diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 2447 |
1 files changed, 1616 insertions, 831 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 6927785fd6ff..430ad4ef7146 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -21,17 +21,25 @@ * DEALINGS IN THE SOFTWARE. */ +#include <linux/debugfs.h> + #include <drm/drm_atomic_helper.h> #include <drm/drm_damage_helper.h> #include <drm/drm_debugfs.h> +#include <drm/drm_vblank.h> #include "i915_drv.h" #include "i915_reg.h" +#include "intel_alpm.h" #include "intel_atomic.h" #include "intel_crtc.h" +#include "intel_cursor_regs.h" #include "intel_ddi.h" #include "intel_de.h" +#include "intel_display_irq.h" +#include "intel_display_rpm.h" #include "intel_display_types.h" +#include "intel_dmc.h" #include "intel_dp.h" #include "intel_dp_aux.h" #include "intel_frontbuffer.h" @@ -39,6 +47,8 @@ #include "intel_psr.h" #include "intel_psr_regs.h" #include "intel_snps_phy.h" +#include "intel_vblank.h" +#include "intel_vrr.h" #include "skl_universal_plane.h" /** @@ -149,7 +159,7 @@ * * Unfortunately CHICKEN_TRANS itself seems to be double buffered * and thus won't latch until the first vblank. So with DC states - * enabled the register effctively uses the reset value during DC5 + * enabled the register effectively uses the reset value during DC5 * exit+PSR exit sequence, and thus the bit does nothing until * latched by the vblank that it was trying to prevent from being * generated in the first place. So we should probably call this @@ -166,19 +176,32 @@ * CHICKEN_PIPESL_1[15]/HSW_UNMASK_VBL_TO_REGS_IN_SRD (hsw): * * On BDW without this bit is no vblanks whatsoever are - * generated after PSR exit. On HSW this has no apparant effect. + * generated after PSR exit. On HSW this has no apparent effect. * WaPsrDPRSUnmaskVBlankInSRD says to set this. * * The rest of the bits are more self-explanatory and/or * irrelevant for normal operation. + * + * Description of intel_crtc_state variables. has_psr, has_panel_replay and + * has_sel_update: + * + * has_psr (alone): PSR1 + * has_psr + has_sel_update: PSR2 + * has_psr + has_panel_replay: Panel Replay + * has_psr + has_panel_replay + has_sel_update: Panel Replay Selective Update + * + * Description of some intel_psr variables. enabled, panel_replay_enabled, + * sel_update_enabled + * + * enabled (alone): PSR1 + * enabled + sel_update_enabled: PSR2 + * enabled + panel_replay_enabled: Panel Replay + * enabled + panel_replay_enabled + sel_update_enabled: Panel Replay SU */ #define CAN_PSR(intel_dp) ((intel_dp)->psr.sink_support && \ (intel_dp)->psr.source_support) -#define CAN_PANEL_REPLAY(intel_dp) ((intel_dp)->psr.sink_panel_replay_support && \ - (intel_dp)->psr.source_panel_replay_support) - bool intel_encoder_can_psr(struct intel_encoder *encoder) { if (intel_encoder_is_dp(encoder) || encoder->type == INTEL_OUTPUT_DP_MST) @@ -188,16 +211,37 @@ bool intel_encoder_can_psr(struct intel_encoder *encoder) return false; } +bool intel_psr_needs_aux_io_power(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + /* + * For PSR/PR modes only eDP requires the AUX IO power to be enabled whenever + * the output is enabled. For non-eDP outputs the main link is always + * on, hence it doesn't require the HW initiated AUX wake-up signaling used + * for eDP. + * + * TODO: + * - Consider leaving AUX IO disabled for eDP / PR as well, in case + * the ALPM with main-link off mode is not enabled. + * - Leave AUX IO enabled for DP / PR, once support for ALPM with + * main-link off mode is added for it and this mode gets enabled. + */ + return intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && + intel_encoder_can_psr(encoder); +} + static bool psr_global_enabled(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_connector *connector = intel_dp->attached_connector; - struct drm_i915_private *i915 = dp_to_i915(intel_dp); switch (intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK) { case I915_PSR_DEBUG_DEFAULT: - if (i915->display.params.enable_psr == -1) - return connector->panel.vbt.psr.enable; - return i915->display.params.enable_psr; + if (display->params.enable_psr == -1) + return intel_dp_is_edp(intel_dp) ? + connector->panel.vbt.psr.enable : + true; + return display->params.enable_psr; case I915_PSR_DEBUG_DISABLE: return false; default: @@ -207,206 +251,232 @@ static bool psr_global_enabled(struct intel_dp *intel_dp) static bool psr2_global_enabled(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); switch (intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK) { case I915_PSR_DEBUG_DISABLE: case I915_PSR_DEBUG_FORCE_PSR1: return false; default: - if (i915->display.params.enable_psr == 1) + if (display->params.enable_psr == 1) return false; return true; } } +static bool psr2_su_region_et_global_enabled(struct intel_dp *intel_dp) +{ + struct intel_display *display = to_intel_display(intel_dp); + + if (display->params.enable_psr != -1) + return false; + + return true; +} + +static bool panel_replay_global_enabled(struct intel_dp *intel_dp) +{ + struct intel_display *display = to_intel_display(intel_dp); + + if ((display->params.enable_psr != -1) || + (intel_dp->psr.debug & I915_PSR_DEBUG_PANEL_REPLAY_DISABLE)) + return false; + return true; +} + static u32 psr_irq_psr_error_bit_get(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); - return DISPLAY_VER(dev_priv) >= 12 ? TGL_PSR_ERROR : + return DISPLAY_VER(display) >= 12 ? TGL_PSR_ERROR : EDP_PSR_ERROR(intel_dp->psr.transcoder); } static u32 psr_irq_post_exit_bit_get(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); - return DISPLAY_VER(dev_priv) >= 12 ? TGL_PSR_POST_EXIT : + return DISPLAY_VER(display) >= 12 ? TGL_PSR_POST_EXIT : EDP_PSR_POST_EXIT(intel_dp->psr.transcoder); } static u32 psr_irq_pre_entry_bit_get(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); - return DISPLAY_VER(dev_priv) >= 12 ? TGL_PSR_PRE_ENTRY : + return DISPLAY_VER(display) >= 12 ? TGL_PSR_PRE_ENTRY : EDP_PSR_PRE_ENTRY(intel_dp->psr.transcoder); } static u32 psr_irq_mask_get(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); - return DISPLAY_VER(dev_priv) >= 12 ? TGL_PSR_MASK : + return DISPLAY_VER(display) >= 12 ? TGL_PSR_MASK : EDP_PSR_MASK(intel_dp->psr.transcoder); } -static i915_reg_t psr_ctl_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_ctl_reg(struct intel_display *display, enum transcoder cpu_transcoder) { - if (DISPLAY_VER(dev_priv) >= 8) - return EDP_PSR_CTL(cpu_transcoder); + if (DISPLAY_VER(display) >= 8) + return EDP_PSR_CTL(display, cpu_transcoder); else return HSW_SRD_CTL; } -static i915_reg_t psr_debug_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_debug_reg(struct intel_display *display, enum transcoder cpu_transcoder) { - if (DISPLAY_VER(dev_priv) >= 8) - return EDP_PSR_DEBUG(cpu_transcoder); + if (DISPLAY_VER(display) >= 8) + return EDP_PSR_DEBUG(display, cpu_transcoder); else return HSW_SRD_DEBUG; } -static i915_reg_t psr_perf_cnt_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_perf_cnt_reg(struct intel_display *display, enum transcoder cpu_transcoder) { - if (DISPLAY_VER(dev_priv) >= 8) - return EDP_PSR_PERF_CNT(cpu_transcoder); + if (DISPLAY_VER(display) >= 8) + return EDP_PSR_PERF_CNT(display, cpu_transcoder); else return HSW_SRD_PERF_CNT; } -static i915_reg_t psr_status_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_status_reg(struct intel_display *display, enum transcoder cpu_transcoder) { - if (DISPLAY_VER(dev_priv) >= 8) - return EDP_PSR_STATUS(cpu_transcoder); + if (DISPLAY_VER(display) >= 8) + return EDP_PSR_STATUS(display, cpu_transcoder); else return HSW_SRD_STATUS; } -static i915_reg_t psr_imr_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_imr_reg(struct intel_display *display, enum transcoder cpu_transcoder) { - if (DISPLAY_VER(dev_priv) >= 12) - return TRANS_PSR_IMR(cpu_transcoder); + if (DISPLAY_VER(display) >= 12) + return TRANS_PSR_IMR(display, cpu_transcoder); else return EDP_PSR_IMR; } -static i915_reg_t psr_iir_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_iir_reg(struct intel_display *display, enum transcoder cpu_transcoder) { - if (DISPLAY_VER(dev_priv) >= 12) - return TRANS_PSR_IIR(cpu_transcoder); + if (DISPLAY_VER(display) >= 12) + return TRANS_PSR_IIR(display, cpu_transcoder); else return EDP_PSR_IIR; } -static i915_reg_t psr_aux_ctl_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_aux_ctl_reg(struct intel_display *display, enum transcoder cpu_transcoder) { - if (DISPLAY_VER(dev_priv) >= 8) - return EDP_PSR_AUX_CTL(cpu_transcoder); + if (DISPLAY_VER(display) >= 8) + return EDP_PSR_AUX_CTL(display, cpu_transcoder); else return HSW_SRD_AUX_CTL; } -static i915_reg_t psr_aux_data_reg(struct drm_i915_private *dev_priv, +static i915_reg_t psr_aux_data_reg(struct intel_display *display, enum transcoder cpu_transcoder, int i) { - if (DISPLAY_VER(dev_priv) >= 8) - return EDP_PSR_AUX_DATA(cpu_transcoder, i); + if (DISPLAY_VER(display) >= 8) + return EDP_PSR_AUX_DATA(display, cpu_transcoder, i); else return HSW_SRD_AUX_DATA(i); } static void psr_irq_control(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 mask; + if (intel_dp->psr.panel_replay_enabled) + return; + mask = psr_irq_psr_error_bit_get(intel_dp); if (intel_dp->psr.debug & I915_PSR_DEBUG_IRQ) mask |= psr_irq_post_exit_bit_get(intel_dp) | psr_irq_pre_entry_bit_get(intel_dp); - intel_de_rmw(dev_priv, psr_imr_reg(dev_priv, cpu_transcoder), + intel_de_rmw(display, psr_imr_reg(display, cpu_transcoder), psr_irq_mask_get(intel_dp), ~mask); } -static void psr_event_print(struct drm_i915_private *i915, - u32 val, bool psr2_enabled) +static void psr_event_print(struct intel_display *display, + u32 val, bool sel_update_enabled) { - drm_dbg_kms(&i915->drm, "PSR exit events: 0x%x\n", val); + drm_dbg_kms(display->drm, "PSR exit events: 0x%x\n", val); if (val & PSR_EVENT_PSR2_WD_TIMER_EXPIRE) - drm_dbg_kms(&i915->drm, "\tPSR2 watchdog timer expired\n"); - if ((val & PSR_EVENT_PSR2_DISABLED) && psr2_enabled) - drm_dbg_kms(&i915->drm, "\tPSR2 disabled\n"); + drm_dbg_kms(display->drm, "\tPSR2 watchdog timer expired\n"); + if ((val & PSR_EVENT_PSR2_DISABLED) && sel_update_enabled) + drm_dbg_kms(display->drm, "\tPSR2 disabled\n"); if (val & PSR_EVENT_SU_DIRTY_FIFO_UNDERRUN) - drm_dbg_kms(&i915->drm, "\tSU dirty FIFO underrun\n"); + drm_dbg_kms(display->drm, "\tSU dirty FIFO underrun\n"); if (val & PSR_EVENT_SU_CRC_FIFO_UNDERRUN) - drm_dbg_kms(&i915->drm, "\tSU CRC FIFO underrun\n"); + drm_dbg_kms(display->drm, "\tSU CRC FIFO underrun\n"); if (val & PSR_EVENT_GRAPHICS_RESET) - drm_dbg_kms(&i915->drm, "\tGraphics reset\n"); + drm_dbg_kms(display->drm, "\tGraphics reset\n"); if (val & PSR_EVENT_PCH_INTERRUPT) - drm_dbg_kms(&i915->drm, "\tPCH interrupt\n"); + drm_dbg_kms(display->drm, "\tPCH interrupt\n"); if (val & PSR_EVENT_MEMORY_UP) - drm_dbg_kms(&i915->drm, "\tMemory up\n"); + drm_dbg_kms(display->drm, "\tMemory up\n"); if (val & PSR_EVENT_FRONT_BUFFER_MODIFY) - drm_dbg_kms(&i915->drm, "\tFront buffer modification\n"); + drm_dbg_kms(display->drm, "\tFront buffer modification\n"); if (val & PSR_EVENT_WD_TIMER_EXPIRE) - drm_dbg_kms(&i915->drm, "\tPSR watchdog timer expired\n"); + drm_dbg_kms(display->drm, "\tPSR watchdog timer expired\n"); if (val & PSR_EVENT_PIPE_REGISTERS_UPDATE) - drm_dbg_kms(&i915->drm, "\tPIPE registers updated\n"); + drm_dbg_kms(display->drm, "\tPIPE registers updated\n"); if (val & PSR_EVENT_REGISTER_UPDATE) - drm_dbg_kms(&i915->drm, "\tRegister updated\n"); + drm_dbg_kms(display->drm, "\tRegister updated\n"); if (val & PSR_EVENT_HDCP_ENABLE) - drm_dbg_kms(&i915->drm, "\tHDCP enabled\n"); + drm_dbg_kms(display->drm, "\tHDCP enabled\n"); if (val & PSR_EVENT_KVMR_SESSION_ENABLE) - drm_dbg_kms(&i915->drm, "\tKVMR session enabled\n"); + drm_dbg_kms(display->drm, "\tKVMR session enabled\n"); if (val & PSR_EVENT_VBI_ENABLE) - drm_dbg_kms(&i915->drm, "\tVBI enabled\n"); + drm_dbg_kms(display->drm, "\tVBI enabled\n"); if (val & PSR_EVENT_LPSP_MODE_EXIT) - drm_dbg_kms(&i915->drm, "\tLPSP mode exited\n"); - if ((val & PSR_EVENT_PSR_DISABLE) && !psr2_enabled) - drm_dbg_kms(&i915->drm, "\tPSR disabled\n"); + drm_dbg_kms(display->drm, "\tLPSP mode exited\n"); + if ((val & PSR_EVENT_PSR_DISABLE) && !sel_update_enabled) + drm_dbg_kms(display->drm, "\tPSR disabled\n"); } void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); + struct drm_i915_private *dev_priv = to_i915(display->drm); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; ktime_t time_ns = ktime_get(); if (psr_iir & psr_irq_pre_entry_bit_get(intel_dp)) { intel_dp->psr.last_entry_attempt = time_ns; - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "[transcoder %s] PSR entry attempt in 2 vblanks\n", transcoder_name(cpu_transcoder)); } if (psr_iir & psr_irq_post_exit_bit_get(intel_dp)) { intel_dp->psr.last_exit = time_ns; - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "[transcoder %s] PSR exit completed\n", transcoder_name(cpu_transcoder)); - if (DISPLAY_VER(dev_priv) >= 9) { + if (DISPLAY_VER(display) >= 9) { u32 val; - val = intel_de_rmw(dev_priv, PSR_EVENT(cpu_transcoder), 0, 0); + val = intel_de_rmw(display, + PSR_EVENT(display, cpu_transcoder), + 0, 0); - psr_event_print(dev_priv, val, intel_dp->psr.psr2_enabled); + psr_event_print(display, val, intel_dp->psr.sel_update_enabled); } } if (psr_iir & psr_irq_psr_error_bit_get(intel_dp)) { - drm_warn(&dev_priv->drm, "[transcoder %s] PSR aux error\n", + drm_warn(display->drm, "[transcoder %s] PSR aux error\n", transcoder_name(cpu_transcoder)); intel_dp->psr.irq_aux_error = true; @@ -419,56 +489,91 @@ void intel_psr_irq_handler(struct intel_dp *intel_dp, u32 psr_iir) * again so we don't care about unmask the interruption * or unset irq_aux_error. */ - intel_de_rmw(dev_priv, psr_imr_reg(dev_priv, cpu_transcoder), + intel_de_rmw(display, psr_imr_reg(display, cpu_transcoder), 0, psr_irq_psr_error_bit_get(intel_dp)); queue_work(dev_priv->unordered_wq, &intel_dp->psr.work); } } -static bool intel_dp_get_alpm_status(struct intel_dp *intel_dp) -{ - u8 alpm_caps = 0; - - if (drm_dp_dpcd_readb(&intel_dp->aux, DP_RECEIVER_ALPM_CAP, - &alpm_caps) != 1) - return false; - return alpm_caps & DP_ALPM_CAP; -} - static u8 intel_dp_get_sink_sync_latency(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); u8 val = 8; /* assume the worst if we can't read the value */ if (drm_dp_dpcd_readb(&intel_dp->aux, DP_SYNCHRONIZATION_LATENCY_IN_SINK, &val) == 1) val &= DP_MAX_RESYNC_FRAME_COUNT_MASK; else - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "Unable to get sink synchronization latency, assuming 8 frames\n"); return val; } +static u8 intel_dp_get_su_capability(struct intel_dp *intel_dp) +{ + u8 su_capability = 0; + + if (intel_dp->psr.sink_panel_replay_su_support) + drm_dp_dpcd_readb(&intel_dp->aux, + DP_PANEL_PANEL_REPLAY_CAPABILITY, + &su_capability); + else + su_capability = intel_dp->psr_dpcd[1]; + + return su_capability; +} + +static unsigned int +intel_dp_get_su_x_granularity_offset(struct intel_dp *intel_dp) +{ + return intel_dp->psr.sink_panel_replay_su_support ? + DP_PANEL_PANEL_REPLAY_X_GRANULARITY : + DP_PSR2_SU_X_GRANULARITY; +} + +static unsigned int +intel_dp_get_su_y_granularity_offset(struct intel_dp *intel_dp) +{ + return intel_dp->psr.sink_panel_replay_su_support ? + DP_PANEL_PANEL_REPLAY_Y_GRANULARITY : + DP_PSR2_SU_Y_GRANULARITY; +} + +/* + * Note: Bits related to granularity are same in panel replay and psr + * registers. Rely on PSR definitions on these "common" bits. + */ static void intel_dp_get_su_granularity(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); ssize_t r; u16 w; u8 y; - /* If sink don't have specific granularity requirements set legacy ones */ - if (!(intel_dp->psr_dpcd[1] & DP_PSR2_SU_GRANULARITY_REQUIRED)) { + /* + * TODO: Do we need to take into account panel supporting both PSR and + * Panel replay? + */ + + /* + * If sink don't have specific granularity requirements set legacy + * ones. + */ + if (!