On 23.11.2015 10:32, Daniel Vetter wrote:
> For drm_gem_object_unreference callers are required to hold
> dev->struct_mutex, which these paths don't. Enforcing this requirement
> has become a bit more strict with
>
> commit ef4c6270bf2867e2f8032e9614d1a8cfc6c71663
> Author: Daniel Vetter <daniel.vetter at ffwll.ch>
> Date:   Thu Oct 15 09:36:25 2015 +0200
>
>      drm/gem: Check locking in drm_gem_object_unreference
>
> Cc: Alex Deucher <alexander.deucher at amd.com>
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>

For this and the radeon patch Reviewed-by: Christian König 
<christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c 
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> index 6fcbbcc2e99e..cfb6caad2a73 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c
> @@ -263,7 +263,7 @@ out_unref:
>   
>       }
>       if (fb && ret) {
> -             drm_gem_object_unreference(gobj);
> +             drm_gem_object_unreference_unlocked(gobj);
>               drm_framebuffer_unregister_private(fb);
>               drm_framebuffer_cleanup(fb);
>               kfree(fb);


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