drm/omap: Use per-plane rotation property

The global mode_config.rotation_property is going away, switch over to
per-plane rotation_property.

Not sure I got the annoying crtc rotation_property handling right.
Might work, or migth not.

v2: Drop the BIT()
    Don't create rotation property twice for each primary plane

Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Rob Clark <robdclark@gmail.com>
Signed-off-by: NVille Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: NTomi Valkeinen <tomi.valkeinen@ti.com>
[danvet: Add comment per discussion between Tomi&Ville.]
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1474907460-10717-8-git-send-email-ville.syrjala@linux.intel.com

drivers/gpu/drm/omapdrm/omap_crtc.c

@@ -438,13 +438,14 @@ static void omap_crtc_atomic_flush(struct drm_crtc *crtc,
 	}
 }
 
-static bool omap_crtc_is_plane_prop(struct drm_device *dev,
+static bool omap_crtc_is_plane_prop(struct drm_crtc *crtc,
 	struct drm_property *property)
 {
+	struct drm_device *dev = crtc->dev;
 	struct omap_drm_private *priv = dev->dev_private;
 
 	return property == priv->zorder_prop ||
-		property == dev->mode_config.rotation_property;
+		property == crtc->primary->rotation_property;
 }
 
 static int omap_crtc_atomic_set_property(struct drm_crtc *crtc,
@@ -452,9 +453,7 @@ static int omap_crtc_atomic_set_property(struct drm_crtc *crtc,
 					 struct drm_property *property,
 					 uint64_t val)
 {
-	struct drm_device *dev = crtc->dev;
-
-	if (omap_crtc_is_plane_prop(dev, property)) {
+	if (omap_crtc_is_plane_prop(crtc, property)) {
 		struct drm_plane_state *plane_state;
 		struct drm_plane *plane = crtc->primary;
 
@@ -479,9 +478,7 @@ static int omap_crtc_atomic_get_property(struct drm_crtc *crtc,
 					 struct drm_property *property,
 					 uint64_t *val)
 {
-	struct drm_device *dev = crtc->dev;
-
-	if (omap_crtc_is_plane_prop(dev, property)) {
+	if (omap_crtc_is_plane_prop(crtc, property)) {
 		/*
 		 * Delegate property get to the primary plane. The
 		 * drm_atomic_plane_get_property() function isn't exported, but

drivers/gpu/drm/omapdrm/omap_drv.c

@@ -293,16 +293,6 @@ static int omap_modeset_init_properties(struct drm_device *dev)
 {
 	struct omap_drm_private *priv = dev->dev_private;
 
-	if (priv->has_dmm) {
-		dev->mode_config.rotation_property =
-			drm_mode_create_rotation_property(dev,
-				DRM_ROTATE_0 | DRM_ROTATE_90 |
-				DRM_ROTATE_180 | DRM_ROTATE_270 |
-				DRM_REFLECT_X | DRM_REFLECT_Y);
-		if (!dev->mode_config.rotation_property)
-			return -ENOMEM;
-	}
-
 	priv->zorder_prop = drm_property_create_range(dev, 0, "zorder", 0, 3);
 	if (!priv->zorder_prop)
 		return -ENOMEM;
@@ -753,24 +743,32 @@ static void dev_lastclose(struct drm_device *dev)
 
 	DBG("lastclose: dev=%p", dev);
 
-	if (dev->mode_config.rotation_property) {
-		/* need to restore default rotation state.. not sure
-		 * if there is a cleaner way to restore properties to
-		 * default state?  Maybe a flag that properties should
-		 * automatically be restored to default state on
-		 * lastclose?
-		 */
-		for (i = 0; i < priv->num_crtcs; i++) {
-			drm_object_property_set_value(&priv->crtcs[i]->base,
-					dev->mode_config.rotation_property,
-					DRM_ROTATE_0);
-		}
+	/* need to restore default rotation state.. not sure
+	 * if there is a cleaner way to restore properties to
+	 * default state?  Maybe a flag that properties should
+	 * automatically be restored to default state on
+	 * lastclose?
+	 */
+	for (i = 0; i < priv->num_crtcs; i++) {
+		struct drm_crtc *crtc = priv->crtcs[i];
 
-		for (i = 0; i < priv->num_planes; i++) {
-			drm_object_property_set_value(&priv->planes[i]->base,
-					dev->mode_config.rotation_property,
-					DRM_ROTATE_0);
-		}
+		if (!crtc->primary->rotation_property)
+			continue;
+
+		drm_object_property_set_value(&crtc->base,
+					      crtc->primary->rotation_property,
+					      DRM_ROTATE_0);
+	}
+
+	for (i = 0; i < priv->num_planes; i++) {
+		struct drm_plane *plane = priv->planes[i];
+
+		if (!plane->rotation_property)
+			continue;
+
+		drm_object_property_set_value(&plane->base,
+					      plane->rotation_property,
+					      DRM_ROTATE_0);
 	}
 
 	if (priv->fbdev) {

drivers/gpu/drm/omapdrm/omap_plane.c

@@ -211,9 +211,17 @@ void omap_plane_install_properties(struct drm_plane *plane,
 	struct omap_drm_private *priv = dev->dev_private;
 
 	if (priv->has_dmm) {
-		struct drm_property *prop = dev->mode_config.rotation_property;
-
-		drm_object_attach_property(obj, prop, DRM_ROTATE_0);
+		if (!plane->rotation_property)
+			drm_plane_create_rotation_property(plane,
+							   DRM_ROTATE_0,
+							   DRM_ROTATE_0 | DRM_ROTATE_90 |
+							   DRM_ROTATE_180 | DRM_ROTATE_270 |
+							   DRM_REFLECT_X | DRM_REFLECT_Y);
+
+		/* Attach the rotation property also to the crtc object */
+		if (plane->rotation_property && obj != &plane->base)
+			drm_object_attach_property(obj, plane->rotation_property,
+						   DRM_ROTATE_0);
 	}
 
 	drm_object_attach_property(obj, priv->zorder_prop, 0);