Commit 235c3610 authored by Jason Ekstrand's avatar Jason Ekstrand Committed by Christian König
Browse files

drm/ttm: Force re-init if ttm_global_init() fails 



If we have a failure, decrement the reference count so that the next
call to ttm_global_init() will actually do something instead of assume
everything is all set up.

Signed-off-by: default avatarJason Ekstrand <jason@jlekstrand.net>
Fixes: 62b53b37 ("drm/ttm: use a static ttm_bo_global instance")
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210720181357.2760720-5-jason@jlekstrand.net


Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
parent 3abab27c

drivers/gpu/drm/ttm/ttm_device.c

+2 −0
Original line number Diff line number Diff line
@@ -100,6 +100,8 @@ static int ttm_global_init(void) 
	debugfs_create_atomic_t("buffer_objects", 0444, ttm_debugfs_root,

				&glob->bo_count);

out:

	if (ret)

		--ttm_glob_use_count;

	mutex_unlock(&ttm_global_mutex);

	return ret;

}