Merge branch 'for-4.12/asus' into for-linus

1 files changed, 32 insertions, 19 deletions

diff --git a/drivers/gpu/drm/i915/intel_atomic_plane.c b/drivers/gpu/drm/i915/intel_atomic_plane.c
index 8d3e515f27ba..41fd94e62d3c 100644
--- a/drivers/gpu/drm/i915/intel_atomic_plane.c
+++ b/drivers/gpu/drm/i915/intel_atomic_plane.c
@@ -123,36 +123,24 @@ intel_plane_destroy_state(struct drm_plane *plane,
 	drm_atomic_helper_plane_destroy_state(plane, state);
 }
 
-static int intel_plane_atomic_check(struct drm_plane *plane,
-				    struct drm_plane_state *state)
+int intel_plane_atomic_check_with_state(struct intel_crtc_state *crtc_state,
+					struct intel_plane_state *intel_state)
 {
+	struct drm_plane *plane = intel_state->base.plane;
 	struct drm_i915_private *dev_priv = to_i915(plane->dev);
-	struct drm_crtc *crtc = state->crtc;
-	struct intel_crtc *intel_crtc;
-	struct intel_crtc_state *crtc_state;
+	struct drm_plane_state *state = &intel_state->base;
 	struct intel_plane *intel_plane = to_intel_plane(plane);
-	struct intel_plane_state *intel_state = to_intel_plane_state(state);
-	struct drm_crtc_state *drm_crtc_state;
 	int ret;
 
-	crtc = crtc ? crtc : plane->state->crtc;
-	intel_crtc = to_intel_crtc(crtc);
-
 	/*
 	 * Both crtc and plane->crtc could be NULL if we're updating a
 	 * property while the plane is disabled.  We don't actually have
 	 * anything driver-specific we need to test in that case, so
 	 * just return success.
 	 */
-	if (!crtc)
+	if (!intel_state->base.crtc && !plane->state->crtc)
 		return 0;
 
-	drm_crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
-	if (WARN_ON(!drm_crtc_state))
-		return -EINVAL;
-
-	crtc_state = to_intel_crtc_state(drm_crtc_state);
-
 	/* Clip all planes to CRTC size, or 0x0 if CRTC is disabled */
 	intel_state->clip.x1 = 0;
 	intel_state->clip.y1 = 0;
@@ -175,11 +163,11 @@ static int intel_plane_atomic_check(struct drm_plane *plane,
 		 * RGB 16-bit 5:6:5, and Indexed 8-bit.
 		 * TBD: Add RGB64 case once its added in supported format list.
 		 */
-		switch (state->fb->pixel_format) {
+		switch (state->fb->format->format) {
 		case DRM_FORMAT_C8:
 		case DRM_FORMAT_RGB565:
 			DRM_DEBUG_KMS("Unsupported pixel format %s for 90/270!\n",
-			              drm_get_format_name(state->fb->pixel_format,
+			              drm_get_format_name(state->fb->format->format,
 			                                  &format_name));
 			return -EINVAL;
 
@@ -204,6 +192,31 @@ static int intel_plane_atomic_check(struct drm_plane *plane,
 	return intel_plane_atomic_calc_changes(&crtc_state->base, state);
 }
 
+static int intel_plane_atomic_check(struct drm_plane *plane,
+				    struct drm_plane_state *state)
+{
+	struct drm_crtc *crtc = state->crtc;
+	struct drm_crtc_state *drm_crtc_state;
+
+	crtc = crtc ? crtc : plane->state->crtc;
+
+	/*
+	 * Both crtc and plane->crtc could be NULL if we're updating a
+	 * property while the plane is disabled.  We don't actually have
+	 * anything driver-specific we need to test in that case, so
+	 * just return success.
+	 */
+	if (!crtc)
+		return 0;
+
+	drm_crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+	if (WARN_ON(!drm_crtc_state))
+		return -EINVAL;
+
+	return intel_plane_atomic_check_with_state(to_intel_crtc_state(drm_crtc_state),
+						   to_intel_plane_state(state));
+}
+
 static void intel_plane_atomic_update(struct drm_plane *plane,
 				      struct drm_plane_state *old_state)
 {