[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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