* vc4_atomic_commit - commit validated state object
* @dev: DRM device
* @state: the driver state object
- * @async: asynchronous commit
+ * @nonblock: nonblocking commit
*
* This function commits a with drm_atomic_helper_check() pre-validated state
* object. This can still fail when e.g. the framebuffer reservation fails. For
*/
static int vc4_atomic_commit(struct drm_device *dev,
struct drm_atomic_state *state,
- bool async)
+ bool nonblock)
{
struct vc4_dev *vc4 = to_vc4_dev(dev);
int ret;
return -ENOMEM;
/* Make sure that any outstanding modesets have finished. */
- ret = down_interruptible(&vc4->async_modeset);
- if (ret) {
- kfree(c);
- return ret;
+ if (nonblock) {
+ ret = down_trylock(&vc4->async_modeset);
+ if (ret) {
+ kfree(c);
+ return -EBUSY;
+ }
+ } else {
+ ret = down_interruptible(&vc4->async_modeset);
+ if (ret) {
+ kfree(c);
+ return ret;
+ }
}
ret = drm_atomic_helper_prepare_planes(dev, state);
* current layout.
*/
- if (async) {
+ if (nonblock) {
vc4_queue_seqno_cb(dev, &c->cb, wait_seqno,
vc4_atomic_complete_commit_seqno_cb);
} else {
dev->mode_config.preferred_depth = 24;
dev->mode_config.async_page_flip = true;
- dev->vblank_disable_allowed = true;
-
drm_mode_config_reset(dev);
vc4->fbdev = drm_fbdev_cma_init(dev, 32,