regression in suspend/resume on Polaris

[Tom St Denis]

That patch seems to work for me.

On 20/11/17 08:21 AM, Christian König wrote:
> Yeah, known issue. See the proposed patch from Monk about partially 
> reverting this commit.
> 
> Regards,
> Christian.
> 
> Am 20.11.2017 um 14:18 schrieb Tom St Denis:
>> Hi,
>>
>> This commit causes a failure (attached) on resume with a Polaris10 
>> device installed (during uvd video playback).
>>
>> commit 1cfd8e237f0318e330190ac21d63c58ae6a1f66c (HEAD, refs/bisect/bad)
>> Author: Monk Liu <Monk.Liu at amd.com>
>> Date:   Tue Nov 14 11:52:35 2017 +0800
>>
>>     drm/amdgpu:cleanup GMC & gart garbage function
>>
>>     for gart_ram_alloc/free, they are never used in driver thus
>>     ripe them out totally.
>>
>>     for gart_vram_pin/unpin, they are not needed becuase we can
>>     use bo_creat_kernel/free to replace the original manual way
>>     in the gart_vram_alloc/free, thus gart_vram_pin/unpin can
>>     also be riped out.
>>
>>     Change-Id: Ic60949b59d8b363e5199f6c11d9ea4a15ec57519
>>     Signed-off-by: Monk Liu <Monk.Liu at amd.com>
>>     Reviewed-by: Christian König <christian.koenig at amd.com>
>>
>> Cheers,
>> Tom
> 
>