[PATCH linux-next] drm/amdgpu/vcn: Remove unused assignment in vcn_v4_0_stop

[Khalid Masum]

On 8/15/22 22:00, Dong, Ruijing wrote:
> [AMD Official Use Only - General]
> 
> Then please update commit message, this change is due to "value r is never used, and remove unnecessary assignment", that makes sense to me.
> 
> Thanks
> Ruijing
> 
Greg also pointed out that the function vcn_v4_0_stop_dpg_mode should 
return void. I shall send a patch shortly with these two changes. Thanks 
for your suggestion.

Thanks,
   -- Khalid Masum