(intel_dp_get_su_capability(intel_dp) & + DP_PSR2_SU_GRANULARITY_REQUIRED)) { /* As PSR2 HW sends full lines, we do not care about x granularity */ w = 4; y = 4; goto exit; } - r = drm_dp_dpcd_read(&intel_dp->aux, DP_PSR2_SU_X_GRANULARITY, &w, 2); + r = drm_dp_dpcd_read(&intel_dp->aux, + intel_dp_get_su_x_granularity_offset(intel_dp), + &w, 2); if (r != 2) - drm_dbg_kms(&i915->drm, - "Unable to read DP_PSR2_SU_X_GRANULARITY\n"); + drm_dbg_kms(display->drm, + "Unable to read selective update x granularity\n"); /* * Spec says that if the value read is 0 the default granularity should * be used instead. @@ -476,10 +581,12 @@ static void intel_dp_get_su_granularity(struct intel_dp *intel_dp) if (r != 2 || w == 0) w = 4; - r = drm_dp_dpcd_read(&intel_dp->aux, DP_PSR2_SU_Y_GRANULARITY, &y, 1); + r = drm_dp_dpcd_read(&intel_dp->aux, + intel_dp_get_su_y_granularity_offset(intel_dp), + &y, 1); if (r != 1) { - drm_dbg_kms(&i915->drm, - "Unable to read DP_PSR2_SU_Y_GRANULARITY\n"); + drm_dbg_kms(display->drm, + "Unable to read selective update y granularity\n"); y = 4; } if (y == 0) @@ -492,39 +599,48 @@ exit: static void _panel_replay_init_dpcd(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - u8 pr_dpcd = 0; + struct intel_display *display = to_intel_display(intel_dp); - intel_dp->psr.sink_panel_replay_support = false; - drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP, &pr_dpcd); + if (intel_dp_is_edp(intel_dp)) { + if (!intel_alpm_aux_less_wake_supported(intel_dp)) { + drm_dbg_kms(display->drm, + "Panel doesn't support AUX-less ALPM, eDP Panel Replay not possible\n"); + return; + } - if (!(pr_dpcd & DP_PANEL_REPLAY_SUPPORT)) { - drm_dbg_kms(&i915->drm, - "Panel replay is not supported by panel\n"); - return; + if (!(intel_dp->pr_dpcd & DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT)) { + drm_dbg_kms(display->drm, + "Panel doesn't support early transport, eDP Panel Replay not possible\n"); + return; + } } - drm_dbg_kms(&i915->drm, - "Panel replay is supported by panel\n"); intel_dp->psr.sink_panel_replay_support = true; + + if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT) + intel_dp->psr.sink_panel_replay_su_support = true; + + drm_dbg_kms(display->drm, + "Panel replay %sis supported by panel\n", + intel_dp->psr.sink_panel_replay_su_support ? + "selective_update " : ""); } static void _psr_init_dpcd(struct intel_dp *intel_dp) { - struct drm_i915_private *i915 = - to_i915(dp_to_dig_port(intel_dp)->base.base.dev); + struct intel_display *display = to_intel_display(intel_dp); - drm_dbg_kms(&i915->drm, "eDP panel supports PSR version %x\n", + drm_dbg_kms(display->drm, "eDP panel supports PSR version %x\n", intel_dp->psr_dpcd[0]); if (drm_dp_has_quirk(&intel_dp->desc, DP_DPCD_QUIRK_NO_PSR)) { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "PSR support not currently available for this panel\n"); return; } if (!(intel_dp->edp_dpcd[1] & DP_EDP_SET_POWER_CAP)) { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "Panel lacks power state control, PSR cannot be enabled\n"); return; } @@ -533,11 +649,10 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp) intel_dp->psr.sink_sync_latency = intel_dp_get_sink_sync_latency(intel_dp); - if (DISPLAY_VER(i915) >= 9 && + if (DISPLAY_VER(display) >= 9 && intel_dp->psr_dpcd[0] >= DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) { bool y_req = intel_dp->psr_dpcd[1] & DP_PSR2_SU_Y_COORDINATE_REQUIRED; - bool alpm = intel_dp_get_alpm_status(intel_dp); /* * All panels that supports PSR version 03h (PSR2 + @@ -550,29 +665,34 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp) * Y-coordinate requirement panels we would need to enable * GTC first. */ - intel_dp->psr.sink_psr2_support = y_req && alpm; - drm_dbg_kms(&i915->drm, "PSR2 %ssupported\n", + intel_dp->psr.sink_psr2_support = y_req && + intel_alpm_aux_wake_supported(intel_dp); + drm_dbg_kms(display->drm, "PSR2 %ssupported\n", intel_dp->psr.sink_psr2_support ? "" : "not "); } } void intel_psr_init_dpcd(struct intel_dp *intel_dp) { - _panel_replay_init_dpcd(intel_dp); - drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd, sizeof(intel_dp->psr_dpcd)); + drm_dp_dpcd_readb(&intel_dp->aux, DP_PANEL_REPLAY_CAP, + &intel_dp->pr_dpcd); + + if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SUPPORT) + _panel_replay_init_dpcd(intel_dp); if (intel_dp->psr_dpcd[0]) _psr_init_dpcd(intel_dp); - if (intel_dp->psr.sink_psr2_support) + if (intel_dp->psr.sink_psr2_support || + intel_dp->psr.sink_panel_replay_su_support) intel_dp_get_su_granularity(intel_dp); } static void hsw_psr_setup_aux(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 aux_clock_divider, aux_ctl; /* write DP_SET_POWER=D0 */ @@ -587,8 +707,8 @@ static void hsw_psr_setup_aux(struct intel_dp *intel_dp) BUILD_BUG_ON(sizeof(aux_msg) > 20); for (i = 0; i < sizeof(aux_msg); i += 4) - intel_de_write(dev_priv, - psr_aux_data_reg(dev_priv, cpu_transcoder, i >> 2), + intel_de_write(display, + psr_aux_data_reg(display, cpu_transcoder, i >> 2), intel_dp_aux_pack(&aux_msg[i], sizeof(aux_msg) - i)); aux_clock_divider = intel_dp->get_aux_clock_divider(intel_dp, 0); @@ -603,68 +723,110 @@ static void hsw_psr_setup_aux(struct intel_dp *intel_dp) EDP_PSR_AUX_CTL_PRECHARGE_2US_MASK | EDP_PSR_AUX_CTL_BIT_CLOCK_2X_MASK; - intel_de_write(dev_priv, psr_aux_ctl_reg(dev_priv, cpu_transcoder), + intel_de_write(display, psr_aux_ctl_reg(display, cpu_transcoder), aux_ctl); } -static bool psr2_su_region_et_valid(struct intel_dp *intel_dp) +static bool psr2_su_region_et_valid(struct intel_dp *intel_dp, bool panel_replay) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); - if (DISPLAY_VER(i915) >= 20 && - intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_ET_SUPPORTED && - !(intel_dp->psr.debug & I915_PSR_DEBUG_SU_REGION_ET_DISABLE)) - return true; + if (DISPLAY_VER(display) < 20 || !intel_dp_is_edp(intel_dp) || + intel_dp->psr.debug & I915_PSR_DEBUG_SU_REGION_ET_DISABLE) + return false; - return false; + return panel_replay ? + intel_dp->pr_dpcd & DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT : + intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_ET_SUPPORTED && + psr2_su_region_et_global_enabled(intel_dp); } -static void intel_psr_enable_sink(struct intel_dp *intel_dp) +static void _panel_replay_enable_sink(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - u8 dpcd_val = DP_PSR_ENABLE; + u8 val = DP_PANEL_REPLAY_ENABLE | + DP_PANEL_REPLAY_VSC_SDP_CRC_EN | + DP_PANEL_REPLAY_UNRECOVERABLE_ERROR_EN | + DP_PANEL_REPLAY_RFB_STORAGE_ERROR_EN | + DP_PANEL_REPLAY_ACTIVE_FRAME_CRC_ERROR_EN; + u8 panel_replay_config2 = DP_PANEL_REPLAY_CRC_VERIFICATION; - if (intel_dp->psr.panel_replay_enabled) - return; + if (crtc_state->has_sel_update) + val |= DP_PANEL_REPLAY_SU_ENABLE; + + if (crtc_state->enable_psr2_su_region_et) + val |= DP_PANEL_REPLAY_ENABLE_SU_REGION_ET; - if (intel_dp->psr.psr2_enabled) { - /* Enable ALPM at sink for psr2 */ - drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, - DP_ALPM_ENABLE | - DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE); + if (crtc_state->req_psr2_sdp_prior_scanline) + panel_replay_config2 |= + DP_PANEL_REPLAY_SU_REGION_SCANLINE_CAPTURE; - dpcd_val |= DP_PSR_ENABLE_PSR2 | DP_PSR_IRQ_HPD_WITH_CRC_ERRORS; - if (psr2_su_region_et_valid(intel_dp)) - dpcd_val |= DP_PSR_ENABLE_SU_REGION_ET; + drm_dp_dpcd_writeb(&intel_dp->aux, PANEL_REPLAY_CONFIG, val); + + drm_dp_dpcd_writeb(&intel_dp->aux, PANEL_REPLAY_CONFIG2, + panel_replay_config2); +} + +static void _psr_enable_sink(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(intel_dp); + u8 val = 0; + + if (crtc_state->has_sel_update) { + val |= DP_PSR_ENABLE_PSR2 | DP_PSR_IRQ_HPD_WITH_CRC_ERRORS; } else { if (intel_dp->psr.link_standby) - dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE; + val |= DP_PSR_MAIN_LINK_ACTIVE; - if (DISPLAY_VER(dev_priv) >= 8) - dpcd_val |= DP_PSR_CRC_VERIFICATION; + if (DISPLAY_VER(display) >= 8) + val |= DP_PSR_CRC_VERIFICATION; } - if (intel_dp->psr.req_psr2_sdp_prior_scanline) - dpcd_val |= DP_PSR_SU_REGION_SCANLINE_CAPTURE; + if (crtc_state->req_psr2_sdp_prior_scanline) + val |= DP_PSR_SU_REGION_SCANLINE_CAPTURE; + + if (crtc_state->enable_psr2_su_region_et) + val |= DP_PANEL_REPLAY_ENABLE_SU_REGION_ET; if (intel_dp->psr.entry_setup_frames > 0) - dpcd_val |= DP_PSR_FRAME_CAPTURE; + val |= DP_PSR_FRAME_CAPTURE; + drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, val); - drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, dpcd_val); + val |= DP_PSR_ENABLE; + drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, val); +} - drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0); +static void intel_psr_enable_sink(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state) +{ + intel_alpm_enable_sink(intel_dp, crtc_state); + + crtc_state->has_panel_replay ? + _panel_replay_enable_sink(intel_dp, crtc_state) : + _psr_enable_sink(intel_dp, crtc_state); + + if (intel_dp_is_edp(intel_dp)) + drm_dp_dpcd_writeb(&intel_dp->aux, DP_SET_POWER, DP_SET_POWER_D0); +} + +void intel_psr_panel_replay_enable_sink(struct intel_dp *intel_dp) +{ + if (CAN_PANEL_REPLAY(intel_dp)) + drm_dp_dpcd_writeb(&intel_dp->aux, PANEL_REPLAY_CONFIG, + DP_PANEL_REPLAY_ENABLE); } static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_connector *connector = intel_dp->attached_connector; - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); u32 val = 0; - if (DISPLAY_VER(dev_priv) >= 11) + if (DISPLAY_VER(display) >= 11) val |= EDP_PSR_TP4_TIME_0us; - if (dev_priv->display.params.psr_safest_params) { + if (display->params.psr_safest_params) { val |= EDP_PSR_TP1_TIME_2500us; val |= EDP_PSR_TP2_TP3_TIME_2500us; goto check_tp3_sel; @@ -692,13 +854,13 @@ static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp) * WA 0479: hsw,bdw * "Do not skip both TP1 and TP2/TP3" */ - if (DISPLAY_VER(dev_priv) < 9 && + if (DISPLAY_VER(display) < 9 && connector->panel.vbt.psr.tp1_wakeup_time_us == 0 && connector->panel.vbt.psr.tp2_tp3_wakeup_time_us == 0) val |= EDP_PSR_TP2_TP3_TIME_100us; check_tp3_sel: - if (intel_dp_source_supports_tps3(dev_priv) && + if (intel_dp_source_supports_tps3(display) && drm_dp_tps3_supported(intel_dp->dpcd)) val |= EDP_PSR_TP_TP1_TP3; else @@ -709,8 +871,8 @@ check_tp3_sel: static u8 psr_compute_idle_frames(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_connector *connector = intel_dp->attached_connector; - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); int idle_frames; /* Let's use 6 as the minimum to cover all known cases including the @@ -719,25 +881,37 @@ static u8 psr_compute_idle_frames(struct intel_dp *intel_dp) idle_frames = max(6, connector->panel.vbt.psr.idle_frames); idle_frames = max(idle_frames, intel_dp->psr.sink_sync_latency + 1); - if (drm_WARN_ON(&dev_priv->drm, idle_frames > 0xf)) + if (drm_WARN_ON(display->drm, idle_frames > 0xf)) idle_frames = 0xf; return idle_frames; } +static bool is_dc5_dc6_blocked(struct intel_dp *intel_dp) +{ + struct intel_display *display = to_intel_display(intel_dp); + u32 current_dc_state = intel_display_power_get_current_dc_state(display); + struct drm_vblank_crtc *vblank = &display->drm->vblank[intel_dp->psr.pipe]; + + return (current_dc_state != DC_STATE_EN_UPTO_DC5 && + current_dc_state != DC_STATE_EN_UPTO_DC6) || + intel_dp->psr.active_non_psr_pipes || + READ_ONCE(vblank->enabled); +} + static void hsw_activate_psr1(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 max_sleep_time = 0x1f; u32 val = EDP_PSR_ENABLE; val |= EDP_PSR_IDLE_FRAMES(psr_compute_idle_frames(intel_dp)); - if (DISPLAY_VER(dev_priv) < 20) + if (DISPLAY_VER(display) < 20) val |= EDP_PSR_MAX_SLEEP_TIME(max_sleep_time); - if (IS_HASWELL(dev_priv)) + if (display->platform.haswell) val |= EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES; if (intel_dp->psr.link_standby) @@ -745,23 +919,31 @@ static void hsw_activate_psr1(struct intel_dp *intel_dp) val |= intel_psr1_get_tp_time(intel_dp); - if (DISPLAY_VER(dev_priv) >= 8) + if (DISPLAY_VER(display) >= 8) val |= EDP_PSR_CRC_ENABLE; - if (DISPLAY_VER(dev_priv) >= 20) + if (DISPLAY_VER(display) >= 20) val |= LNL_EDP_PSR_ENTRY_SETUP_FRAMES(intel_dp->psr.entry_setup_frames); - intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), + intel_de_rmw(display, psr_ctl_reg(display, cpu_transcoder), ~EDP_PSR_RESTORE_PSR_ACTIVE_CTX_MASK, val); + + /* Wa_16025596647 */ + if ((DISPLAY_VER(display) == 20 || + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) && + is_dc5_dc6_blocked(intel_dp)) + intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(display, + intel_dp->psr.pipe, + true); } static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_connector *connector = intel_dp->attached_connector; - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); u32 val = 0; - if (dev_priv->display.params.psr_safest_params) + if (display->params.psr_safest_params) return EDP_PSR2_TP2_TIME_2500us; if (connector->panel.vbt.psr.psr2_tp2_tp3_wakeup_time_us >= 0 && @@ -779,8 +961,8 @@ static u32 intel_psr2_get_tp_time(struct intel_dp *intel_dp) static int psr2_block_count_lines(struct intel_dp *intel_dp) { - return intel_dp->psr.alpm_parameters.io_wake_lines < 9 && - intel_dp->psr.alpm_parameters.fast_wake_lines < 9 ? 8 : 12; + return intel_dp->alpm_parameters.io_wake_lines < 9 && + intel_dp->alpm_parameters.fast_wake_lines < 9 ? 8 : 12; } static int psr2_block_count(struct intel_dp *intel_dp) @@ -805,36 +987,57 @@ static u8 frames_before_su_entry(struct intel_dp *intel_dp) static void dg2_activate_panel_replay(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); + struct intel_psr *psr = &intel_dp->psr; + enum transcoder cpu_transcoder = intel_dp->psr.transcoder; + + if (intel_dp_is_edp(intel_dp) && psr->sel_update_enabled) { + u32 val = psr->su_region_et_enabled ? + LNL_EDP_PSR2_SU_REGION_ET_ENABLE : 0; + + if (intel_dp->psr.req_psr2_sdp_prior_scanline) + val |= EDP_PSR2_SU_SDP_SCANLINE; + + intel_de_write(display, EDP_PSR2_CTL(display, cpu_transcoder), + val); + } - intel_de_rmw(dev_priv, PSR2_MAN_TRK_CTL(intel_dp->psr.transcoder), + intel_de_rmw(display, + PSR2_MAN_TRK_CTL(display, intel_dp->psr.transcoder), 0, ADLP_PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME); - intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder), 0, + intel_de_rmw(display, TRANS_DP2_CTL(intel_dp->psr.transcoder), 0, TRANS_DP2_PANEL_REPLAY_ENABLE); } static void hsw_activate_psr2(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct intel_psr *psr = &intel_dp->psr; + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 val = EDP_PSR2_ENABLE; u32 psr_val = 0; + u8 idle_frames; - val |= EDP_PSR2_IDLE_FRAMES(psr_compute_idle_frames(intel_dp)); + /* Wa_16025596647 */ + if ((DISPLAY_VER(display) == 20 || + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) && + is_dc5_dc6_blocked(intel_dp)) + idle_frames = 0; + else + idle_frames = psr_compute_idle_frames(intel_dp); + val |= EDP_PSR2_IDLE_FRAMES(idle_frames); - if (DISPLAY_VER(dev_priv) < 14 && !IS_ALDERLAKE_P(dev_priv)) + if (DISPLAY_VER(display) < 14 && !display->platform.alderlake_p) val |= EDP_SU_TRACK_ENABLE; - if (DISPLAY_VER(dev_priv) >= 10 && DISPLAY_VER(dev_priv) < 13) + if (DISPLAY_VER(display) >= 10 && DISPLAY_VER(display) < 13) val |= EDP_Y_COORDINATE_ENABLE; val |= EDP_PSR2_FRAME_BEFORE_SU(frames_before_su_entry(intel_dp)); val |= intel_psr2_get_tp_time(intel_dp); - if (DISPLAY_VER(dev_priv) >= 12) { + if (DISPLAY_VER(display) >= 12 && DISPLAY_VER(display) < 20) { if (psr2_block_count(intel_dp) > 2) val |= TGL_EDP_PSR2_BLOCK_COUNT_NUM_3; else @@ -842,7 +1045,7 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) } /* Wa_22012278275:adl-p */ - if (IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_E0)) { + if (display->platform.alderlake_p && IS_DISPLAY_STEP(display, STEP_A0, STEP_E0)) { static const u8 map[] = { 2, /* 5 lines */ 1, /* 6 lines */ @@ -855,59 +1058,63 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp) }; /* * Still using the default IO_BUFFER_WAKE and FAST_WAKE, see - * comments bellow for more information + * comments below for more information */ int tmp; - tmp = map[psr->alpm_parameters.io_wake_lines - + tmp = map[intel_dp->alpm_parameters.io_wake_lines - TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES]; val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(tmp + TGL_EDP_PSR2_IO_BUFFER_WAKE_MIN_LINES); - tmp = map[psr->alpm_parameters.fast_wake_lines - TGL_EDP_PSR2_FAST_WAKE_MIN_LINES]; + tmp = map[intel_dp->alpm_parameters.fast_wake_lines - TGL_EDP_PSR2_FAST_WAKE_MIN_LINES]; val |= TGL_EDP_PSR2_FAST_WAKE(tmp + TGL_EDP_PSR2_FAST_WAKE_MIN_LINES); - } else if (DISPLAY_VER(dev_priv) >= 12) { - val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(psr->alpm_parameters.io_wake_lines); - val |= TGL_EDP_PSR2_FAST_WAKE(psr->alpm_parameters.fast_wake_lines); - } else if (DISPLAY_VER(dev_priv) >= 9) { - val |= EDP_PSR2_IO_BUFFER_WAKE(psr->alpm_parameters.io_wake_lines); - val |= EDP_PSR2_FAST_WAKE(psr->alpm_parameters.fast_wake_lines); + } else if (DISPLAY_VER(display) >= 20) { + val |= LNL_EDP_PSR2_IO_BUFFER_WAKE(intel_dp->alpm_parameters.io_wake_lines); + } else if (DISPLAY_VER(display) >= 12) { + val |= TGL_EDP_PSR2_IO_BUFFER_WAKE(intel_dp->alpm_parameters.io_wake_lines); + val |= TGL_EDP_PSR2_FAST_WAKE(intel_dp->alpm_parameters.fast_wake_lines); + } else if (DISPLAY_VER(display) >= 9) { + val |= EDP_PSR2_IO_BUFFER_WAKE(intel_dp->alpm_parameters.io_wake_lines); + val |= EDP_PSR2_FAST_WAKE(intel_dp->alpm_parameters.fast_wake_lines); } if (intel_dp->psr.req_psr2_sdp_prior_scanline) val |= EDP_PSR2_SU_SDP_SCANLINE; - if (DISPLAY_VER(dev_priv) >= 20) + if (DISPLAY_VER(display) >= 20) psr_val |= LNL_EDP_PSR_ENTRY_SETUP_FRAMES(intel_dp->psr.entry_setup_frames); if (intel_dp->psr.psr2_sel_fetch_enabled) { u32 tmp; - tmp = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder)); - drm_WARN_ON(&dev_priv->drm, !