On Wed, Jul 21, 2021 at 10:23:56AM -0500, Jason Ekstrand wrote:
> 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 <ja...@jlekstrand.net>
> Fixes: 62b53b37e4b1 ("drm/ttm: use a static ttm_bo_global instance")
> Reviewed-by: Christian König <christian.koe...@amd.com>
This one is already in drm-misc-fixes.
-Daniel
> ---
> drivers/gpu/drm/ttm/ttm_device.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/ttm/ttm_device.c
> b/drivers/gpu/drm/ttm/ttm_device.c
> index 5f31acec3ad76..519deea8e39b7 100644
> --- a/drivers/gpu/drm/ttm/ttm_device.c
> +++ b/drivers/gpu/drm/ttm/ttm_device.c
> @@ -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;
> }
> --
> 2.31.1
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
