diff options
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 2fabd8c4fd88..69adcf3944cc 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -145,7 +145,7 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) continue; /* - * FIXME: Async commits can race with connector unplugging and + * FIXME: Nonblocking commits can race with connector unplugging and * there's currently nothing that prevents cleanup up state for * deleted connectors. As long as the callback doesn't look at * the connector we'll be fine though, so make sure that's the @@ -263,6 +263,8 @@ drm_atomic_get_crtc_state(struct drm_atomic_state *state, int ret, index = drm_crtc_index(crtc); struct drm_crtc_state *crtc_state; + WARN_ON(!state->acquire_ctx); + crtc_state = drm_atomic_get_existing_crtc_state(state, crtc); if (crtc_state) return crtc_state; @@ -622,6 +624,8 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state, int ret, index = drm_plane_index(plane); struct drm_plane_state *plane_state; + WARN_ON(!state->acquire_ctx); + plane_state = drm_atomic_get_existing_plane_state(state, plane); if (plane_state) return plane_state; @@ -890,6 +894,8 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state, struct drm_mode_config *config = &connector->dev->mode_config; struct drm_connector_state *connector_state; + WARN_ON(!state->acquire_ctx); + ret = drm_modeset_lock(&config->connection_mutex, state->acquire_ctx); if (ret) return ERR_PTR(ret); @@ -1390,7 +1396,7 @@ int drm_atomic_commit(struct drm_atomic_state *state) EXPORT_SYMBOL(drm_atomic_commit); /** - * drm_atomic_async_commit - atomic&async configuration commit + * drm_atomic_nonblocking_commit - atomic&nonblocking configuration commit * @state: atomic configuration to check * * Note that this function can return -EDEADLK if the driver needed to acquire @@ -1405,7 +1411,7 @@ EXPORT_SYMBOL(drm_atomic_commit); * Returns: * 0 on success, negative error code on failure. */ -int drm_atomic_async_commit(struct drm_atomic_state *state) +int drm_atomic_nonblocking_commit(struct drm_atomic_state *state) { struct drm_mode_config *config = &state->dev->mode_config; int ret; @@ -1414,11 +1420,11 @@ int drm_atomic_async_commit(struct drm_atomic_state *state) if (ret) return ret; - DRM_DEBUG_ATOMIC("commiting %p asynchronously\n", state); + DRM_DEBUG_ATOMIC("commiting %p nonblocking\n", state); return config->funcs->atomic_commit(state->dev, state, true); } -EXPORT_SYMBOL(drm_atomic_async_commit); +EXPORT_SYMBOL(drm_atomic_nonblocking_commit); /* * The big monstor ioctl @@ -1687,7 +1693,7 @@ retry: */ ret = drm_atomic_check_only(state); } else if (arg->flags & DRM_MODE_ATOMIC_NONBLOCK) { - ret = drm_atomic_async_commit(state); + ret = drm_atomic_nonblocking_commit(state); } else { ret = drm_atomic_commit(state); } |