@@ -376,6 +376,24 @@ void drm_atomic_helper_connector_reset(struct drm_connector *connector)
EXPORT_SYMBOL(drm_atomic_helper_connector_reset);
/**
+ * drm_atomic_helper_connector_tv_reset - Resets TV connector properties
+ * @connector: DRM connector
+ *
+ * Resets the TV-related properties attached to a connector.
+ */
+void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector)
+{
+ struct drm_cmdline_mode *cmdline = &connector->cmdline_mode;
+ struct drm_connector_state *state = connector->state;
+
+ state->tv.margins.left = cmdline->tv_margins.left;
+ state->tv.margins.right = cmdline->tv_margins.right;
+ state->tv.margins.top = cmdline->tv_margins.top;
+ state->tv.margins.bottom = cmdline->tv_margins.bottom;
+}
+EXPORT_SYMBOL(drm_atomic_helper_connector_tv_reset);
+
+/**
* __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
* @connector: connector object
* @state: atomic connector state
@@ -62,6 +62,7 @@ void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
struct drm_connector_state *conn_state);
void drm_atomic_helper_connector_reset(struct drm_connector *connector);
+void drm_atomic_helper_connector_tv_reset(struct drm_connector *connector);
void
__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
struct drm_connector_state *state);
During the connector reset, if that connector has a TV property, it needs to be reset to the value provided on the command line. Provide a helper to do that. Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> --- drivers/gpu/drm/drm_atomic_state_helper.c | 18 ++++++++++++++++++ include/drm/drm_atomic_state_helper.h | 1 + 2 files changed, 19 insertions(+)