diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_ddi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 155 |
1 files changed, 100 insertions, 55 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index aa22465bb56e..025d4052f6f8 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -639,11 +639,25 @@ struct tgl_dkl_phy_ddi_buf_trans { static const struct tgl_dkl_phy_ddi_buf_trans tgl_dkl_phy_dp_ddi_trans[] = { /* VS pre-emp Non-trans mV Pre-emph dB */ { 0x7, 0x0, 0x00 }, /* 0 0 400mV 0 dB */ - { 0x5, 0x0, 0x03 }, /* 0 1 400mV 3.5 dB */ - { 0x2, 0x0, 0x0b }, /* 0 2 400mV 6 dB */ + { 0x5, 0x0, 0x05 }, /* 0 1 400mV 3.5 dB */ + { 0x2, 0x0, 0x0B }, /* 0 2 400mV 6 dB */ + { 0x0, 0x0, 0x18 }, /* 0 3 400mV 9.5 dB */ + { 0x5, 0x0, 0x00 }, /* 1 0 600mV 0 dB */ + { 0x2, 0x0, 0x08 }, /* 1 1 600mV 3.5 dB */ + { 0x0, 0x0, 0x14 }, /* 1 2 600mV 6 dB */ + { 0x2, 0x0, 0x00 }, /* 2 0 800mV 0 dB */ + { 0x0, 0x0, 0x0B }, /* 2 1 800mV 3.5 dB */ + { 0x0, 0x0, 0x00 }, /* 3 0 1200mV 0 dB HDMI default */ +}; + +static const struct tgl_dkl_phy_ddi_buf_trans tgl_dkl_phy_dp_ddi_trans_hbr2[] = { + /* VS pre-emp Non-trans mV Pre-emph dB */ + { 0x7, 0x0, 0x00 }, /* 0 0 400mV 0 dB */ + { 0x5, 0x0, 0x05 }, /* 0 1 400mV 3.5 dB */ + { 0x2, 0x0, 0x0B }, /* 0 2 400mV 6 dB */ { 0x0, 0x0, 0x19 }, /* 0 3 400mV 9.5 dB */ { 0x5, 0x0, 0x00 }, /* 1 0 600mV 0 dB */ - { 0x2, 0x0, 0x03 }, /* 1 1 600mV 3.5 dB */ + { 0x2, 0x0, 0x08 }, /* 1 1 600mV 3.5 dB */ { 0x0, 0x0, 0x14 }, /* 1 2 600mV 6 dB */ { 0x2, 0x0, 0x00 }, /* 2 0 800mV 0 dB */ { 0x0, 0x0, 0x0B }, /* 2 1 800mV 3.5 dB */ @@ -722,10 +736,14 @@ skl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) static const struct ddi_buf_trans * kbl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries) { - if (IS_KBL_ULX(dev_priv) || IS_CFL_ULX(dev_priv)) { + if (IS_KBL_ULX(dev_priv) || + IS_CFL_ULX(dev_priv) || + IS_CML_ULX(dev_priv)) { *n_entries = ARRAY_SIZE(kbl_y_ddi_translations_dp); return kbl_y_ddi_translations_dp; - } else if (IS_KBL_ULT(dev_priv) || IS_CFL_ULT(dev_priv)) { + } else if (IS_KBL_ULT(dev_priv) || + IS_CFL_ULT(dev_priv) || + IS_CML_ULT(dev_priv)) { *n_entries = ARRAY_SIZE(kbl_u_ddi_translations_dp); return kbl_u_ddi_translations_dp; } else { @@ -738,12 +756,16 @@ static const struct ddi_buf_trans * skl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) { if (dev_priv->vbt.edp.low_vswing) { - if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv) || - IS_CFL_ULX(dev_priv)) { + if (IS_SKL_ULX(dev_priv) || + IS_KBL_ULX(dev_priv) || + IS_CFL_ULX(dev_priv) || + IS_CML_ULX(dev_priv)) { *n_entries = ARRAY_SIZE(skl_y_ddi_translations_edp); return skl_y_ddi_translations_edp; - } else if (IS_SKL_ULT(dev_priv) || IS_KBL_ULT(dev_priv) || - IS_CFL_ULT(dev_priv)) { + } else if (IS_SKL_ULT(dev_priv) || + IS_KBL_ULT(dev_priv) || + IS_CFL_ULT(dev_priv) || + IS_CML_ULT(dev_priv)) { *n_entries = ARRAY_SIZE(skl_u_ddi_translations_edp); return skl_u_ddi_translations_edp; } else { @@ -752,7 +774,9 @@ skl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) } } - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) + if (IS_KABYLAKE(dev_priv) || + IS_COFFEELAKE(dev_priv) || + IS_COMETLAKE(dev_priv)) return kbl_get_buf_trans_dp(dev_priv, n_entries); else return skl_get_buf_trans_dp(dev_priv, n_entries); @@ -761,8 +785,10 @@ skl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries) static const struct ddi_buf_trans * skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries) { - if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv) || - IS_CFL_ULX(dev_priv)) { + if (IS_SKL_ULX(dev_priv) || + IS_KBL_ULX(dev_priv) || + IS_CFL_ULX(dev_priv) || + IS_CML_ULX(dev_priv)) { *n_entries = ARRAY_SIZE(skl_y_ddi_translations_hdmi); return skl_y_ddi_translations_hdmi; } else { @@ -784,7 +810,9 @@ static const struct ddi_buf_trans * intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv, enum port port, int *n_entries) { - if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) { + if (IS_KABYLAKE(dev_priv) || + IS_COFFEELAKE(dev_priv) || + IS_COMETLAKE(dev_priv)) { const struct ddi_buf_trans *ddi_translations = kbl_get_buf_trans_dp(dev_priv, n_entries); *n_entries = skl_buf_trans_num_entries(port, *n_entries); @@ -1014,6 +1042,22 @@ tgl_get_combo_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, return tgl_combo_phy_ddi_translations_dp_hbr; } +static const struct tgl_dkl_phy_ddi_buf_trans * +tgl_get_dkl_buf_trans(struct drm_i915_private *dev_priv, int type, int rate, + int *n_entries) +{ + if (type == INTEL_OUTPUT_HDMI) { + *n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans); + return tgl_dkl_phy_hdmi_ddi_trans; + } else if (rate > 270000) { + *n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans_hbr2); + return tgl_dkl_phy_dp_ddi_trans_hbr2; + } + + *n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans); + return tgl_dkl_phy_dp_ddi_trans; +} + static int intel_ddi_hdmi_level(struct intel_encoder *encoder) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); @@ -1025,7 +1069,8 @@ static int intel_ddi_hdmi_level(struct intel_encoder *encoder) tgl_get_combo_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, 0, &n_entries); else - n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans); + tgl_get_dkl_buf_trans(dev_priv, INTEL_OUTPUT_HDMI, 0, + &n_entries); default_entry = n_entries - 1; } else if (INTEL_GEN(dev_priv) == 11) { if (intel_phy_is_combo(dev_priv, phy)) @@ -1608,7 +1653,6 @@ void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder, struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); enum transcoder cpu_transcoder = crtc_state->cpu_transcoder; - u32 ctl; if (INTEL_GEN(dev_priv) >= 11) { enum transcoder master_transcoder = crtc_state->master_transcoder; @@ -1626,10 +1670,9 @@ void intel_ddi_enable_transcoder_func(struct intel_encoder *encoder, TRANS_DDI_FUNC_CTL2(cpu_transcoder), ctl2); } - ctl = intel_ddi_transcoder_func_reg_val_get(encoder, crtc_state); - if (intel_crtc_has_type(crtc_state, INTEL_OUTPUT_DP_MST)) - ctl |= TRANS_DDI_DP_VC_PAYLOAD_ALLOC; - intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), ctl); + intel_de_write(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder), + intel_ddi_transcoder_func_reg_val_get(encoder, + crtc_state)); } /* @@ -2095,10 +2138,10 @@ static void bxt_ddi_vswing_sequence(struct intel_encoder *encoder, ddi_translations[level].deemphasis); } -u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) +static u8 intel_ddi_dp_voltage_max(struct intel_dp *intel_dp) { + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); - struct intel_dp *intel_dp = enc_to_intel_dp(encoder); enum port port = encoder->port; enum phy phy = intel_port_to_phy(dev_priv, port); int n_entries; @@ -2108,7 +2151,8 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) tgl_get_combo_buf_trans(dev_priv, encoder->type, intel_dp->link_rate, &n_entries); else - n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans); + tgl_get_dkl_buf_trans(dev_priv, encoder->type, + intel_dp->link_rate, &n_entries); } else if (INTEL_GEN(dev_priv) == 11) { if (IS_ELKHARTLAKE(dev_priv)) ehl_get_combo_buf_trans(dev_priv, encoder->type, @@ -2151,19 +2195,9 @@ u8 intel_ddi_dp_voltage_max(struct intel_encoder *encoder) * used on all DDI platforms. Should that change we need to * rethink this code. */ -u8 intel_ddi_dp_pre_emphasis_max(struct intel_encoder *encoder, u8 voltage_swing) +static u8 intel_ddi_dp_preemph_max(struct intel_dp *intel_dp) { - switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) { - case DP_TRAIN_VOLTAGE_SWING_LEVEL_0: - return DP_TRAIN_PRE_EMPH_LEVEL_3; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_1: - return DP_TRAIN_PRE_EMPH_LEVEL_2; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_2: - return DP_TRAIN_PRE_EMPH_LEVEL_1; - case DP_TRAIN_VOLTAGE_SWING_LEVEL_3: - default: - return DP_TRAIN_PRE_EMPH_LEVEL_0; - } + return DP_TRAIN_PRE_EMPH_LEVEL_3; } static void cnl_ddi_vswing_program(struct intel_encoder *encoder, @@ -2579,21 +2613,23 @@ static void icl_ddi_vswing_sequence(struct intel_encoder *encoder, static void tgl_dkl_phy_ddi_vswing_sequence(struct intel_encoder *encoder, int link_clock, - u32 level) + u32 level, enum intel_output_type type) { struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); enum tc_port tc_port = intel_port_to_tc(dev_priv, encoder->port); const struct tgl_dkl_phy_ddi_buf_trans *ddi_translations; u32 n_entries, val, ln, dpcnt_mask, dpcnt_val; + int rate = 0; - if (encoder->type == INTEL_OUTPUT_HDMI) { - n_entries = ARRAY_SIZE(tgl_dkl_phy_hdmi_ddi_trans); - ddi_translations = tgl_dkl_phy_hdmi_ddi_trans; - } else { - n_entries = ARRAY_SIZE(tgl_dkl_phy_dp_ddi_trans); - ddi_translations = tgl_dkl_phy_dp_ddi_trans; + if (type == INTEL_OUTPUT_HDMI) { + struct intel_dp *intel_dp = enc_to_intel_dp(encoder); + + rate = intel_dp->link_rate; } + ddi_translations = tgl_get_dkl_buf_trans(dev_priv, encoder->type, rate, + &n_entries); + if (level >= n_entries) level = n_entries - 1; @@ -2638,7 +2674,7 @@ static void tgl_ddi_vswing_sequence(struct intel_encoder *encoder, if (intel_phy_is_combo(dev_priv, phy)) icl_combo_phy_ddi_vswing_sequence(encoder, level, type); else - tgl_dkl_phy_ddi_vswing_sequence(encoder, link_clock, level); + tgl_dkl_phy_ddi_vswing_sequence(encoder, link_clock, level, type); } static u32 translate_signal_level(struct