Merge drm/drm-next into drm-intel-gt-next

Backmerging to get a common base for merging topic branches between
drm-intel-next and drm-intel-gt-next.

Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>

1 files changed, 12 insertions, 7 deletions

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index a5b072816a7b..33200b5cfad0 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -742,6 +742,8 @@ static void intel_fbc_update_state_cache(struct intel_crtc *crtc,
 		cache->fence_id = plane_state->vma->fence->id;
 	else
 		cache->fence_id = -1;
+
+	cache->psr2_active = crtc_state->has_psr2;
 }
 
 static bool intel_fbc_cfb_size_changed(struct drm_i915_private *dev_priv)
@@ -914,6 +916,16 @@ static bool intel_fbc_can_activate(struct intel_crtc *crtc)
 		return false;
 	}
 
+	/*
+	 * Tigerlake is not supporting FBC with PSR2.
+	 * Recommendation is to keep this combination disabled
+	 * Bspec: 50422 HSD: 14010260002
+	 */
+	if (fbc->state_cache.psr2_active && IS_TIGERLAKE(dev_priv)) {
+		fbc->no_fbc_reason = "not supported with PSR2";
+		return false;
+	}
+
 	return true;
 }
 
@@ -1433,13 +1445,6 @@ static int intel_sanitize_fbc_option(struct drm_i915_private *dev_priv)
 	if (!HAS_FBC(dev_priv))
 		return 0;
 
-	/*
-	 * Fbc is causing random underruns in CI execution on TGL platforms.
-	 * Disabling the same while the problem is being debugged and analyzed.
-	 */
-	if (IS_TIGERLAKE(dev_priv))
-		return 0;
-
 	if (IS_BROADWELL(dev_priv) || INTEL_GEN(dev_priv) >= 9)
 		return 1;