, true); if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) { intel_ddi_pre_enable_hdmi(state, encoder, crtc_state, conn_state); } else { - struct intel_lspcon *lspcon = - enc_to_intel_lspcon(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); intel_ddi_pre_enable_dp(state, encoder, crtc_state, conn_state); - if (lspcon->active) { - struct intel_digital_port *dig_port = - enc_to_dig_port(encoder); + /* FIXME precompute everything properly */ + /* FIXME how do we turn infoframes off again? */ + if (intel_lspcon_active(dig_port) && intel_dp_has_hdmi_sink(&dig_port->dp)) dig_port->set_infoframes(encoder, crtc_state->has_infoframe, crtc_state, conn_state); - } } } -static void intel_disable_ddi_buf(struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state) +static void +mtl_ddi_disable_d2d(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); enum port port = encoder->port; - bool wait = false; - u32 val; + i915_reg_t reg; + u32 clr_bits, wait_bits; + int ret; + + if (DISPLAY_VER(display) < 14) + return; - val = intel_de_read(dev_priv, DDI_BUF_CTL(port)); - if (val & DDI_BUF_CTL_ENABLE) { - val &= ~DDI_BUF_CTL_ENABLE; - intel_de_write(dev_priv, DDI_BUF_CTL(port), val); - wait = true; + if (DISPLAY_VER(display) >= 20) { + reg = DDI_BUF_CTL(port); + clr_bits = XE2LPD_DDI_BUF_D2D_LINK_ENABLE; + wait_bits = XE2LPD_DDI_BUF_D2D_LINK_STATE; + } else { + reg = XELPDP_PORT_BUF_CTL1(display, port); + clr_bits = XELPDP_PORT_BUF_D2D_LINK_ENABLE; + wait_bits = XELPDP_PORT_BUF_D2D_LINK_STATE; } - if (intel_crtc_has_dp_encoder(crtc_state)) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + intel_de_rmw(display, reg, clr_bits, 0); + + ret = intel_de_wait_for_clear_us(display, reg, wait_bits, 100); + if (ret) + drm_err(display->drm, "Timeout waiting for D2D Link disable for DDI/PORT_BUF_CTL %c\n", + port_name(port)); +} + +static void intel_ddi_buf_enable(struct intel_encoder *encoder, u32 buf_ctl) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; - val = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl); - val &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); - val |= DP_TP_CTL_LINK_TRAIN_PAT1; - intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, val); + intel_de_write(display, DDI_BUF_CTL(port), buf_ctl | DDI_BUF_CTL_ENABLE); + intel_de_posting_read(display, DDI_BUF_CTL(port)); + + intel_wait_ddi_buf_active(encoder); +} + +static void intel_ddi_buf_disable(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + enum port port = encoder->port; + + intel_de_rmw(display, DDI_BUF_CTL(port), DDI_BUF_CTL_ENABLE, 0); + + if (DISPLAY_VER(display) >= 14) + intel_wait_ddi_buf_idle(display, port); + + mtl_ddi_disable_d2d(encoder); + + if (intel_crtc_has_dp_encoder(crtc_state)) { + intel_de_rmw(display, dp_tp_ctl_reg(encoder, crtc_state), + DP_TP_CTL_ENABLE, 0); } - /* Disable FEC in DP Sink */ - intel_ddi_disable_fec_state(encoder, crtc_state); + intel_ddi_disable_fec(encoder, crtc_state); + + if (DISPLAY_VER(display) < 14) + intel_wait_ddi_buf_idle(display, port); - if (wait) - intel_wait_ddi_buf_idle(dev_priv, port); + intel_ddi_wait_for_fec_status(encoder, crtc_state, false); } static void intel_ddi_post_disable_dp(struct intel_atomic_state *state, @@ -3465,58 +3125,67 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct intel_dp *intel_dp = &dig_port->dp; + intel_wakeref_t wakeref; bool is_mst = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - intel_dp_set_infoframes(encoder, false, old_crtc_state, old_conn_state); + if (!is_mst) + intel_dp_set_infoframes(encoder, false, + old_crtc_state, old_conn_state); /* * Power down sink before disabling the port, otherwise we end * up getting interrupts from the sink on detecting link loss. */ - intel_dp_sink_dpms(intel_dp, DRM_MODE_DPMS_OFF); + intel_dp_set_power(intel_dp, DP_SET_POWER_D3); - if (INTEL_GEN(dev_priv) >= 12) { - if (is_mst) { + if (DISPLAY_VER(display) >= 12) { + if (is_mst || intel_dp_is_uhbr(old_crtc_state)) { enum transcoder cpu_transcoder = old_crtc_state->cpu_transcoder; - u32 val; - val = intel_de_read(dev_priv, - TRANS_DDI_FUNC_CTL(cpu_transcoder)); - val &= ~(TGL_TRANS_DDI_PORT_MASK | - TRANS_DDI_MODE_SELECT_MASK); - intel_de_write(dev_priv, - TRANS_DDI_FUNC_CTL(cpu_transcoder), - val); + intel_de_rmw(display, + TRANS_DDI_FUNC_CTL(display, cpu_transcoder), + TGL_TRANS_DDI_PORT_MASK | TRANS_DDI_MODE_SELECT_MASK, + 0); } } else { if (!is_mst) - intel_ddi_disable_pipe_clock(old_crtc_state); + intel_ddi_disable_transcoder_clock(old_crtc_state); } - intel_disable_ddi_buf(encoder, old_crtc_state); + intel_ddi_buf_disable(encoder, old_crtc_state); + + intel_dp_sink_set_fec_ready(intel_dp, old_crtc_state, false); + + intel_ddi_config_transcoder_dp2(old_crtc_state, false); /* * From TGL spec: "If single stream or multi-stream master transcoder: * Configure Transcoder Clock select to direct no clock to the * transcoder" */ - if (INTEL_GEN(dev_priv) >= 12) - intel_ddi_disable_pipe_clock(old_crtc_state); + if (DISPLAY_VER(display) >= 12) + intel_ddi_disable_transcoder_clock(old_crtc_state); + + intel_pps_vdd_on(intel_dp); + intel_pps_off(intel_dp); + + wakeref = fetch_and_zero(&dig_port->ddi_io_wakeref); - intel_edp_panel_vdd_on(intel_dp); - intel_edp_panel_off(intel_dp); + if (wakeref) + intel_display_power_put(display, + dig_port->ddi_io_power_domain, + wakeref); - if (!intel_phy_is_tc(dev_priv, phy) || - dig_port->tc_mode != TC_PORT_TBT_ALT) - intel_display_power_put_unchecked(dev_priv, - dig_port->ddi_io_power_domain); + intel_ddi_disable_clock(encoder); - intel_ddi_clk_disable(encoder); + /* De-select Thunderbolt */ + if (DISPLAY_VER(display) >= 14) + intel_de_rmw(display, XELPDP_PORT_BUF_CTL1(display, encoder->port), + XELPDP_PORT_BUF_IO_SELECT_TBT, 0); } static void intel_ddi_post_disable_hdmi(struct intel_atomic_state *state, @@ -3524,49 +3193,97 @@ static void intel_ddi_post_disable_hdmi(struct intel_atomic_state *state, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct intel_hdmi *intel_hdmi = &dig_port->hdmi; + intel_wakeref_t wakeref; dig_port->set_infoframes(encoder, false, old_crtc_state, old_conn_state); - intel_ddi_disable_pipe_clock(old_crtc_state); + if (DISPLAY_VER(display) < 12) + intel_ddi_disable_transcoder_clock(old_crtc_state); + + intel_ddi_buf_disable(encoder, old_crtc_state); - intel_disable_ddi_buf(encoder, old_crtc_state); + if (DISPLAY_VER(display) >= 12) + intel_ddi_disable_transcoder_clock(old_crtc_state); - intel_display_power_put_unchecked(dev_priv, - dig_port->ddi_io_power_domain); + wakeref = fetch_and_zero(&dig_port->ddi_io_wakeref); + if (wakeref) + intel_display_power_put(display, + dig_port->ddi_io_power_domain, + wakeref); - intel_ddi_clk_disable(encoder); + intel_ddi_disable_clock(encoder); intel_dp_dual_mode_set_tmds_output(intel_hdmi, false); } -static void intel_ddi_post_disable(struct intel_atomic_state *state, - struct intel_encoder *encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state) +static void intel_ddi_post_disable_hdmi_or_sst(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - bool is_tc_port = intel_phy_is_tc(dev_priv, phy); + struct intel_display *display = to_intel_display(encoder); + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_crtc *pipe_crtc; + bool is_hdmi = intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI); + int i; - if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST)) { - intel_crtc_vblank_off(old_crtc_state); + for_each_pipe_crtc_modeset_disable(display, pipe_crtc, old_crtc_state, i) { + const struct intel_crtc_state *old_pipe_crtc_state = + intel_atomic_get_old_crtc_state(state, pipe_crtc); - intel_disable_pipe(old_crtc_state); + intel_crtc_vblank_off(old_pipe_crtc_state); + } - intel_ddi_disable_transcoder_func(old_crtc_state); + intel_disable_transcoder(old_crtc_state); - intel_dsc_disable(old_crtc_state); + /* 128b/132b SST */ + if (!is_hdmi && intel_dp_is_uhbr(old_crtc_state)) { + /* VCPID 1, start slot 0 for 128b/132b, clear */ + drm_dp_dpcd_write_payload(&intel_dp->aux, 1, 0, 0); - if (INTEL_GEN(dev_priv) >= 9) - skl_scaler_disable(old_crtc_state); + intel_ddi_clear_act_sent(encoder, old_crtc_state); + + intel_de_rmw(display, TRANS_DDI_FUNC_CTL(display, old_crtc_state->cpu_transcoder), + TRANS_DDI_DP_VC_PAYLOAD_ALLOC, 0); + + intel_ddi_wait_for_act_sent(encoder, old_crtc_state); + drm_dp_dpcd_poll_act_handled(&intel_dp->aux, 0); + } + + intel_vrr_transcoder_disable(old_crtc_state); + + intel_ddi_disable_transcoder_func(old_crtc_state); + + for_each_pipe_crtc_modeset_disable(display, pipe_crtc, old_crtc_state, i) { + const struct intel_crtc_state *old_pipe_crtc_state = + intel_atomic_get_old_crtc_state(state, pipe_crtc); + + intel_dsc_disable(old_pipe_crtc_state); + + if (DISPLAY_VER(display) >= 9) + skl_scaler_disable(old_pipe_crtc_state); else - ilk_pfit_disable(old_crtc_state); + ilk_pfit_disable(old_pipe_crtc_state); } +} + +/* + * Note: Also called from the ->post_disable of the last active MST stream + * encoder on its primary encoder. See also the comment for + * intel_ddi_pre_enable(). + */ +static void intel_ddi_post_disable(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + if (!intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_DP_MST)) + intel_ddi_post_disable_hdmi_or_sst(state, encoder, old_crtc_state, + old_conn_state); /* * When called from DP MST code: @@ -3578,7 +3295,7 @@ static void intel_ddi_post_disable(struct intel_atomic_state *state, * be deactivated on this port, and it may not be the same * stream that was activated last, but each stream * should have a state that is identical when it comes to - * the DP link parameteres + * the DP link parameters */ if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI)) @@ -3587,51 +3304,24 @@ static void intel_ddi_post_disable(struct intel_atomic_state *state, else intel_ddi_post_disable_dp(state, encoder, old_crtc_state, old_conn_state); - - if (INTEL_GEN(dev_priv) >= 11) - icl_unmap_plls_to_ports(encoder); - - if (intel_crtc_has_dp_encoder(old_crtc_state) || is_tc_port) - intel_display_power_put_unchecked(dev_priv, - intel_ddi_main_link_aux_domain(dig_port)); - - if (is_tc_port) - intel_tc_port_put_link(dig_port); } -void intel_ddi_fdi_post_disable(struct intel_atomic_state *state, - struct intel_encoder *encoder, - const struct intel_crtc_state *old_crtc_state, - const struct drm_connector_state *old_conn_state) +/* + * Note: Also called from the ->post_pll_disable of the last active MST stream + * encoder on its primary encoder. See also the comment for + * intel_ddi_pre_enable(). + */ +static void intel_ddi_post_pll_disable(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 val; - - /* - * Bspec lists this as both step 13 (before DDI_BUF_CTL disable) - * and step 18 (after clearing PORT_CLK_SEL). Based on a BUN, - * step 13 is the correct place for it. Step 18 is where it was - * originally before the BUN. - */ - val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A)); - val &= ~FDI_RX_ENABLE; - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val); - - intel_disable_ddi_buf(encoder, old_crtc_state); - intel_ddi_clk_disable(encoder); - - val = intel_de_read(dev_priv, FDI_RX_MISC(PIPE_A)); - val &= ~(FDI_RX_PWRDN_LANE1_MASK | FDI_RX_PWRDN_LANE0_MASK); - val |= FDI_RX_PWRDN_LANE1_VAL(2) | FDI_RX_PWRDN_LANE0_VAL(2); - intel_de_write(dev_priv, FDI_RX_MISC(PIPE_A), val); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A)); - val &= ~FDI_PCDCLK; - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val); + main_link_aux_power_domain_put(dig_port, old_crtc_state); - val = intel_de_read(dev_priv, FDI_RX_CTL(PIPE_A)); - val &= ~FDI_RX_PLL_ENABLE; - intel_de_write(dev_priv, FDI_RX_CTL(PIPE_A), val); + if (intel_encoder_is_tc(encoder)) + intel_tc_port_put_link(dig_port); } static void trans_port_sync_stop_link_train(struct intel_atomic_state *state, @@ -3661,40 +3351,42 @@ static void trans_port_sync_stop_link_train(struct intel_atomic_state *state, crtc_state->cpu_transcoder) continue; - intel_dp_stop_link_train(enc_to_intel_dp(slave_encoder)); + intel_dp_stop_link_train(enc_to_intel_dp(slave_encoder), + slave_crtc_state); } usleep_range(200, 400); - intel_dp_stop_link_train(enc_to_intel_dp(encoder)); + intel_dp_stop_link_train(enc_to_intel_dp(encoder), + crtc_state); } -static void intel_enable_ddi_dp(struct intel_atomic_state *state, +static void intel_ddi_enable_dp(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); enum port port = encoder->port; - if (port == PORT_A && INTEL_GEN(dev_priv) < 9) - intel_dp_stop_link_train(intel_dp); + if (port == PORT_A && DISPLAY_VER(display) < 9) + intel_dp_stop_link_train(intel_dp, crtc_state); + drm_connector_update_privacy_screen(conn_state); intel_edp_backlight_on(crtc_state, conn_state); - intel_psr_enable(intel_dp, crtc_state, conn_state); - intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); - intel_edp_drrs_enable(intel_dp, crtc_state); - if (crtc_state->has_audio) - intel_audio_codec_enable(encoder, crtc_state, conn_state); + intel_panel_prepare(crtc_state, conn_state); + + if (!intel_lspcon_active(dig_port) || intel_dp_has_hdmi_sink(&dig_port->dp)) + intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); trans_port_sync_stop_link_train(state, encoder, crtc_state); } static i915_reg_t -gen9_chicken_trans_reg_by_port(struct drm_i915_private *dev_priv, - enum port port) +gen9_chicken_trans_reg_by_port(struct intel_display *display, enum port port) { static const enum transcoder trans[] = { [PORT_A] = TRANSCODER_EDP, @@ -3704,43 +3396,52 @@ gen9_chicken_trans_reg_by_port(struct drm_i915_private *dev_priv, [PORT_E] = TRANSCODER_A, }; - drm_WARN_ON(&dev_priv->drm, INTEL_GEN(dev_priv) < 9); + drm_WARN_ON(display->drm, DISPLAY_VER(display) < 9); - if (drm_WARN_ON(&dev_priv->drm, port < PORT_A || port > PORT_E)) + if (drm_WARN_ON(display->drm, port < PORT_A || port > PORT_E)) port = PORT_A; - return CHICKEN_TRANS(trans[port]); + return CHICKEN_TRANS(display, trans[port]); } -static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, +static void intel_ddi_enable_hdmi(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); struct drm_connector *connector = conn_state->connector; enum port port = encoder->port; + u32 buf_ctl = 0; if (!intel_hdmi_handle_sink_scrambling(encoder, connector, crtc_state->hdmi_high_tmds_clock_ratio, crtc_state->hdmi_scrambling)) - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] Failed to configure sink scrambling/TMDS bit clock ratio\n", connector->base.id, connector->name); + if (has_buf_trans_select(display)) + hsw_prepare_hdmi_ddi_buffers(encoder, crtc_state); + + /* e. Enable D2D Link for C10/C20 Phy */ + mtl_ddi_enable_d2d(encoder); + + encoder->set_signal_levels(encoder, crtc_state); + /* Display WA #1143: skl,kbl,cfl */ - if (IS_GEN9_BC(dev_priv)) { + if (DISPLAY_VER(display) == 9 && !display->platform.broxton) { /* * For some reason these chicken bits have been * stuffed into a transcoder register, event though * the bits affect a specific DDI port rather than * a specific transcoder. */ - i915_reg_t reg = gen9_chicken_trans_reg_by_port(dev_priv, port); + i915_reg_t reg = gen9_chicken_trans_reg_by_port(display, port); u32 val; - val = intel_de_read(dev_priv, reg); + val = intel_de_read(display, reg); if (port == PORT_E) val |= DDIE_TRAINING_OVERRIDE_ENABLE | @@ -3749,8 +3450,8 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, val |= DDI_TRAINING_OVERRIDE_ENABLE | DDI_TRAINING_OVERRIDE_VALUE; - intel_de_write(dev_priv, reg, val); - intel_de_posting_read(dev_priv, reg); + intel_de_write(display, reg, val); + intel_de_posting_read(display, reg); udelay(1); @@ -3761,98 +3462,161 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state, val &= ~(DDI_TRAINING_OVERRIDE_ENABLE | DDI_TRAINING_OVERRIDE_VALUE); - intel_de_write(dev_priv, reg, val); + intel_de_write(display, reg, val); } + intel_ddi_power_up_lanes(encoder, crtc_state); + /* In HDMI/DVI mode, the port width, and swing/emphasis values * are ignored so nothing special needs to be done besides * enabling the port. + * + * On ADL_P the PHY link rate and lane count must be programmed but + * these are both 0 for HDMI. + * + * But MTL onwards HDMI2.1 is supported and in TMDS mode this + * is filled with lane count, already set in the crtc_state. + * The same is required to be filled in PORT_BUF_CTL for C10/20 Phy. */ - intel_de_write(dev_priv, DDI_BUF_CTL(port), - dig_port->saved_port_bits | DDI_BUF_CTL_ENABLE); + if (dig_port->lane_reversal) + buf_ctl |= DDI_BUF_PORT_REVERSAL; + if (dig_port->ddi_a_4_lanes) + buf_ctl |= DDI_A_4_LANES; + + if (DISPLAY_VER(display) >= 14) { + u32 port_buf = 0; + + port_buf |= XELPDP_PORT_WIDTH(crtc_state->lane_count); + + if (dig_port->lane_reversal) + port_buf |= XELPDP_PORT_REVERSAL; + + intel_de_rmw(display, XELPDP_PORT_BUF_CTL1(display, port), + XELPDP_PORT_WIDTH_MASK | XELPDP_PORT_REVERSAL, port_buf); + + buf_ctl |= DDI_PORT_WIDTH(crtc_state->lane_count); + + if (DISPLAY_VER(display) >= 20) + buf_ctl |= XE2LPD_DDI_BUF_D2D_LINK_ENABLE; + } else if (display->platform.alderlake_p && intel_encoder_is_tc(encoder)) { + drm_WARN_ON(display->drm, !intel_tc_port_in_legacy_mode(dig_port)); + buf_ctl |= DDI_BUF_CTL_TC_PHY_OWNERSHIP; + } - if (crtc_state->has_audio) - intel_audio_codec_enable(encoder, crtc_state, conn_state); + intel_ddi_buf_enable(encoder, buf_ctl); } -static void intel_enable_ddi(struct intel_atomic_state *state, +static void intel_ddi_enable(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - drm_WARN_ON(state->base.dev, crtc_state->has_pch_encoder); + struct intel_display *display = to_intel_display(encoder); + struct intel_crtc *pipe_crtc; + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + bool is_hdmi = intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI); + int i; + + /* 128b/132b SST */ + if (!is_hdmi && intel_dp_is_uhbr(crtc_state)) { + const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; + u64 crtc_clock_hz = KHz(adjusted_mode->crtc_clock); + + intel_de_write(display, TRANS_DP2_VFREQHIGH(cpu_transcoder), + TRANS_DP2_VFREQ_PIXEL_CLOCK(crtc_clock_hz >> 24)); + intel_de_write(display, TRANS_DP2_VFREQLOW(cpu_transcoder), + TRANS_DP2_VFREQ_PIXEL_CLOCK(crtc_clock_hz & 0xffffff)); + } intel_ddi_enable_transcoder_func(encoder, crtc_state); - intel_enable_pipe(crtc_state); + intel_vrr_transcoder_enable(crtc_state); - intel_crtc_vblank_on(crtc_state); + /* 128b/132b SST */ + if (!is_hdmi && intel_dp_is_uhbr(crtc_state)) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) - intel_enable_ddi_hdmi(state, encoder, crtc_state, conn_state); + intel_ddi_clear_act_sent(encoder, crtc_state); + + intel_de_rmw(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder), 0, + TRANS_DDI_DP_VC_PAYLOAD_ALLOC); + + intel_ddi_wait_for_act_sent(encoder, crtc_state); + drm_dp_dpcd_poll_act_handled(&intel_dp->aux, 0); + } + + intel_enable_transcoder(crtc_state); + + intel_ddi_wait_for_fec_status(encoder, crtc_state, true); + + for_each_pipe_crtc_modeset_enable(display, pipe_crtc, crtc_state, i) { + const struct intel_crtc_state *pipe_crtc_state = + intel_atomic_get_new_crtc_state(state, pipe_crtc); + + intel_crtc_vblank_on(pipe_crtc_state); + } + + if (is_hdmi) + intel_ddi_enable_hdmi(state, encoder, crtc_state, conn_state); else - intel_enable_ddi_dp(state, encoder, crtc_state, conn_state); + intel_ddi_enable_dp(state, encoder, crtc_state, conn_state); + + intel_hdcp_enable(state, encoder, crtc_state, conn_state); - /* Enable hdcp if it's desired */ - if (conn_state->content_protection == - DRM_MODE_CONTENT_PROTECTION_DESIRED) - intel_hdcp_enable(to_intel_connector(conn_state->connector), - crtc_state->cpu_transcoder, - (u8)conn_state->hdcp_content_type); } -static void intel_disable_ddi_dp(struct intel_atomic_state *state, +static void intel_ddi_disable_dp(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_connector *connector = + to_intel_connector(old_conn_state->connector); - intel_dp->link_trained = false; + intel_dp->link.active = false; - if (old_crtc_state->has_audio) - intel_audio_codec_disable(encoder, - old_crtc_state, old_conn_state); - - intel_edp_drrs_disable(intel_dp, old_crtc_state); + intel_panel_unprepare(old_conn_state); intel_psr_disable(intel_dp, old_crtc_state); + intel_alpm_disable(intel_dp); intel_edp_backlight_off(old_conn_state); /* Disable the decompression in DP Sink */ - intel_dp_sink_set_decompression_state(intel_dp, old_crtc_state, - false); + intel_dp_sink_disable_decompression(state, + connector, old_crtc_state); + /* Disable Ignore_MSA bit in DP Sink */ + intel_dp_sink_set_msa_timing_par_ignore_state(intel_dp, old_crtc_state, + false); } -static void intel_disable_ddi_hdmi(struct intel_atomic_state *state, +static void intel_ddi_disable_hdmi(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { - struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct drm_connector *connector = old_conn_state->connector; - if (old_crtc_state->has_audio) - intel_audio_codec_disable(encoder, - old_crtc_state, old_conn_state); - if (!intel_hdmi_handle_sink_scrambling(encoder, connector, false, false)) - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "[CONNECTOR:%d:%s] Failed to reset sink scrambling/TMDS bit clock ratio\n", connector->base.id, connector->name); } -static void intel_disable_ddi(struct intel_atomic_state *state, +static void intel_ddi_disable(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *old_crtc_state, const struct drm_connector_state *old_conn_state) { + intel_tc_port_link_cancel_reset_work(enc_to_dig_port(encoder)); + intel_hdcp_disable(to_intel_connector(old_conn_state->connector)); if (intel_crtc_has_type(old_crtc_state, INTEL_OUTPUT_HDMI)) - intel_disable_ddi_hdmi(state, encoder, old_crtc_state, + intel_ddi_disable_hdmi(state, encoder, old_crtc_state, old_conn_state); else - intel_disable_ddi_dp(state, encoder, old_crtc_state, + intel_ddi_disable_dp(state, encoder, old_crtc_state, old_conn_state); } @@ -3861,148 +3625,205 @@ static void intel_ddi_update_pipe_dp(struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - intel_ddi_set_dp_msa(crtc_state, conn_state); - intel_psr_update(intel_dp, crtc_state, conn_state); intel_dp_set_infoframes(encoder, true, crtc_state, conn_state); - intel_edp_drrs_enable(intel_dp, crtc_state); - intel_panel_update_backlight(state, encoder, crtc_state, conn_state); + intel_backlight_update(state, encoder, crtc_state, conn_state); + drm_connector_update_privacy_screen(conn_state); } -static void intel_ddi_update_pipe(struct intel_atomic_state *state, - struct intel_encoder *encoder, - const struct intel_crtc_state *crtc_state, - const struct drm_connector_state *conn_state) +static void intel_ddi_update_pipe_hdmi(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + intel_hdmi_fastset_infoframes(encoder, crtc_state, conn_state); +} + +void intel_ddi_update_pipe(struct intel_atomic_state *state, + struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) { - if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + if (!intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI) && + !intel_encoder_is_mst(encoder)) intel_ddi_update_pipe_dp(state, encoder, crtc_state, conn_state); + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)) + intel_ddi_update_pipe_hdmi(encoder, crtc_state, + conn_state); + intel_hdcp_update_pipe(state, encoder, crtc_state, conn_state); } -static void -intel_ddi_update_prepare(struct intel_atomic_state *state, - struct intel_encoder *encoder, - struct intel_crtc *crtc) +void intel_ddi_update_active_dpll(struct intel_atomic_state *state, + struct intel_encoder *encoder, + struct intel_crtc *crtc) { - struct intel_crtc_state *crtc_state = - crtc ? intel_atomic_get_new_crtc_state(state, crtc) : NULL; - int required_lanes = crtc_state ? crtc_state->lane_count : 1; + struct intel_display *display = to_intel_display(encoder); + const struct intel_crtc_state *crtc_state = + intel_atomic_get_new_crtc_state(state, crtc); + struct intel_crtc *pipe_crtc; - drm_WARN_ON(state->base.dev, crtc && crtc->active); - - intel_tc_port_get_link(enc_to_dig_port(encoder), - required_lanes); - if (crtc_state && crtc_state->hw.active) - intel_update_active_dpll(state, crtc, encoder); -} + /* FIXME: Add MTL pll_mgr */ + if (DISPLAY_VER(display) >= 14 || !intel_encoder_is_tc(encoder)) + return; -static void -intel_ddi_update_complete(struct intel_atomic_state *state, - struct intel_encoder *encoder, - struct intel_crtc *crtc) -{ - intel_tc_port_put_link(enc_to_dig_port(encoder)); + for_each_intel_crtc_in_pipe_mask(display->drm, pipe_crtc, + intel_crtc_joined_pipe_mask(crtc_state)) + intel_dpll_update_active(state, pipe_crtc, encoder); } +/* + * Note: Also called from the ->pre_pll_enable of the first active MST stream + * encoder on its primary encoder. See also the comment for + * intel_ddi_pre_enable(). + */ static void intel_ddi_pre_pll_enable(struct intel_atomic_state *state, struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - bool is_tc_port = intel_phy_is_tc(dev_priv, phy); + bool is_tc_port = intel_encoder_is_tc(encoder); + + if (is_tc_port) { + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - if (is_tc_port) intel_tc_port_get_link(dig_port, crtc_state->lane_count); + intel_ddi_update_active_dpll(state, encoder, crtc); + } - if (intel_crtc_has_dp_encoder(crtc_state) || is_tc_port) - intel_display_power_get(dev_priv, - intel_ddi_main_link_aux_domain(dig_port)); + main_link_aux_power_domain_get(dig_port, crtc_state); - if (is_tc_port && dig_port->tc_mode != TC_PORT_TBT_ALT) + if (is_tc_port && !intel_tc_port_in_tbt_alt_mode(dig_port)) /* * Program the lane count for static/dynamic connections on * Type-C ports. Skip this step for TBT. */ intel_tc_port_set_fia_lane_count(dig_port, crtc_state->lane_count); - else if (IS_GEN9_LP(dev_priv)) - bxt_ddi_phy_set_lane_optim_mask(encoder, - crtc_state->lane_lat_optim_mask); + else if (display->platform.geminilake || display->platform.broxton) + bxt_dpio_phy_set_lane_optim_mask(encoder, + crtc_state->lane_lat_optim_mask); } -static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp) +static void adlp_tbt_to_dp_alt_switch_wa(struct intel_encoder *encoder) { - struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = - to_i915(intel_dig_port->base.base.dev); - enum port port = intel_dig_port->base.port; - u32 dp_tp_ctl, ddi_buf_ctl; - bool wait = false; + struct intel_display *display = to_intel_display(encoder); + enum tc_port tc_port = intel_encoder_to_tc(encoder); + int ln; - dp_tp_ctl = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl); + for (ln = 0; ln < 2; ln++) + intel_dkl_phy_rmw(display, DKL_PCS_DW5(tc_port, ln), + DKL_PCS_DW5_CORE_SOFTRESET, 0); +} - if (dp_tp_ctl & DP_TP_CTL_ENABLE) { - ddi_buf_ctl = intel_de_read(dev_priv, DDI_BUF_CTL(port)); - if (ddi_buf_ctl & DDI_BUF_CTL_ENABLE) { - intel_de_write(dev_priv, DDI_BUF_CTL(port), - ddi_buf_ctl & ~DDI_BUF_CTL_ENABLE); - wait = true; - } +static void mtl_ddi_prepare_link_retrain(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_encoder *encoder = &dig_port->base; + u32 dp_tp_ctl; - dp_tp_ctl &= ~(DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_MASK); - dp_tp_ctl |= DP_TP_CTL_LINK_TRAIN_PAT1; - intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, dp_tp_ctl); - intel_de_posting_read(dev_priv, intel_dp->regs.dp_tp_ctl); + /* + * TODO: To train with only a different voltage swing entry is not + * necessary disable and enable port + */ + dp_tp_ctl = intel_de_read(display, dp_tp_ctl_reg(encoder, crtc_state)); - if (wait) - intel_wait_ddi_buf_idle(dev_priv, port); - } + drm_WARN_ON(display->drm, dp_tp_ctl & DP_TP_CTL_ENABLE); - dp_tp_ctl = DP_TP_CTL_ENABLE | - DP_TP_CTL_LINK_TRAIN_PAT1 | DP_TP_CTL_SCRAMBLE_DISABLE; - if (intel_dp->link_mst) + /* 6.d Configure and enable DP_TP_CTL with link training pattern 1 selected */ + dp_tp_ctl = DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_PAT1; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) || + intel_dp_is_uhbr(crtc_state)) { dp_tp_ctl |= DP_TP_CTL_MODE_MST; - else { + } else { dp_tp_ctl |= DP_TP_CTL_MODE_SST; - if (drm_dp_enhanced_frame_cap(intel_dp->dpcd)) + if (crtc_state->enhanced_framing) dp_tp_ctl |= DP_TP_CTL_ENHANCED_FRAME_ENABLE; } - intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, dp_tp_ctl); - intel_de_posting_read(dev_priv, intel_dp->regs.dp_tp_ctl); + intel_de_write(display, dp_tp_ctl_reg(encoder, crtc_state), dp_tp_ctl); + intel_de_posting_read(display, dp_tp_ctl_reg(encoder, crtc_state)); + + /* 6.f Enable D2D Link */ + mtl_ddi_enable_d2d(encoder); + /* 6.g Configure voltage swing and related IO settings */ + encoder->set_signal_levels(encoder, crtc_state); + + /* 6.h Configure PORT_BUF_CTL1 */ + mtl_port_buf_ctl_program(encoder, crtc_state); + + /* 6.i Configure and enable DDI_CTL_DE to start sending valid data to port slice */ + if (DISPLAY_VER(display) >= 20) + intel_dp->DP |= XE2LPD_DDI_BUF_D2D_LINK_ENABLE; + + intel_ddi_buf_enable(encoder, intel_dp->DP); intel_dp->DP |= DDI_BUF_CTL_ENABLE; - intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP); - intel_de_posting_read(dev_priv, DDI_BUF_CTL(port)); - udelay(600); + /* + * 6.k If AUX-Less ALPM is going to be enabled: + * i. Configure PORT_ALPM_CTL and PORT_ALPM_LFPS_CTL here + */ + intel_alpm_port_configure(intel_dp, crtc_state); + + /* + * ii. Enable MAC Transmits LFPS in the "PHY Common Control 0" PIPE + * register + */ + intel_lnl_mac_transmit_lfps(encoder, crtc_state); +} + +static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(intel_dp); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct intel_encoder *encoder = &dig_port->base; + u32 dp_tp_ctl; + + dp_tp_ctl = intel_de_read(display, dp_tp_ctl_reg(encoder, crtc_state)); + + drm_WARN_ON(display->drm, dp_tp_ctl & DP_TP_CTL_ENABLE); + + dp_tp_ctl = DP_TP_CTL_ENABLE | DP_TP_CTL_LINK_TRAIN_PAT1; + if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST) || + intel_dp_is_uhbr(crtc_state)) { + dp_tp_ctl |= DP_TP_CTL_MODE_MST; + } else { + dp_tp_ctl |= DP_TP_CTL_MODE_SST; + if (crtc_state->enhanced_framing) + dp_tp_ctl |= DP_TP_CTL_ENHANCED_FRAME_ENABLE; + } + intel_de_write(display, dp_tp_ctl_reg(encoder, crtc_state), dp_tp_ctl); + intel_de_posting_read(display, dp_tp_ctl_reg(encoder, crtc_state)); + + if (display->platform.alderlake_p && + (intel_tc_port_in_dp_alt_mode(dig_port) || intel_tc_port_in_legacy_mode(dig_port))) + adlp_tbt_to_dp_alt_switch_wa(encoder); + + intel_ddi_buf_enable(encoder, intel_dp->DP); + intel_dp->DP |= DDI_BUF_CTL_ENABLE; } static void intel_ddi_set_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, u8 dp_train_pat) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u8 train_pat_mask = drm_dp_training_pattern_mask(intel_dp->dpcd); - enum port port = dp_to_dig_port(intel_dp)->base.port; + struct intel_display *display = to_intel_display(intel_dp); + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; u32 temp; - temp = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl); - - if (dp_train_pat & DP_LINK_SCRAMBLING_DISABLE) - temp |= DP_TP_CTL_SCRAMBLE_DISABLE; - else - temp &= ~DP_TP_CTL_SCRAMBLE_DISABLE; + temp = intel_de_read(display, dp_tp_ctl_reg(encoder, crtc_state)); temp &= ~DP_TP_CTL_LINK_TRAIN_MASK; - switch (dp_train_pat & train_pat_mask) { + switch (intel_dp_training_pattern_symbol(dp_train_pat)) { case DP_TRAINING_PATTERN_DISABLE: temp |= DP_TP_CTL_LINK_TRAIN_NORMAL; break; @@ -4020,23 +3841,18 @@ static void intel_ddi_set_link_train(struct intel_dp *intel_dp, break; } - intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, temp); - - intel_de_write(dev_priv, DDI_BUF_CTL(port), intel_dp->DP); - intel_de_posting_read(dev_priv, DDI_BUF_CTL(port)); + intel_de_write(display, dp_tp_ctl_reg(encoder, crtc_state), temp); } -static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp) +static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; - u32 val; - val = intel_de_read(dev_priv, intel_dp->regs.dp_tp_ctl); - val &= ~DP_TP_CTL_LINK_TRAIN_MASK; - val |= DP_TP_CTL_LINK_TRAIN_IDLE; - intel_de_write(dev_priv, intel_dp->regs.dp_tp_ctl, val); + intel_de_rmw(display, dp_tp_ctl_reg(encoder, crtc_state), + DP_TP_CTL_LINK_TRAIN_MASK, DP_TP_CTL_LINK_TRAIN_IDLE); /* * Until TGL on PORT_A we can have only eDP in SST mode. There the only @@ -4045,55 +3861,83 @@ static void intel_ddi_set_idle_link_train(struct intel_dp *intel_dp) * In this case there is requirement to wait for a minimum number of * idle patterns to be sent. */ - if (port == PORT_A && INTEL_GEN(dev_priv) < 12) + if (port == PORT_A && DISPLAY_VER(display) < 12) return; - if (intel_de_wait_for_set(dev_priv, intel_dp->regs.dp_tp_status, - DP_TP_STATUS_IDLE_DONE, 1)) - drm_err(&dev_priv->drm, + if (intel_de_wait_for_set_ms(display, + dp_tp_status_reg(encoder, crtc_state), + DP_TP_STATUS_IDLE_DONE, 2)) + drm_err(display->drm, "Timed out waiting for DP idle patterns\n"); } -static bool intel_ddi_is_audio_enabled(struct drm_i915_private *dev_priv, +static bool intel_ddi_is_audio_enabled(struct intel_display *display, enum transcoder cpu_transcoder) { if (cpu_transcoder == TRANSCODER_EDP) return false; - if (!intel_display_power_is_enabled(dev_priv, POWER_DOMAIN_AUDIO)) + if (!intel_display_power_is_enabled(display, POWER_DOMAIN_AUDIO_MMIO)) return false; - return intel_de_read(dev_priv, HSW_AUD_PIN_ELD_CP_VLD) & + return intel_de_read(display, HSW_AUD_PIN_ELD_CP_VLD) & AUDIO_OUTPUT_ENABLE(cpu_transcoder); } -void intel_ddi_compute_min_voltage_level(struct drm_i915_private *dev_priv, - struct intel_crtc_state *crtc_state) +static int tgl_ddi_min_voltage_level(const struct intel_crtc_state *crtc_state) +{ + if (crtc_state->port_clock > 594000) + return 2; + else + return 0; +} + +static int jsl_ddi_min_voltage_level(const struct intel_crtc_state *crtc_state) +{ + if (crtc_state->port_clock > 594000) + return 3; + else + return 0; +} + +static int icl_ddi_min_voltage_level(const struct intel_crtc_state *crtc_state) +{ + if (crtc_state->port_clock > 594000) + return 1; + else + return 0; +} + +void intel_ddi_compute_min_voltage_level(struct intel_crtc_state *crtc_state) { - if (INTEL_GEN(dev_priv) >= 12 && crtc_state->port_clock > 594000) - crtc_state->min_voltage_level = 2; - else if (IS_ELKHARTLAKE(dev_priv) && crtc_state->port_clock > 594000) - crtc_state->min_voltage_level = 3; - else if (INTEL_GEN(dev_priv) >= 11 && crtc_state->port_clock > 594000) - crtc_state->min_voltage_level = 1; - else if (IS_CANNONLAKE(dev_priv) && crtc_state->port_clock > 594000) - crtc_state->min_voltage_level = 2; + struct intel_display *display = to_intel_display(crtc_state); + + if (DISPLAY_VER(display) >= 14) + crtc_state->min_voltage_level = icl_ddi_min_voltage_level(crtc_state); + else if (DISPLAY_VER(display) >= 12) + crtc_state->min_voltage_level = tgl_ddi_min_voltage_level(crtc_state); + else if (display->platform.jasperlake || display->platform.elkhartlake) + crtc_state->min_voltage_level = jsl_ddi_min_voltage_level(crtc_state); + else if (DISPLAY_VER(display) >= 11) + crtc_state->min_voltage_level = icl_ddi_min_voltage_level(crtc_state); } -static enum transcoder bdw_transcoder_master_readout(struct drm_i915_private *dev_priv, +static enum transcoder bdw_transcoder_master_readout(struct intel_display *display, enum transcoder cpu_transcoder) { u32 master_select; - if (INTEL_GEN(dev_priv) >= 11) { - u32 ctl2 = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL2(cpu_transcoder)); + if (DISPLAY_VER(display) >= 11) { + u32 ctl2 = intel_de_read(display, + TRANS_DDI_FUNC_CTL2(display, cpu_transcoder)); if ((ctl2 & PORT_SYNC_MODE_ENABLE) == 0) return INVALID_TRANSCODER; master_select = REG_FIELD_GET(PORT_SYNC_MODE_MASTER_SELECT_MASK, ctl2); } else { - u32 ctl = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); + u32 ctl = intel_de_read(display, + TRANS_DDI_FUNC_CTL(display, cpu_transcoder)); if ((ctl & TRANS_DDI_PORT_SYNC_ENABLE) == 0) return INVALID_TRANSCODER; @@ -4109,70 +3953,171 @@ static enum transcoder bdw_transcoder_master_readout(struct drm_i915_private *de static void bdw_get_trans_port_sync_config(struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = to_i915(crtc_state->uapi.crtc->dev); + struct intel_display *display = to_intel_display(crtc_state); u32 transcoders = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C) | BIT(TRANSCODER_D); enum transcoder cpu_transcoder; crtc_state->master_transcoder = - bdw_transcoder_master_readout(dev_priv, crtc_state->cpu_transcoder); + bdw_transcoder_master_readout(display, crtc_state->cpu_transcoder); - for_each_cpu_transcoder_masked(dev_priv, cpu_transcoder, transcoders) { + for_each_cpu_transcoder_masked(display, cpu_transcoder, transcoders) { enum intel_display_power_domain power_domain; intel_wakeref_t trans_wakeref; power_domain = POWER_DOMAIN_TRANSCODER(cpu_transcoder); - trans_wakeref = intel_display_power_get_if_enabled(dev_priv, + trans_wakeref = intel_display_power_get_if_enabled(display, power_domain); if (!trans_wakeref) continue; - if (bdw_transcoder_master_readout(dev_priv, cpu_transcoder) == + if (bdw_transcoder_master_readout(display, cpu_transcoder) == crtc_state->cpu_transcoder) crtc_state->sync_mode_slaves_mask |= BIT(cpu_transcoder); - intel_display_power_put(dev_priv, power_domain, trans_wakeref); + intel_display_power_put(display, power_domain, trans_wakeref); } - drm_WARN_ON(&dev_priv->drm, + drm_WARN_ON(display->drm, crtc_state->master_transcoder != INVALID_TRANSCODER && crtc_state->sync_mode_slaves_mask); } -void intel_ddi_get_config(struct intel_encoder *encoder, - struct intel_crtc_state *pipe_config) +static void intel_ddi_read_func_ctl_dvi(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + u32 ddi_func_ctl) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->uapi.crtc); - enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - u32 temp, flags = 0; + struct intel_display *display = to_intel_display(encoder); - /* XXX: DSI transcoder paranoia */ - if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder))) - return; + crtc_state->output_types |= BIT(INTEL_OUTPUT_HDMI); + if (DISPLAY_VER(display) >= 14) + crtc_state->lane_count = + ((ddi_func_ctl & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; + else + crtc_state->lane_count = 4; +} - if (INTEL_GEN(dev_priv) >= 12) { - intel_dp->regs.dp_tp_ctl = TGL_DP_TP_CTL(cpu_transcoder); - intel_dp->regs.dp_tp_status = TGL_DP_TP_STATUS(cpu_transcoder); - } +static void intel_ddi_read_func_ctl_hdmi(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + u32 ddi_func_ctl) +{ + crtc_state->has_hdmi_sink = true; + + crtc_state->infoframes.enable |= + intel_hdmi_infoframes_enabled(encoder, crtc_state); - intel_dsc_get_config(encoder, pipe_config); + if (crtc_state->infoframes.enable) + crtc_state->has_infoframe = true; - temp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); - if (temp & TRANS_DDI_PHSYNC) + if (ddi_func_ctl & TRANS_DDI_HDMI_SCRAMBLING) + crtc_state->hdmi_scrambling = true; + if (ddi_func_ctl & TRANS_DDI_HIGH_TMDS_CHAR_RATE) + crtc_state->hdmi_high_tmds_clock_ratio = true; + + intel_ddi_read_func_ctl_dvi(encoder, crtc_state, ddi_func_ctl); +} + +static void intel_ddi_read_func_ctl_fdi(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + u32 ddi_func_ctl) +{ + struct intel_display *display = to_intel_display(encoder); + + crtc_state->output_types |= BIT(INTEL_OUTPUT_ANALOG); + crtc_state->enhanced_framing = + intel_de_read(display, dp_tp_ctl_reg(encoder, crtc_state)) & + DP_TP_CTL_ENHANCED_FRAME_ENABLE; +} + +static void intel_ddi_read_func_ctl_dp_sst(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + u32 ddi_func_ctl) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + + if (encoder->type == INTEL_OUTPUT_EDP) + crtc_state->output_types |= BIT(INTEL_OUTPUT_EDP); + else + crtc_state->output_types |= BIT(INTEL_OUTPUT_DP); + crtc_state->lane_count = + ((ddi_func_ctl & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; + + if (DISPLAY_VER(display) >= 12 && + (ddi_func_ctl & TRANS_DDI_MODE_SELECT_MASK) == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B) + crtc_state->mst_master_transcoder = + REG_FIELD_GET(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, ddi_func_ctl); + + intel_cpu_transcoder_get_m1_n1(crtc, cpu_transcoder, &crtc_state->dp_m_n); + intel_cpu_transcoder_get_m2_n2(crtc, cpu_transcoder, &crtc_state->dp_m2_n2); + + crtc_state->enhanced_framing = + intel_de_read(display, dp_tp_ctl_reg(encoder, crtc_state)) & + DP_TP_CTL_ENHANCED_FRAME_ENABLE; + + if (DISPLAY_VER(display) >= 11) + crtc_state->fec_enable = + intel_de_read(display, + dp_tp_ctl_reg(encoder, crtc_state)) & DP_TP_CTL_FEC_ENABLE; + + if (intel_lspcon_active(dig_port) && intel_dp_has_hdmi_sink(&dig_port->dp)) + crtc_state->infoframes.enable |= + intel_lspcon_infoframes_enabled(encoder, crtc_state); + else + crtc_state->infoframes.enable |= + intel_hdmi_infoframes_enabled(encoder, crtc_state); +} + +static void intel_ddi_read_func_ctl_dp_mst(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + u32 ddi_func_ctl) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; + + crtc_state->output_types |= BIT(INTEL_OUTPUT_DP_MST); + crtc_state->lane_count = + ((ddi_func_ctl & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; + + if (DISPLAY_VER(display) >= 12) + crtc_state->mst_master_transcoder = + REG_FIELD_GET(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, ddi_func_ctl); + + intel_cpu_transcoder_get_m1_n1(crtc, cpu_transcoder, &crtc_state->dp_m_n); + + if (DISPLAY_VER(display) >= 11) + crtc_state->fec_enable = + intel_de_read(display, + dp_tp_ctl_reg(encoder, crtc_state)) & DP_TP_CTL_FEC_ENABLE; + + crtc_state->infoframes.enable |= + intel_hdmi_infoframes_enabled(encoder, crtc_state); +} + +static void intel_ddi_read_func_ctl(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config) +{ + struct intel_display *display = to_intel_display(encoder); + enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; + u32 ddi_func_ctl, ddi_mode, flags = 0; + + ddi_func_ctl = intel_de_read(display, TRANS_DDI_FUNC_CTL(display, cpu_transcoder)); + if (ddi_func_ctl & TRANS_DDI_PHSYNC) flags |= DRM_MODE_FLAG_PHSYNC; else flags |= DRM_MODE_FLAG_NHSYNC; - if (temp & TRANS_DDI_PVSYNC) + if (ddi_func_ctl & TRANS_DDI_PVSYNC) flags |= DRM_MODE_FLAG_PVSYNC; else flags |= DRM_MODE_FLAG_NVSYNC; pipe_config->hw.adjusted_mode.flags |= flags; - switch (temp & TRANS_DDI_BPC_MASK) { + switch (ddi_func_ctl & TRANS_DDI_BPC_MASK) { case TRANS_DDI_BPC_6: pipe_config->pipe_bpp = 18; break; @@ -4189,107 +4134,64 @@ void intel_ddi_get_config(struct intel_encoder *encoder, break; } - switch (temp & TRANS_DDI_MODE_SELECT_MASK) { - case TRANS_DDI_MODE_SELECT_HDMI: - pipe_config->has_hdmi_sink = true; - - pipe_config->infoframes.enable |= - intel_hdmi_infoframes_enabled(encoder, pipe_config); - - if (pipe_config->infoframes.enable) - pipe_config->has_infoframe = true; + ddi_mode = ddi_func_ctl & TRANS_DDI_MODE_SELECT_MASK; + + if (ddi_mode == TRANS_DDI_MODE_SELECT_HDMI) { + intel_ddi_read_func_ctl_hdmi(encoder, pipe_config, ddi_func_ctl); + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_DVI) { + intel_ddi_read_func_ctl_dvi(encoder, pipe_config, ddi_func_ctl); + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B && !HAS_DP20(display)) { + intel_ddi_read_func_ctl_fdi(encoder, pipe_config, ddi_func_ctl); + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_DP_SST) { + intel_ddi_read_func_ctl_dp_sst(encoder, pipe_config, ddi_func_ctl); + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_DP_MST) { + intel_ddi_read_func_ctl_dp_mst(encoder, pipe_config, ddi_func_ctl); + } else if (ddi_mode == TRANS_DDI_MODE_SELECT_FDI_OR_128B132B && HAS_DP20(display)) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - if (temp & TRANS_DDI_HDMI_SCRAMBLING) - pipe_config->hdmi_scrambling = true; - if (temp & TRANS_DDI_HIGH_TMDS_CHAR_RATE) - pipe_config->hdmi_high_tmds_clock_ratio = true; - /* fall through */ - case TRANS_DDI_MODE_SELECT_DVI: - pipe_config->output_types |= BIT(INTEL_OUTPUT_HDMI); - pipe_config->lane_count = 4; - break; - case TRANS_DDI_MODE_SELECT_FDI: - pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG); - break; - case TRANS_DDI_MODE_SELECT_DP_SST: - if (encoder->type == INTEL_OUTPUT_EDP) - pipe_config->output_types |= BIT(INTEL_OUTPUT_EDP); + /* + * If this is true, we know we're being called from mst stream + * encoder's ->get_config(). + */ + if (intel_dp_mst_active_streams(intel_dp)) + intel_ddi_read_func_ctl_dp_mst(encoder, pipe_config, ddi_func_ctl); else - pipe_config->output_types |= BIT(INTEL_OUTPUT_DP); - pipe_config->lane_count = - ((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; - intel_dp_get_m_n(intel_crtc, pipe_config); - - if (INTEL_GEN(dev_priv) >= 11) { - i915_reg_t dp_tp_ctl; - - if (IS_GEN(dev_priv, 11)) - dp_tp_ctl = DP_TP_CTL(encoder->port); - else - dp_tp_ctl = TGL_DP_TP_CTL(pipe_config->cpu_transcoder); - - pipe_config->fec_enable = - intel_de_read(dev_priv, dp_tp_ctl) & DP_TP_CTL_FEC_ENABLE; - - drm_dbg_kms(&dev_priv->drm, - "[ENCODER:%d:%s] Fec status: %u\n", - encoder->base.base.id, encoder->base.name, - pipe_config->fec_enable); - } + intel_ddi_read_func_ctl_dp_sst(encoder, pipe_config, ddi_func_ctl); + } +} - pipe_config->infoframes.enable |= - intel_hdmi_infoframes_enabled(encoder, pipe_config); +/* + * Note: Also called from the ->get_config of the MST stream encoders on their + * primary encoder, via the platform specific hooks here. See also the comment + * for intel_ddi_pre_enable(). + */ +static void intel_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *pipe_config) +{ + struct intel_display *display = to_intel_display(encoder); + enum transcoder cpu_transcoder = pipe_config->cpu_transcoder; - break; - case TRANS_DDI_MODE_SELECT_DP_MST: - pipe_config->output_types |= BIT(INTEL_OUTPUT_DP_MST); - pipe_config->lane_count = - ((temp & DDI_PORT_WIDTH_MASK) >> DDI_PORT_WIDTH_SHIFT) + 1; + /* XXX: DSI transcoder paranoia */ + if (drm_WARN_ON(display->drm, transcoder_is_dsi(cpu_transcoder))) + return; - if (INTEL_GEN(dev_priv) >= 12) - pipe_config->mst_master_transcoder = - REG_FIELD_GET(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, temp); + intel_ddi_read_func_ctl(encoder, pipe_config); - intel_dp_get_m_n(intel_crtc, pipe_config); - - pipe_config->infoframes.enable |= - intel_hdmi_infoframes_enabled(encoder, pipe_config); - break; - default: - break; - } + intel_ddi_mso_get_config(encoder, pipe_config); pipe_config->has_audio = - intel_ddi_is_audio_enabled(dev_priv, cpu_transcoder); + intel_ddi_is_audio_enabled(display, cpu_transcoder); - if (encoder->type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.bpp && - pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) { - /* - * This is a big fat ugly hack. - * - * Some machines in UEFI boot mode provide us a VBT that has 18 - * bpp and 1.62 GHz link bandwidth for eDP, which for reasons - * unknown we fail to light up. Yet the same BIOS boots up with - * 24 bpp and 2.7 GHz link. Use the same bpp as the BIOS uses as - * max, not what it tells us to use. - * - * Note: This will still be broken if the eDP panel is not lit - * up by the BIOS, and thus we can't get the mode at module - * load. - */ - drm_dbg_kms(&dev_priv->drm, - "pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n", - pipe_config->pipe_bpp, dev_priv->vbt.edp.bpp); - dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp; - } + if (encoder->type == INTEL_OUTPUT_EDP) + intel_edp_fixup_vbt_bpp(encoder, pipe_config->pipe_bpp); - intel_ddi_clock_get(encoder, pipe_config); + ddi_dotclock_get(pipe_config); - if (IS_GEN9_LP(dev_priv)) + if (display->platform.geminilake || display->platform.broxton) pipe_config->lane_lat_optim_mask = - bxt_ddi_phy_get_lane_lat_optim_mask(encoder); + bxt_dpio_phy_get_lane_lat_optim_mask(encoder); - intel_ddi_compute_min_voltage_level(dev_priv, pipe_config); + intel_ddi_compute_min_voltage_level(pipe_config); intel_hdmi_read_gcp_infoframe(encoder, pipe_config); @@ -4306,11 +4208,224 @@ void intel_ddi_get_config(struct intel_encoder *encoder, HDMI_INFOFRAME_TYPE_DRM, &pipe_config->infoframes.drm); - if (INTEL_GEN(dev_priv) >= 8) + if (DISPLAY_VER(display) >= 8) bdw_get_trans_port_sync_config(pipe_config); + intel_psr_get_config(encoder, pipe_config); + intel_read_dp_sdp(encoder, pipe_config, HDMI_PACKET_TYPE_GAMUT_METADATA); intel_read_dp_sdp(encoder, pipe_config, DP_SDP_VSC); + intel_read_dp_sdp(encoder, pipe_config, DP_SDP_ADAPTIVE_SYNC); + + intel_audio_codec_get_config(encoder, pipe_config); +} + +void intel_ddi_get_clock(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + struct intel_dpll *pll) +{ + struct intel_display *display = to_intel_display(encoder); + enum icl_port_dpll_id port_dpll_id = ICL_PORT_DPLL_DEFAULT; + struct icl_port_dpll *port_dpll = &crtc_state->icl_port_dplls[port_dpll_id]; + bool pll_active; + + if (drm_WARN_ON(display->drm, !pll)) + return; + + port_dpll->pll = pll; + pll_active = intel_dpll_get_hw_state(display, pll, &port_dpll->hw_state); + drm_WARN_ON(display->drm, !pll_active); + + icl_set_active_port_dpll(crtc_state, port_dpll_id); + + crtc_state->port_clock = intel_dpll_get_freq(display, crtc_state->intel_dpll, + &crtc_state->dpll_hw_state); +} + +static void xe3plpd_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_lt_phy_pll_readout_hw_state(encoder, crtc_state, &crtc_state->dpll_hw_state.ltpll); + + if (crtc_state->dpll_hw_state.ltpll.tbt_mode) + crtc_state->port_clock = intel_mtl_tbt_calc_port_clock(encoder); + else + crtc_state->port_clock = + intel_lt_phy_calc_port_clock(encoder, crtc_state); + intel_ddi_get_config(encoder, crtc_state); +} + +static void mtl_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_cx0pll_readout_hw_state(encoder, &crtc_state->dpll_hw_state.cx0pll); + + if (crtc_state->dpll_hw_state.cx0pll.tbt_mode) + crtc_state->port_clock = intel_mtl_tbt_calc_port_clock(encoder); + else + crtc_state->port_clock = intel_cx0pll_calc_port_clock(encoder, &crtc_state->dpll_hw_state.cx0pll); + + intel_ddi_get_config(encoder, crtc_state); +} + +static void dg2_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_mpllb_readout_hw_state(encoder, &crtc_state->dpll_hw_state.mpllb); + crtc_state->port_clock = intel_mpllb_calc_port_clock(encoder, &crtc_state->dpll_hw_state.mpllb); + + intel_ddi_get_config(encoder, crtc_state); +} + +static void adls_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, adls_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void rkl_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, rkl_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void dg1_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, dg1_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void icl_ddi_combo_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, icl_ddi_combo_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static bool icl_ddi_tc_pll_is_tbt(const struct intel_dpll *pll) +{ + return pll->info->id == DPLL_ID_ICL_TBTPLL; +} + +static enum icl_port_dpll_id +icl_ddi_tc_port_pll_type(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + const struct intel_dpll *pll = crtc_state->intel_dpll; + + if (drm_WARN_ON(display->drm, !pll)) + return ICL_PORT_DPLL_DEFAULT; + + if (icl_ddi_tc_pll_is_tbt(pll)) + return ICL_PORT_DPLL_DEFAULT; + else + return ICL_PORT_DPLL_MG_PHY; +} + +enum icl_port_dpll_id +intel_ddi_port_pll_type(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + if (!encoder->port_pll_type) + return ICL_PORT_DPLL_DEFAULT; + + return encoder->port_pll_type(encoder, crtc_state); +} + +static void icl_ddi_tc_get_clock(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state, + struct intel_dpll *pll) +{ + struct intel_display *display = to_intel_display(encoder); + enum icl_port_dpll_id port_dpll_id; + struct icl_port_dpll *port_dpll; + bool pll_active; + + if (drm_WARN_ON(display->drm, !pll)) + return; + + if (icl_ddi_tc_pll_is_tbt(pll)) + port_dpll_id = ICL_PORT_DPLL_DEFAULT; + else + port_dpll_id = ICL_PORT_DPLL_MG_PHY; + + port_dpll = &crtc_state->icl_port_dplls[port_dpll_id]; + + port_dpll->pll = pll; + pll_active = intel_dpll_get_hw_state(display, pll, &port_dpll->hw_state); + drm_WARN_ON(display->drm, !pll_active); + + icl_set_active_port_dpll(crtc_state, port_dpll_id); + + if (icl_ddi_tc_pll_is_tbt(crtc_state->intel_dpll)) + crtc_state->port_clock = icl_calc_tbt_pll_link(display, encoder->port); + else + crtc_state->port_clock = intel_dpll_get_freq(display, crtc_state->intel_dpll, + &crtc_state->dpll_hw_state); +} + +static void icl_ddi_tc_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + icl_ddi_tc_get_clock(encoder, crtc_state, icl_ddi_tc_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void bxt_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, bxt_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void skl_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, skl_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +void hsw_ddi_get_config(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + intel_ddi_get_clock(encoder, crtc_state, hsw_ddi_get_pll(encoder)); + intel_ddi_get_config(encoder, crtc_state); +} + +static void intel_ddi_sync_state(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + if (intel_encoder_is_tc(encoder)) + intel_tc_port_sanitize_mode(enc_to_dig_port(encoder), + crtc_state); + + if ((crtc_state && intel_crtc_has_dp_encoder(crtc_state)) || + (!crtc_state && intel_encoder_is_dp(encoder))) + intel_dp_sync_state(encoder, crtc_state); +} + +static bool intel_ddi_initial_fastset_check(struct intel_encoder *encoder, + struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(encoder); + bool fastset = true; + + if (intel_encoder_is_tc(encoder)) { + drm_dbg_kms(display->drm, "[ENCODER:%d:%s] Forcing full modeset to compute TC port DPLLs\n", + encoder->base.base.id, encoder->base.name); + crtc_state->uapi.mode_changed = true; + fastset = false; + } + + if (intel_crtc_has_dp_encoder(crtc_state) && + !intel_dp_initial_fastset_check(encoder, crtc_state)) + fastset = false; + + return fastset; } static enum intel_output_type @@ -4335,15 +4450,18 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config, struct drm_connector_state *conn_state) { + struct intel_display *display = to_intel_display(encoder); struct intel_crtc *crtc = to_intel_crtc(pipe_config->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum port port = encoder->port; int ret; - if (HAS_TRANSCODER(dev_priv, TRANSCODER_EDP) && port == PORT_A) + if (HAS_TRANSCODER(display, TRANSCODER_EDP) && port == PORT_A) pipe_config->cpu_transcoder = TRANSCODER_EDP; if (intel_crtc_has_type(pipe_config, INTEL_OUTPUT_HDMI)) { + pipe_config->has_hdmi_sink = + intel_hdmi_compute_has_hdmi_sink(encoder, pipe_config, conn_state); + ret = intel_hdmi_compute_config(encoder, pipe_config, conn_state); } else { ret = intel_dp_compute_config(encoder, pipe_config, conn_state); @@ -4352,17 +4470,17 @@ static int intel_ddi_compute_config(struct intel_encoder *encoder, if (ret) return ret; - if (IS_HASWELL(dev_priv) && crtc->pipe == PIPE_A && + if (display->platform.haswell && crtc->pipe == PIPE_A && pipe_config->cpu_transcoder == TRANSCODER_EDP) pipe_config->pch_pfit.force_thru = pipe_config->pch_pfit.enabled || pipe_config->crc_enabled; - if (IS_GEN9_LP(dev_priv)) + if (display->platform.geminilake || display->platform.broxton) pipe_config->lane_lat_optim_mask = - bxt_ddi_phy_calc_lane_lat_optim_mask(pipe_config->lane_count); + bxt_dpio_phy_calc_lane_lat_optim_mask(pipe_config->lane_count); - intel_ddi_compute_min_voltage_level(dev_priv, pipe_config); + intel_ddi_compute_min_voltage_level(pipe_config); return 0; } @@ -4381,8 +4499,8 @@ static bool m_n_equal(const struct intel_link_m_n *m_n_1, const struct intel_link_m_n *m_n_2) { return m_n_1->tu == m_n_2->tu && - m_n_1->gmch_m == m_n_2->gmch_m && - m_n_1->gmch_n == m_n_2->gmch_n && + m_n_1->data_m == m_n_2->data_m && + m_n_1->data_n == m_n_2->data_n && m_n_1->link_m == m_n_2->link_m && m_n_1->link_n == m_n_2->link_n; } @@ -4390,7 +4508,12 @@ static bool m_n_equal(const struct intel_link_m_n *m_n_1, static bool crtcs_port_sync_compatible(const struct intel_crtc_state *crtc_state1, const struct intel_crtc_state *crtc_state2) { + /* + * FIXME the modeset sequence is currently wrong and + * can't deal with joiner + port sync at the same time. + */ return crtc_state1->hw.active && crtc_state2->hw.active && + !crtc_state1->joiner_pipes && !crtc_state2->joiner_pipes && crtc_state1->output_types == crtc_state2->output_types && crtc_state1->output_format == crtc_state2->output_format && crtc_state1->lane_count == crtc_state2->lane_count && @@ -4404,9 +4527,9 @@ static u8 intel_ddi_port_sync_transcoders(const struct intel_crtc_state *ref_crtc_state, int tile_group_id) { + struct intel_display *display = to_intel_display(ref_crtc_state); struct drm_connector *connector; const struct drm_connector_state *conn_state; - struct drm_i915_private *dev_priv = to_i915(ref_crtc_state->uapi.crtc->dev); struct intel_atomic_state *state = to_intel_atomic_state(ref_crtc_state->uapi.state); u8 transcoders = 0; @@ -4416,7 +4539,7 @@ intel_ddi_port_sync_transcoders(const struct intel_crtc_state *ref_crtc_state, * We don't enable port sync on BDW due to missing w/as and * due to not having adjusted the modeset sequence appropriately. */ - if (INTEL_GEN(dev_priv) < 9) + if (DISPLAY_VER(display) < 9) return 0; if (!intel_crtc_has_type(ref_crtc_state, INTEL_OUTPUT_DP)) @@ -4448,11 +4571,18 @@ static int intel_ddi_compute_config_late(struct intel_encoder *encoder, struct intel_crtc_state *crtc_state, struct drm_connector_state *conn_state) { - struct drm_i915_private *i915 = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct drm_connector *connector = conn_state->connector; u8 port_sync_transcoders = 0; + int ret = 0; + + if (intel_crtc_has_dp_encoder(crtc_state)) + ret = intel_dp_compute_config_late(encoder, crtc_state, conn_state); - drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s] [CRTC:%d:%s]", + if (ret) + return ret; + + drm_dbg_kms(display->drm, "[ENCODER:%d:%s] [CRTC:%d:%s]\n", encoder->base.base.id, encoder->base.name, crtc_state->uapi.crtc->base.id, crtc_state->uapi.crtc->name); @@ -4480,106 +4610,106 @@ static int intel_ddi_compute_config_late(struct intel_encoder *encoder, static void intel_ddi_encoder_destroy(struct drm_encoder *encoder) { + struct intel_display *display = to_intel_display(encoder->dev); struct intel_digital_port *dig_port = enc_to_dig_port(to_intel_encoder(encoder)); intel_dp_encoder_flush_work(encoder); + if (intel_encoder_is_tc(&dig_port->base)) + intel_tc_port_cleanup(dig_port); + intel_display_power_flush_work(display); drm_encoder_cleanup(encoder); + kfree(dig_port->hdcp.port_data.streams); kfree(dig_port); } +static void intel_ddi_encoder_reset(struct drm_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(to_intel_encoder(encoder)); + struct intel_digital_port *dig_port = enc_to_dig_port(to_intel_encoder(encoder)); + + intel_dp->reset_link_params = true; + intel_dp_invalidate_source_oui(intel_dp); + + intel_pps_encoder_reset(intel_dp); + + if (intel_encoder_is_tc(&dig_port->base)) + intel_tc_port_init_mode(dig_port); +} + +static int intel_ddi_encoder_late_register(struct drm_encoder *_encoder) +{ + struct intel_encoder *encoder = to_intel_encoder(_encoder); + + intel_tc_port_link_reset(enc_to_dig_port(encoder)); + + return 0; +} + static const struct drm_encoder_funcs intel_ddi_funcs = { - .reset = intel_dp_encoder_reset, + .reset = intel_ddi_encoder_reset, .destroy = intel_ddi_encoder_destroy, + .late_register = intel_ddi_encoder_late_register, }; -static struct intel_connector * -intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port) +static int intel_ddi_init_dp_connector(struct intel_digital_port *dig_port) { - struct drm_i915_private *dev_priv = to_i915(intel_dig_port->base.base.dev); + struct intel_display *display = to_intel_display(dig_port); struct intel_connector *connector; - enum port port = intel_dig_port->base.port; + enum port port = dig_port->base.port; connector = intel_connector_alloc(); if (!connector) - return NULL; + return -ENOMEM; - intel_dig_port->dp.output_reg = DDI_BUF_CTL(port); - intel_dig_port->dp.prepare_link_retrain = - intel_ddi_prepare_link_retrain; - intel_dig_port->dp.set_link_train = intel_ddi_set_link_train; - intel_dig_port->dp.set_idle_link_train = intel_ddi_set_idle_link_train; - - if (INTEL_GEN(dev_priv) >= 12) - intel_dig_port->dp.set_signal_levels = tgl_set_signal_levels; - else if (INTEL_GEN(dev_priv) >= 11) - intel_dig_port->dp.set_signal_levels = icl_set_signal_levels; - else if (IS_CANNONLAKE(dev_priv)) - intel_dig_port->dp.set_signal_levels = cnl_set_signal_levels; - else if (IS_GEN9_LP(dev_priv)) - intel_dig_port->dp.set_signal_levels = bxt_set_signal_levels; + dig_port->dp.output_reg = DDI_BUF_CTL(port); + if (DISPLAY_VER(display) >= 14) + dig_port->dp.prepare_link_retrain = mtl_ddi_prepare_link_retrain; else - intel_dig_port->dp.set_signal_levels = hsw_set_signal_levels; + dig_port->dp.prepare_link_retrain = intel_ddi_prepare_link_retrain; + dig_port->dp.set_link_train = intel_ddi_set_link_train; + dig_port->dp.set_idle_link_train = intel_ddi_set_idle_link_train; - if (INTEL_GEN(dev_priv) < 12) { - intel_dig_port->dp.regs.dp_tp_ctl = DP_TP_CTL(port); - intel_dig_port->dp.regs.dp_tp_status = DP_TP_STATUS(port); - } + dig_port->dp.voltage_max = intel_ddi_dp_voltage_max; + dig_port->dp.preemph_max = intel_ddi_dp_preemph_max; - if (!intel_dp_init_connector(intel_dig_port, connector)) { + if (!intel_dp_init_connector(dig_port, connector)) { kfree(connector); - return NULL; + return -EINVAL; } - return connector; -} - -static int modeset_pipe(struct drm_crtc *crtc, - struct drm_modeset_acquire_ctx *ctx) -{ - struct drm_atomic_state *state; - struct drm_crtc_state *crtc_state; - int ret; - - state = drm_atomic_state_alloc(crtc->dev); - if (!state) - return -ENOMEM; - - state->acquire_ctx = ctx; + if (dig_port->base.type == INTEL_OUTPUT_EDP) { + struct drm_privacy_screen *privacy_screen; - crtc_state = drm_atomic_get_crtc_state(state, crtc); - if (IS_ERR(crtc_state)) { - ret = PTR_ERR(crtc_state); - goto out; + privacy_screen = drm_privacy_screen_get(display->drm->dev, NULL); + if (!IS_ERR(privacy_screen)) { + drm_connector_attach_privacy_screen_provider(&connector->base, + privacy_screen); + } else if (PTR_ERR(privacy_screen) != -ENODEV) { + drm_warn(display->drm, "Error getting privacy-screen\n"); + } } - crtc_state->connectors_changed = true; - - ret = drm_atomic_commit(state); -out: - drm_atomic_state_put(state); - - return ret; + return 0; } static int intel_hdmi_reset_link(struct intel_encoder *encoder, struct drm_modeset_acquire_ctx *ctx) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); + struct intel_display *display = to_intel_display(encoder); struct intel_hdmi *hdmi = enc_to_intel_hdmi(encoder); struct intel_connector *connector = hdmi->attached_connector; - struct i2c_adapter *adapter = - intel_gmbus_get_adapter(dev_priv, hdmi->ddc_bus); + struct i2c_adapter *ddc = connector->base.ddc; struct drm_connector_state *conn_state; struct intel_crtc_state *crtc_state; struct intel_crtc *crtc; u8 config; int ret; - if (!connector || connector->base.status != connector_status_connected) + if (connector->base.status != connector_status_connected) return 0; - ret = drm_modeset_lock(&dev_priv->drm.mode_config.connection_mutex, + ret = drm_modeset_lock(&display->drm->mode_config.connection_mutex, ctx); if (ret) return ret; @@ -4596,7 +4726,7 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, crtc_state = to_intel_crtc_state(crtc->base.state); - drm_WARN_ON(&dev_priv->drm, + drm_WARN_ON(display->drm, !intel_crtc_has_type(crtc_state, INTEL_OUTPUT_HDMI)); if (!crtc_state->hw.active) @@ -4610,10 +4740,10 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, !try_wait_for_completion(&conn_state->commit->hw_done)) return 0; - ret = drm_scdc_readb(adapter, SCDC_TMDS_CONFIG, &config); + ret = drm_scdc_readb(ddc, SCDC_TMDS_CONFIG, &config); if (ret < 0) { - drm_err(&dev_priv->drm, "Failed to read TMDS config: %d\n", - ret); + drm_err(display->drm, "[CONNECTOR:%d:%s] Failed to read TMDS config: %d\n", + connector->base.base.id, connector->base.name, ret); return 0; } @@ -4632,44 +4762,46 @@ static int intel_hdmi_reset_link(struct intel_encoder *encoder, * would be perfectly happy if were to just reconfigure * the SCDC settings on the fly. */ - return modeset_pipe(&crtc->base, ctx); + return intel_modeset_commit_pipes(display, BIT(crtc->pipe), ctx); +} + +static void intel_ddi_link_check(struct intel_encoder *encoder) +{ + struct intel_display *display = to_intel_display(encoder); + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + + /* TODO: Move checking the HDMI link state here as well. */ + drm_WARN_ON(display->drm, !dig_port->dp.attached_connector); + + intel_dp_link_check(encoder); } static enum intel_hotplug_state intel_ddi_hotplug(struct intel_encoder *encoder, struct intel_connector *connector) { - struct drm_i915_private *i915 = to_i915(encoder->base.dev); struct intel_digital_port *dig_port = enc_to_dig_port(encoder); - enum phy phy = intel_port_to_phy(i915, encoder->port); - bool is_tc = intel_phy_is_tc(i915, phy); + struct intel_dp *intel_dp = &dig_port->dp; + bool is_tc = intel_encoder_is_tc(encoder); struct drm_modeset_acquire_ctx ctx; enum intel_hotplug_state state; int ret; - state = intel_encoder_hotplug(encoder, connector); - - drm_modeset_acquire_init(&ctx, 0); + if (intel_dp_test_phy(intel_dp)) + return INTEL_HOTPLUG_UNCHANGED; - for (;;) { - if (connector->base.connector_type == DRM_MODE_CONNECTOR_HDMIA) - ret = intel_hdmi_reset_link(encoder, &ctx); - else - ret = intel_dp_retrain_link(encoder, &ctx); + state = intel_encoder_hotplug(encoder, connector); - if (ret == -EDEADLK) { - drm_modeset_backoff(&ctx); - continue; + if (!intel_tc_port_link_reset(dig_port)) { + if (connector->base.connector_type == DRM_MODE_CONNECTOR_HDMIA) { + intel_modeset_lock_ctx_retry(&ctx, NULL, 0, ret) + ret = intel_hdmi_reset_link(encoder, &ctx); + drm_WARN_ON(encoder->base.dev, ret); + } else { + intel_dp_check_link_state(intel_dp); } - - break; } - drm_modeset_drop_locks(&ctx); - drm_modeset_acquire_fini(&ctx); - drm_WARN(encoder->base.dev, ret, - "Acquiring modeset locks failed with %i\n", ret); - /* * Unpowered type-c dongles can take some time to boot and be * responsible, so here giving some time to those dongles to power up @@ -4702,84 +4834,83 @@ intel_ddi_hotplug(struct intel_encoder *encoder, static bool lpt_digital_port_connected(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit = dev_priv->hotplug.pch_hpd[encoder->hpd_pin]; + struct intel_display *display = to_intel_display(encoder); + u32 bit = display->hotplug.pch_hpd[encoder->hpd_pin]; - return intel_de_read(dev_priv, SDEISR) & bit; + return intel_de_read(display, SDEISR) & bit; } static bool hsw_digital_port_connected(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin]; + struct intel_display *display = to_intel_display(encoder); + u32 bit = display->hotplug.hpd[encoder->hpd_pin]; - return intel_de_read(dev_priv, DEISR) & bit; + return intel_de_read(display, DEISR) & bit; } static bool bdw_digital_port_connected(struct intel_encoder *encoder) { - struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - u32 bit = dev_priv->hotplug.hpd[encoder->hpd_pin]; + struct intel_display *display = to_intel_display(encoder); + u32 bit = display->hotplug.hpd[encoder->hpd_pin]; - return intel_de_read(dev_priv, GEN8_DE_PORT_ISR) & bit; + return intel_de_read(display, GEN8_DE_PORT_ISR) & bit; } -static struct intel_connector * -intel_ddi_init_hdmi_connector(struct