EXPORT_SYMBOL(drm_atomic_helper_connector_tv_reset);
/**
+ * @drm_atomic_helper_connector_tv_check: Validate an analog TV connector state
+ * @connector: DRM Connector
+ * @state: the DRM State object
+ *
+ * Checks the state object to see if the requested state is valid for an
+ * analog TV connector.
+ *
+ * Returns:
+ * Zero for success, a negative error code on error.
+ */
+int drm_atomic_helper_connector_tv_check(struct drm_connector *connector,
+ struct drm_atomic_state *state)
+{
+ struct drm_connector_state *old_conn_state =
+ drm_atomic_get_old_connector_state(state, connector);
+ struct drm_connector_state *new_conn_state =
+ drm_atomic_get_new_connector_state(state, connector);
+ struct drm_crtc_state *crtc_state;
+ struct drm_crtc *crtc;
+
+ crtc = new_conn_state->crtc;
+ if (!crtc)
+ return 0;
+
+ crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
+ if (!crtc_state)
+ return -EINVAL;
+
+ if (old_conn_state->tv.mode != new_conn_state->tv.mode)
+ crtc_state->mode_changed = true;
+
+ if (old_conn_state->tv.margins.left != new_conn_state->tv.margins.left ||
+ old_conn_state->tv.margins.right != new_conn_state->tv.margins.right ||
+ old_conn_state->tv.margins.top != new_conn_state->tv.margins.top ||
+ old_conn_state->tv.margins.bottom != new_conn_state->tv.margins.bottom ||
+ old_conn_state->tv.mode != new_conn_state->tv.mode ||
+ old_conn_state->tv.brightness != new_conn_state->tv.brightness ||
+ old_conn_state->tv.contrast != new_conn_state->tv.contrast ||
+ old_conn_state->tv.flicker_reduction != new_conn_state->tv.flicker_reduction ||
+ old_conn_state->tv.overscan != new_conn_state->tv.overscan ||
+ old_conn_state->tv.saturation != new_conn_state->tv.saturation ||
+ old_conn_state->tv.hue != new_conn_state->tv.hue)
+ crtc_state->connectors_changed = true;
+
+ return 0;
+}
+EXPORT_SYMBOL(drm_atomic_helper_connector_tv_check);
+
+/**
* __drm_atomic_helper_connector_duplicate_state - copy atomic connector state
* @connector: connector object
* @state: atomic connector state
#include <linux/types.h>
+struct drm_atomic_state;
struct drm_bridge;
struct drm_bridge_state;
struct drm_crtc;
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);
+int drm_atomic_helper_connector_tv_check(struct drm_connector *connector,
+ struct drm_atomic_state *state);
void drm_atomic_helper_connector_tv_margins_reset(struct drm_connector *connector);
void
__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,