[Intel-gfx] [PATCH 7/7] drm/i915/gen11: Expose planar format support on gen11.

[Maarten Lankhorst]

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index cea91235d498..1a069b90bbc2 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13739,12 +13739,14 @@ static bool skl_plane_has_fbc(struct drm_i915_private *dev_priv,
 bool skl_plane_has_planar(struct drm_i915_private *dev_priv,
 			  enum pipe pipe, enum plane_id plane_id)
 {
-	/*
-	 * FIXME: ICL requires two hardware planes for scanning out NV12
-	 * framebuffers. Do not advertize support until this is implemented.
-	 */
-	if (INTEL_GEN(dev_priv) >= 11)
-		return false;
+	if (INTEL_GEN(dev_priv) >= 11) {
+		/*
+		 * Sprite 4 and 5 are used for scanning out the planar Y plane,
+		 * but it's the UV plane that counts for the Z-order, so don't
+		 * advertise planar YUV support on it.
+		 */
+		return plane_id <= PLANE_SPRITE3;
+	}
 
 	if (IS_SKYLAKE(dev_priv) || IS_BROXTON(dev_priv))
 		return false;
@@ -14654,7 +14656,7 @@ static int intel_framebuffer_init(struct intel_framebuffer *intel_fb,
 		break;
 	case DRM_FORMAT_NV12:
 		if (INTEL_GEN(dev_priv) < 9 || IS_SKYLAKE(dev_priv) ||
-		    IS_BROXTON(dev_priv) || INTEL_GEN(dev_priv) >= 11) {
+		    IS_BROXTON(dev_priv)) {
 			DRM_DEBUG_KMS("unsupported pixel format: %s\n",
 				      drm_get_format_name(mode_cmd->pixel_format,
 							  &format_name));
-- 
2.18.0