intel_digital_port *intel_dig_port) +static int intel_ddi_init_hdmi_connector(struct intel_digital_port *dig_port) { struct intel_connector *connector; - enum port port = intel_dig_port->base.port; + enum port port = dig_port->base.port; connector = intel_connector_alloc(); if (!connector) - return NULL; + return -ENOMEM; + + dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port); - intel_dig_port->hdmi.hdmi_reg = DDI_BUF_CTL(port); - intel_hdmi_init_connector(intel_dig_port, connector); + if (!intel_hdmi_init_connector(dig_port, connector)) { + /* + * HDMI connector init failures may just mean conflicting DDC + * pins or not having enough lanes. Handle them gracefully, but + * don't fail the entire DDI init. + */ + dig_port->hdmi.hdmi_reg = INVALID_MMIO_REG; + kfree(connector); + } - return connector; + return 0; } -static bool intel_ddi_a_force_4_lanes(struct intel_digital_port *dport) +static bool intel_ddi_a_force_4_lanes(struct intel_digital_port *dig_port) { - struct drm_i915_private *dev_priv = to_i915(dport->base.base.dev); + struct intel_display *display = to_intel_display(dig_port); - if (dport->base.port != PORT_A) + if (dig_port->base.port != PORT_A) return false; - if (dport->saved_port_bits & DDI_A_4_LANES) + if (dig_port->ddi_a_4_lanes) return false; /* Broxton/Geminilake: Bspec says that DDI_A_4_LANES is the only * supported configuration */ - if (IS_GEN9_LP(dev_priv)) - return true; - - /* Cannonlake: Most of SKUs don't support DDI_E, and the only - * one who does also have a full A/E split called - * DDI_F what makes DDI_E useless. However for this - * case let's trust VBT info. - */ - if (IS_CANNONLAKE(dev_priv) && - !intel_bios_is_port_present(dev_priv, PORT_E)) + if (display->platform.geminilake || display->platform.broxton) return true; return false; } static int -intel_ddi_max_lanes(struct intel_digital_port *intel_dport) +intel_ddi_max_lanes(struct intel_digital_port *dig_port) { - struct drm_i915_private *dev_priv = to_i915(intel_dport->base.base.dev); - enum port port = intel_dport->base.port; + struct intel_display *display = to_intel_display(dig_port); + enum port port = dig_port->base.port; int max_lanes = 4; - if (INTEL_GEN(dev_priv) >= 11) + if (DISPLAY_VER(display) >= 11) return max_lanes; if (port == PORT_A || port == PORT_E) { - if (intel_de_read(dev_priv, DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES) + if (intel_de_read(display, DDI_BUF_CTL(PORT_A)) & DDI_A_4_LANES) max_lanes = port == PORT_A ? 4 : 0; else /* Both A and E share 2 lanes */ @@ -4791,157 +4922,529 @@ intel_ddi_max_lanes(struct intel_digital_port *intel_dport) * wasn't lit up at boot. Force this bit set when needed * so we use the proper lane count for our calculations. */ - if (intel_ddi_a_force_4_lanes(intel_dport)) { - drm_dbg_kms(&dev_priv->drm, + if (intel_ddi_a_force_4_lanes(dig_port)) { + drm_dbg_kms(display->drm, "Forcing DDI_A_4_LANES for port A\n"); - intel_dport->saved_port_bits |= DDI_A_4_LANES; + dig_port->ddi_a_4_lanes = true; max_lanes = 4; } return max_lanes; } -void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) +static enum hpd_pin xelpd_hpd_pin(struct intel_display *display, enum port port) +{ + if (port >= PORT_D_XELPD) + return HPD_PORT_D + port - PORT_D_XELPD; + else if (port >= PORT_TC1) + return HPD_PORT_TC1 + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin dg1_hpd_pin(struct intel_display *display, enum port port) +{ + if (port >= PORT_TC1) + return HPD_PORT_C + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin tgl_hpd_pin(struct intel_display *display, enum port port) +{ + if (port >= PORT_TC1) + return HPD_PORT_TC1 + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin rkl_hpd_pin(struct intel_display *display, enum port port) +{ + if (HAS_PCH_TGP(display)) + return tgl_hpd_pin(display, port); + + if (port >= PORT_TC1) + return HPD_PORT_C + port - PORT_TC1; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin icl_hpd_pin(struct intel_display *display, enum port port) +{ + if (port >= PORT_C) + return HPD_PORT_TC1 + port - PORT_C; + else + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin ehl_hpd_pin(struct intel_display *display, enum port port) +{ + if (port == PORT_D) + return HPD_PORT_A; + + if (HAS_PCH_TGP(display)) + return icl_hpd_pin(display, port); + + return HPD_PORT_A + port - PORT_A; +} + +static enum hpd_pin skl_hpd_pin(struct intel_display *display, enum port port) +{ + if (HAS_PCH_TGP(display)) + return icl_hpd_pin(display, port); + + return HPD_PORT_A + port - PORT_A; +} + +static bool intel_ddi_is_tc(struct intel_display *display, enum port port) +{ + if (DISPLAY_VER(display) >= 12) + return port >= PORT_TC1; + else if (DISPLAY_VER(display) >= 11) + return port >= PORT_C; + else + return false; +} + +static void intel_ddi_encoder_suspend(struct intel_encoder *encoder) +{ + intel_dp_encoder_suspend(encoder); +} + +static void intel_ddi_tc_encoder_suspend_complete(struct intel_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + + /* + * TODO: Move this to intel_dp_encoder_suspend(), + * once modeset locking around that is removed. + */ + intel_encoder_link_check_flush_work(encoder); + intel_tc_port_suspend(dig_port); +} + +static void intel_ddi_encoder_shutdown(struct intel_encoder *encoder) +{ + if (intel_encoder_is_dp(encoder)) + intel_dp_encoder_shutdown(encoder); + if (intel_encoder_is_hdmi(encoder)) + intel_hdmi_encoder_shutdown(encoder); +} + +static void intel_ddi_tc_encoder_shutdown_complete(struct intel_encoder *encoder) +{ + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + + intel_tc_port_cleanup(dig_port); +} + +#define port_tc_name(port) ((port) - PORT_TC1 + '1') +#define tc_port_name(tc_port) ((tc_port) - TC_PORT_1 + '1') + +static bool port_strap_detected(struct intel_display *display, enum port port) +{ + /* straps not used on skl+ */ + if (DISPLAY_VER(display) >= 9) + return true; + + switch (port) { + case PORT_A: + return intel_de_read(display, DDI_BUF_CTL(PORT_A)) & DDI_INIT_DISPLAY_DETECTED; + case PORT_B: + return intel_de_read(display, SFUSE_STRAP) & SFUSE_STRAP_DDIB_DETECTED; + case PORT_C: + return intel_de_read(display, SFUSE_STRAP) & SFUSE_STRAP_DDIC_DETECTED; + case PORT_D: + return intel_de_read(display, SFUSE_STRAP) & SFUSE_STRAP_DDID_DETECTED; + case PORT_E: + return true; /* no strap for DDI-E */ + default: + MISSING_CASE(port); + return false; + } +} + +static bool need_aux_ch(struct intel_encoder *encoder, bool init_dp) +{ + return init_dp || intel_encoder_is_tc(encoder); +} + +static bool assert_has_icl_dsi(struct intel_display *display) +{ + return !drm_WARN(display->drm, !display->platform.alderlake_p && + !display->platform.tigerlake && DISPLAY_VER(display) != 11, + "Platform does not support DSI\n"); +} + +static bool port_in_use(struct intel_display *display, enum port port) +{ + struct intel_encoder *encoder; + + for_each_intel_encoder(display->drm, encoder) { + /* FIXME what about second port for dual link DSI? */ + if (encoder->port == port) + return true; + } + + return false; +} + +static const char *intel_ddi_encoder_name(struct intel_display *display, + enum port port, enum phy phy, + struct seq_buf *s) +{ + if (DISPLAY_VER(display) >= 13 && port >= PORT_D_XELPD) { + seq_buf_printf(s, "DDI %c/PHY %c", + port_name(port - PORT_D_XELPD + PORT_D), + phy_name(phy)); + } else if (DISPLAY_VER(display) >= 12) { + enum tc_port tc_port = intel_port_to_tc(display, port); + + seq_buf_printf(s, "DDI %s%c/PHY %s%c", + port >= PORT_TC1 ? "TC" : "", + port >= PORT_TC1 ? port_tc_name(port) : port_name(port), + tc_port != TC_PORT_NONE ? "TC" : "", + tc_port != TC_PORT_NONE ? tc_port_name(tc_port) : phy_name(phy)); + } else if (DISPLAY_VER(display) >= 11) { + enum tc_port tc_port = intel_port_to_tc(display, port); + + seq_buf_printf(s, "DDI %c%s/PHY %s%c", + port_name(port), + port >= PORT_C ? " (TC)" : "", + tc_port != TC_PORT_NONE ? "TC" : "", + tc_port != TC_PORT_NONE ? tc_port_name(tc_port) : phy_name(phy)); + } else { + seq_buf_printf(s, "DDI %c/PHY %c", port_name(port), phy_name(phy)); + } + + drm_WARN_ON(display->drm, seq_buf_has_overflowed(s)); + + return seq_buf_str(s); +} + +void intel_ddi_init(struct intel_display *display, + const struct intel_bios_encoder_data *devdata) { - struct intel_digital_port *intel_dig_port; + struct intel_digital_port *dig_port; struct intel_encoder *encoder; - bool init_hdmi, init_dp, init_lspcon = false; - enum phy phy = intel_port_to_phy(dev_priv, port); + DECLARE_SEQ_BUF(encoder_name, 20); + bool init_hdmi, init_dp; + enum port port; + enum phy phy; + u32 ddi_buf_ctl; + + port = intel_bios_encoder_port(devdata); + if (port == PORT_NONE) + return; + + if (!port_strap_detected(display, port)) { + drm_dbg_kms(display->drm, + "Port %c strap not detected\n", port_name(port)); + return; + } + + if (!assert_port_valid(display, port)) + return; + + if (port_in_use(display, port)) { + drm_dbg_kms(display->drm, + "Port %c already claimed\n", port_name(port)); + return; + } + + if (intel_bios_encoder_supports_dsi(devdata)) { + /* BXT/GLK handled elsewhere, for now at least */ + if (!assert_has_icl_dsi(display)) + return; + + icl_dsi_init(display, devdata); + return; + } - init_hdmi = intel_bios_port_supports_dvi(dev_priv, port) || - intel_bios_port_supports_hdmi(dev_priv, port); - init_dp = intel_bios_port_supports_dp(dev_priv, port); + phy = intel_port_to_phy(display, port); - if (intel_bios_is_lspcon_present(dev_priv, port)) { + /* + * On platforms with HTI (aka HDPORT), if it's enabled at boot it may + * have taken over some of the PHYs and made them unavailable to the + * driver. In that case we should skip initializing the corresponding + * outputs. + */ + if (intel_hti_uses_phy(display, phy)) { + drm_dbg_kms(display->drm, "PORT %c / PHY %c reserved by HTI\n", + port_name(port), phy_name(phy)); + return; + } + + init_hdmi = intel_bios_encoder_supports_dvi(devdata) || + intel_bios_encoder_supports_hdmi(devdata); + init_dp = intel_bios_encoder_supports_dp(devdata); + + if (intel_bios_encoder_is_lspcon(devdata)) { /* * Lspcon device needs to be driven with DP connector * with special detection sequence. So make sure DP * is initialized before lspcon. */ init_dp = true; - init_lspcon = true; init_hdmi = false; - drm_dbg_kms(&dev_priv->drm, "VBT says port %c has lspcon\n", + drm_dbg_kms(display->drm, "VBT says port %c has lspcon\n", port_name(port)); } if (!init_dp && !init_hdmi) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "VBT says port %c is not DVI/HDMI/DP compatible, respect it\n", port_name(port)); return; } - intel_dig_port = kzalloc(sizeof(*intel_dig_port), GFP_KERNEL); - if (!intel_dig_port) + if (intel_phy_is_snps(display, phy) && + display->snps.phy_failed_calibration & BIT(phy)) { + drm_dbg_kms(display->drm, + "SNPS PHY %c failed to calibrate, proceeding anyway\n", + phy_name(phy)); + } + + dig_port = intel_dig_port_alloc(); + if (!dig_port) return; - encoder = &intel_dig_port->base; + encoder = &dig_port->base; + encoder->devdata = devdata; + + drm_encoder_init(display->drm, &encoder->base, &intel_ddi_funcs, + DRM_MODE_ENCODER_TMDS, "%s", + intel_ddi_encoder_name(display, port, phy, &encoder_name)); - drm_encoder_init(&dev_priv->drm, &encoder->base, &intel_ddi_funcs, - DRM_MODE_ENCODER_TMDS, "DDI %c", port_name(port)); + intel_encoder_link_check_init(encoder, intel_ddi_link_check); encoder->hotplug = intel_ddi_hotplug; encoder->compute_output_type = intel_ddi_compute_output_type; encoder->compute_config = intel_ddi_compute_config; encoder->compute_config_late = intel_ddi_compute_config_late; - encoder->enable = intel_enable_ddi; + encoder->enable = intel_ddi_enable; encoder->pre_pll_enable = intel_ddi_pre_pll_enable; encoder->pre_enable = intel_ddi_pre_enable; - encoder->disable = intel_disable_ddi; + encoder->disable = intel_ddi_disable; + encoder->post_pll_disable = intel_ddi_post_pll_disable; encoder->post_disable = intel_ddi_post_disable; encoder->update_pipe = intel_ddi_update_pipe; + encoder->audio_enable = intel_audio_codec_enable; + encoder->audio_disable = intel_audio_codec_disable; encoder->get_hw_state = intel_ddi_get_hw_state; - encoder->get_config = intel_ddi_get_config; - encoder->suspend = intel_dp_encoder_suspend; + encoder->sync_state = intel_ddi_sync_state; + encoder->initial_fastset_check = intel_ddi_initial_fastset_check; + encoder->suspend = intel_ddi_encoder_suspend; + encoder->shutdown = intel_ddi_encoder_shutdown; encoder->get_power_domains = intel_ddi_get_power_domains; encoder->type = INTEL_OUTPUT_DDI; - encoder->power_domain = intel_port_to_power_domain(port); + encoder->power_domain = intel_display_power_ddi_lanes_domain(display, port); encoder->port = port; encoder->cloneable = 0; encoder->pipe_mask = ~0; - if (INTEL_GEN(dev_priv) >= 11) - intel_dig_port->saved_port_bits = intel_de_read(dev_priv, - DDI_BUF_CTL(port)) & - DDI_BUF_PORT_REVERSAL; + if (HAS_LT_PHY(display)) { + encoder->enable_clock = intel_xe3plpd_pll_enable; + encoder->disable_clock = intel_xe3plpd_pll_disable; + encoder->port_pll_type = intel_mtl_port_pll_type; + encoder->get_config = xe3plpd_ddi_get_config; + } else if (DISPLAY_VER(display) >= 14) { + encoder->enable_clock = intel_mtl_pll_enable; + encoder->disable_clock = intel_mtl_pll_disable; + encoder->port_pll_type = intel_mtl_port_pll_type; + encoder->get_config = mtl_ddi_get_config; + } else if (display->platform.dg2) { + encoder->enable_clock = intel_mpllb_enable; + encoder->disable_clock = intel_mpllb_disable; + encoder->get_config = dg2_ddi_get_config; + } else if (display->platform.alderlake_s) { + encoder->enable_clock = adls_ddi_enable_clock; + encoder->disable_clock = adls_ddi_disable_clock; + encoder->is_clock_enabled = adls_ddi_is_clock_enabled; + encoder->get_config = adls_ddi_get_config; + } else if (display->platform.rocketlake) { + encoder->enable_clock = rkl_ddi_enable_clock; + encoder->disable_clock = rkl_ddi_disable_clock; + encoder->is_clock_enabled = rkl_ddi_is_clock_enabled; + encoder->get_config = rkl_ddi_get_config; + } else if (display->platform.dg1) { + encoder->enable_clock = dg1_ddi_enable_clock; + encoder->disable_clock = dg1_ddi_disable_clock; + encoder->is_clock_enabled = dg1_ddi_is_clock_enabled; + encoder->get_config = dg1_ddi_get_config; + } else if (display->platform.jasperlake || display->platform.elkhartlake) { + if (intel_ddi_is_tc(display, port)) { + encoder->enable_clock = jsl_ddi_tc_enable_clock; + encoder->disable_clock = jsl_ddi_tc_disable_clock; + encoder->is_clock_enabled = jsl_ddi_tc_is_clock_enabled; + encoder->port_pll_type = icl_ddi_tc_port_pll_type; + encoder->get_config = icl_ddi_combo_get_config; + } else { + encoder->enable_clock = icl_ddi_combo_enable_clock; + encoder->disable_clock = icl_ddi_combo_disable_clock; + encoder->is_clock_enabled = icl_ddi_combo_is_clock_enabled; + encoder->get_config = icl_ddi_combo_get_config; + } + } else if (DISPLAY_VER(display) >= 11) { + if (intel_ddi_is_tc(display, port)) { + encoder->enable_clock = icl_ddi_tc_enable_clock; + encoder->disable_clock = icl_ddi_tc_disable_clock; + encoder->is_clock_enabled = icl_ddi_tc_is_clock_enabled; + encoder->port_pll_type = icl_ddi_tc_port_pll_type; + encoder->get_config = icl_ddi_tc_get_config; + } else { + encoder->enable_clock = icl_ddi_combo_enable_clock; + encoder->disable_clock = icl_ddi_combo_disable_clock; + encoder->is_clock_enabled = icl_ddi_combo_is_clock_enabled; + encoder->get_config = icl_ddi_combo_get_config; + } + } else if (display->platform.geminilake || display->platform.broxton) { + /* BXT/GLK have fixed PLL->port mapping */ + encoder->get_config = bxt_ddi_get_config; + } else if (DISPLAY_VER(display) == 9) { + encoder->enable_clock = skl_ddi_enable_clock; + encoder->disable_clock = skl_ddi_disable_clock; + encoder->is_clock_enabled = skl_ddi_is_clock_enabled; + encoder->get_config = skl_ddi_get_config; + } else if (display->platform.broadwell || display->platform.haswell) { + encoder->enable_clock = hsw_ddi_enable_clock; + encoder->disable_clock = hsw_ddi_disable_clock; + encoder->is_clock_enabled = hsw_ddi_is_clock_enabled; + encoder->get_config = hsw_ddi_get_config; + } + + if (HAS_LT_PHY(display)) { + encoder->set_signal_levels = intel_lt_phy_set_signal_levels; + } else if (DISPLAY_VER(display) >= 14) { + encoder->set_signal_levels = intel_cx0_phy_set_signal_levels; + } else if (display->platform.dg2) { + encoder->set_signal_levels = intel_snps_phy_set_signal_levels; + } else if (DISPLAY_VER(display) >= 12) { + if (intel_encoder_is_combo(encoder)) + encoder->set_signal_levels = icl_combo_phy_set_signal_levels; + else + encoder->set_signal_levels = tgl_dkl_phy_set_signal_levels; + } else if (DISPLAY_VER(display) >= 11) { + if (intel_encoder_is_combo(encoder)) + encoder->set_signal_levels = icl_combo_phy_set_signal_levels; + else + encoder->set_signal_levels = icl_mg_phy_set_signal_levels; + } else if (display->platform.geminilake || display->platform.broxton) { + encoder->set_signal_levels = bxt_dpio_phy_set_signal_levels; + } else { + encoder->set_signal_levels = hsw_set_signal_levels; + } + + intel_ddi_buf_trans_init(encoder); + + if (DISPLAY_VER(display) >= 13) + encoder->hpd_pin = xelpd_hpd_pin(display, port); + else if (display->platform.dg1) + encoder->hpd_pin = dg1_hpd_pin(display, port); + else if (display->platform.rocketlake) + encoder->hpd_pin = rkl_hpd_pin(display, port); + else if (DISPLAY_VER(display) >= 12) + encoder->hpd_pin = tgl_hpd_pin(display, port); + else if (display->platform.jasperlake || display->platform.elkhartlake) + encoder->hpd_pin = ehl_hpd_pin(display, port); + else if (DISPLAY_VER(display) == 11) + encoder->hpd_pin = icl_hpd_pin(display, port); + else if (DISPLAY_VER(display) == 9 && !display->platform.broxton) + encoder->hpd_pin = skl_hpd_pin(display, port); else - intel_dig_port->saved_port_bits = intel_de_read(dev_priv, - DDI_BUF_CTL(port)) & - (DDI_BUF_PORT_REVERSAL | DDI_A_4_LANES); + encoder->hpd_pin = intel_hpd_pin_default(port); - intel_dig_port->dp.output_reg = INVALID_MMIO_REG; - intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port); - intel_dig_port->aux_ch = intel_bios_port_aux_ch(dev_priv, port); + ddi_buf_ctl = intel_de_read(display, DDI_BUF_CTL(port)); - if (intel_phy_is_tc(dev_priv, phy)) { - bool is_legacy = - !intel_bios_port_supports_typec_usb(dev_priv, port) && - !intel_bios_port_supports_tbt(dev_priv, port); + dig_port->lane_reversal = intel_bios_encoder_lane_reversal(devdata) || + ddi_buf_ctl & DDI_BUF_PORT_REVERSAL; + + dig_port->ddi_a_4_lanes = DISPLAY_VER(display) < 11 && ddi_buf_ctl & DDI_A_4_LANES; - intel_tc_port_init(intel_dig_port, is_legacy); + dig_port->max_lanes = intel_ddi_max_lanes(dig_port); - encoder->update_prepare = intel_ddi_update_prepare; - encoder->update_complete = intel_ddi_update_complete; + if (need_aux_ch(encoder, init_dp)) { + dig_port->aux_ch = intel_dp_aux_ch(encoder); + if (dig_port->aux_ch == AUX_CH_NONE) + goto err; } - drm_WARN_ON(&dev_priv->drm, port > PORT_I); - intel_dig_port->ddi_io_power_domain = POWER_DOMAIN_PORT_DDI_A_IO + - port - PORT_A; + if (intel_encoder_is_tc(encoder)) { + bool is_legacy = + !intel_bios_encoder_supports_typec_usb(devdata) && + !intel_bios_encoder_supports_tbt(devdata); - if (init_dp) { - if (!intel_ddi_init_dp_connector(intel_dig_port)) - goto err; + if (!is_legacy && init_hdmi) { + is_legacy = !init_dp; - intel_dig_port->hpd_pulse = intel_dp_hpd_pulse; - } + drm_dbg_kms(display->drm, + "VBT says port %c is non-legacy TC and has HDMI (with DP: %s), assume it's %s\n", + port_name(port), + str_yes_no(init_dp), + is_legacy ? "legacy" : "non-legacy"); + } - /* In theory we don't need the encoder->type check, but leave it just in - * case we have some really bad VBTs... */ - if (encoder->type != INTEL_OUTPUT_EDP && init_hdmi) { - if (!intel_ddi_init_hdmi_connector(intel_dig_port)) + encoder->suspend_complete = intel_ddi_tc_encoder_suspend_complete; + encoder->shutdown_complete = intel_ddi_tc_encoder_shutdown_complete; + + dig_port->lock = intel_tc_port_lock; + dig_port->unlock = intel_tc_port_unlock; + + if (intel_tc_port_init(dig_port, is_legacy) < 0) goto err; } - if (init_lspcon) { - if (lspcon_init(intel_dig_port)) - /* TODO: handle hdmi info frame part */ - drm_dbg_kms(&dev_priv->drm, - "LSPCON init success on port %c\n", - port_name(port)); - else - /* - * LSPCON init faied, but DP init was success, so - * lets try to drive as DP++ port. - */ - drm_err(&dev_priv->drm, - "LSPCON init failed on port %c\n", - port_name(port)); - } + drm_WARN_ON(display->drm, port > PORT_I); + dig_port->ddi_io_power_domain = intel_display_power_ddi_io_domain(display, port); - if (INTEL_GEN(dev_priv) >= 11) { - if (intel_phy_is_tc(dev_priv, phy)) - intel_dig_port->connected = intel_tc_port_connected; + if (DISPLAY_VER(display) >= 11) { + if (intel_encoder_is_tc(encoder)) + dig_port->connected = intel_tc_port_connected; else - intel_dig_port->connected = lpt_digital_port_connected; - } else if (INTEL_GEN(dev_priv) >= 8) { - if (port == PORT_A || IS_GEN9_LP(dev_priv)) - intel_dig_port->connected = bdw_digital_port_connected; + dig_port->connected = lpt_digital_port_connected; + } else if (display->platform.geminilake || display->platform.broxton) { + dig_port->connected = bdw_digital_port_connected; + } else if (DISPLAY_VER(display) == 9) { + dig_port->connected = lpt_digital_port_connected; + } else if (display->platform.broadwell) { + if (port == PORT_A) + dig_port->connected = bdw_digital_port_connected; else - intel_dig_port->connected = lpt_digital_port_connected; - } else { + dig_port->connected = lpt_digital_port_connected; + } else if (display->platform.haswell) { if (port == PORT_A) - intel_dig_port->connected = hsw_digital_port_connected; + dig_port->connected = hsw_digital_port_connected; else - intel_dig_port->connected = lpt_digital_port_connected; + dig_port->connected = lpt_digital_port_connected; } - intel_infoframe_init(intel_dig_port); + intel_infoframe_init(dig_port); + + if (init_dp) { + if (intel_ddi_init_dp_connector(dig_port)) + goto err; + + dig_port->hpd_pulse = intel_dp_hpd_pulse; + + if (dig_port->dp.mso_link_count) + encoder->pipe_mask = intel_ddi_splitter_pipe_mask(display); + } + + /* + * In theory we don't need the encoder->type check, + * but leave it just in case we have some really bad VBTs... + */ + if (encoder->type != INTEL_OUTPUT_EDP && init_hdmi) { + if (intel_ddi_init_hdmi_connector(dig_port)) + goto err; + } return; err: drm_encoder_cleanup(&encoder->base); - kfree(intel_dig_port); + kfree(dig_port); } |