[Intel-gfx] [PATCH 19/20] drm/i915/fbc: No FBC+double wide pipe

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

FBC and double wide pipe are mutually exclusive. Disable FBC when
we have to resort to double wide.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_fbc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 4d2c54acdc89..072509b04de5 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -1056,6 +1056,11 @@ static int intel_fbc_check_plane(struct intel_atomic_state *state,
 		return 0;
 	}
 
+	if (crtc_state->double_wide) {
+		plane_state->no_fbc_reason = "double wide pipe not supported";
+		return 0;
+	}
+
 	/*
 	 * Display 12+ is not supporting FBC with PSR2.
 	 * Recommendation is to keep this combination disabled
-- 
2.32.0