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| author |   Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2017-09-12 15:37:45 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2017-09-13 09:51:18 +0200 |
| commit | dad56ce4172e79b9ded5c6fc279710ce5e55f03f (patch) | |
| tree | 51e1bac4f96296066fc140bd906b6dfca2439678 /drivers/gpu/drm/drm_atomic.c | |
| parent | drm/atomic: Prepare drm_modeset_lock infrastructure for interruptible waiting, v2. (diff) | |
| download | linux-dev-dad56ce4172e79b9ded5c6fc279710ce5e55f03f.tar.xz linux-dev-dad56ce4172e79b9ded5c6fc279710ce5e55f03f.zip | |
drm/atomic: Convert atomic ioctl locking to interruptible.
Pass DRM_MODESET_ACQUIRE_INTERRUPTIBLE to acquire_init, and
handle drm_modeset_backoff which can now fail by returning the error.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20170912133749.6532-3-maarten.lankhorst@linux.intel.com
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/drm_atomic.c')
| -rw-r--r-- | drivers/gpu/drm/drm_atomic.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 98f42397c529..9e787621b4f5 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -2231,7 +2231,7 @@ int drm_mode_atomic_ioctl(struct drm_device *dev, (arg->flags & DRM_MODE_PAGE_FLIP_EVENT)) return -EINVAL; - drm_modeset_acquire_init(&ctx, 0); + drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); state = drm_atomic_state_alloc(dev); if (!state) @@ -2342,8 +2342,9 @@ out: if (ret == -EDEADLK) { drm_atomic_state_clear(state); - drm_modeset_backoff(&ctx); - goto retry; + ret = drm_modeset_backoff(&ctx); + if (!ret) + goto retry; } drm_atomic_state_put(state); |