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path: root/drivers/gpu/drm/i915/display/intel_psr.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_psr.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_psr.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c
index fa0af5a6816b..682ceae00710 100644
--- a/drivers/gpu/drm/i915/display/intel_psr.c
+++ b/drivers/gpu/drm/i915/display/intel_psr.c
@@ -528,7 +528,7 @@ static void _psr_init_dpcd(struct intel_dp *intel_dp)
intel_dp_get_sink_sync_latency(intel_dp);
if (DISPLAY_VER(i915) >= 9 &&
- intel_dp->psr_dpcd[0] == DP_PSR2_WITH_Y_COORD_IS_SUPPORTED) {
+ 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);
@@ -601,6 +601,18 @@ static void hsw_psr_setup_aux(struct intel_dp *intel_dp)
aux_ctl);
}
+static bool psr2_su_region_et_valid(struct intel_dp *intel_dp)
+{
+ struct drm_i915_private *i915 = dp_to_i915(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;
+
+ return false;
+}
+
static void intel_psr_enable_sink(struct intel_dp *intel_dp)
{
struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
@@ -616,6 +628,8 @@ static void intel_psr_enable_sink(struct intel_dp *intel_dp)
DP_ALPM_LOCK_ERROR_IRQ_HPD_ENABLE);
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;
} else {
if (intel_dp->psr.link_standby)
dpcd_val |= DP_PSR_MAIN_LINK_ACTIVE;
@@ -866,6 +880,9 @@ static void hsw_activate_psr2(struct intel_dp *intel_dp)
intel_de_write(dev_priv, PSR2_MAN_TRK_CTL(cpu_transcoder), 0);
}
+ if (psr2_su_region_et_valid(intel_dp))
+ 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.
@@ -1028,6 +1045,9 @@ static bool intel_psr2_sel_fetch_config_valid(struct intel_dp *intel_dp,
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;
}