(tmp & PSR2_MAN_TRK_CTL_ENABLE)); - } else if (HAS_PSR2_SEL_FETCH(dev_priv)) { - intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder), 0); + tmp = intel_de_read(display, + PSR2_MAN_TRK_CTL(display, cpu_transcoder)); + drm_WARN_ON(display->drm, !(tmp & PSR2_MAN_TRK_CTL_ENABLE)); + } else if (HAS_PSR2_SEL_FETCH(display)) { + intel_de_write(display, + PSR2_MAN_TRK_CTL(display, cpu_transcoder), 0); } - if (psr2_su_region_et_valid(intel_dp)) + if (intel_dp->psr.su_region_et_enabled) val |= LNL_EDP_PSR2_SU_REGION_ET_ENABLE; /* * PSR2 HW is incorrectly using EDP_PSR_TP1_TP3_SEL and BSpec is * recommending keep this bit unset while PSR2 is enabled. */ - intel_de_write(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), psr_val); + intel_de_write(display, psr_ctl_reg(display, cpu_transcoder), psr_val); - intel_de_write(dev_priv, EDP_PSR2_CTL(cpu_transcoder), val); + intel_de_write(display, EDP_PSR2_CTL(display, cpu_transcoder), val); } static bool -transcoder_has_psr2(struct drm_i915_private *dev_priv, enum transcoder cpu_transcoder) +transcoder_has_psr2(struct intel_display *display, enum transcoder cpu_transcoder) { - if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) + if (display->platform.alderlake_p || DISPLAY_VER(display) >= 14) return cpu_transcoder == TRANSCODER_A || cpu_transcoder == TRANSCODER_B; - else if (DISPLAY_VER(dev_priv) >= 12) + else if (DISPLAY_VER(display) >= 12) return cpu_transcoder == TRANSCODER_A; - else if (DISPLAY_VER(dev_priv) >= 9) + else if (DISPLAY_VER(display) >= 9) return cpu_transcoder == TRANSCODER_EDP; else return false; @@ -925,27 +1132,27 @@ static u32 intel_get_frame_time_us(const struct intel_crtc_state *crtc_state) static void psr2_program_idle_frames(struct intel_dp *intel_dp, u32 idle_frames) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; - intel_de_rmw(dev_priv, EDP_PSR2_CTL(cpu_transcoder), + intel_de_rmw(display, EDP_PSR2_CTL(display, cpu_transcoder), EDP_PSR2_IDLE_FRAMES_MASK, EDP_PSR2_IDLE_FRAMES(idle_frames)); } static void tgl_psr2_enable_dc3co(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); psr2_program_idle_frames(intel_dp, 0); - intel_display_power_set_target_dc_state(dev_priv, DC_STATE_EN_DC3CO); + intel_display_power_set_target_dc_state(display, DC_STATE_EN_DC3CO); } static void tgl_psr2_disable_dc3co(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); - intel_display_power_set_target_dc_state(dev_priv, DC_STATE_EN_UPTO_DC6); + intel_display_power_set_target_dc_state(display, DC_STATE_EN_UPTO_DC6); psr2_program_idle_frames(intel_dp, psr_compute_idle_frames(intel_dp)); } @@ -978,12 +1185,12 @@ static bool dc3co_is_pipe_port_compatible(struct intel_dp *intel_dp, 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); enum pipe pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); enum port port = dig_port->base.port; - if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) + if (display->platform.alderlake_p || DISPLAY_VER(display) >= 14) return pipe <= PIPE_B && port <= PORT_B; else return pipe == PIPE_A && port == PORT_A; @@ -993,9 +1200,9 @@ static void tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { + struct intel_display *display = to_intel_display(intel_dp); const u32 crtc_vdisplay = crtc_state->uapi.adjusted_mode.crtc_vdisplay; - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct i915_power_domains *power_domains = &dev_priv->display.power.domains; + struct i915_power_domains *power_domains = &display->power.domains; u32 exit_scanlines; /* @@ -1019,7 +1226,7 @@ tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp, return; /* Wa_16011303918:adl-p */ - if (IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) + if (display->platform.alderlake_p && IS_DISPLAY_STEP(display, STEP_A0, STEP_B0)) return; /* @@ -1029,7 +1236,7 @@ tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp, exit_scanlines = intel_usecs_to_scanlines(&crtc_state->uapi.adjusted_mode, 200) + 1; - if (drm_WARN_ON(&dev_priv->drm, exit_scanlines > crtc_vdisplay)) + if (drm_WARN_ON(display->drm, exit_scanlines > crtc_vdisplay)) return; crtc_state->dc3co_exitline = crtc_vdisplay - exit_scanlines; @@ -1038,31 +1245,28 @@ tgl_dc3co_exitline_compute_config(struct intel_dp *intel_dp, static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); - if (!dev_priv->display.params.enable_psr2_sel_fetch && + if (!display->params.enable_psr2_sel_fetch && intel_dp->psr.debug != I915_PSR_DEBUG_ENABLE_SEL_FETCH) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR2 sel fetch not enabled, disabled by parameter\n"); return false; } if (crtc_state->uapi.async_flip) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR2 sel fetch not enabled, async flip enabled\n"); return false; } - if (psr2_su_region_et_valid(intel_dp)) - crtc_state->enable_psr2_su_region_et = true; - return crtc_state->enable_psr2_sel_fetch = true; } static bool psr2_granularity_check(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; const int crtc_hdisplay = crtc_state->hw.adjusted_mode.crtc_hdisplay; const int crtc_vdisplay = crtc_state->hw.adjusted_mode.crtc_vdisplay; @@ -1084,7 +1288,7 @@ static bool psr2_granularity_check(struct intel_dp *intel_dp, * For other platforms with SW tracking we can adjust the y coordinates * to match sink requirement if multiple of 4. */ - if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) + if (display->platform.alderlake_p || DISPLAY_VER(display) >= 14) y_granularity = intel_dp->psr.su_y_granularity; else if (intel_dp->psr.su_y_granularity <= 2) y_granularity = 4; @@ -1105,8 +1309,8 @@ static bool psr2_granularity_check(struct intel_dp *intel_dp, static bool _compute_psr2_sdp_prior_scanline_indication(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { + struct intel_display *display = to_intel_display(intel_dp); const struct drm_display_mode *adjusted_mode = &crtc_state->uapi.adjusted_mode; - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); u32 hblank_total, hblank_ns, req_ns; hblank_total = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start; @@ -1119,91 +1323,22 @@ static bool _compute_psr2_sdp_prior_scanline_indication(struct intel_dp *intel_d return true; /* Not supported <13 / Wa_22012279113:adl-p */ - if (DISPLAY_VER(dev_priv) < 14 || intel_dp->edp_dpcd[0] < DP_EDP_14b) + if (DISPLAY_VER(display) < 14 || intel_dp->edp_dpcd[0] < DP_EDP_14b) return false; crtc_state->req_psr2_sdp_prior_scanline = true; return true; } -static bool _lnl_compute_alpm_params(struct intel_dp *intel_dp, - struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - int check_entry_lines; - - if (DISPLAY_VER(i915) < 20) - return true; - - /* ALPM Entry Check = 2 + CEILING( 5us /tline ) */ - check_entry_lines = 2 + - intel_usecs_to_scanlines(&crtc_state->hw.adjusted_mode, 5); - - if (check_entry_lines > 15) - return false; - - if (i915->display.params.psr_safest_params) - check_entry_lines = 15; - - intel_dp->psr.alpm_parameters.check_entry_lines = check_entry_lines; - - return true; -} - -static bool _compute_alpm_params(struct intel_dp *intel_dp, - struct intel_crtc_state *crtc_state) -{ - struct drm_i915_private *i915 = dp_to_i915(intel_dp); - int io_wake_lines, io_wake_time, fast_wake_lines, fast_wake_time; - u8 max_wake_lines; - - if (DISPLAY_VER(i915) >= 12) { - io_wake_time = 42; - /* - * According to Bspec it's 42us, but based on testing - * it is not enough -> use 45 us. - */ - fast_wake_time = 45; - - /* TODO: Check how we can use ALPM_CTL fast wake extended field */ - max_wake_lines = 12; - } else { - io_wake_time = 50; - fast_wake_time = 32; - max_wake_lines = 8; - } - - io_wake_lines = intel_usecs_to_scanlines( - &crtc_state->hw.adjusted_mode, io_wake_time); - fast_wake_lines = intel_usecs_to_scanlines( - &crtc_state->hw.adjusted_mode, fast_wake_time); - - if (io_wake_lines > max_wake_lines || - fast_wake_lines > max_wake_lines) - return false; - - if (!_lnl_compute_alpm_params(intel_dp, crtc_state)) - return false; - - if (i915->display.params.psr_safest_params) - io_wake_lines = fast_wake_lines = max_wake_lines; - - /* According to Bspec lower limit should be set as 7 lines. */ - intel_dp->psr.alpm_parameters.io_wake_lines = max(io_wake_lines, 7); - intel_dp->psr.alpm_parameters.fast_wake_lines = max(fast_wake_lines, 7); - - return true; -} - static int intel_psr_entry_setup_frames(struct intel_dp *intel_dp, const struct drm_display_mode *adjusted_mode) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); int psr_setup_time = drm_dp_psr_setup_time(intel_dp->psr_dpcd); int entry_setup_frames = 0; if (psr_setup_time < 0) { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "PSR condition failed: Invalid PSR setup time (0x%02x)\n", intel_dp->psr_dpcd[1]); return -ETIME; @@ -1211,14 +1346,14 @@ static int intel_psr_entry_setup_frames(struct intel_dp *intel_dp, if (intel_usecs_to_scanlines(adjusted_mode, psr_setup_time) > adjusted_mode->crtc_vtotal - adjusted_mode->crtc_vdisplay - 1) { - if (DISPLAY_VER(i915) >= 20) { + if (DISPLAY_VER(display) >= 20) { /* setup entry frames can be up to 3 frames */ entry_setup_frames = 1; - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "PSR setup entry frames %d\n", entry_setup_frames); } else { - drm_dbg_kms(&i915->drm, + drm_dbg_kms(display->drm, "PSR condition failed: PSR setup time (%d us) too long\n", psr_setup_time); return -ETIME; @@ -1228,10 +1363,57 @@ static int intel_psr_entry_setup_frames(struct intel_dp *intel_dp, return entry_setup_frames; } +static bool wake_lines_fit_into_vblank(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + bool aux_less) +{ + struct intel_display *display = to_intel_display(intel_dp); + int vblank = crtc_state->hw.adjusted_mode.crtc_vblank_end - + crtc_state->hw.adjusted_mode.crtc_vblank_start; + int wake_lines; + + if (aux_less) + wake_lines = intel_dp->alpm_parameters.aux_less_wake_lines; + else + wake_lines = DISPLAY_VER(display) < 20 ? + psr2_block_count_lines(intel_dp) : + intel_dp->alpm_parameters.io_wake_lines; + + if (crtc_state->req_psr2_sdp_prior_scanline) + vblank -= 1; + + /* Vblank >= PSR2_CTL Block Count Number maximum line count */ + if (vblank < wake_lines) + return false; + + return true; +} + +static bool alpm_config_valid(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + bool aux_less) +{ + struct intel_display *display = to_intel_display(intel_dp); + + if (!intel_alpm_compute_params(intel_dp, crtc_state)) { + drm_dbg_kms(display->drm, + "PSR2/Panel Replay not enabled, Unable to use long enough wake times\n"); + return false; + } + + if (!wake_lines_fit_into_vblank(intel_dp, crtc_state, aux_less)) { + drm_dbg_kms(display->drm, + "PSR2/Panel Replay not enabled, too short vblank time\n"); + return false; + } + + return true; +} + static bool intel_psr2_config_valid(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); int crtc_hdisplay = crtc_state->hw.adjusted_mode.crtc_hdisplay; int crtc_vdisplay = crtc_state->hw.adjusted_mode.crtc_vdisplay; int psr_max_h = 0, psr_max_v = 0, max_bpp = 0; @@ -1240,69 +1422,64 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, return false; /* JSL and EHL only supports eDP 1.3 */ - if (IS_JASPERLAKE(dev_priv) || IS_ELKHARTLAKE(dev_priv)) { - drm_dbg_kms(&dev_priv->drm, "PSR2 not supported by phy\n"); + if (display->platform.jasperlake || display->platform.elkhartlake) { + drm_dbg_kms(display->drm, "PSR2 not supported by phy\n"); return false; } /* Wa_16011181250 */ - if (IS_ROCKETLAKE(dev_priv) || IS_ALDERLAKE_S(dev_priv) || - IS_DG2(dev_priv)) { - drm_dbg_kms(&dev_priv->drm, "PSR2 is defeatured for this platform\n"); + if (display->platform.rocketlake || display->platform.alderlake_s || + display->platform.dg2) { + drm_dbg_kms(display->drm, + "PSR2 is defeatured for this platform\n"); return false; } - if (IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) { - drm_dbg_kms(&dev_priv->drm, "PSR2 not completely functional in this stepping\n"); + if (display->platform.alderlake_p && IS_DISPLAY_STEP(display, STEP_A0, STEP_B0)) { + drm_dbg_kms(display->drm, + "PSR2 not completely functional in this stepping\n"); return false; } - if (!transcoder_has_psr2(dev_priv, crtc_state->cpu_transcoder)) { - drm_dbg_kms(&dev_priv->drm, + if (!transcoder_has_psr2(display, crtc_state->cpu_transcoder)) { + drm_dbg_kms(display->drm, "PSR2 not supported in transcoder %s\n", transcoder_name(crtc_state->cpu_transcoder)); return false; } - if (!psr2_global_enabled(intel_dp)) { - drm_dbg_kms(&dev_priv->drm, "PSR2 disabled by flag\n"); - return false; - } - /* * DSC and PSR2 cannot be enabled simultaneously. If a requested * resolution requires DSC to be enabled, priority is given to DSC * over PSR2. */ if (crtc_state->dsc.compression_enable && - (DISPLAY_VER(dev_priv) < 14 && !IS_ALDERLAKE_P(dev_priv))) { - drm_dbg_kms(&dev_priv->drm, + (DISPLAY_VER(display) < 14 && !display->platform.alderlake_p)) { + drm_dbg_kms(display->drm, "PSR2 cannot be enabled since DSC is enabled\n"); return false; } - if (crtc_state->crc_enabled) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 not enabled because it would inhibit pipe CRC calculation\n"); - return false; - } - - if (DISPLAY_VER(dev_priv) >= 12) { + if (DISPLAY_VER(display) >= 20) { + psr_max_h = crtc_hdisplay; + psr_max_v = crtc_vdisplay; + max_bpp = crtc_state->pipe_bpp; + } else if (IS_DISPLAY_VER(display, 12, 14)) { psr_max_h = 5120; psr_max_v = 3200; max_bpp = 30; - } else if (DISPLAY_VER(dev_priv) >= 10) { + } else if (IS_DISPLAY_VER(display, 10, 11)) { psr_max_h = 4096; psr_max_v = 2304; max_bpp = 24; - } else if (DISPLAY_VER(dev_priv) == 9) { + } else if (DISPLAY_VER(display) == 9) { psr_max_h = 3640; psr_max_v = 2304; max_bpp = 24; } if (crtc_state->pipe_bpp > max_bpp) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR2 not enabled, pipe bpp %d > max supported %d\n", crtc_state->pipe_bpp, max_bpp); return false; @@ -1310,57 +1487,76 @@ static bool intel_psr2_config_valid(struct intel_dp *intel_dp, /* Wa_16011303918:adl-p */ if (crtc_state->vrr.enable && - IS_ALDERLAKE_P(dev_priv) && IS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_B0)) { - drm_dbg_kms(&dev_priv->drm, + display->platform.alderlake_p && IS_DISPLAY_STEP(display, STEP_A0, STEP_B0)) { + drm_dbg_kms(display->drm, "PSR2 not enabled, not compatible with HW stepping + VRR\n"); return false; } - if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 not enabled, PSR2 SDP indication do not fit in hblank\n"); + if (!alpm_config_valid(intel_dp, crtc_state, false)) return false; - } - if (!_compute_alpm_params(intel_dp, crtc_state)) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 not enabled, Unable to use long enough wake times\n"); + if (!crtc_state->enable_psr2_sel_fetch && + (crtc_hdisplay > psr_max_h || crtc_vdisplay > psr_max_v)) { + drm_dbg_kms(display->drm, + "PSR2 not enabled, resolution %dx%d > max supported %dx%d\n", + crtc_hdisplay, crtc_vdisplay, + psr_max_h, psr_max_v); return false; } - /* Vblank >= PSR2_CTL Block Count Number maximum line count */ - if (crtc_state->hw.adjusted_mode.crtc_vblank_end - - crtc_state->hw.adjusted_mode.crtc_vblank_start < - psr2_block_count_lines(intel_dp)) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 not enabled, too short vblank time\n"); - return false; + tgl_dc3co_exitline_compute_config(intel_dp, crtc_state); + + return true; +} + +static bool intel_sel_update_config_valid(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(intel_dp); + + if (HAS_PSR2_SEL_FETCH(display) && + !intel_psr2_sel_fetch_config_valid(intel_dp, crtc_state) && + !HAS_PSR_HW_TRACKING(display)) { + drm_dbg_kms(display->drm, + "Selective update not enabled, selective fetch not valid and no HW tracking available\n"); + goto unsupported; } - if (HAS_PSR2_SEL_FETCH(dev_priv)) { - if (!intel_psr2_sel_fetch_config_valid(intel_dp, crtc_state) && - !HAS_PSR_HW_TRACKING(dev_priv)) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 not enabled, selective fetch not valid and no HW tracking available\n"); - return false; - } + if (!psr2_global_enabled(intel_dp)) { + drm_dbg_kms(display->drm, + "Selective update disabled by flag\n"); + goto unsupported; } - if (!psr2_granularity_check(intel_dp, crtc_state)) { - drm_dbg_kms(&dev_priv->drm, "PSR2 not enabled, SU granularity not compatible\n"); + if (!crtc_state->has_panel_replay && !intel_psr2_config_valid(intel_dp, crtc_state)) + goto unsupported; + + if (!