diff options
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_kms.c')
| -rw-r--r-- | drivers/gpu/drm/vc4/vc4_kms.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 4718ae5176cc..861a623bc185 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -93,7 +93,7 @@ static struct vc4_commit *commit_init(struct drm_atomic_state *state) * 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 @@ -104,7 +104,7 @@ static struct vc4_commit *commit_init(struct drm_atomic_state *state) */ 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; @@ -117,10 +117,18 @@ static int vc4_atomic_commit(struct drm_device *dev, 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); @@ -170,7 +178,7 @@ static int vc4_atomic_commit(struct drm_device *dev, * current layout. */ - if (async) { + if (nonblock) { vc4_queue_seqno_cb(dev, &c->cb, wait_seqno, vc4_atomic_complete_commit_seqno_cb); } else { @@ -207,8 +215,6 @@ int vc4_kms_load(struct drm_device *dev) 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, |