diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 60 |
1 files changed, 56 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 01192dd3ed79..0fd14aff7add 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -1864,9 +1864,60 @@ static struct drm_pending_vblank_event *create_vblank_event( return e; } -static int atomic_set_prop(struct drm_atomic_state *state, - struct drm_mode_object *obj, struct drm_property *prop, - uint64_t prop_value) +int drm_atomic_connector_commit_dpms(struct drm_atomic_state *state, + struct drm_connector *connector, + int mode) +{ + struct drm_connector *tmp_connector; + struct drm_connector_state *new_conn_state; + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + int i, ret, old_mode = connector->dpms; + bool active = false; + + ret = drm_modeset_lock(&state->dev->mode_config.connection_mutex, + state->acquire_ctx); + if (ret) + return ret; + + if (mode != DRM_MODE_DPMS_ON) + mode = DRM_MODE_DPMS_OFF; + connector->dpms = mode; + + crtc = connector->state->crtc; + if (!crtc) + goto out; + ret = drm_atomic_add_affected_connectors(state, crtc); + if (ret) + goto out; + + crtc_state = drm_atomic_get_crtc_state(state, crtc); + if (IS_ERR(crtc_state)) { + ret = PTR_ERR(crtc_state); + goto out; + } + + for_each_new_connector_in_state(state, tmp_connector, new_conn_state, i) { + if (new_conn_state->crtc != crtc) + continue; + if (tmp_connector->dpms == DRM_MODE_DPMS_ON) { + active = true; + break; + } + } + + crtc_state->active = active; + ret = drm_atomic_commit(state); +out: + if (ret != 0) + connector->dpms = old_mode; + return ret; +} + +int drm_atomic_set_property(struct drm_atomic_state *state, + struct drm_mode_object *obj, + struct drm_property *prop, + uint64_t prop_value) { struct drm_mode_object *ref; int ret; @@ -2286,7 +2337,8 @@ retry: goto out; } - ret = atomic_set_prop(state, obj, prop, prop_value); + ret = drm_atomic_set_property(state, obj, prop, + prop_value); if (ret) { drm_mode_object_put(obj); goto out; |