From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Track DP enhanced framing properly in the crtc state instead
of relying just on the cached DPCD everywhere, and hook it
up into the state check and dump.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/display/g4x_dp.c | 10 ++++++++--
drivers/gpu/drm/i915/display/intel_crt.c | 2 ++
drivers/gpu/drm/i915/display/intel_crtc_state_dump.c | 5 +++--
drivers/gpu/drm/i915/display/intel_ddi.c | 11 +++++++++--
drivers/gpu/drm/i915/display/intel_display.c | 1 +
drivers/gpu/drm/i915/display/intel_display_types.h | 2 ++
drivers/gpu/drm/i915/display/intel_dp_link_training.c | 2 +-
7 files changed, 26 insertions(+), 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c
index 920d570f7594..534546ea7d0b 100644
--- a/drivers/gpu/drm/i915/display/g4x_dp.c
+++ b/drivers/gpu/drm/i915/display/g4x_dp.c
@@ -141,7 +141,7 @@ static void intel_dp_prepare(struct intel_encoder *encoder,
intel_de_rmw(dev_priv, TRANS_DP_CTL(crtc->pipe),
TRANS_DP_ENH_FRAMING,
- drm_dp_enhanced_frame_cap(intel_dp->dpcd) ?
+ pipe_config->enhanced_framing ?
TRANS_DP_ENH_FRAMING : 0);
} else {
if (IS_G4X(dev_priv) && pipe_config->limited_color_range)
@@ -153,7 +153,7 @@ static void intel_dp_prepare(struct intel_encoder *encoder,
intel_dp->DP |= DP_SYNC_VS_HIGH;
intel_dp->DP |= DP_LINK_TRAIN_OFF;
- if (drm_dp_enhanced_frame_cap(intel_dp->dpcd))
+ if (pipe_config->enhanced_framing)
intel_dp->DP |= DP_ENHANCED_FRAMING;
if (IS_CHERRYVIEW(dev_priv))
@@ -351,6 +351,9 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
u32 trans_dp = intel_de_read(dev_priv,
TRANS_DP_CTL(crtc->pipe));
+ if (trans_dp & TRANS_DP_ENH_FRAMING)
+ pipe_config->enhanced_framing = true;
+
if (trans_dp & TRANS_DP_HSYNC_ACTIVE_HIGH)
flags |= DRM_MODE_FLAG_PHSYNC;
else
@@ -361,6 +364,9 @@ static void intel_dp_get_config(struct intel_encoder *encoder,
else
flags |= DRM_MODE_FLAG_NVSYNC;
} else {
+ if (tmp & DP_ENHANCED_FRAMING)
+ pipe_config->enhanced_framing = true;
+
if (tmp & DP_SYNC_HS_HIGH)
flags |= DRM_MODE_FLAG_PHSYNC;
else
diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c
index 13519f78cf9f..52af64aa9953 100644
--- a/drivers/gpu/drm/i915/display/intel_crt.c
+++ b/drivers/gpu/drm/i915/display/intel_crt.c
@@ -449,6 +449,8 @@ static int hsw_crt_compute_config(struct intel_encoder *encoder,
/* FDI must always be 2.7 GHz */
pipe_config->port_clock = 135000 * 2;
+ pipe_config->enhanced_framing = true;
+
adjusted_mode->crtc_clock = lpt_iclkip(pipe_config);
return 0;
diff --git a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
index 91242ffe0768..14db2b481ff1 100644
--- a/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
+++ b/drivers/gpu/drm/i915/display/intel_crtc_state_dump.c
@@ -257,8 +257,9 @@ void intel_crtc_state_dump(const struct intel_crtc_state *pipe_config,
intel_dump_m_n_config(pipe_config, "dp m2_n2",
pipe_config->lane_count,
&pipe_config->dp_m2_n2);
- drm_dbg_kms(&i915->drm, "fec: %s\n",
- str_enabled_disabled(pipe_config->fec_enable));
+ drm_dbg_kms(&i915->drm, "fec: %s, enhanced framing: %s\n",
+ str_enabled_disabled(pipe_config->fec_enable),