_compute_psr2_sdp_prior_scanline_indication(intel_dp, crtc_state)) { + drm_dbg_kms(display->drm, + "Selective update not enabled, SDP indication do not fit in hblank\n"); goto unsupported; } - if (!crtc_state->enable_psr2_sel_fetch && - (crtc_hdisplay > psr_max_h || crtc_vdisplay > psr_max_v)) { - drm_dbg_kms(&dev_priv->drm, - "PSR2 not enabled, resolution %dx%d > max supported %dx%d\n", - crtc_hdisplay, crtc_vdisplay, - psr_max_h, psr_max_v); + if (crtc_state->has_panel_replay && (DISPLAY_VER(display) < 14 || + !intel_dp->psr.sink_panel_replay_su_support)) + goto unsupported; + + if (crtc_state->crc_enabled) { + drm_dbg_kms(display->drm, + "Selective update not enabled because it would inhibit pipe CRC calculation\n"); goto unsupported; } - tgl_dc3co_exitline_compute_config(intel_dp, crtc_state); + if (!psr2_granularity_check(intel_dp, crtc_state)) { + drm_dbg_kms(display->drm, + "Selective update not enabled, SU granularity not compatible\n"); + goto unsupported; + } + + crtc_state->enable_psr2_su_region_et = + psr2_su_region_et_valid(intel_dp, crtc_state->has_panel_replay); + return true; unsupported: @@ -1371,17 +1567,10 @@ unsupported: static bool _psr_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; int entry_setup_frames; - /* - * Current PSR panels don't work reliably with VRR enabled - * So if VRR is enabled, do not enable PSR. - */ - if (crtc_state->vrr.enable) - return false; - if (!CAN_PSR(intel_dp)) return false; @@ -1390,7 +1579,7 @@ static bool _psr_compute_config(struct intel_dp *intel_dp, if (entry_setup_frames >= 0) { intel_dp->psr.entry_setup_frames = entry_setup_frames; } else { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR condition failed: PSR setup timing not met\n"); return false; } @@ -1398,45 +1587,158 @@ static bool _psr_compute_config(struct intel_dp *intel_dp, return true; } +static bool +_panel_replay_compute_config(struct intel_dp *intel_dp, + const struct intel_crtc_state *crtc_state, + const struct drm_connector_state *conn_state) +{ + struct intel_display *display = to_intel_display(intel_dp); + struct intel_connector *connector = + to_intel_connector(conn_state->connector); + struct intel_hdcp *hdcp = &connector->hdcp; + + if (!CAN_PANEL_REPLAY(intel_dp)) + return false; + + if (!panel_replay_global_enabled(intel_dp)) { + drm_dbg_kms(display->drm, "Panel Replay disabled by flag\n"); + return false; + } + + if (crtc_state->crc_enabled) { + drm_dbg_kms(display->drm, + "Panel Replay not enabled because it would inhibit pipe CRC calculation\n"); + return false; + } + + if (!intel_dp_is_edp(intel_dp)) + return true; + + /* Remaining checks are for eDP only */ + + if (to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_A && + to_intel_crtc(crtc_state->uapi.crtc)->pipe != PIPE_B) + return false; + + /* 128b/132b Panel Replay is not supported on eDP */ + if (intel_dp_is_uhbr(crtc_state)) { + drm_dbg_kms(display->drm, + "Panel Replay is not supported with 128b/132b\n"); + return false; + } + + /* HW will not allow Panel Replay on eDP when HDCP enabled */ + if (conn_state->content_protection == + DRM_MODE_CONTENT_PROTECTION_DESIRED || + (conn_state->content_protection == + DRM_MODE_CONTENT_PROTECTION_ENABLED && hdcp->value == + DRM_MODE_CONTENT_PROTECTION_UNDESIRED)) { + drm_dbg_kms(display->drm, + "Panel Replay is not supported with HDCP\n"); + return false; + } + + if (!alpm_config_valid(intel_dp, crtc_state, true)) + return false; + + return true; +} + +static bool intel_psr_needs_wa_18037818876(struct intel_dp *intel_dp, + struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(intel_dp); + + return (DISPLAY_VER(display) == 20 && intel_dp->psr.entry_setup_frames > 0 && + !crtc_state->has_sel_update); +} + void intel_psr_compute_config(struct intel_dp *intel_dp, struct intel_crtc_state *crtc_state, struct drm_connector_state *conn_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); const struct drm_display_mode *adjusted_mode = &crtc_state->hw.adjusted_mode; + struct intel_atomic_state *state = to_intel_atomic_state(crtc_state->uapi.state); + struct intel_crtc *crtc; + u8 active_pipes = 0; if (!psr_global_enabled(intel_dp)) { - drm_dbg_kms(&dev_priv->drm, "PSR disabled by flag\n"); + drm_dbg_kms(display->drm, "PSR disabled by flag\n"); return; } if (intel_dp->psr.sink_not_reliable) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR sink implementation is not reliable\n"); return; } if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) { - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR condition failed: Interlaced mode enabled\n"); return; } - if (CAN_PANEL_REPLAY(intel_dp)) - crtc_state->has_panel_replay = true; - else - crtc_state->has_psr = _psr_compute_config(intel_dp, crtc_state); + /* + * FIXME figure out what is wrong with PSR+joiner and + * fix it. Presumably something related to the fact that + * PSR is a transcoder level feature. + */ + if (crtc_state->joiner_pipes) { + drm_dbg_kms(display->drm, + "PSR disabled due to joiner\n"); + return; + } + + /* + * Currently PSR/PR doesn't work reliably with VRR enabled. + */ + if (crtc_state->vrr.enable) + return; + + crtc_state->has_panel_replay = _panel_replay_compute_config(intel_dp, + crtc_state, + conn_state); + + crtc_state->has_psr = crtc_state->has_panel_replay ? true : + _psr_compute_config(intel_dp, crtc_state); + + if (!crtc_state->has_psr) + return; + + crtc_state->has_sel_update = intel_sel_update_config_valid(intel_dp, crtc_state); - if (!(crtc_state->has_panel_replay || crtc_state->has_psr)) + /* Wa_18037818876 */ + if (intel_psr_needs_wa_18037818876(intel_dp, crtc_state)) { + crtc_state->has_psr = false; + drm_dbg_kms(display->drm, + "PSR disabled to workaround PSR FSM hang issue\n"); + } + + /* Rest is for Wa_16025596647 */ + if (DISPLAY_VER(display) != 20 && + !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) return; - crtc_state->has_psr2 = intel_psr2_config_valid(intel_dp, crtc_state); + /* Not needed by Panel Replay */ + if (crtc_state->has_panel_replay) + return; + + /* We ignore possible secondary PSR/Panel Replay capable eDP */ + for_each_intel_crtc(display->drm, crtc) + active_pipes |= crtc->active ? BIT(crtc->pipe) : 0; + + active_pipes = intel_calc_active_pipes(state, active_pipes); + + crtc_state->active_non_psr_pipes = active_pipes & + ~BIT(to_intel_crtc(crtc_state->uapi.crtc)->pipe); } void intel_psr_get_config(struct intel_encoder *encoder, struct intel_crtc_state *pipe_config) { - 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 transcoder cpu_transcoder = pipe_config->cpu_transcoder; struct intel_dp *intel_dp; @@ -1454,7 +1756,7 @@ void intel_psr_get_config(struct intel_encoder *encoder, goto unlock; if (intel_dp->psr.panel_replay_enabled) { - pipe_config->has_panel_replay = true; + pipe_config->has_psr = pipe_config->has_panel_replay = true; } else { /* * Not possible to read EDP_PSR/PSR2_CTL registers as it is @@ -1463,20 +1765,24 @@ void intel_psr_get_config(struct intel_encoder *encoder, pipe_config->has_psr = true; } - pipe_config->has_psr2 = intel_dp->psr.psr2_enabled; + pipe_config->has_sel_update = intel_dp->psr.sel_update_enabled; pipe_config->infoframes.enable |= intel_hdmi_infoframe_enable(DP_SDP_VSC); - if (!intel_dp->psr.psr2_enabled) + if (!intel_dp->psr.sel_update_enabled) goto unlock; - if (HAS_PSR2_SEL_FETCH(dev_priv)) { - val = intel_de_read(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder)); + if (HAS_PSR2_SEL_FETCH(display)) { + val = intel_de_read(display, + PSR2_MAN_TRK_CTL(display, cpu_transcoder)); if (val & PSR2_MAN_TRK_CTL_ENABLE) pipe_config->enable_psr2_sel_fetch = true; } - if (DISPLAY_VER(dev_priv) >= 12) { - val = intel_de_read(dev_priv, TRANS_EXITLINE(cpu_transcoder)); + pipe_config->enable_psr2_su_region_et = intel_dp->psr.su_region_et_enabled; + + if (DISPLAY_VER(display) >= 12) { + val = intel_de_read(display, + TRANS_EXITLINE(display, cpu_transcoder)); pipe_config->dc3co_exitline = REG_FIELD_GET(EXITLINE_MASK, val); } unlock: @@ -1485,24 +1791,24 @@ unlock: static void intel_psr_activate(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; - drm_WARN_ON(&dev_priv->drm, - transcoder_has_psr2(dev_priv, cpu_transcoder) && - intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder)) & EDP_PSR2_ENABLE); + drm_WARN_ON(display->drm, + transcoder_has_psr2(display, cpu_transcoder) && + intel_de_read(display, EDP_PSR2_CTL(display, cpu_transcoder)) & EDP_PSR2_ENABLE); - drm_WARN_ON(&dev_priv->drm, - intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder)) & EDP_PSR_ENABLE); + drm_WARN_ON(display->drm, + intel_de_read(display, psr_ctl_reg(display, cpu_transcoder)) & EDP_PSR_ENABLE); - drm_WARN_ON(&dev_priv->drm, intel_dp->psr.active); + drm_WARN_ON(display->drm, intel_dp->psr.active); lockdep_assert_held(&intel_dp->psr.lock); /* psr1, psr2 and panel-replay are mutually exclusive.*/ if (intel_dp->psr.panel_replay_enabled) dg2_activate_panel_replay(intel_dp); - else if (intel_dp->psr.psr2_enabled) + else if (intel_dp->psr.sel_update_enabled) hsw_activate_psr2(intel_dp); else hsw_activate_psr1(intel_dp); @@ -1510,23 +1816,6 @@ static void intel_psr_activate(struct intel_dp *intel_dp) intel_dp->psr.active = true; } -static u32 wa_16013835468_bit_get(struct intel_dp *intel_dp) -{ - switch (intel_dp->psr.pipe) { - case PIPE_A: - return LATENCY_REPORTING_REMOVED_PIPE_A; - case PIPE_B: - return LATENCY_REPORTING_REMOVED_PIPE_B; - case PIPE_C: - return LATENCY_REPORTING_REMOVED_PIPE_C; - case PIPE_D: - return LATENCY_REPORTING_REMOVED_PIPE_D; - default: - MISSING_CASE(intel_dp->psr.pipe); - return 0; - } -} - /* * Wa_16013835468 * Wa_14015648006 @@ -1534,53 +1823,40 @@ static u32 wa_16013835468_bit_get(struct intel_dp *intel_dp) static void wm_optimization_wa(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - bool set_wa_bit = false; + struct intel_display *display = to_intel_display(intel_dp); + enum pipe pipe = intel_dp->psr.pipe; + bool activate = false; /* Wa_14015648006 */ - if (IS_DISPLAY_VER(dev_priv, 11, 14)) - set_wa_bit |= crtc_state->wm_level_disabled; + if (IS_DISPLAY_VER(display, 11, 14) && crtc_state->wm_level_disabled) + activate = true; /* Wa_16013835468 */ - if (DISPLAY_VER(dev_priv) == 12) - set_wa_bit |= crtc_state->hw.adjusted_mode.crtc_vblank_start != - crtc_state->hw.adjusted_mode.crtc_vdisplay; - - if (set_wa_bit) - intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, - 0, wa_16013835468_bit_get(intel_dp)); + if (DISPLAY_VER(display) == 12 && + crtc_state->hw.adjusted_mode.crtc_vblank_start != + crtc_state->hw.adjusted_mode.crtc_vdisplay) + activate = true; + + if (activate) + intel_de_rmw(display, GEN8_CHICKEN_DCPR_1, + 0, LATENCY_REPORTING_REMOVED(pipe)); else - intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, - wa_16013835468_bit_get(intel_dp), 0); -} - -static void lnl_alpm_configure(struct intel_dp *intel_dp) -{ - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - enum transcoder cpu_transcoder = intel_dp->psr.transcoder; - struct intel_psr *psr = &intel_dp->psr; - - if (DISPLAY_VER(dev_priv) < 20) - return; - - intel_de_write(dev_priv, ALPM_CTL(cpu_transcoder), - ALPM_CTL_EXTENDED_FAST_WAKE_ENABLE | - ALPM_CTL_ALPM_ENTRY_CHECK(psr->alpm_parameters.check_entry_lines) | - ALPM_CTL_EXTENDED_FAST_WAKE_TIME(psr->alpm_parameters.fast_wake_lines)); + intel_de_rmw(display, GEN8_CHICKEN_DCPR_1, + LATENCY_REPORTING_REMOVED(pipe), 0); } static void intel_psr_enable_source(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; - u32 mask; + u32 mask = 0; /* * Only HSW and BDW have PSR AUX registers that need to be setup. * SKL+ use hardcoded values PSR AUX transactions */ - if (DISPLAY_VER(dev_priv) < 9) + if (DISPLAY_VER(display) < 9) hsw_psr_setup_aux(intel_dp); /* @@ -1588,36 +1864,48 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, * mask LPSP to avoid dependency on other drivers that might block * runtime_pm besides preventing other hw tracking issues now we * can rely on frontbuffer tracking. + * + * From bspec prior LunarLake: + * Only PSR_MASK[Mask FBC modify] and PSR_MASK[Mask Hotplug] are used in + * panel replay mode. + * + * From bspec beyod LunarLake: + * Panel Replay on DP: No bits are applicable + * Panel Replay on eDP: All bits are applicable */ - mask = EDP_PSR_DEBUG_MASK_MEMUP | - EDP_PSR_DEBUG_MASK_HPD; + if (DISPLAY_VER(display) < 20 || intel_dp_is_edp(intel_dp)) + mask = EDP_PSR_DEBUG_MASK_HPD; - /* - * For some unknown reason on HSW non-ULT (or at least on - * Dell Latitude E6540) external displays start to flicker - * when PSR is enabled on the eDP. SR/PC6 residency is much - * higher than should be possible with an external display. - * As a workaround leave LPSP unmasked to prevent PSR entry - * when external displays are active. - */ - if (DISPLAY_VER(dev_priv) >= 8 || IS_HASWELL_ULT(dev_priv)) - mask |= EDP_PSR_DEBUG_MASK_LPSP; + if (intel_dp_is_edp(intel_dp)) { + mask |= EDP_PSR_DEBUG_MASK_MEMUP; - if (DISPLAY_VER(dev_priv) < 20) - mask |= EDP_PSR_DEBUG_MASK_MAX_SLEEP; + /* + * For some unknown reason on HSW non-ULT (or at least on + * Dell Latitude E6540) external displays start to flicker + * when PSR is enabled on the eDP. SR/PC6 residency is much + * higher than should be possible with an external display. + * As a workaround leave LPSP unmasked to prevent PSR entry + * when external displays are active. + */ + if (DISPLAY_VER(display) >= 8 || display->platform.haswell_ult) + mask |= EDP_PSR_DEBUG_MASK_LPSP; - /* - * No separate pipe reg write mask on hsw/bdw, so have to unmask all - * registers in order to keep the CURSURFLIVE tricks working :( - */ - if (IS_DISPLAY_VER(dev_priv, 9, 10)) - mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE; + if (DISPLAY_VER(display) < 20) + mask |= EDP_PSR_DEBUG_MASK_MAX_SLEEP; - /* allow PSR with sprite enabled */ - if (IS_HASWELL(dev_priv)) - mask |= EDP_PSR_DEBUG_MASK_SPRITE_ENABLE; + /* + * No separate pipe reg write mask on hsw/bdw, so have to unmask all + * registers in order to keep the CURSURFLIVE tricks working :( + */ + if (IS_DISPLAY_VER(display, 9, 10)) + mask |= EDP_PSR_DEBUG_MASK_DISP_REG_WRITE; + + /* allow PSR with sprite enabled */ + if (display->platform.haswell) + mask |= EDP_PSR_DEBUG_MASK_SPRITE_ENABLE; + } - intel_de_write(dev_priv, psr_debug_reg(dev_priv, cpu_transcoder), mask); + intel_de_write(display, psr_debug_reg(display, cpu_transcoder), mask); psr_irq_control(intel_dp); @@ -1626,25 +1914,25 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, * transcoder, EXITLINE will need to be unset when disabling PSR */ if (intel_dp->psr.dc3co_exitline) - intel_de_rmw(dev_priv, TRANS_EXITLINE(cpu_transcoder), EXITLINE_MASK, + intel_de_rmw(display, + TRANS_EXITLINE(display, cpu_transcoder), + EXITLINE_MASK, intel_dp->psr.dc3co_exitline << EXITLINE_SHIFT | EXITLINE_ENABLE); - if (HAS_PSR_HW_TRACKING(dev_priv) && HAS_PSR2_SEL_FETCH(dev_priv)) - intel_de_rmw(dev_priv, CHICKEN_PAR1_1, IGNORE_PSR2_HW_TRACKING, + if (HAS_PSR_HW_TRACKING(display) && HAS_PSR2_SEL_FETCH(display)) + intel_de_rmw(display, CHICKEN_PAR1_1, IGNORE_PSR2_HW_TRACKING, intel_dp->psr.psr2_sel_fetch_enabled ? IGNORE_PSR2_HW_TRACKING : 0); - lnl_alpm_configure(intel_dp); - /* * Wa_16013835468 * Wa_14015648006 */ wm_optimization_wa(intel_dp, crtc_state); - if (intel_dp->psr.psr2_enabled) { - if (DISPLAY_VER(dev_priv) == 9) - intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder), 0, + if (intel_dp->psr.sel_update_enabled) { + if (DISPLAY_VER(display) == 9) + intel_de_rmw(display, CHICKEN_TRANS(display, cpu_transcoder), 0, PSR2_VSC_ENABLE_PROG_HEADER | PSR2_ADD_VERTICAL_LINE_COUNT); @@ -1653,28 +1941,42 @@ static void intel_psr_enable_source(struct intel_dp *intel_dp, * All supported adlp panels have 1-based X granularity, this may * cause issues if non-supported panels are used. */ - if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0) || - IS_ALDERLAKE_P(dev_priv)) - intel_de_rmw(dev_priv, hsw_chicken_trans_reg(dev_priv, cpu_transcoder), + if (!intel_dp->psr.panel_replay_enabled && + (IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0) || + display->platform.alderlake_p)) + intel_de_rmw(display, CHICKEN_TRANS(display, cpu_transcoder), 0, ADLP_1_BASED_X_GRANULARITY); /* Wa_16012604467:adlp,mtl[a0,b0] */ - if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0)) - intel_de_rmw(dev_priv, - MTL_CLKGATE_DIS_TRANS(cpu_transcoder), 0, + if (!intel_dp->psr.panel_replay_enabled && + IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0)) + intel_de_rmw(display, + MTL_CLKGATE_DIS_TRANS(display, cpu_transcoder), + 0, MTL_CLKGATE_DIS_TRANS_DMASC_GATING_DIS); - else if (IS_ALDERLAKE_P(dev_priv)) - intel_de_rmw(dev_priv, CLKGATE_DIS_MISC, 0, + else if (display->platform.alderlake_p) + intel_de_rmw(display, CLKGATE_DIS_MISC, 0, CLKGATE_DIS_MISC_DMASC_GATING_DIS); } + + /* Wa_16025596647 */ + if ((DISPLAY_VER(display) == 20 || + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) && + !intel_dp->psr.panel_replay_enabled) + intel_dmc_block_pkgc(display, intel_dp->psr.pipe, true); + + intel_alpm_configure(intel_dp, crtc_state); } static bool psr_interrupt_error_check(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 val; + if (intel_dp->psr.panel_replay_enabled) + goto no_err; + /* * If a PSR error happened and the driver is reloaded, the EDP_PSR_IIR * will still keep the error set even after the reset done in the @@ -1683,29 +1985,29 @@ static bool psr_interrupt_error_check(struct intel_dp *intel_dp) * first time that PSR HW tries to activate so lets keep PSR disabled * to avoid any rendering problems. */ - val = intel_de_read(dev_priv, psr_iir_reg(dev_priv, cpu_transcoder)); + val = intel_de_read(display, psr_iir_reg(display, cpu_transcoder)); val &= psr_irq_psr_error_bit_get(intel_dp); if (val) { intel_dp->psr.sink_not_reliable = true; - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR interruption error set, not enabling PSR\n"); return false; } +no_err: return true; } static void intel_psr_enable_locked(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 drm_i915_private *dev_priv = dp_to_i915(intel_dp); - enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); u32 val; - drm_WARN_ON(&dev_priv->drm, intel_dp->psr.enabled); + drm_WARN_ON(display->drm, intel_dp->psr.enabled); - intel_dp->psr.psr2_enabled = crtc_state->has_psr2; + intel_dp->psr.sel_update_enabled = crtc_state->has_sel_update; intel_dp->psr.panel_replay_enabled = crtc_state->has_panel_replay; intel_dp->psr.busy_frontbuffer_bits = 0; intel_dp->psr.pipe = to_intel_crtc(crtc_state->uapi.crtc)->pipe; @@ -1715,92 +2017,128 @@ static void intel_psr_enable_locked(struct intel_dp *intel_dp, intel_dp->psr.dc3co_exit_delay = val; intel_dp->psr.dc3co_exitline = crtc_state->dc3co_exitline; intel_dp->psr.psr2_sel_fetch_enabled = crtc_state->enable_psr2_sel_fetch; + intel_dp->psr.su_region_et_enabled = crtc_state->enable_psr2_su_region_et; intel_dp->psr.psr2_sel_fetch_cff_enabled = false; intel_dp->psr.req_psr2_sdp_prior_scanline = crtc_state->req_psr2_sdp_prior_scanline; + intel_dp->psr.active_non_psr_pipes = crtc_state->active_non_psr_pipes; if (!psr_interrupt_error_check(intel_dp)) return; if (intel_dp->psr.panel_replay_enabled) - drm_dbg_kms(&dev_priv->drm, "Enabling Panel Replay\n"); + drm_dbg_kms(display->drm, "Enabling Panel Replay\n"); else - drm_dbg_kms(&dev_priv->drm, "Enabling PSR%s\n", - intel_dp->psr.psr2_enabled ? "2" : "1"); + drm_dbg_kms(display->drm, "Enabling PSR%s\n", + intel_dp->psr.sel_update_enabled ? "2" : "1"); + + /* + * Enabling sink PSR/Panel Replay here only for PSR. Panel Replay enable + * bit is already written at this point. Sink ALPM is enabled here for + * PSR and Panel Replay. See + * intel_psr_panel_replay_enable_sink. Modifiers/options: + * - Selective Update + * - Region Early Transport + * - Selective Update Region Scanline Capture + * - VSC_SDP_CRC + * - HPD on different Errors + * - CRC verification + * are written for PSR and Panel Replay here. + */ + intel_psr_enable_sink(intel_dp, crtc_state); + + if (intel_dp_is_edp(intel_dp)) + intel_snps_phy_update_psr_power_state(&dig_port->base, true); - intel_snps_phy_update_psr_power_state(dev_priv, phy, true); - intel_psr_enable_sink(intel_dp); intel_psr_enable_source(intel_dp, crtc_state); intel_dp->psr.enabled = true; - intel_dp->psr.paused = false; + intel_dp->psr.pause_counter = 0; + + /* + * Link_ok is sticky and set here on PSR enable. We can assume link + * training is complete as we never continue to PSR enable with + * untrained link. Link_ok is kept as set until first short pulse + * interrupt. This is targeted to workaround panels stating bad link + * after PSR is enabled. + */ + intel_dp->psr.link_ok = true; intel_psr_activate(intel_dp); } static void intel_psr_exit(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; u32 val; if (!intel_dp->psr.active) { - if (transcoder_has_psr2(dev_priv, cpu_transcoder)) { - val = intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder)); - drm_WARN_ON(&dev_priv->drm, val & EDP_PSR2_ENABLE); + if (transcoder_has_psr2(display, cpu_transcoder)) { + val = intel_de_read(display, + EDP_PSR2_CTL(display, cpu_transcoder)); + drm_WARN_ON(display->drm, val & EDP_PSR2_ENABLE); } - val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder)); - drm_WARN_ON(&dev_priv->drm, val & EDP_PSR_ENABLE); + val = intel_de_read(display, + psr_ctl_reg(display, cpu_transcoder)); + drm_WARN_ON(display->drm, val & EDP_PSR_ENABLE); return; } if (intel_dp->psr.panel_replay_enabled) { - intel_de_rmw(dev_priv, TRANS_DP2_CTL(intel_dp->psr.transcoder), + intel_de_rmw(display, TRANS_DP2_CTL(intel_dp->psr.transcoder), TRANS_DP2_PANEL_REPLAY_ENABLE, 0); - } else if (intel_dp->psr.psr2_enabled) { + } else if (intel_dp->psr.sel_update_enabled) { tgl_disallow_dc3co_on_psr2_exit(intel_dp); - val = intel_de_rmw(dev_priv, EDP_PSR2_CTL(cpu_transcoder), + val = intel_de_rmw(display, + EDP_PSR2_CTL(display, cpu_transcoder), EDP_PSR2_ENABLE, 0); - drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR2_ENABLE)); + drm_WARN_ON(display->drm, !(val & EDP_PSR2_ENABLE)); } else { - val = intel_de_rmw(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder), + if (DISPLAY_VER(display) == 20 || + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) + intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(display, + intel_dp->psr.pipe, + false); + + val = intel_de_rmw(display, + psr_ctl_reg(display, cpu_transcoder), EDP_PSR_ENABLE, 0); - drm_WARN_ON(&dev_priv->drm, !(val & EDP_PSR_ENABLE)); + drm_WARN_ON(display->drm, !(val & EDP_PSR_ENABLE)); } intel_dp->psr.active = false; } static void intel_psr_wait_exit_locked(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; i915_reg_t psr_status; u32 psr_status_mask; - if (intel_dp->psr.psr2_enabled) { - psr_status = EDP_PSR2_STATUS(cpu_transcoder); + if (intel_dp_is_edp(intel_dp) && (intel_dp->psr.sel_update_enabled || + intel_dp->psr.panel_replay_enabled)) { + psr_status = EDP_PSR2_STATUS(display, cpu_transcoder); psr_status_mask = EDP_PSR2_STATUS_STATE_MASK; } else { - psr_status = psr_status_reg(dev_priv, cpu_transcoder); + psr_status = psr_status_reg(display, cpu_transcoder); psr_status_mask = EDP_PSR_STATUS_STATE_MASK; } /* Wait till PSR is idle */ - if (intel_de_wait_for_clear(dev_priv, psr_status, + if (intel_de_wait_for_clear(display, psr_status, psr_status_mask, 2000)) - drm_err(&dev_priv->drm, "Timed out waiting PSR idle state\n"); + drm_err(display->drm, "Timed out waiting PSR idle state\n"); } static void intel_psr_disable_locked(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; - enum phy phy = intel_port_to_phy(dev_priv, - dp_to_dig_port(intel_dp)->base.port); lockdep_assert_held(&intel_dp->psr.lock); @@ -1808,10 +2146,10 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) return; if (intel_dp->psr.panel_replay_enabled) - drm_dbg_kms(&dev_priv->drm, "Disabling Panel Replay\n"); + drm_dbg_kms(display->drm, "Disabling Panel Replay\n"); else - drm_dbg_kms(&dev_priv->drm, "Disabling PSR%s\n", - intel_dp->psr.psr2_enabled ? "2" : "1"); + drm_dbg_kms(display->drm, "Disabling PSR%s\n", + intel_dp->psr.sel_update_enabled ? "2" : "1"); intel_psr_exit(intel_dp); intel_psr_wait_exit_locked(intel_dp); @@ -1820,34 +2158,50 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) * Wa_16013835468 * Wa_14015648006 */ - if (DISPLAY_VER(dev_priv) >= 11) - intel_de_rmw(dev_priv, GEN8_CHICKEN_DCPR_1, - wa_16013835468_bit_get(intel_dp), 0); + if (DISPLAY_VER(display) >= 11) + intel_de_rmw(display, GEN8_CHICKEN_DCPR_1, + LATENCY_REPORTING_REMOVED(intel_dp->psr.pipe), 0); - if (intel_dp->psr.psr2_enabled) { + if (intel_dp->psr.sel_update_enabled) { /* Wa_16012604467:adlp,mtl[a0,b0] */ - if (IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0)) - intel_de_rmw(dev_priv, - MTL_CLKGATE_DIS_TRANS(cpu_transcoder), + if (!intel_dp->psr.panel_replay_enabled && + IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0)) + intel_de_rmw(display, + MTL_CLKGATE_DIS_TRANS(display, cpu_transcoder), MTL_CLKGATE_DIS_TRANS_DMASC_GATING_DIS, 0); - else if (IS_ALDERLAKE_P(dev_priv)) - intel_de_rmw(dev_priv, CLKGATE_DIS_MISC, + else if (display->platform.alderlake_p) + intel_de_rmw(display, CLKGATE_DIS_MISC, CLKGATE_DIS_MISC_DMASC_GATING_DIS, 0); } - intel_snps_phy_update_psr_power_state(dev_priv, phy, false); + if (intel_dp_is_edp(intel_dp)) + intel_snps_phy_update_psr_power_state(&dp_to_dig_port(intel_dp)->base, false); + + if (intel_dp->psr.panel_replay_enabled && intel_dp_is_edp(intel_dp)) + intel_alpm_disable(intel_dp); /* Disable PSR on Sink */ - drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0); + if (!intel_dp->psr.panel_replay_enabled) { + drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, 0); - if (intel_dp->psr.psr2_enabled) - drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, 0); + if (intel_dp->psr.sel_update_enabled) + drm_dp_dpcd_writeb(&intel_dp->aux, + DP_RECEIVER_ALPM_CONFIG, 0); + } + + /* Wa_16025596647 */ + if ((DISPLAY_VER(display) == 20 || + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) && + !intel_dp->psr.panel_replay_enabled) + intel_dmc_block_pkgc(display, intel_dp->psr.pipe, false); intel_dp->psr.enabled = false; intel_dp->psr.panel_replay_enabled = false; - intel_dp->psr.psr2_enabled = false; + intel_dp->psr.sel_update_enabled = false; intel_dp->psr.psr2_sel_fetch_enabled = false; + intel_dp->psr.su_region_et_enabled = false; intel_dp->psr.psr2_sel_fetch_cff_enabled = false; + intel_dp->psr.active_non_psr_pipes = 0; } /** @@ -1860,18 +2214,21 @@ static void intel_psr_disable_locked(struct intel_dp *intel_dp) void intel_psr_disable(struct intel_dp *intel_dp, const struct intel_crtc_state *old_crtc_state) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); if (!old_crtc_state->has_psr) return; - if (drm_WARN_ON(&dev_priv->drm, !CAN_PSR(intel_dp))) + if (drm_WARN_ON(display->drm, !CAN_PSR(intel_dp) && + !CAN_PANEL_REPLAY(intel_dp))) return; mutex_lock(&intel_dp->psr.lock); intel_psr_disable_locked(intel_dp); + intel_dp->psr.link_ok = false; + mutex_unlock(&intel_dp->psr.lock); cancel_work_sync(&intel_dp->psr.work); cancel_delayed_work_sync(&intel_dp->psr.dc3co_work); @@ -1885,10 +2242,9 @@ void intel_psr_disable(struct intel_dp *intel_dp, */ void intel_psr_pause(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); struct intel_psr *psr = &intel_dp->psr; - if (!CAN_PSR(intel_dp)) + if (!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp)) return; mutex_lock(&psr->lock); @@ -1898,12 +2254,10 @@ void intel_psr_pause(struct intel_dp *intel_dp) return; } - /* If we ever hit this, we will need to add refcount to pause/resume */ - drm_WARN_ON(&dev_priv->drm, psr->paused); - - intel_psr_exit(intel_dp); - intel_psr_wait_exit_locked(intel_dp); - psr->paused = true; + if (intel_dp->psr.pause_counter++ == 0) { + intel_psr_exit(intel_dp); + intel_psr_wait_exit_locked(intel_dp); + } mutex_unlock(&psr->lock); @@ -1919,62 +2273,167 @@ void intel_psr_pause(struct intel_dp *intel_dp) */ void intel_psr_resume(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_psr *psr = &intel_dp->psr; - if (!CAN_PSR(intel_dp)) + if (!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp)) return; mutex_lock(&psr->lock); - if (!psr->paused) - goto unlock; + if (!psr->enabled) + goto out; - psr->paused = false; - intel_psr_activate(intel_dp); + if (!psr->pause_counter) { + drm_warn(display->drm, "Unbalanced PSR pause/resume!\n"); + goto out; + } -unlock: + if (--intel_dp->psr.pause_counter == 0) + intel_psr_activate(intel_dp); + +out: mutex_unlock(&psr->lock); } -static u32 man_trk_ctl_enable_bit_get(struct drm_i915_private *dev_priv) +/** + * intel_psr_needs_vblank_notification - Check if PSR need vblank enable/disable + * notification. + * @crtc_state: CRTC status + * + * We need to block DC6 entry in case of Panel Replay as enabling VBI doesn't + * prevent it in case of Panel Replay. Panel Replay switches main link off on + * DC entry. This means vblank interrupts are not fired and is a problem if + * user-space is polling for vblank events. Also Wa_16025596647 needs + * information when vblank is enabled/disabled. + */ +bool intel_psr_needs_vblank_notification(const struct intel_crtc_state *crtc_state) +{ + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); + struct intel_display *display = to_intel_display(crtc_state); + struct intel_encoder *encoder; + + for_each_encoder_on_crtc(crtc->base.dev, &crtc->base, encoder) { + struct intel_dp *intel_dp; + + if (!intel_encoder_is_dp(encoder)) + continue; + + intel_dp = enc_to_intel_dp(encoder); + + if (!intel_dp_is_edp(intel_dp)) + continue; + + if (CAN_PANEL_REPLAY(intel_dp)) + return true; + + if ((DISPLAY_VER(display) == 20 || + IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) && + CAN_PSR(intel_dp)) + return true; + } + + return false; +} + +/** + * intel_psr_trigger_frame_change_event - Trigger "Frame Change" event + * @dsb: DSB context + * @state: the atomic state + * @crtc: the CRTC + * + * Generate PSR "Frame Change" event. + */ +void intel_psr_trigger_frame_change_event(struct intel_dsb *dsb, + struct intel_atomic_state *state, + struct intel_crtc *crtc) +{ + const struct intel_crtc_state *crtc_state = + intel_pre_commit_crtc_state(state, crtc); + struct intel_display *display = to_intel_display(crtc); + + if (crtc_state->has_psr) + intel_de_write_dsb(display, dsb, + CURSURFLIVE(display, crtc->pipe), 0); +} + +/** + * intel_psr_min_vblank_delay - Minimum vblank delay needed by PSR + * @crtc_state: the crtc state + * + * Return minimum vblank delay needed by PSR. + */ +int intel_psr_min_vblank_delay(const struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + + if (!crtc_state->has_psr) + return 0; + + /* Wa_14015401596 */ + if (intel_vrr_possible(crtc_state) && IS_DISPLAY_VER(display, 13, 14)) + return 1; + + /* Rest is for SRD_STATUS needed on LunarLake and onwards */ + if (DISPLAY_VER(display) < 20) + return 0; + + /* + * Comment on SRD_STATUS register in Bspec for LunarLake and onwards: + * + * To deterministically capture the transition of the state machine + * going from SRDOFFACK to IDLE, the delayed V. Blank should be at least + * one line after the non-delayed V. Blank. + * + * Legacy TG: TRANS_SET_CONTEXT_LATENCY > 0 + * VRR TG: TRANS_VRR_CTL[ VRR Guardband ] < (TRANS_VRR_VMAX[ VRR Vmax ] + * - TRANS_VTOTAL[ Vertical Active ]) + * + * SRD_STATUS is used only by PSR1 on PantherLake. + * SRD_STATUS is used by PSR1 and Panel Replay DP on LunarLake. + */ + + if (DISPLAY_VER(display) >= 30 && (crtc_state->has_panel_replay || + crtc_state->has_sel_update)) + return 0; + else if (DISPLAY_VER(display) < 30 && (crtc_state->has_sel_update || + intel_crtc_has_type(crtc_state, + INTEL_OUTPUT_EDP))) + return 0; + else + return 1; +} + +static u32 man_trk_ctl_enable_bit_get(struct intel_display *display) { - return IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14 ? 0 : + return display->platform.alderlake_p || DISPLAY_VER(display) >= 14 ? 