drm/i915: Use the per-plane rotation property

On certain platforms not all planes support the same set of
rotations/reflections, so let's use the per-plane property
for this.

This is already a problem on SKL when we use the legay cursor plane
as it only supports 0|180 whereas the universal planes support
0|90|180|270, and it will be a problem on CHV soon.

v2: Use drm_plane_create_rotation_property() helper
v3: Drop the BIT(), use INTEL_GEN()
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> (v1)
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1474907460-10717-12-git-send-email-ville.syrjala@linux.intel.com

drivers/gpu/drm/i915/intel_display.c

@@ -14886,6 +14886,7 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
 	struct intel_plane *primary = NULL;
 	struct intel_plane_state *state = NULL;
 	const uint32_t *intel_primary_formats;
+	unsigned int supported_rotations;
 	unsigned int num_formats;
 	int ret;
 
@@ -14958,8 +14959,21 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
 	if (ret)
 		goto fail;
 
-	if (INTEL_INFO(dev)->gen >= 4)
-		intel_create_rotation_property(dev, primary);
+	if (INTEL_GEN(dev) >= 9) {
+		supported_rotations =
+			DRM_ROTATE_0 | DRM_ROTATE_90 |
+			DRM_ROTATE_180 | DRM_ROTATE_270;
+	} else if (INTEL_GEN(dev) >= 4) {
+		supported_rotations =
+			DRM_ROTATE_0 | DRM_ROTATE_180;
+	} else {
+		supported_rotations = DRM_ROTATE_0;
+	}
+
+	if (INTEL_GEN(dev) >= 4)
+		drm_plane_create_rotation_property(&primary->base,
+						   DRM_ROTATE_0,
+						   supported_rotations);
 
 	drm_plane_helper_add(&primary->base, &intel_plane_helper_funcs);
 
@@ -14972,24 +14986,6 @@ static struct drm_plane *intel_primary_plane_create(struct drm_device *dev,
 	return NULL;
 }
 
-void intel_create_rotation_property(struct drm_device *dev, struct intel_plane *plane)
-{
-	if (!dev->mode_config.rotation_property) {
-		unsigned long flags = DRM_ROTATE_0 |
-			DRM_ROTATE_180;
-
-		if (INTEL_INFO(dev)->gen >= 9)
-			flags |= DRM_ROTATE_90 | DRM_ROTATE_270;
-
-		dev->mode_config.rotation_property =
-			drm_mode_create_rotation_property(dev, flags);
-	}
-	if (dev->mode_config.rotation_property)
-		drm_object_attach_property(&plane->base.base,
-				dev->mode_config.rotation_property,
-				plane->base.state->rotation);
-}
-
 static int
 intel_check_cursor_plane(struct drm_plane *plane,
 			 struct intel_crtc_state *crtc_state,
@@ -15116,17 +15112,11 @@ static struct drm_plane *intel_cursor_plane_create(struct drm_device *dev,
 	if (ret)
 		goto fail;
 
-	if (INTEL_INFO(dev)->gen >= 4) {
-		if (!dev->mode_config.rotation_property)
-			dev->mode_config.rotation_property =
-				drm_mode_create_rotation_property(dev,
-							DRM_ROTATE_0 |
-							DRM_ROTATE_180);
-		if (dev->mode_config.rotation_property)
-			drm_object_attach_property(&cursor->base.base,
-				dev->mode_config.rotation_property,
-				state->base.rotation);
-	}
+	if (INTEL_GEN(dev) >= 4)
+		drm_plane_create_rotation_property(&cursor->base,
+						   DRM_ROTATE_0,
+						   DRM_ROTATE_0 |
+						   DRM_ROTATE_180);
 
 	if (INTEL_INFO(dev)->gen >=9)
 		state->scaler_id = -1;

drivers/gpu/drm/i915/intel_drv.h

@@ -1284,9 +1284,6 @@ int intel_plane_atomic_calc_changes(struct drm_crtc_state *crtc_state,
 unsigned int intel_tile_height(const struct drm_i915_private *dev_priv,
 			       uint64_t fb_modifier, unsigned int cpp);
 
-void intel_create_rotation_property(struct drm_device *dev,
-					struct intel_plane *plane);
-
 void assert_pch_transcoder_disabled(struct drm_i915_private *dev_priv,
 				    enum pipe pipe);
 

drivers/gpu/drm/i915/intel_sprite.c

@@ -1044,6 +1044,7 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 	struct intel_plane_state *state = NULL;
 	unsigned long possible_crtcs;
 	const uint32_t *plane_formats;
+	unsigned int supported_rotations;
 	int num_plane_formats;
 	int ret;
 
@@ -1119,6 +1120,15 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 		goto fail;
 	}
 
+	if (INTEL_GEN(dev) >= 9) {
+		supported_rotations =
+			DRM_ROTATE_0 | DRM_ROTATE_90 |
+			DRM_ROTATE_180 | DRM_ROTATE_270;
+	} else {
+		supported_rotations =
+			DRM_ROTATE_0 | DRM_ROTATE_180;
+	}
+
 	intel_plane->pipe = pipe;
 	intel_plane->plane = plane;
 	intel_plane->frontbuffer_bit = INTEL_FRONTBUFFER_SPRITE(pipe, plane);
@@ -1141,7 +1151,9 @@ intel_plane_init(struct drm_device *dev, enum pipe pipe, int plane)
 	if (ret)
 		goto fail;
 
-	intel_create_rotation_property(dev, intel_plane);
+	drm_plane_create_rotation_property(&intel_plane->base,
+					   DRM_ROTATE_0,
+					   supported_rotations);
 
 	drm_plane_helper_add(&intel_plane->base, &intel_plane_helper_funcs);