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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-05-09 11:18:57 +0300 |
|---|---|---|
| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2019-05-09 11:19:03 +0300 |
| commit | 752c4f3c1d19708578257ecc041672b6d8afb9bf (patch) | |
| tree | 75bf7773e3dcddb495540dbd3fd135702de738eb /drivers/gpu/drm/drm_lock.c | |
| parent | 3be2071004bf748ed39e54ccda85caaa774c7ccd (diff) | |
| parent | eb85d03e01c3e9f3b0ba7282b2e3515a635decb2 (diff) | |
| download | linux-752c4f3c1d19708578257ecc041672b6d8afb9bf.tar.xz | |
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Requested for backmerging airlied's drm-legacy cleanup.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_lock.c')
| -rw-r--r-- | drivers/gpu/drm/drm_lock.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c index 67a1a2ca7174..b70058e77a28 100644 --- a/drivers/gpu/drm/drm_lock.c +++ b/drivers/gpu/drm/drm_lock.c @@ -347,3 +347,22 @@ void drm_legacy_lock_release(struct drm_device *dev, struct file *filp) _DRM_LOCKING_CONTEXT(file_priv->master->lock.hw_lock->lock)); } } + +void drm_legacy_lock_master_cleanup(struct drm_device *dev, struct drm_master *master) +{ + if (!drm_core_check_feature(dev, DRIVER_LEGACY)) + return; + + /* + * Since the master is disappearing, so is the + * possibility to lock. + */ mutex_lock(&dev->struct_mutex); + if (master->lock.hw_lock) { + if (dev->sigdata.lock == master->lock.hw_lock) + dev->sigdata.lock = NULL; + master->lock.hw_lock = NULL; + master->lock.file_priv = NULL; + wake_up_interruptible_all(&master->lock.lock_queue); + } + mutex_unlock(&dev->struct_mutex); +} |