0 : PSR2_MAN_TRK_CTL_ENABLE; } -static u32 man_trk_ctl_single_full_frame_bit_get(struct drm_i915_private *dev_priv) +static u32 man_trk_ctl_single_full_frame_bit_get(struct intel_display *display) { - return IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14 ? + return display->platform.alderlake_p || DISPLAY_VER(display) >= 14 ? ADLP_PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME : PSR2_MAN_TRK_CTL_SF_SINGLE_FULL_FRAME; } -static u32 man_trk_ctl_partial_frame_bit_get(struct drm_i915_private *dev_priv) +static u32 man_trk_ctl_partial_frame_bit_get(struct intel_display *display) { - return IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14 ? + return display->platform.alderlake_p || DISPLAY_VER(display) >= 14 ? ADLP_PSR2_MAN_TRK_CTL_SF_PARTIAL_FRAME_UPDATE : PSR2_MAN_TRK_CTL_SF_PARTIAL_FRAME_UPDATE; } -static u32 man_trk_ctl_continuos_full_frame(struct drm_i915_private *dev_priv) +static u32 man_trk_ctl_continuos_full_frame(struct intel_display *display) { - return IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14 ? + return display->platform.alderlake_p || DISPLAY_VER(display) >= 14 ? ADLP_PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME : PSR2_MAN_TRK_CTL_SF_CONTINUOS_FULL_FRAME; } -static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp) +static void intel_psr_force_update(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - enum transcoder cpu_transcoder = intel_dp->psr.transcoder; - - if (intel_dp->psr.psr2_sel_fetch_enabled) - intel_de_write(dev_priv, - PSR2_MAN_TRK_CTL(cpu_transcoder), - man_trk_ctl_enable_bit_get(dev_priv) | - man_trk_ctl_partial_frame_bit_get(dev_priv) | - man_trk_ctl_single_full_frame_bit_get(dev_priv) | - man_trk_ctl_continuos_full_frame(dev_priv)); + struct intel_display *display = to_intel_display(intel_dp); /* * Display WA #0884: skl+ @@ -1989,52 +2448,61 @@ static void psr_force_hw_tracking_exit(struct intel_dp *intel_dp) * but testing proved that it works for up display 13, for newer * than that testing will be needed. */ - intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0); + intel_de_write(display, CURSURFLIVE(display, intel_dp->psr.pipe), 0); } -void intel_psr2_program_trans_man_trk_ctl(const struct intel_crtc_state *crtc_state) +void intel_psr2_program_trans_man_trk_ctl(struct intel_dsb *dsb, + 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); + struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; struct intel_encoder *encoder; if (!crtc_state->enable_psr2_sel_fetch) return; - for_each_intel_encoder_mask_with_psr(&dev_priv->drm, encoder, + for_each_intel_encoder_mask_with_psr(display->drm, encoder, crtc_state->uapi.encoder_mask) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - lockdep_assert_held(&intel_dp->psr.lock); - if (intel_dp->psr.psr2_sel_fetch_cff_enabled) + if (!dsb) + lockdep_assert_held(&intel_dp->psr.lock); + + if (DISPLAY_VER(display) < 20 && intel_dp->psr.psr2_sel_fetch_cff_enabled) return; break; } - intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder), - crtc_state->psr2_man_track_ctl); + intel_de_write_dsb(display, dsb, + PSR2_MAN_TRK_CTL(display, cpu_transcoder), + crtc_state->psr2_man_track_ctl); + + if (!crtc_state->enable_psr2_su_region_et) + return; + + intel_de_write_dsb(display, dsb, PIPE_SRCSZ_ERLY_TPT(crtc->pipe), + crtc_state->pipe_srcsz_early_tpt); } static void psr2_man_trk_ctl_calc(struct intel_crtc_state *crtc_state, bool full_update) { - struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); - struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); - u32 val = man_trk_ctl_enable_bit_get(dev_priv); + struct intel_display *display = to_intel_display(crtc_state); + u32 val = man_trk_ctl_enable_bit_get(display); /* SF partial frame enable has to be set even on full update */ - val |= man_trk_ctl_partial_frame_bit_get(dev_priv); + val |= man_trk_ctl_partial_frame_bit_get(display); if (full_update) { - val |= man_trk_ctl_single_full_frame_bit_get(dev_priv); - val |= man_trk_ctl_continuos_full_frame(dev_priv); + val |= man_trk_ctl_continuos_full_frame(display); goto exit; } if (crtc_state->psr2_su_area.y1 == -1) goto exit; - if (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14) { + if (display->platform.alderlake_p || DISPLAY_VER(display) >= 14) { val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_START_ADDR(crtc_state->psr2_su_area.y1); val |= ADLP_PSR2_MAN_TRK_CTL_SU_REGION_END_ADDR(crtc_state->psr2_su_area.y2 - 1); } else { @@ -2051,6 +2519,20 @@ exit: crtc_state->psr2_man_track_ctl = val; } +static u32 psr2_pipe_srcsz_early_tpt_calc(struct intel_crtc_state *crtc_state, + bool full_update) +{ + int width, height; + + if (!crtc_state->enable_psr2_su_region_et || full_update) + return 0; + + width = drm_rect_width(&crtc_state->psr2_su_area); + height = drm_rect_height(&crtc_state->psr2_su_area); + + return PIPESRC_WIDTH(width - 1) | PIPESRC_HEIGHT(height - 1); +} + static void clip_area_update(struct drm_rect *overlap_damage_area, struct drm_rect *damage_area, struct drm_rect *pipe_src) @@ -2073,13 +2555,13 @@ static void clip_area_update(struct drm_rect *overlap_damage_area, static void intel_psr2_sel_fetch_pipe_alignment(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); const struct drm_dsc_config *vdsc_cfg = &crtc_state->dsc.config; u16 y_alignment; /* ADLP aligns the SU region to vdsc slice height in case dsc is enabled */ if (crtc_state->dsc.compression_enable && - (IS_ALDERLAKE_P(dev_priv) || DISPLAY_VER(dev_priv) >= 14)) + (display->platform.alderlake_p || DISPLAY_VER(display) >= 14)) y_alignment = vdsc_cfg->slice_height; else y_alignment = crtc_state->su_y_granularity; @@ -2095,21 +2577,38 @@ static void intel_psr2_sel_fetch_pipe_alignment(struct intel_crtc_state *crtc_st * cursor fully when cursor is in SU area. */ static void -intel_psr2_sel_fetch_et_alignment(struct intel_crtc_state *crtc_state, - struct intel_plane_state *cursor_state) +intel_psr2_sel_fetch_et_alignment(struct intel_atomic_state *state, + struct intel_crtc *crtc, + bool *cursor_in_su_area) { - struct drm_rect inter; + struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); + struct intel_plane_state *new_plane_state; + struct intel_plane *plane; + int i; - if (!crtc_state->enable_psr2_su_region_et || - !cursor_state->uapi.visible) + if (!crtc_state->enable_psr2_su_region_et) return; - inter = crtc_state->psr2_su_area; - if (!drm_rect_intersect(&inter, &cursor_state->uapi.dst)) - return; + for_each_new_intel_plane_in_state(state, plane, new_plane_state, i) { + struct drm_rect inter; + + if (new_plane_state->uapi.crtc != crtc_state->uapi.crtc) + continue; - clip_area_update(&crtc_state->psr2_su_area, &cursor_state->uapi.dst, - &crtc_state->pipe_src); + if (plane->id != PLANE_CURSOR) + continue; + + if (!new_plane_state->uapi.visible) + continue; + + inter = crtc_state->psr2_su_area; + if (!drm_rect_intersect(&inter, &new_plane_state->uapi.dst)) + continue; + + clip_area_update(&crtc_state->psr2_su_area, &new_plane_state->uapi.dst, + &crtc_state->pipe_src); + *cursor_in_su_area = true; + } } /* @@ -2147,15 +2646,63 @@ static bool psr2_sel_fetch_pipe_state_supported(const struct intel_crtc_state *c return true; } +/* Wa 14019834836 */ +static void intel_psr_apply_pr_link_on_su_wa(struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + struct intel_encoder *encoder; + int hactive_limit; + + if (crtc_state->psr2_su_area.y1 != 0 || + crtc_state->psr2_su_area.y2 != 0) + return; + + if (crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420) + hactive_limit = intel_dp_is_uhbr(crtc_state) ? 1230 : 546; + else + hactive_limit = intel_dp_is_uhbr(crtc_state) ? 615 : 273; + + if (crtc_state->hw.adjusted_mode.hdisplay < hactive_limit) + return; + + for_each_intel_encoder_mask_with_psr(display->drm, encoder, + crtc_state->uapi.encoder_mask) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + if (!intel_dp_is_edp(intel_dp) && + intel_dp->psr.panel_replay_enabled && + intel_dp->psr.sel_update_enabled) { + crtc_state->psr2_su_area.y2++; + return; + } + } +} + +static void +intel_psr_apply_su_area_workarounds(struct intel_crtc_state *crtc_state) +{ + struct intel_display *display = to_intel_display(crtc_state); + + /* Wa_14014971492 */ + if (!crtc_state->has_panel_replay && + ((IS_DISPLAY_VERx100_STEP(display, 1400, STEP_A0, STEP_B0) || + display->platform.alderlake_p || display->platform.tigerlake)) && + crtc_state->splitter.enable) + crtc_state->psr2_su_area.y1 = 0; + + /* Wa 14019834836 */ + if (DISPLAY_VER(display) == 30) + intel_psr_apply_pr_link_on_su_wa(crtc_state); +} + int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state); struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); - struct intel_plane_state *new_plane_state, *old_plane_state, - *cursor_plane_state = NULL; + struct intel_plane_state *new_plane_state, *old_plane_state; struct intel_plane *plane; - bool full_update = false; + bool full_update = false, cursor_in_su_area = false; int i, ret; if (!crtc_state->enable_psr2_sel_fetch) @@ -2168,7 +2715,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, crtc_state->psr2_su_area.x1 = 0; crtc_state->psr2_su_area.y1 = -1; - crtc_state->psr2_su_area.x2 = INT_MAX; + crtc_state->psr2_su_area.x2 = drm_rect_width(&crtc_state->pipe_src); crtc_state->psr2_su_area.y2 = -1; /* @@ -2238,13 +2785,6 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, damaged_area.x2 += new_plane_state->uapi.dst.x1 - src.x1; clip_area_update(&crtc_state->psr2_su_area, &damaged_area, &crtc_state->pipe_src); - - /* - * Cursor plane new state is stored to adjust su area to cover - * cursor are fully. - */ - if (plane->id == PLANE_CURSOR) - cursor_plane_state = new_plane_state; } /* @@ -2254,7 +2794,7 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, * calculation for those. */ if (crtc_state->psr2_su_area.y1 == -1) { - drm_info_once(&dev_priv->drm, + drm_info_once(display->drm, "Selective fetch area calculation failed in pipe %c\n", pipe_name(crtc->pipe)); full_update = true; @@ -2263,19 +2803,19 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, if (full_update) goto skip_sel_fetch_set_loop; - /* Wa_14014971492 */ - if ((IS_DISPLAY_IP_STEP(dev_priv, IP_VER(14, 0), STEP_A0, STEP_B0) || - IS_ALDERLAKE_P(dev_priv) || IS_TIGERLAKE(dev_priv)) && - crtc_state->splitter.enable) - crtc_state->psr2_su_area.y1 = 0; + intel_psr_apply_su_area_workarounds(crtc_state); ret = drm_atomic_add_affected_planes(&state->base, &crtc->base); if (ret) return ret; - /* Adjust su area to cover cursor fully as necessary */ - if (cursor_plane_state) - intel_psr2_sel_fetch_et_alignment(crtc_state, cursor_plane_state); + /* + * Adjust su area to cover cursor fully as necessary (early + * transport). This needs to be done after + * drm_atomic_add_affected_planes to ensure visible cursor is added into + * affected planes even when cursor is not updated by itself. + */ + intel_psr2_sel_fetch_et_alignment(state, crtc, &cursor_in_su_area); intel_psr2_sel_fetch_pipe_alignment(crtc_state); @@ -2338,49 +2878,52 @@ int intel_psr2_sel_fetch_update(struct intel_atomic_state *state, skip_sel_fetch_set_loop: psr2_man_trk_ctl_calc(crtc_state, full_update); + crtc_state->pipe_srcsz_early_tpt = + psr2_pipe_srcsz_early_tpt_calc(crtc_state, full_update); return 0; } void intel_psr_pre_plane_update(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *i915 = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state); const struct intel_crtc_state *old_crtc_state = intel_atomic_get_old_crtc_state(state, crtc); const struct intel_crtc_state *new_crtc_state = intel_atomic_get_new_crtc_state(state, crtc); struct intel_encoder *encoder; - if (!HAS_PSR(i915)) + if (!HAS_PSR(display)) return; for_each_intel_encoder_mask_with_psr(state->base.dev, encoder, old_crtc_state->uapi.encoder_mask) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); struct intel_psr *psr = &intel_dp->psr; - bool needs_to_disable = false; mutex_lock(&psr->lock); - /* - * Reasons to disable: - * - PSR disabled in new state - * - All planes will go inactive - * - Changing between PSR versions - * - Display WA #1136: skl, bxt - */ - needs_to_disable |= intel_crtc_needs_modeset(new_crtc_state); - needs_to_disable |= !new_crtc_state->has_psr; - needs_to_disable |= !new_crtc_state->active_planes; - needs_to_disable |= new_crtc_state->has_psr2 != psr->psr2_enabled; - needs_to_disable |= DISPLAY_VER(i915) < 11 && - new_crtc_state->wm_level_disabled; - - if (psr->enabled && needs_to_disable) - intel_psr_disable_locked(intel_dp); - else if (psr->enabled && new_crtc_state->wm_level_disabled) - /* Wa_14015648006 */ - wm_optimization_wa(intel_dp, new_crtc_state); + if (psr->enabled) { + /* + * Reasons to disable: + * - PSR disabled in new state + * - All planes will go inactive + * - Changing between PSR versions + * - Region Early Transport changing + * - Display WA #1136: skl, bxt + */ + if (intel_crtc_needs_modeset(new_crtc_state) || + !new_crtc_state->has_psr || + !new_crtc_state->active_planes || + new_crtc_state->has_sel_update != psr->sel_update_enabled || + new_crtc_state->enable_psr2_su_region_et != psr->su_region_et_enabled || + new_crtc_state->has_panel_replay != psr->panel_replay_enabled || + (DISPLAY_VER(display) < 11 && new_crtc_state->wm_level_disabled)) + intel_psr_disable_locked(intel_dp); + else if (new_crtc_state->wm_level_disabled) + /* Wa_14015648006 */ + wm_optimization_wa(intel_dp, new_crtc_state); + } mutex_unlock(&psr->lock); } @@ -2389,12 +2932,12 @@ void intel_psr_pre_plane_update(struct intel_atomic_state *state, void intel_psr_post_plane_update(struct intel_atomic_state *state, struct intel_crtc *crtc) { - struct drm_i915_private *dev_priv = to_i915(state->base.dev); + struct intel_display *display = to_intel_display(state); const struct intel_crtc_state *crtc_state = intel_atomic_get_new_crtc_state(state, crtc); struct intel_encoder *encoder; - if (!(crtc_state->has_psr || crtc_state->has_panel_replay)) + if (!crtc_state->has_psr) return; for_each_intel_encoder_mask_with_psr(state->base.dev, encoder, @@ -2405,13 +2948,14 @@ void intel_psr_post_plane_update(struct intel_atomic_state *state, mutex_lock(&psr->lock); - drm_WARN_ON(&dev_priv->drm, psr->enabled && !crtc_state->active_planes); + drm_WARN_ON(display->drm, + psr->enabled && !crtc_state->active_planes); keep_disabled |= psr->sink_not_reliable; keep_disabled |= !crtc_state->active_planes; /* Display WA #1136: skl, bxt */ - keep_disabled |= DISPLAY_VER(dev_priv) < 11 && + keep_disabled |= DISPLAY_VER(display) < 11 && crtc_state->wm_level_disabled; if (!psr->enabled && !keep_disabled) @@ -2422,7 +2966,7 @@ void intel_psr_post_plane_update(struct intel_atomic_state *state, /* Force a PSR exit when enabling CRC to avoid CRC timeouts */ if (crtc_state->crc_enabled && psr->enabled) - psr_force_hw_tracking_exit(intel_dp); + intel_psr_force_update(intel_dp); /* * Clear possible busy bits in case we have @@ -2436,7 +2980,7 @@ void intel_psr_post_plane_update(struct intel_atomic_state *state, static int _psr2_ready_for_pipe_update_locked(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; /* @@ -2444,14 +2988,14 @@ static int _psr2_ready_for_pipe_update_locked(struct intel_dp *intel_dp) * As all higher states has bit 4 of PSR2 state set we can just wait for * EDP_PSR2_STATUS_STATE_DEEP_SLEEP to be cleared. */ - return intel_de_wait_for_clear(dev_priv, - EDP_PSR2_STATUS(cpu_transcoder), + return intel_de_wait_for_clear(display, + EDP_PSR2_STATUS(display, cpu_transcoder), EDP_PSR2_STATUS_STATE_DEEP_SLEEP, 50); } static int _psr1_ready_for_pipe_update_locked(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; /* @@ -2460,8 +3004,8 @@ static int _psr1_ready_for_pipe_update_locked(struct intel_dp *intel_dp) * exit training time + 1.5 ms of aux channel handshake. 