+ str_enabled_disabled(pipe_config->enhanced_framing));
}
drm_dbg_kms(&i915->drm, "framestart delay: %d, MSA timing delay: %d\n",
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 4246133950fd..51ae1aad7cc7 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -3434,7 +3434,7 @@ static void mtl_ddi_prepare_link_retrain(struct intel_dp *intel_dp,
dp_tp_ctl |= DP_TP_CTL_MODE_MST;
} else {
dp_tp_ctl |= DP_TP_CTL_MODE_SST;
- if (drm_dp_enhanced_frame_cap(intel_dp->dpcd))
+ if (crtc_state->enhanced_framing)
dp_tp_ctl |= DP_TP_CTL_ENHANCED_FRAME_ENABLE;
}
intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), dp_tp_ctl);
@@ -3491,7 +3491,7 @@ static void intel_ddi_prepare_link_retrain(struct intel_dp *intel_dp,
dp_tp_ctl |= DP_TP_CTL_MODE_MST;
} else {
dp_tp_ctl |= DP_TP_CTL_MODE_SST;
- if (drm_dp_enhanced_frame_cap(intel_dp->dpcd))
+ if (crtc_state->enhanced_framing)
dp_tp_ctl |= DP_TP_CTL_ENHANCED_FRAME_ENABLE;
}
intel_de_write(dev_priv, dp_tp_ctl_reg(encoder, crtc_state), dp_tp_ctl);
@@ -3725,6 +3725,10 @@ static void intel_ddi_read_func_ctl(struct intel_encoder *encoder,
intel_cpu_transcoder_get_m2_n2(crtc, cpu_transcoder,
&pipe_config->dp_m2_n2);
+ pipe_config->enhanced_framing =
+ intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, pipe_config)) &
+ DP_TP_CTL_ENHANCED_FRAME_ENABLE;
+
if (DISPLAY_VER(dev_priv) >= 11)
pipe_config->fec_enable =
intel_de_read(dev_priv,
@@ -3741,6 +3745,9 @@ static void intel_ddi_read_func_ctl(struct intel_encoder *encoder,
if (!HAS_DP20(dev_priv)) {
/* FDI */
pipe_config->output_types |= BIT(INTEL_OUTPUT_ANALOG);
+ pipe_config->enhanced_framing =
+ intel_de_read(dev_priv, dp_tp_ctl_reg(encoder, pipe_config)) &
+ DP_TP_CTL_ENHANCED_FRAME_ENABLE;
break;
}
fallthrough; /* 128b/132b */
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 3d3483e6f836..b95eb031abf2 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -5226,6 +5226,7 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
PIPE_CONF_CHECK_BOOL(hdmi_scrambling);
PIPE_CONF_CHECK_BOOL(hdmi_high_tmds_clock_ratio);
PIPE_CONF_CHECK_BOOL(has_infoframe);
+ PIPE_CONF_CHECK_BOOL(enhanced_framing);
PIPE_CONF_CHECK_BOOL(fec_enable);
PIPE_CONF_CHECK_BOOL_INCOMPLETE(has_audio);
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h b/drivers/gpu/drm/i915/display/intel_display_types.h
index 96a3183675be..9ea96eb19ddd 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1338,6 +1338,8 @@ struct intel_crtc_state {
u16 linetime;
u16 ips_linetime;
+ bool enhanced_framing;
+
/* Forward Error correction State */
bool fec_enable;
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 e92c62bcc9b8..47a212a84fec 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -659,7 +659,7 @@ intel_dp_update_link_bw_set(struct intel_dp *intel_dp,
/* Write the link configuration data */
link_config[0] = link_bw;
link_config[1] = crtc_state->lane_count;
- if (drm_dp_enhanced_frame_cap(intel_dp->dpcd))
+ if (crtc_state->enhanced_framing)
link_config[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN;
drm_dp_dpcd_write(&intel_dp->aux, DP_LINK_BW_SET, link_config, 2);
--
2.39.2