intel_dp *intel_dp, int signal_levels) @@ -2987,7 +3023,7 @@ icl_program_mg_dp_mode(struct intel_digital_port *intel_dig_port, ln1 = intel_de_read(dev_priv, MG_DP_MODE(1, tc_port)); } - ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X1_MODE); + ln0 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); ln1 &= ~(MG_DP_MODE_CFG_DP_X1_MODE | MG_DP_MODE_CFG_DP_X2_MODE); /* DPPATC */ @@ -3344,11 +3380,10 @@ static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) { - struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder); - struct intel_hdmi *intel_hdmi = &intel_dig_port->hdmi; + struct intel_digital_port *dig_port = enc_to_dig_port(encoder); + struct intel_hdmi *intel_hdmi = &dig_port->hdmi; struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); int level = intel_ddi_hdmi_level(encoder); - struct intel_digital_port *dig_port = enc_to_dig_port(encoder); intel_dp_dual_mode_set_tmds_output(intel_hdmi, true); intel_ddi_clk_select(encoder, crtc_state); @@ -3375,9 +3410,9 @@ static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state, intel_ddi_enable_pipe_clock(encoder, crtc_state); - intel_dig_port->set_infoframes(encoder, - crtc_state->has_infoframe, - crtc_state, conn_state); + dig_port->set_infoframes(encoder, + crtc_state->has_infoframe, + crtc_state, conn_state); } static void intel_ddi_pre_enable(struct intel_atomic_state *state, @@ -3472,7 +3507,9 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state, INTEL_OUTPUT_DP_MST); enum phy phy = intel_port_to_phy(dev_priv, encoder->port); - intel_dp_set_infoframes(encoder, false, old_crtc_state, old_conn_state); + if (!is_mst) + intel_dp_set_infoframes(encoder, false, + old_crtc_state, old_conn_state); /* * Power down sink before disabling the port, otherwise we end @@ -4153,11 +4190,6 @@ void intel_ddi_get_config(struct intel_encoder *encoder, if (drm_WARN_ON(&dev_priv->drm, transcoder_is_dsi(cpu_transcoder))) return; - if (INTEL_GEN(dev_priv) >= 12) { - intel_dp->regs.dp_tp_ctl = TGL_DP_TP_CTL(cpu_transcoder); - intel_dp->regs.dp_tp_status = TGL_DP_TP_STATUS(cpu_transcoder); - } - intel_dsc_get_config(encoder, pipe_config); temp = intel_de_read(dev_priv, TRANS_DDI_FUNC_CTL(cpu_transcoder)); @@ -4259,6 +4291,16 @@ void intel_ddi_get_config(struct intel_encoder *encoder, break; } + if (INTEL_GEN(dev_priv) >= 12) { + enum transcoder transcoder = + intel_dp_mst_is_slave_trans(pipe_config) ? + pipe_config->mst_master_transcoder : + pipe_config->cpu_transcoder; + + intel_dp->regs.dp_tp_ctl = TGL_DP_TP_CTL(transcoder); + intel_dp->regs.dp_tp_status = TGL_DP_TP_STATUS(transcoder); + } + pipe_config->has_audio = intel_ddi_is_audio_enabled(dev_priv, cpu_transcoder); @@ -4521,6 +4563,9 @@ intel_ddi_init_dp_connector(struct intel_digital_port *intel_dig_port) else intel_dig_port->dp.set_signal_levels = hsw_set_signal_levels; + intel_dig_port->dp.voltage_max = intel_ddi_dp_voltage_max; + intel_dig_port->dp.preemph_max = intel_ddi_dp_preemph_max; + if (INTEL_GEN(dev_priv) < 12) { intel_dig_port->dp.regs.dp_tp_ctl = DP_TP_CTL(port); intel_dig_port->dp.regs.dp_tp_status = DP_TP_STATUS(port); |