50 ms is * defensive enough to cover everything. */ - return intel_de_wait_for_clear(dev_priv, - psr_status_reg(dev_priv, cpu_transcoder), + return intel_de_wait_for_clear(display, + psr_status_reg(display, cpu_transcoder), EDP_PSR_STATUS_STATE_MASK, 50); } @@ -2474,35 +3018,36 @@ static int _psr1_ready_for_pipe_update_locked(struct intel_dp *intel_dp) */ void intel_psr_wait_for_idle_locked(const struct intel_crtc_state *new_crtc_state) { - struct drm_i915_private *dev_priv = to_i915(new_crtc_state->uapi.crtc->dev); + struct intel_display *display = to_intel_display(new_crtc_state); struct intel_encoder *encoder; if (!new_crtc_state->has_psr) return; - for_each_intel_encoder_mask_with_psr(&dev_priv->drm, encoder, + for_each_intel_encoder_mask_with_psr(display->drm, encoder, new_crtc_state->uapi.encoder_mask) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); int ret; lockdep_assert_held(&intel_dp->psr.lock); - if (!intel_dp->psr.enabled) + if (!intel_dp->psr.enabled || intel_dp->psr.panel_replay_enabled) continue; - if (intel_dp->psr.psr2_enabled) + if (intel_dp->psr.sel_update_enabled) ret = _psr2_ready_for_pipe_update_locked(intel_dp); else ret = _psr1_ready_for_pipe_update_locked(intel_dp); if (ret) - drm_err(&dev_priv->drm, "PSR wait timed out, atomic update may fail\n"); + drm_err(display->drm, + "PSR wait timed out, atomic update may fail\n"); } } static bool __psr_wait_for_idle_locked(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; i915_reg_t reg; u32 mask; @@ -2511,19 +3056,20 @@ static bool __psr_wait_for_idle_locked(struct intel_dp *intel_dp) if (!intel_dp->psr.enabled) return false; - if (intel_dp->psr.psr2_enabled) { - reg = EDP_PSR2_STATUS(cpu_transcoder); + if (intel_dp_is_edp(intel_dp) && (intel_dp->psr.sel_update_enabled || + intel_dp->psr.panel_replay_enabled)) { + reg = EDP_PSR2_STATUS(display, cpu_transcoder); mask = EDP_PSR2_STATUS_STATE_MASK; } else { - reg = psr_status_reg(dev_priv, cpu_transcoder); + reg = psr_status_reg(display, cpu_transcoder); mask = EDP_PSR_STATUS_STATE_MASK; } mutex_unlock(&intel_dp->psr.lock); - err = intel_de_wait_for_clear(dev_priv, reg, mask, 50); + err = intel_de_wait_for_clear(display, reg, mask, 50); if (err) - drm_err(&dev_priv->drm, + drm_err(display->drm, "Timed out waiting for PSR Idle for re-enable\n"); /* After the unlocked wait, verify that PSR is still wanted! */ @@ -2531,7 +3077,7 @@ static bool __psr_wait_for_idle_locked(struct intel_dp *intel_dp) return err == 0 && intel_dp->psr.enabled; } -static int intel_psr_fastset_force(struct drm_i915_private *dev_priv) +static int intel_psr_fastset_force(struct intel_display *display) { struct drm_connector_list_iter conn_iter; struct drm_modeset_acquire_ctx ctx; @@ -2539,7 +3085,7 @@ static int intel_psr_fastset_force(struct drm_i915_private *dev_priv) struct drm_connector *conn; int err = 0; - state = drm_atomic_state_alloc(&dev_priv->drm); + state = drm_atomic_state_alloc(display->drm); if (!state) return -ENOMEM; @@ -2549,7 +3095,7 @@ static int intel_psr_fastset_force(struct drm_i915_private *dev_priv) to_intel_atomic_state(state)->internal = true; retry: - drm_connector_list_iter_begin(&dev_priv->drm, &conn_iter); + drm_connector_list_iter_begin(display->drm, &conn_iter); drm_for_each_connector_iter(conn, &conn_iter) { struct drm_connector_state *conn_state; struct drm_crtc_state *crtc_state; @@ -2596,14 +3142,18 @@ retry: int intel_psr_debug_set(struct intel_dp *intel_dp, u64 val) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); const u32 mode = val & I915_PSR_DEBUG_MODE_MASK; - u32 old_mode; + const u32 disable_bits = val & (I915_PSR_DEBUG_SU_REGION_ET_DISABLE | + I915_PSR_DEBUG_PANEL_REPLAY_DISABLE); + u32 old_mode, old_disable_bits; int ret; - if (val & ~(I915_PSR_DEBUG_IRQ | I915_PSR_DEBUG_MODE_MASK) || + if (val & ~(I915_PSR_DEBUG_IRQ | I915_PSR_DEBUG_SU_REGION_ET_DISABLE | + I915_PSR_DEBUG_PANEL_REPLAY_DISABLE | + I915_PSR_DEBUG_MODE_MASK) || mode > I915_PSR_DEBUG_ENABLE_SEL_FETCH) { - drm_dbg_kms(&dev_priv->drm, "Invalid debug mask %llx\n", val); + drm_dbg_kms(display->drm, "Invalid debug mask %llx\n", val); return -EINVAL; } @@ -2612,6 +3162,10 @@ int intel_psr_debug_set(struct intel_dp *intel_dp, u64 val) return ret; old_mode = intel_dp->psr.debug & I915_PSR_DEBUG_MODE_MASK; + old_disable_bits = intel_dp->psr.debug & + (I915_PSR_DEBUG_SU_REGION_ET_DISABLE | + I915_PSR_DEBUG_PANEL_REPLAY_DISABLE); + intel_dp->psr.debug = val; /* @@ -2623,8 +3177,8 @@ int intel_psr_debug_set(struct intel_dp *intel_dp, u64 val) mutex_unlock(&intel_dp->psr.lock); - if (old_mode != mode) - ret = intel_psr_fastset_force(dev_priv); + if (old_mode != mode || old_disable_bits != disable_bits) + ret = intel_psr_fastset_force(display); return ret; } @@ -2674,26 +3228,35 @@ unlock: mutex_unlock(&intel_dp->psr.lock); } -static void _psr_invalidate_handle(struct intel_dp *intel_dp) +static void intel_psr_configure_full_frame_update(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; - if (intel_dp->psr.psr2_sel_fetch_enabled) { - u32 val; + if (!intel_dp->psr.psr2_sel_fetch_enabled) + return; - if (intel_dp->psr.psr2_sel_fetch_cff_enabled) { - /* Send one update otherwise lag is observed in screen */ - intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0); - return; + if (DISPLAY_VER(display) >= 20) + intel_de_write(display, LNL_SFF_CTL(cpu_transcoder), + LNL_SFF_CTL_SF_SINGLE_FULL_FRAME); + else + intel_de_write(display, + PSR2_MAN_TRK_CTL(display, cpu_transcoder), + man_trk_ctl_enable_bit_get(display) | + man_trk_ctl_partial_frame_bit_get(display) | + man_trk_ctl_single_full_frame_bit_get(display) | + man_trk_ctl_continuos_full_frame(display)); +} + +static void _psr_invalidate_handle(struct intel_dp *intel_dp) +{ + if (intel_dp->psr.psr2_sel_fetch_enabled) { + if (!intel_dp->psr.psr2_sel_fetch_cff_enabled) { + intel_dp->psr.psr2_sel_fetch_cff_enabled = true; + intel_psr_configure_full_frame_update(intel_dp); } - val = man_trk_ctl_enable_bit_get(dev_priv) | - man_trk_ctl_partial_frame_bit_get(dev_priv) | - man_trk_ctl_continuos_full_frame(dev_priv); - intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder), val); - intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0); - intel_dp->psr.psr2_sel_fetch_cff_enabled = true; + intel_psr_force_update(intel_dp); } else { intel_psr_exit(intel_dp); } @@ -2701,7 +3264,7 @@ static void _psr_invalidate_handle(struct intel_dp *intel_dp) /** * intel_psr_invalidate - Invalidate PSR - * @dev_priv: i915 device + * @display: display device * @frontbuffer_bits: frontbuffer plane tracking bits * @origin: which operation caused the invalidate * @@ -2712,7 +3275,7 @@ static void _psr_invalidate_handle(struct intel_dp *intel_dp) * * Dirty frontbuffers relevant to PSR are tracked in busy_frontbuffer_bits." */ -void intel_psr_invalidate(struct drm_i915_private *dev_priv, +void intel_psr_invalidate(struct intel_display *display, unsigned frontbuffer_bits, enum fb_op_origin origin) { struct intel_encoder *encoder; @@ -2720,7 +3283,7 @@ void intel_psr_invalidate(struct drm_i915_private *dev_priv, if (origin == ORIGIN_FLIP) return; - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + for_each_intel_encoder_with_psr(display->drm, encoder) { unsigned int pipe_frontbuffer_bits = frontbuffer_bits; struct intel_dp *intel_dp = enc_to_intel_dp(encoder); @@ -2750,9 +3313,10 @@ static void tgl_dc3co_flush_locked(struct intel_dp *intel_dp, unsigned int frontbuffer_bits, enum fb_op_origin origin) { - struct drm_i915_private *i915 = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); + struct drm_i915_private *i915 = to_i915(display->drm); - if (!intel_dp->psr.dc3co_exitline || !intel_dp->psr.psr2_enabled || + if (!intel_dp->psr.dc3co_exitline || !intel_dp->psr.sel_update_enabled || !intel_dp->psr.active) return; @@ -2771,47 +3335,38 @@ tgl_dc3co_flush_locked(struct intel_dp *intel_dp, unsigned int frontbuffer_bits, static void _psr_flush_handle(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - enum transcoder cpu_transcoder = intel_dp->psr.transcoder; + struct intel_display *display = to_intel_display(intel_dp); + struct drm_i915_private *dev_priv = to_i915(display->drm); if (intel_dp->psr.psr2_sel_fetch_enabled) { if (intel_dp->psr.psr2_sel_fetch_cff_enabled) { /* can we turn CFF off? */ - if (intel_dp->psr.busy_frontbuffer_bits == 0) { - u32 val = man_trk_ctl_enable_bit_get(dev_priv) | - man_trk_ctl_partial_frame_bit_get(dev_priv) | - man_trk_ctl_single_full_frame_bit_get(dev_priv) | - man_trk_ctl_continuos_full_frame(dev_priv); - - /* - * Set psr2_sel_fetch_cff_enabled as false to allow selective - * updates. Still keep cff bit enabled as we don't have proper - * SU configuration in case update is sent for any reason after - * sff bit gets cleared by the HW on next vblank. - */ - intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder), - val); - intel_de_write(dev_priv, CURSURFLIVE(intel_dp->psr.pipe), 0); + if (intel_dp->psr.busy_frontbuffer_bits == 0) intel_dp->psr.psr2_sel_fetch_cff_enabled = false; - } - } else { - /* - * continuous full frame is disabled, only a single full - * frame is required - */ - psr_force_hw_tracking_exit(intel_dp); } - } else { - psr_force_hw_tracking_exit(intel_dp); - if (!intel_dp->psr.active && !intel_dp->psr.busy_frontbuffer_bits) - queue_work(dev_priv->unordered_wq, &intel_dp->psr.work); + /* + * Still keep cff bit enabled as we don't have proper SU + * configuration in case update is sent for any reason after + * sff bit gets cleared by the HW on next vblank. + * + * NOTE: Setting cff bit is not needed for LunarLake onwards as + * we have own register for SFF bit and we are not overwriting + * existing SU configuration + */ + intel_psr_configure_full_frame_update(intel_dp); } + + intel_psr_force_update(intel_dp); + + if (!intel_dp->psr.psr2_sel_fetch_enabled && !intel_dp->psr.active && + !intel_dp->psr.busy_frontbuffer_bits) + queue_work(dev_priv->unordered_wq, &intel_dp->psr.work); } /** * intel_psr_flush - Flush PSR - * @dev_priv: i915 device + * @display: display device * @frontbuffer_bits: frontbuffer plane tracking bits * @origin: which operation caused the flush * @@ -2822,12 +3377,12 @@ static void _psr_flush_handle(struct intel_dp *intel_dp) * * Dirty frontbuffers relevant to PSR are tracked in busy_frontbuffer_bits. */ -void intel_psr_flush(struct drm_i915_private *dev_priv, +void intel_psr_flush(struct intel_display *display, unsigned frontbuffer_bits, enum fb_op_origin origin) { struct intel_encoder *encoder; - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + for_each_intel_encoder_with_psr(display->drm, encoder) { unsigned int pipe_frontbuffer_bits = frontbuffer_bits; struct intel_dp *intel_dp = enc_to_intel_dp(encoder); @@ -2846,7 +3401,7 @@ void intel_psr_flush(struct drm_i915_private *dev_priv, * we have to ensure that the PSR is not activated until * intel_psr_resume() is called. */ - if (intel_dp->psr.paused) + if (intel_dp->psr.pause_counter) goto unlock; if (origin == ORIGIN_FLIP || @@ -2876,11 +3431,11 @@ unlock: */ void intel_psr_init(struct intel_dp *intel_dp) { + struct intel_display *display = to_intel_display(intel_dp); struct intel_connector *connector = intel_dp->attached_connector; struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - if (!(HAS_PSR(dev_priv) || HAS_DP20(dev_priv))) + if (!(HAS_PSR(display) || HAS_DP20(display))) return; /* @@ -2892,22 +3447,21 @@ void intel_psr_init(struct intel_dp *intel_dp) * So lets keep it hardcoded to PORT_A for BDW, GEN9 and GEN11. * But GEN12 supports a instance of PSR registers per transcoder. */ - if (DISPLAY_VER(dev_priv) < 12 && dig_port->base.port != PORT_A) { - drm_dbg_kms(&dev_priv->drm, + if (DISPLAY_VER(display) < 12 && dig_port->base.port != PORT_A) { + drm_dbg_kms(display->drm, "PSR condition failed: Port not supported\n"); return; } - if (HAS_DP20(dev_priv) && !intel_dp_is_edp(intel_dp)) + if ((HAS_DP20(display) && !intel_dp_is_edp(intel_dp)) || + DISPLAY_VER(display) >= 20) intel_dp->psr.source_panel_replay_support = true; - else - intel_dp->psr.source_support = true; - /* Disable early transport for now */ - intel_dp->psr.debug |= I915_PSR_DEBUG_SU_REGION_ET_DISABLE; + if (HAS_PSR(display) && intel_dp_is_edp(intel_dp)) + intel_dp->psr.source_support = true; /* Set link_standby x link_off defaults */ - if (DISPLAY_VER(dev_priv) < 12) + if (DISPLAY_VER(display) < 12) /* For new platforms up to TGL let's respect VBT back again */ intel_dp->psr.link_standby = connector->panel.vbt.psr.full_link; @@ -2944,49 +3498,34 @@ static int psr_get_status_and_error_status(struct intel_dp *intel_dp, static void psr_alpm_check(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - struct drm_dp_aux *aux = &intel_dp->aux; struct intel_psr *psr = &intel_dp->psr; - u8 val; - int r; - if (!psr->psr2_enabled) - return; - - r = drm_dp_dpcd_readb(aux, DP_RECEIVER_ALPM_STATUS, &val); - if (r != 1) { - drm_err(&dev_priv->drm, "Error reading ALPM status\n"); + if (!psr->sel_update_enabled) return; - } - if (val & DP_ALPM_LOCK_TIMEOUT_ERROR) { + if (intel_alpm_get_error(intel_dp)) { intel_psr_disable_locked(intel_dp); psr->sink_not_reliable = true; - drm_dbg_kms(&dev_priv->drm, - "ALPM lock timeout error, disabling PSR\n"); - - /* Clearing error */ - drm_dp_dpcd_writeb(aux, DP_RECEIVER_ALPM_STATUS, val); } } static void psr_capability_changed_check(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); struct intel_psr *psr = &intel_dp->psr; u8 val; int r; r = drm_dp_dpcd_readb(&intel_dp->aux, DP_PSR_ESI, &val); if (r != 1) { - drm_err(&dev_priv->drm, "Error reading DP_PSR_ESI\n"); + drm_err(display->drm, "Error reading DP_PSR_ESI\n"); return; } if (val & DP_PSR_CAPS_CHANGE) { intel_psr_disable_locked(intel_dp); psr->sink_not_reliable = true; - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "Sink PSR capability changed, disabling PSR\n"); /* Clearing it */ @@ -2994,56 +3533,69 @@ static void psr_capability_changed_check(struct intel_dp *intel_dp) } } +/* + * On common bits: + * DP_PSR_RFB_STORAGE_ERROR == DP_PANEL_REPLAY_RFB_STORAGE_ERROR + * DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR == DP_PANEL_REPLAY_VSC_SDP_UNCORRECTABLE_ERROR + * DP_PSR_LINK_CRC_ERROR == DP_PANEL_REPLAY_LINK_CRC_ERROR + * this function is relying on PSR definitions + */ void intel_psr_short_pulse(struct intel_dp *intel_dp) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); struct intel_psr *psr = &intel_dp->psr; u8 status, error_status; const u8 errors = DP_PSR_RFB_STORAGE_ERROR | DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR | DP_PSR_LINK_CRC_ERROR; - if (!CAN_PSR(intel_dp)) + if (!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp)) return; mutex_lock(&psr->lock); + psr->link_ok = false; + if (!psr->enabled) goto exit; if (psr_get_status_and_error_status(intel_dp, &status, &error_status)) { - drm_err(&dev_priv->drm, + drm_err(display->drm, "Error reading PSR status or error status\n"); goto exit; } - if (status == DP_PSR_SINK_INTERNAL_ERROR || (error_status & errors)) { + if ((!psr->panel_replay_enabled && status == DP_PSR_SINK_INTERNAL_ERROR) || + (error_status & errors)) { intel_psr_disable_locked(intel_dp); psr->sink_not_reliable = true; } - if (status == DP_PSR_SINK_INTERNAL_ERROR && !error_status) - drm_dbg_kms(&dev_priv->drm, + if (!psr->panel_replay_enabled && status == DP_PSR_SINK_INTERNAL_ERROR && + !error_status) + drm_dbg_kms(display->drm, "PSR sink internal error, disabling PSR\n"); if (error_status & DP_PSR_RFB_STORAGE_ERROR) - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR RFB storage error, disabling PSR\n"); if (error_status & DP_PSR_VSC_SDP_UNCORRECTABLE_ERROR) - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR VSC SDP uncorrectable error, disabling PSR\n"); if (error_status & DP_PSR_LINK_CRC_ERROR) - drm_dbg_kms(&dev_priv->drm, + drm_dbg_kms(display->drm, "PSR Link CRC error, disabling PSR\n"); if (error_status & ~errors) - drm_err(&dev_priv->drm, + drm_err(display->drm, "PSR_ERROR_STATUS unhandled errors %x\n", error_status & ~errors); /* clear status register */ drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_ERROR_STATUS, error_status); - psr_alpm_check(intel_dp); - psr_capability_changed_check(intel_dp); + if (!psr->panel_replay_enabled) { + psr_alpm_check(intel_dp); + psr_capability_changed_check(intel_dp); + } exit: mutex_unlock(&psr->lock); @@ -3064,6 +3616,33 @@ bool intel_psr_enabled(struct intel_dp *intel_dp) } /** + * intel_psr_link_ok - return psr->link_ok + * @intel_dp: struct intel_dp + * + * We are seeing unexpected link re-trainings with some panels. This is caused + * by panel stating bad link status after PSR is enabled. Code checking link + * status can call this to ensure it can ignore bad link status stated by the + * panel I.e. if panel is stating bad link and intel_psr_link_ok is stating link + * is ok caller should rely on latter. + * + * Return value of link_ok + */ +bool intel_psr_link_ok(struct intel_dp *intel_dp) +{ + bool ret; + + if ((!CAN_PSR(intel_dp) && !CAN_PANEL_REPLAY(intel_dp)) || + !intel_dp_is_edp(intel_dp)) + return false; + + mutex_lock(&intel_dp->psr.lock); + ret = intel_dp->psr.link_ok; + mutex_unlock(&intel_dp->psr.lock); + + return ret; +} + +/** * intel_psr_lock - grab PSR lock * @crtc_state: the crtc state * @@ -3073,13 +3652,13 @@ bool intel_psr_enabled(struct intel_dp *intel_dp) */ void intel_psr_lock(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); + struct intel_display *display = to_intel_display(crtc_state); struct intel_encoder *encoder; if (!crtc_state->has_psr) return; - for_each_intel_encoder_mask_with_psr(&i915->drm, encoder, + for_each_intel_encoder_mask_with_psr(display->drm, encoder, crtc_state->uapi.encoder_mask) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); @@ -3096,13 +3675,13 @@ void intel_psr_lock(const struct intel_crtc_state *crtc_state) */ void intel_psr_unlock(const struct intel_crtc_state *crtc_state) { - struct drm_i915_private *i915 = to_i915(crtc_state->uapi.crtc->dev); + struct intel_display *display = to_intel_display(crtc_state); struct intel_encoder *encoder; if (!crtc_state->has_psr) return; - for_each_intel_encoder_mask_with_psr(&i915->drm, encoder, + for_each_intel_encoder_mask_with_psr(display->drm, encoder, crtc_state->uapi.encoder_mask) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); @@ -3111,15 +3690,178 @@ void intel_psr_unlock(const struct intel_crtc_state *crtc_state) } } +/* Wa_16025596647 */ +static void intel_psr_apply_underrun_on_idle_wa_locked(struct intel_dp *intel_dp) +{ + struct intel_display *display = to_intel_display(intel_dp); + bool dc5_dc6_blocked; + + if (!intel_dp->psr.active) + return; + + dc5_dc6_blocked = is_dc5_dc6_blocked(intel_dp); + + if (intel_dp->psr.sel_update_enabled) + psr2_program_idle_frames(intel_dp, dc5_dc6_blocked ? 