diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-11 04:34:46 -0300 |
commit | 863981e96738983919de841ec669e157e6bdaeb0 (patch) | |
tree | d6d89a12e7eb8017837c057935a2271290907f76 /drivers/gpu/drm/vc4/vc4_kms.c | |
parent | 8dec7c70575785729a6a9e6719a955e9c545bcab (diff) |
Linux-libre 4.7.1-gnupck-4.7.1-gnu
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 4718ae517..861a623bc 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, |