diff options
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_psr.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 09f5962a19aa..ebc483f06c6f 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -250,6 +250,10 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) if (INTEL_GEN(dev_priv) >= 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 + * Y-coordinate) can handle Y-coordinates in VSC but we are @@ -261,16 +265,13 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp) * Y-coordinate requirement panels we would need to enable * GTC first. */ - dev_priv->psr.sink_psr2_support = - intel_dp->psr_dpcd[1] & DP_PSR2_SU_Y_COORDINATE_REQUIRED; + dev_priv->psr.sink_psr2_support = y_req && alpm; DRM_DEBUG_KMS("PSR2 %ssupported\n", dev_priv->psr.sink_psr2_support ? "" : "not "); if (dev_priv->psr.sink_psr2_support) { dev_priv->psr.colorimetry_support = intel_dp_get_colorimetry_status(intel_dp); - dev_priv->psr.alpm = - intel_dp_get_alpm_status(intel_dp); dev_priv->psr.sink_sync_latency = intel_dp_get_sink_sync_latency(intel_dp); } @@ -351,13 +352,12 @@ static void hsw_psr_enable_sink(struct intel_dp *intel_dp) u8 dpcd_val = DP_PSR_ENABLE; /* Enable ALPM at sink for psr2 */ - if (dev_priv->psr.psr2_enabled && dev_priv->psr.alpm) - drm_dp_dpcd_writeb(&intel_dp->aux, - DP_RECEIVER_ALPM_CONFIG, - DP_ALPM_ENABLE); - - if (dev_priv->psr.psr2_enabled) + if (dev_priv->psr.psr2_enabled) { + drm_dp_dpcd_writeb(&intel_dp->aux, DP_RECEIVER_ALPM_CONFIG, + DP_ALPM_ENABLE); dpcd_val |= DP_PSR_ENABLE_PSR2; + } + if (dev_priv->psr.link_standby) dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE; drm_dp_dpcd_writeb(&intel_dp->aux, DP_PSR_EN_CFG, dpcd_val); |