diff options
| author | Louis Chauvet <louis.chauvet@bootlin.com> | 2025-01-16 18:47:15 +0100 |
|---|---|---|
| committer | Louis Chauvet <louis.chauvet@bootlin.com> | 2025-01-21 10:32:31 +0100 |
| commit | c367b772e6d89d8c7b560c7df7e3803ce6b8bcea (patch) | |
| tree | 6f7481f8eb126fb28922b5f5a4137fded0a98a07 | |
| parent | 16d22ba2debda22907b3eda4cc8ec1229136f424 (diff) | |
drm/managed: Add DRM-managed alloc_ordered_workqueue
Add drmm_alloc_ordered_workqueue(), a helper that provides managed ordered
workqueue cleanup. The workqueue will be destroyed with the final
reference of the DRM device.
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116-google-vkms-managed-v9-3-3e4ae1bd05a0@bootlin.com
Signed-off-by: Louis Chauvet <louis.chauvet@bootlin.com>
| -rw-r--r-- | drivers/gpu/drm/drm_managed.c | 8 | ||||
| -rw-r--r-- | include/drm/drm_managed.h | 12 |
2 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c index 79ce86a5bd67..cc4c463daae7 100644 --- a/drivers/gpu/drm/drm_managed.c +++ b/drivers/gpu/drm/drm_managed.c @@ -310,3 +310,11 @@ void __drmm_mutex_release(struct drm_device *dev, void *res) mutex_destroy(lock); } EXPORT_SYMBOL(__drmm_mutex_release); + +void __drmm_workqueue_release(struct drm_device *device, void *res) +{ + struct workqueue_struct *wq = res; + + destroy_workqueue(wq); +} +EXPORT_SYMBOL(__drmm_workqueue_release); diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h index f547b09ca023..53017cc609ac 100644 --- a/include/drm/drm_managed.h +++ b/include/drm/drm_managed.h @@ -127,4 +127,16 @@ void __drmm_mutex_release(struct drm_device *dev, void *res); drmm_add_action_or_reset(dev, __drmm_mutex_release, lock); \ }) \ +void __drmm_workqueue_release(struct drm_device *device, void *wq); + +#define drmm_alloc_ordered_workqueue(dev, fmt, flags, args...) \ + ({ \ + struct workqueue_struct *wq = alloc_ordered_workqueue(fmt, flags, ##args); \ + wq ? ({ \ + int ret = drmm_add_action_or_reset(dev, __drmm_workqueue_release, wq); \ + ret ? ERR_PTR(ret) : wq; \ + }) : \ + wq; \ + }) + #endif |