drm/i915/fbc: Don't use a fence for a plane if FBC is not possible

No point in wasting a fence on a plane if it can't do FBC anyway.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240123090051.29818-1-ville.syrjala@linux.intel.comReviewed-by: Vinod Govindapillai <vinod.govindapillai@intel.com>

drivers/gpu/drm/i915/display/intel_display.c

@@ -535,7 +535,7 @@ bool intel_plane_uses_fence(const struct intel_plane_state *plane_state)
 	struct drm_i915_private *dev_priv = to_i915(plane->base.dev);
 
 	return DISPLAY_VER(dev_priv) < 4 ||
-		(plane->fbc &&
+		(plane->fbc && !plane_state->no_fbc_reason &&
 		 plane_state->view.gtt.type == I915_GTT_VIEW_NORMAL);
 }