On Thu, Jul 09, 2015 at 11:32:50PM +0200, Daniel Vetter wrote:
> Similar to radeon, except that amdgpu doesn't even use struct_mutex to
> protect anything like the shared z buffer (sane gpu architecture,
> yay!). And the code already grabs the globa adev->ring_lock, so this
> code can't race with itself. Which makes struct_mutex completely
> redundnant. Remove it.
> 
> Cc: Alex Deucher <alexander.deucher@amd.com>
> Cc: "Christian König" <christian.koenig@amd.com>
> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 2 --
>  1 file changed, 2 deletions(-)

Reviewed-by: Thierry Reding <treding@nvidia.com>