[Intel-gfx] [PATCH 2/2] drm/i915: Add Wa_14016291713

[Matt Roper]

We already disable FBC when PSR2 is enabled on display version 12 and
above; this new workaround now requires that we do the same with PSR1 on
display versions 12 and 13.

Signed-off-by: Matt Roper <matthew.d.roper at intel.com>
---
 drivers/gpu/drm/i915/display/intel_fbc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 16537830ccf0..7436b35f7ea0 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -1098,6 +1098,12 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state,
 		return 0;
 	}
 
+	/* Wa_14016291713 */
+	if (IS_DISPLAY_VER(i915, 12, 13) && crtc_state->has_psr) {
+		plane_state->no_fbc_reason = "PSR1 enabled (Wa_14016291713)";
+		return 0;
+	}
+
 	if (!pixel_format_is_valid(plane_state)) {
 		plane_state->no_fbc_reason = "pixel format not supported";
 		return 0;
-- 
2.36.1