1 files changed, 40 insertions, 51 deletions

diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c
index 43d0350856e7..df0fbb4b15a3 100644
--- a/drivers/gpu/drm/i915/intel_sprite.c
+++ b/drivers/gpu/drm/i915/intel_sprite.c
@@ -1042,10 +1042,10 @@ static uint32_t skl_plane_formats[] = {
 	DRM_FORMAT_VYUY,
 };
 
-int
-intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
+struct intel_plane *
+intel_sprite_plane_create(struct drm_i915_private *dev_priv,
+			  enum pipe pipe, int plane)
 {
-	struct drm_i915_private *dev_priv = to_i915(dev);
 	struct intel_plane *intel_plane = NULL;
 	struct intel_plane_state *state = NULL;
 	unsigned long possible_crtcs;
@@ -1054,9 +1054,6 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 	int num_plane_formats;
 	int ret;
 
-	if (INTEL_INFO(dev)->gen < 5)
-		return -ENODEV;
-
 	intel_plane = kzalloc(sizeof(*intel_plane), GFP_KERNEL);
 	if (!intel_plane) {
 		ret = -ENOMEM;
@@ -1070,25 +1067,25 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 	}
 	intel_plane->base.state = &state->base;
 
-	switch (INTEL_INFO(dev)->gen) {
-	case 5:
-	case 6:
+	if (INTEL_GEN(dev_priv) >= 9) {
 		intel_plane->can_scale = true;
-		intel_plane->max_downscale = 16;
-		intel_plane->update_plane = ilk_update_plane;
-		intel_plane->disable_plane = ilk_disable_plane;
+		state->scaler_id = -1;
 
-		if (IS_GEN6(dev_priv)) {
-			plane_formats = snb_plane_formats;
-			num_plane_formats = ARRAY_SIZE(snb_plane_formats);
-		} else {
-			plane_formats = ilk_plane_formats;
-			num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
-		}
-		break;
+		intel_plane->update_plane = skl_update_plane;
+		intel_plane->disable_plane = skl_disable_plane;
 
-	case 7:
-	case 8:
+		plane_formats = skl_plane_formats;
+		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
+	} else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
+		intel_plane->can_scale = false;
+		intel_plane->max_downscale = 1;
+
+		intel_plane->update_plane = vlv_update_plane;
+		intel_plane->disable_plane = vlv_disable_plane;
+
+		plane_formats = vlv_plane_formats;
+		num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
+	} else if (INTEL_GEN(dev_priv) >= 7) {
 		if (IS_IVYBRIDGE(dev_priv)) {
 			intel_plane->can_scale = true;
 			intel_plane->max_downscale = 2;
@@ -1097,33 +1094,25 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 			intel_plane->max_downscale = 1;
 		}
 
-		if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) {
-			intel_plane->update_plane = vlv_update_plane;
-			intel_plane->disable_plane = vlv_disable_plane;
+		intel_plane->update_plane = ivb_update_plane;
+		intel_plane->disable_plane = ivb_disable_plane;
 
-			plane_formats = vlv_plane_formats;
-			num_plane_formats = ARRAY_SIZE(vlv_plane_formats);
-		} else {
-			intel_plane->update_plane = ivb_update_plane;
-			intel_plane->disable_plane = ivb_disable_plane;
+		plane_formats = snb_plane_formats;
+		num_plane_formats = ARRAY_SIZE(snb_plane_formats);
+	} else {
+		intel_plane->can_scale = true;
+		intel_plane->max_downscale = 16;
+
+		intel_plane->update_plane = ilk_update_plane;
+		intel_plane->disable_plane = ilk_disable_plane;
 
+		if (IS_GEN6(dev_priv)) {
 			plane_formats = snb_plane_formats;
 			num_plane_formats = ARRAY_SIZE(snb_plane_formats);
+		} else {
+			plane_formats = ilk_plane_formats;
+			num_plane_formats = ARRAY_SIZE(ilk_plane_formats);
 		}
-		break;
-	case 9:
-		intel_plane->can_scale = true;
-		intel_plane->update_plane = skl_update_plane;
-		intel_plane->disable_plane = skl_disable_plane;
-		state->scaler_id = -1;
-
-		plane_formats = skl_plane_formats;
-		num_plane_formats = ARRAY_SIZE(skl_plane_formats);
-		break;
-	default:
-		MISSING_CASE(INTEL_INFO(dev)->gen);
-		ret = -ENODEV;
-		goto fail;
 	}
 
 	if (INTEL_GEN(dev_priv) >= 9) {
@@ -1142,15 +1131,15 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 
 	possible_crtcs = (1 << pipe);
 
-	if (INTEL_INFO(dev)->gen >= 9)
-		ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
-					       &intel_plane_funcs,
+	if (INTEL_GEN(dev_priv) >= 9)
+		ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,
+					       possible_crtcs, &intel_plane_funcs,
 					       plane_formats, num_plane_formats,
 					       DRM_PLANE_TYPE_OVERLAY,
 					       "plane %d%c", plane + 2, pipe_name(pipe));
 	else
-		ret = drm_universal_plane_init(dev, &intel_plane->base, possible_crtcs,
-					       &intel_plane_funcs,
+		ret = drm_universal_plane_init(&dev_priv->drm, &intel_plane->base,
+					       possible_crtcs, &intel_plane_funcs,
 					       plane_formats, num_plane_formats,
 					       DRM_PLANE_TYPE_OVERLAY,
 					       "sprite %c", sprite_name(pipe, plane));
@@ -1163,11 +1152,11 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 
 	drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);
 
-	return 0;
+	return intel_plane;
 
 fail:
 	kfree(state);
 	kfree(intel_plane);
 
-	return ret;
+	return ERR_PTR(ret);
 }