[PATCH] drm/amdgpu: remove duplicate evict_vram in suspend path

zhoucm1 david1.zhou at amd.com
Mon Oct 10 07:11:54 UTC 2016


We can make it dGpu specific if APU has no problem.

Regards,
David Zhou

On 2016年10月10日 15:09, Christian König wrote:
>> i'm a trailblazer of bad ideas at times :-) hehehehe
> Well, I know this because I had the same bad idea earlier and spend a 
> lot of time bisecting why it broke :)
>
> Christian.
>
> Am 09.10.2016 um 19:54 schrieb Tom St Denis:
>> Yup that's what I said in another part of the thread :-)
>>
>> i'm a trailblazer of bad ideas at times :-) hehehehe
>>
>> Tom
>>
>> On Sun, Oct 9, 2016 at 11:13 AM Christian König 
>> <deathsimple at vodafone.de <mailto:deathsimple at vodafone.de>> wrote:
>>
>>     Am 05.10.2016 um 21:42 schrieb Alex Deucher:
>>     > Looks like fallout from a rebase or merge.
>>     >
>>     > Signed-off-by: Alex Deucher <alexander.deucher at amd.com
>>     <mailto:alexander.deucher at amd.com>>
>>
>>     NAK, this is done on purpose and is for evicting the GART table using
>>     memcpy.
>>
>>     Tom wanted to remove that as well and it makes resume then fail
>>     horrible
>>     on dGPUs.
>>
>>     We should probably add a comment why this is necessary.
>>
>>     Christian.
>>
>>     > ---
>>     >   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 ---
>>     >   1 file changed, 3 deletions(-)
>>     >
>>     > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>     b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>     > index 45259b5..c2f70be 100644
>>     > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>     > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>>     > @@ -1956,9 +1956,6 @@ int amdgpu_device_suspend(struct
>>     drm_device *dev, bool suspend, bool fbcon)
>>     >
>>     >       r = amdgpu_suspend(adev);
>>     >
>>     > -     /* evict remaining vram memory */
>>     > -     amdgpu_bo_evict_vram(adev);
>>     > -
>>     >       pci_save_state(dev->pdev);
>>     >       if (suspend) {
>>     >               /* Shut down the device */
>>
>>
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>
>
>
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