[Intel-gfx] [PATCH] drm/i915/tgl: Add Wa_1606054188;tgl

[Matt Atwood]

On Tiger Lake we do not support source keying in the pixel formats P010,
P012, P016.

Bspec: 52890
Cc: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood at intel.com>
---
 drivers/gpu/drm/i915/display/intel_sprite.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_sprite.c b/drivers/gpu/drm/i915/display/intel_sprite.c
index fca77ec1e0dd..67176524e60f 100644
--- a/drivers/gpu/drm/i915/display/intel_sprite.c
+++ b/drivers/gpu/drm/i915/display/intel_sprite.c
@@ -2049,6 +2049,19 @@ static int skl_plane_check_fb(const struct intel_crtc_state *crtc_state,
 	unsigned int rotation = plane_state->hw.rotation;
 	struct drm_format_name_buf format_name;
 
+	/* Wa_1606054188;tgl
+	 *
+	 * TODO: Add format RGB64i when implemented
+	 *
+	 */
+	if (IS_GEN(dev_priv, 12) &&
+	    (plane_state->ckey.flags & I915_SET_COLORKEY_SOURCE))
+		if (fb->format->format & (DRM_FORMAT_P010 | DRM_FORMAT_P012
+		    | DRM_FORMAT_P016)) {
+			DRM_DEBUG_KMS("GEN12 does not support source color key planes in formats P01x\n");
+			return -EINVAL;
+		}
+
 	if (!fb)
 		return 0;
 
-- 
2.21.1