diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_link_training.c | 30 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_psr.c | 2 |
4 files changed, 22 insertions, 26 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index b5cd188ca520..8f5a935b72b6 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -927,18 +927,14 @@ intel_dp_mode_valid(struct drm_connector *connector, return intel_mode_valid_max_plane_size(dev_priv, mode, bigjoiner); } -bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp) +bool intel_dp_source_supports_tps3(struct drm_i915_private *i915) { - int max_rate = intel_dp->source_rates[intel_dp->num_source_rates - 1]; - - return max_rate >= 540000; + return DISPLAY_VER(i915) >= 9 || IS_BROADWELL(i915) || IS_HASWELL(i915); } -bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp) +bool intel_dp_source_supports_tps4(struct drm_i915_private *i915) { - int max_rate = intel_dp->source_rates[intel_dp->num_source_rates - 1]; - - return max_rate >= 810000; + return DISPLAY_VER(i915) >= 10; } static void snprintf_int_array(char *str, size_t len, diff --git a/drivers/gpu/drm/i915/display/intel_dp.h b/drivers/gpu/drm/i915/display/intel_dp.h index 3343c2591680..ce229026dc91 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.h +++ b/drivers/gpu/drm/i915/display/intel_dp.h @@ -73,8 +73,8 @@ int intel_dp_rate_select(struct intel_dp *intel_dp, int rate); void intel_dp_compute_rate(struct intel_dp *intel_dp, int port_clock, u8 *link_bw, u8 *rate_select); -bool intel_dp_source_supports_hbr2(struct intel_dp *intel_dp); -bool intel_dp_source_supports_hbr3(struct intel_dp *intel_dp); +bool intel_dp_source_supports_tps3(struct drm_i915_private *i915); +bool intel_dp_source_supports_tps4(struct drm_i915_private *i915); bool intel_dp_get_colorimetry_status(struct intel_dp *intel_dp); int intel_dp_link_required(int pixel_clock, int bpp); diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index 4f116cd32846..449499a5c4c1 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -611,6 +611,7 @@ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, enum drm_dp_phy dp_phy) { + struct drm_i915_private *i915 = dp_to_i915(intel_dp); bool source_tps3, sink_tps3, source_tps4, sink_tps4; /* UHBR+ use separate 128b/132b TPS2 */ @@ -618,41 +619,40 @@ static u32 intel_dp_training_pattern(struct intel_dp *intel_dp, return DP_TRAINING_PATTERN_2; /* - * Intel platforms that support HBR3 also support TPS4. It is mandatory - * for all downstream devices that support HBR3. There are no known eDP - * panels that support TPS4 as of Feb 2018 as per VESA eDP_v1.4b_E1 - * specification. + * TPS4 support is mandatory for all downstream devices that + * support HBR3. There are no known eDP panels that support + * TPS4 as of Feb 2018 as per VESA eDP_v1.4b_E1 specification. * LTTPRs must support TPS4. */ - source_tps4 = intel_dp_source_supports_hbr3(intel_dp); + source_tps4 = intel_dp_source_supports_tps4(i915); sink_tps4 = dp_phy != DP_PHY_DPRX || drm_dp_tps4_supported(intel_dp->dpcd); if (source_tps4 && sink_tps4) { return DP_TRAINING_PATTERN_4; } else if (crtc_state->port_clock == 810000) { if (!source_tps4) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, - "8.1 Gbps link rate without source HBR3/TPS4 support\n"); + drm_dbg_kms(&i915->drm, + "8.1 Gbps link rate without source TPS4 support\n"); if (!sink_tps4) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, + drm_dbg_kms(&i915->drm, "8.1 Gbps link rate without sink TPS4 support\n"); } + /* - * Intel platforms that support HBR2 also support TPS3. TPS3 support is - * also mandatory for downstream devices that support HBR2. However, not - * all sinks follow the spec. + * TPS3 support is mandatory for downstream devices that + * support HBR2. However, not all sinks follow the spec. */ - source_tps3 = intel_dp_source_supports_hbr2(intel_dp); + source_tps3 = intel_dp_source_supports_tps3(i915); sink_tps3 = dp_phy != DP_PHY_DPRX || drm_dp_tps3_supported(intel_dp->dpcd); if (source_tps3 && sink_tps3) { return DP_TRAINING_PATTERN_3; } else if (crtc_state->port_clock >= 540000) { if (!source_tps3) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, - ">=5.4/6.48 Gbps link rate without source HBR2/TPS3 support\n"); + drm_dbg_kms(&i915->drm, + ">=5.4/6.48 Gbps link rate without source TPS3 support\n"); if (!sink_tps3) - drm_dbg_kms(&dp_to_i915(intel_dp)->drm, + drm_dbg_kms(&i915->drm, ">=5.4/6.48 Gbps link rate without sink TPS3 support\n"); } diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index 19a96d3c4acf..f489bf9ca096 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -426,7 +426,7 @@ static u32 intel_psr1_get_tp_time(struct intel_dp *intel_dp) val |= EDP_PSR_TP2_TP3_TIME_2500us; check_tp3_sel: - if (intel_dp_source_supports_hbr2(intel_dp) && + if (intel_dp_source_supports_tps3(dev_priv) && drm_dp_tps3_supported(intel_dp->dpcd)) val |= EDP_PSR_TP1_TP3_SEL; else |