drm: omapdrm: Switch crtc and plane set_property to atomic helpers

Allow setting up plane properties atomically using the plane
set_property atomic helper. The properties are now stored in the plane
state (requiring subclassing it) and applied when updating the planes.

The CRTC exposes the properties of its primary plane for legacy reason.
We can't get rid of that API, so simply delegate it to the primary
plane.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

1 files changed, 37 insertions, 8 deletions

diff --git a/drivers/gpu/drm/omapdrm/omap_crtc.c b/drivers/gpu/drm/omapdrm/omap_crtc.c
index 646563e47562..b32a6fb05338 100644
--- a/drivers/gpu/drm/omapdrm/omap_crtc.c
+++ b/drivers/gpu/drm/omapdrm/omap_crtc.c
@@ -540,17 +540,44 @@ static void omap_crtc_atomic_flush(struct drm_crtc *crtc)
 	omap_crtc_flush(crtc);
 
 	dispc_runtime_put();
+
+	crtc->invert_dimensions = !!(crtc->primary->state->rotation &
+				    (BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270)));
 }
 
-static int omap_crtc_set_property(struct drm_crtc *crtc,
-		struct drm_property *property, uint64_t val)
+static int omap_crtc_atomic_set_property(struct drm_crtc *crtc,
+					 struct drm_crtc_state *state,
+					 struct drm_property *property,
+					 uint64_t val)
 {
-	if (property == crtc->dev->mode_config.rotation_property) {
-		crtc->invert_dimensions =
-				!!(val & ((1LL << DRM_ROTATE_90) | (1LL << DRM_ROTATE_270)));
-	}
+	struct drm_plane_state *plane_state;
+	struct drm_plane *plane = crtc->primary;
+
+	/*
+	 * Delegate property set to the primary plane. Get the plane state and
+	 * set the property directly.
+	 */
+
+	plane_state = drm_atomic_get_plane_state(state->state, plane);
+	if (!plane_state)
+		return -EINVAL;
+
+	return drm_atomic_plane_set_property(plane, plane_state, property, val);
+}
 
-	return omap_plane_set_property(crtc->primary, property, val);
+static int omap_crtc_atomic_get_property(struct drm_crtc *crtc,
+					 const struct drm_crtc_state *state,
+					 struct drm_property *property,
+					 uint64_t *val)
+{
+	/*
+	 * Delegate property get to the primary plane. The
+	 * drm_atomic_plane_get_property() function isn't exported, but can be
+	 * called through drm_object_property_get_value() as that will call
+	 * drm_atomic_get_property() for atomic drivers.
+	 */
+	return drm_object_property_get_value(&crtc->primary->base, property,
+					     val);
 }
 
 static const struct drm_crtc_funcs omap_crtc_funcs = {
@@ -558,9 +585,11 @@ static const struct drm_crtc_funcs omap_crtc_funcs = {
 	.set_config = drm_atomic_helper_set_config,
 	.destroy = omap_crtc_destroy,
 	.page_flip = drm_atomic_helper_page_flip,
-	.set_property = omap_crtc_set_property,
+	.set_property = drm_atomic_helper_crtc_set_property,
 	.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
 	.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,
+	.atomic_set_property = omap_crtc_atomic_set_property,
+	.atomic_get_property = omap_crtc_atomic_get_property,
 };
 
 static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {