Unverified Commit c367b772 authored by Louis Chauvet's avatar Louis Chauvet
Browse files

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: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarMaxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20250116-google-vkms-managed-v9-3-3e4ae1bd05a0@bootlin.com


Signed-off-by: default avatarLouis Chauvet <louis.chauvet@bootlin.com>
parent 16d22ba2

drivers/gpu/drm/drm_managed.c

+8 −0
Original line number Diff line number Diff line
@@ -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);

include/drm/drm_managed.h

+12 −0
Original line number Diff line number Diff line
@@ -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