UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: Jason Ekstrand <jason@jlekstrand.net>
Fixes: 62b53b37e4 ("drm/ttm: use a static ttm_bo_global instance")
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210720181357.2760720-5-jason@jlekstrand.net
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Jason Ekstrand 2021-07-20 13:13:55 -05:00 committed by Christian König
parent 3abab27c32
commit 235c3610d5
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/ttm/ttm_device.c
View File

@ -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;
}