diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic_helper.c')
-rw-r--r-- | drivers/gpu/drm/drm_atomic_helper.c | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 02bf658b7c42..1bc32cd74d78 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -3088,85 +3088,6 @@ fail: EXPORT_SYMBOL(drm_atomic_helper_page_flip_target); /** - * drm_atomic_helper_connector_dpms() - connector dpms helper implementation - * @connector: affected connector - * @mode: DPMS mode - * - * This is the main helper function provided by the atomic helper framework for - * implementing the legacy DPMS connector interface. It computes the new desired - * &drm_crtc_state.active state for the corresponding CRTC (if the connector is - * enabled) and updates it. - * - * Returns: - * Returns 0 on success, negative errno numbers on failure. - */ -int drm_atomic_helper_connector_dpms(struct drm_connector *connector, - int mode) -{ - struct drm_mode_config *config = &connector->dev->mode_config; - struct drm_atomic_state *state; - struct drm_crtc_state *crtc_state; - struct drm_crtc *crtc; - struct drm_connector *tmp_connector; - struct drm_connector_list_iter conn_iter; - int ret; - bool active = false; - int old_mode = connector->dpms; - - if (mode != DRM_MODE_DPMS_ON) - mode = DRM_MODE_DPMS_OFF; - - connector->dpms = mode; - crtc = connector->state->crtc; - - if (!crtc) - return 0; - - state = drm_atomic_state_alloc(connector->dev); - if (!state) - return -ENOMEM; - - state->acquire_ctx = crtc->dev->mode_config.acquire_ctx; -retry: - crtc_state = drm_atomic_get_crtc_state(state, crtc); - if (IS_ERR(crtc_state)) { - ret = PTR_ERR(crtc_state); - goto fail; - } - - WARN_ON(!drm_modeset_is_locked(&config->connection_mutex)); - - drm_connector_list_iter_begin(connector->dev, &conn_iter); - drm_for_each_connector_iter(tmp_connector, &conn_iter) { - if (tmp_connector->state->crtc != crtc) - continue; - - if (tmp_connector->dpms == DRM_MODE_DPMS_ON) { - active = true; - break; - } - } - drm_connector_list_iter_end(&conn_iter); - crtc_state->active = active; - - ret = drm_atomic_commit(state); -fail: - if (ret == -EDEADLK) - goto backoff; - if (ret != 0) - connector->dpms = old_mode; - drm_atomic_state_put(state); - return ret; - -backoff: - drm_atomic_state_clear(state); - drm_atomic_legacy_backoff(state); - - goto retry; -} -EXPORT_SYMBOL(drm_atomic_helper_connector_dpms); - -/** * drm_atomic_helper_best_encoder - Helper for * &drm_connector_helper_funcs.best_encoder callback * @connector: Connector control structure |