diff options
| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2017-09-12 15:37:46 +0200 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2017-09-13 09:51:31 +0200 |
| commit | 6c886e4aff0d09265855f62b31522b8328224a3d (patch) | |
| tree | 861a820b33f4f729d9d29a298e28440e11c238f5 /drivers/gpu/drm/drm_plane.c | |
| parent | dad56ce4172e79b9ded5c6fc279710ce5e55f03f (diff) | |
drm/legacy: Convert cursor 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/20170912133749.6532-4-maarten.lankhorst@linux.intel.com
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/drm_plane.c')
| -rw-r--r-- | drivers/gpu/drm/drm_plane.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index 85ab1eec73e5..15549cc4d790 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -833,7 +833,7 @@ static int drm_mode_cursor_common(struct drm_device *dev, return -ENOENT; } - drm_modeset_acquire_init(&ctx, 0); + drm_modeset_acquire_init(&ctx, DRM_MODESET_ACQUIRE_INTERRUPTIBLE); retry: ret = drm_modeset_lock(&crtc->mutex, &ctx); if (ret) @@ -875,8 +875,9 @@ retry: } out: if (ret == -EDEADLK) { - drm_modeset_backoff(&ctx); - goto retry; + ret = drm_modeset_backoff(&ctx); + if (!ret) + goto retry; } drm_modeset_drop_locks(&ctx); |