0 : + psr_compute_idle_frames(intel_dp)); + else + intel_dmc_start_pkgc_exit_at_start_of_undelayed_vblank(display, + intel_dp->psr.pipe, + dc5_dc6_blocked); +} + +static void psr_dc5_dc6_wa_work(struct work_struct *work) +{ + struct intel_display *display = container_of(work, typeof(*display), + psr_dc5_dc6_wa_work); + struct intel_encoder *encoder; + + for_each_intel_encoder_with_psr(display->drm, encoder) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + mutex_lock(&intel_dp->psr.lock); + + if (intel_dp->psr.enabled && !intel_dp->psr.panel_replay_enabled) + intel_psr_apply_underrun_on_idle_wa_locked(intel_dp); + + mutex_unlock(&intel_dp->psr.lock); + } +} + +/** + * intel_psr_notify_dc5_dc6 - Notify PSR about enable/disable dc5/dc6 + * @display: intel atomic state + * + * This is targeted for underrun on idle PSR HW bug (Wa_16025596647) to schedule + * psr_dc5_dc6_wa_work used for applying/removing the workaround. + */ +void intel_psr_notify_dc5_dc6(struct intel_display *display) +{ + if (DISPLAY_VER(display) != 20 && + !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) + return; + + schedule_work(&display->psr_dc5_dc6_wa_work); +} + +/** + * intel_psr_dc5_dc6_wa_init - Init work for underrun on idle PSR HW bug wa + * @display: intel atomic state + * + * This is targeted for underrun on idle PSR HW bug (Wa_16025596647) to init + * psr_dc5_dc6_wa_work used for applying the workaround. + */ +void intel_psr_dc5_dc6_wa_init(struct intel_display *display) +{ + if (DISPLAY_VER(display) != 20 && + !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) + return; + + INIT_WORK(&display->psr_dc5_dc6_wa_work, psr_dc5_dc6_wa_work); +} + +/** + * intel_psr_notify_pipe_change - Notify PSR about enable/disable of a pipe + * @state: intel atomic state + * @crtc: intel crtc + * @enable: enable/disable + * + * This is targeted for underrun on idle PSR HW bug (Wa_16025596647) to apply + * remove the workaround when pipe is getting enabled/disabled + */ +void intel_psr_notify_pipe_change(struct intel_atomic_state *state, + struct intel_crtc *crtc, bool enable) +{ + struct intel_display *display = to_intel_display(state); + struct intel_encoder *encoder; + + if (DISPLAY_VER(display) != 20 && + !IS_DISPLAY_VERx100_STEP(display, 3000, STEP_A0, STEP_B0)) + return; + + for_each_intel_encoder_with_psr(display->drm, encoder) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + u8 active_non_psr_pipes; + + mutex_lock(&intel_dp->psr.lock); + + if (!intel_dp->psr.enabled || intel_dp->psr.panel_replay_enabled) + goto unlock; + + active_non_psr_pipes = intel_dp->psr.active_non_psr_pipes; + + if (enable) + active_non_psr_pipes |= BIT(crtc->pipe); + else + active_non_psr_pipes &= ~BIT(crtc->pipe); + + if (active_non_psr_pipes == intel_dp->psr.active_non_psr_pipes) + goto unlock; + + if ((enable && intel_dp->psr.active_non_psr_pipes) || + (!enable && !intel_dp->psr.active_non_psr_pipes)) { + intel_dp->psr.active_non_psr_pipes = active_non_psr_pipes; + goto unlock; + } + + intel_dp->psr.active_non_psr_pipes = active_non_psr_pipes; + + intel_psr_apply_underrun_on_idle_wa_locked(intel_dp); +unlock: + mutex_unlock(&intel_dp->psr.lock); + } +} + +/** + * intel_psr_notify_vblank_enable_disable - Notify PSR about enable/disable of vblank + * @display: intel display struct + * @enable: enable/disable + * + * This is targeted for underrun on idle PSR HW bug (Wa_16025596647) to apply + * remove the workaround when vblank is getting enabled/disabled + */ +void intel_psr_notify_vblank_enable_disable(struct intel_display *display, + bool enable) +{ + struct intel_encoder *encoder; + + for_each_intel_encoder_with_psr(display->drm, encoder) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + mutex_lock(&intel_dp->psr.lock); + if (intel_dp->psr.panel_replay_enabled) { + mutex_unlock(&intel_dp->psr.lock); + break; + } + + if (intel_dp->psr.enabled) + intel_psr_apply_underrun_on_idle_wa_locked(intel_dp); + + mutex_unlock(&intel_dp->psr.lock); + return; + } + + /* + * NOTE: intel_display_power_set_target_dc_state is used + * only by PSR * code for DC3CO handling. DC3CO target + * state is currently disabled in * PSR code. If DC3CO + * is taken into use we need take that into account here + * as well. + */ + intel_display_power_set_target_dc_state(display, enable ? DC_STATE_DISABLE : + DC_STATE_EN_UPTO_DC6); +} + static void psr_source_status(struct intel_dp *intel_dp, struct seq_file *m) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); + struct intel_display *display = to_intel_display(intel_dp); enum transcoder cpu_transcoder = intel_dp->psr.transcoder; const char *status = "unknown"; u32 val, status_val; - if (intel_dp->psr.psr2_enabled) { + if ((intel_dp_is_edp(intel_dp) || DISPLAY_VER(display) >= 30) && + (intel_dp->psr.sel_update_enabled || intel_dp->psr.panel_replay_enabled)) { static const char * const live_status[] = { "IDLE", "CAPTURE", @@ -3133,7 +3875,8 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m) "BUF_ON", "TG_ON" }; - val = intel_de_read(dev_priv, EDP_PSR2_STATUS(cpu_transcoder)); + val = intel_de_read(display, + EDP_PSR2_STATUS(display, cpu_transcoder)); status_val = REG_FIELD_GET(EDP_PSR2_STATUS_STATE_MASK, val); if (status_val < ARRAY_SIZE(live_status)) status = live_status[status_val]; @@ -3148,7 +3891,8 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m) "SRDOFFACK", "SRDENT_ON", }; - val = intel_de_read(dev_priv, psr_status_reg(dev_priv, cpu_transcoder)); + val = intel_de_read(display, + psr_status_reg(display, cpu_transcoder)); status_val = REG_FIELD_GET(EDP_PSR_STATUS_STATE_MASK, val); if (status_val < ARRAY_SIZE(live_status)) status = live_status[status_val]; @@ -3157,36 +3901,74 @@ psr_source_status(struct intel_dp *intel_dp, struct seq_file *m) seq_printf(m, "Source PSR/PanelReplay status: %s [0x%08x]\n", status, val); } -static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) +static void intel_psr_sink_capability(struct intel_dp *intel_dp, + struct seq_file *m) { - struct drm_i915_private *dev_priv = dp_to_i915(intel_dp); - enum transcoder cpu_transcoder = intel_dp->psr.transcoder; struct intel_psr *psr = &intel_dp->psr; - intel_wakeref_t wakeref; - const char *status; - bool enabled; - u32 val; seq_printf(m, "Sink support: PSR = %s", str_yes_no(psr->sink_support)); if (psr->sink_support) seq_printf(m, " [0x%02x]", intel_dp->psr_dpcd[0]); - seq_printf(m, ", Panel Replay = %s\n", str_yes_no(psr->sink_panel_replay_support)); + if (intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_ET_SUPPORTED) + seq_printf(m, " (Early Transport)"); + seq_printf(m, ", Panel Replay = %s", str_yes_no(psr->sink_panel_replay_support)); + seq_printf(m, ", Panel Replay Selective Update = %s", + str_yes_no(psr->sink_panel_replay_su_support)); + if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_EARLY_TRANSPORT_SUPPORT) + seq_printf(m, " (Early Transport)"); + seq_printf(m, "\n"); +} + +static void intel_psr_print_mode(struct intel_dp *intel_dp, + struct seq_file *m) +{ + struct intel_psr *psr = &intel_dp->psr; + const char *status, *mode, *region_et; + + if (psr->enabled) + status = " enabled"; + else + status = "disabled"; + + if (psr->panel_replay_enabled && psr->sel_update_enabled) + mode = "Panel Replay Selective Update"; + else if (psr->panel_replay_enabled) + mode = "Panel Replay"; + else if (psr->sel_update_enabled) + mode = "PSR2"; + else if (psr->enabled) + mode = "PSR1"; + else + mode = ""; + + if (psr->su_region_et_enabled) + region_et = " (Early Transport)"; + else + region_et = ""; + + seq_printf(m, "PSR mode: %s%s%s\n", mode, status, region_et); +} + +static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) +{ + struct intel_display *display = to_intel_display(intel_dp); + enum transcoder cpu_transcoder = intel_dp->psr.transcoder; + struct intel_psr *psr = &intel_dp->psr; + struct ref_tracker *wakeref; + bool enabled; + u32 val, psr2_ctl; + + intel_psr_sink_capability(intel_dp, m); if (!(psr->sink_support || psr->sink_panel_replay_support)) return 0; - wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); + wakeref = intel_display_rpm_get(display); mutex_lock(&psr->lock); - if (psr->panel_replay_enabled) - status = "Panel Replay Enabled"; - else if (psr->enabled) - status = psr->psr2_enabled ? "PSR2 enabled" : "PSR1 enabled"; - else - status = "disabled"; - seq_printf(m, "PSR mode: %s\n", status); + intel_psr_print_mode(intel_dp, m); if (!psr->enabled) { seq_printf(m, "PSR sink not reliable: %s\n", @@ -3196,17 +3978,27 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) } if (psr->panel_replay_enabled) { - val = intel_de_read(dev_priv, TRANS_DP2_CTL(cpu_transcoder)); + val = intel_de_read(display, TRANS_DP2_CTL(cpu_transcoder)); + + if (intel_dp_is_edp(intel_dp)) + psr2_ctl = intel_de_read(display, + EDP_PSR2_CTL(display, + cpu_transcoder)); + enabled = val & TRANS_DP2_PANEL_REPLAY_ENABLE; - } else if (psr->psr2_enabled) { - val = intel_de_read(dev_priv, EDP_PSR2_CTL(cpu_transcoder)); + } else if (psr->sel_update_enabled) { + val = intel_de_read(display, + EDP_PSR2_CTL(display, cpu_transcoder)); enabled = val & EDP_PSR2_ENABLE; } else { - val = intel_de_read(dev_priv, psr_ctl_reg(dev_priv, cpu_transcoder)); + val = intel_de_read(display, psr_ctl_reg(display, cpu_transcoder)); enabled = val & EDP_PSR_ENABLE; } seq_printf(m, "Source PSR/PanelReplay ctl: %s [0x%08x]\n", str_enabled_disabled(enabled), val); + if (psr->panel_replay_enabled && intel_dp_is_edp(intel_dp)) + seq_printf(m, "PSR2_CTL: 0x%08x\n", + psr2_ctl); psr_source_status(intel_dp, m); seq_printf(m, "Busy frontbuffer bits: 0x%08x\n", psr->busy_frontbuffer_bits); @@ -3214,7 +4006,7 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) /* * SKL+ Perf counter is reset to 0 everytime DC state is entered */ - val = intel_de_read(dev_priv, psr_perf_cnt_reg(dev_priv, cpu_transcoder)); + val = intel_de_read(display, psr_perf_cnt_reg(display, cpu_transcoder)); seq_printf(m, "Performance counter: %u\n", REG_FIELD_GET(EDP_PSR_PERF_CNT_MASK, val)); @@ -3224,7 +4016,7 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) seq_printf(m, "Last exit at: %lld\n", psr->last_exit); } - if (psr->psr2_enabled) { + if (psr->sel_update_enabled) { u32 su_frames_val[3]; int frame; @@ -3233,7 +4025,8 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) * frame boundary between register reads */ for (frame = 0; frame < PSR2_SU_STATUS_FRAMES; frame += 3) { - val = intel_de_read(dev_priv, PSR2_SU_STATUS(cpu_transcoder, frame)); + val = intel_de_read(display, + PSR2_SU_STATUS(display, cpu_transcoder, frame)); su_frames_val[frame / 3] = val; } @@ -3254,22 +4047,22 @@ static int intel_psr_status(struct seq_file *m, struct intel_dp *intel_dp) unlock: mutex_unlock(&psr->lock); - intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); + intel_display_rpm_put(display, wakeref); return 0; } static int i915_edp_psr_status_show(struct seq_file *m, void *data) { - struct drm_i915_private *dev_priv = m->private; + struct intel_display *display = m->private; struct intel_dp *intel_dp = NULL; struct intel_encoder *encoder; - if (!HAS_PSR(dev_priv)) + if (!HAS_PSR(display)) return -ENODEV; /* Find the first EDP which supports PSR */ - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + for_each_intel_encoder_with_psr(display->drm, encoder) { intel_dp = enc_to_intel_dp(encoder); break; } @@ -3284,25 +4077,21 @@ DEFINE_SHOW_ATTRIBUTE(i915_edp_psr_status); static int i915_edp_psr_debug_set(void *data, u64 val) { - struct drm_i915_private *dev_priv = data; + struct intel_display *display = data; struct intel_encoder *encoder; - intel_wakeref_t wakeref; int ret = -ENODEV; - if (!HAS_PSR(dev_priv)) + if (!HAS_PSR(display)) return ret; - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + for_each_intel_encoder_with_psr(display->drm, encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); - drm_dbg_kms(&dev_priv->drm, "Setting PSR debug to %llx\n", val); - - wakeref = intel_runtime_pm_get(&dev_priv->runtime_pm); + drm_dbg_kms(display->drm, "Setting PSR debug to %llx\n", val); // TODO: split to each transcoder's PSR debug state - ret = intel_psr_debug_set(intel_dp, val); - - intel_runtime_pm_put(&dev_priv->runtime_pm, wakeref); + with_intel_display_rpm(display) + ret = intel_psr_debug_set(intel_dp, val); } return ret; @@ -3311,13 +4100,13 @@ i915_edp_psr_debug_set(void *data, u64 val) static int i915_edp_psr_debug_get(void *data, u64 *val) { - struct drm_i915_private *dev_priv = data; + struct intel_display *display = data; struct intel_encoder *encoder; - if (!HAS_PSR(dev_priv)) + if (!HAS_PSR(display)) return -ENODEV; - for_each_intel_encoder_with_psr(&dev_priv->drm, encoder) { + for_each_intel_encoder_with_psr(display->drm, encoder) { struct intel_dp *intel_dp = enc_to_intel_dp(encoder); // TODO: split to each transcoder's PSR debug state @@ -3332,15 +4121,15 @@ DEFINE_SIMPLE_ATTRIBUTE(i915_edp_psr_debug_fops, i915_edp_psr_debug_get, i915_edp_psr_debug_set, "%llu\n"); -void intel_psr_debugfs_register(struct drm_i915_private *i915) +void intel_psr_debugfs_register(struct intel_display *display) { - struct drm_minor *minor = i915->drm.primary; + struct drm_minor *minor = display->drm->primary; debugfs_create_file("i915_edp_psr_debug", 0644, minor->debugfs_root, - i915, &i915_edp_psr_debug_fops); + display, &i915_edp_psr_debug_fops); debugfs_create_file("i915_edp_psr_status", 0444, minor->debugfs_root, - i915, &i915_edp_psr_status_fops); + display, &i915_edp_psr_status_fops); } static const char *psr_mode_str(struct intel_dp *intel_dp) @@ -3367,16 +4156,9 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data) "reserved", "sink internal error", }; - static const char * const panel_replay_status[] = { - "Sink device frame is locked to the Source device", - "Sink device is coasting, using the VTotal target", - "Sink device is governing the frame rate (frame rate unlock is granted)", - "Sink device in the process of re-locking with the Source device", - }; const char *str; int ret; u8 status, error_status; - u32 idx; if (!(CAN_PSR(intel_dp) || CAN_PANEL_REPLAY(intel_dp))) { seq_puts(m, "PSR/Panel-Replay Unsupported\n"); @@ -3390,16 +4172,11 @@ static int i915_psr_sink_status_show(struct seq_file *m, void *data) if (ret) return ret; - str = "unknown"; - if (intel_dp->psr.panel_replay_enabled) { - idx = (status & DP_SINK_FRAME_LOCKED_MASK) >> DP_SINK_FRAME_LOCKED_SHIFT; - if (idx < ARRAY_SIZE(panel_replay_status)) - str = panel_replay_status[idx]; - } else if (intel_dp->psr.enabled) { - idx = status & DP_PSR_SINK_STATE_MASK; - if (idx < ARRAY_SIZE(sink_status)) - str = sink_status[idx]; - } + status &= DP_PSR_SINK_STATE_MASK; + if (status < ARRAY_SIZE(sink_status)) + str = sink_status[status]; + else + str = "unknown"; seq_printf(m, "Sink %s status: 0x%x [%s]\n", psr_mode_str(intel_dp), status, str); @@ -3433,19 +4210,27 @@ DEFINE_SHOW_ATTRIBUTE(i915_psr_status); void intel_psr_connector_debugfs_add(struct intel_connector *connector) { - struct drm_i915_private *i915 = to_i915(connector->base.dev); + struct intel_display *display = to_intel_display(connector); struct dentry *root = connector->base.debugfs_entry; - /* TODO: Add support for MST connectors as well. */ - if ((connector->base.connector_type != DRM_MODE_CONNECTOR_eDP && - connector->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) || - connector->mst_port) + if (connector->base.connector_type != DRM_MODE_CONNECTOR_eDP && + connector->base.connector_type != DRM_MODE_CONNECTOR_DisplayPort) return; debugfs_create_file("i915_psr_sink_status", 0444, root, connector, &i915_psr_sink_status_fops); - if (HAS_PSR(i915) || HAS_DP20(i915)) + if (HAS_PSR(display) || HAS_DP20(display)) debugfs_create_file("i915_psr_status", 0444, root, connector, &i915_psr_status_fops); } + +bool intel_psr_needs_alpm(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state) +{ + /* + * eDP Panel Replay uses always ALPM + * PSR2 uses ALPM but PSR1 doesn't + */ + return intel_dp_is_edp(intel_dp) && (crtc_state->has_sel_update || + crtc_state->has_panel_replay); +} |