[PATCH] drm/amd/amdgpu: Remove workaround check for UVD6 on APUs

[Leo Liu]

On 10/24/2017 09:07 AM, Tom St Denis wrote:
> Thanks Leo,
>
> I don't have any uvd7 gear but that code has the same "workaround." 
> Should that be removed as well?
Good question. Since we don't have UVD7 APUs to verify, it's up to you 
to either re-visit later or remove it now.

Leo


>
> Cheers,
> Tom
>
> On 23/10/17 02:40 PM, Leo Liu wrote:
>> Reviewed-by: Leo Liu <leo.liu at amd.com>
>>
>>
>> On 10/23/2017 01:34 PM, Alex Deucher wrote:
>>> On Mon, Oct 23, 2017 at 1:03 PM, Tom St Denis <tom.stdenis at amd.com> 
>>> wrote:
>>>> On APUs the uvd6 driver was skipping proper suspend/resume routines 
>>>> resulting
>>>> in a broken state upon resume.
>>>>
>>>> Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
>>> Acked-by: Alex Deucher <alexander.deucher at amd.com>
>>>
>>>> ---
>>>>   drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c | 16 +++++-----------
>>>>   1 file changed, 5 insertions(+), 11 deletions(-)
>>>>
>>>> diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c 
>>>> b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
>>>> index 71299c67c517..2581543b35a7 100644
>>>> --- a/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
>>>> +++ b/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c
>>>> @@ -565,11 +565,7 @@ static int uvd_v6_0_suspend(void *handle)
>>>>          if (r)
>>>>                  return r;
>>>>
>>>> -       /* Skip this for APU for now */
>>>> -       if (!(adev->flags & AMD_IS_APU))
>>>> -               r = amdgpu_uvd_suspend(adev);
>>>> -
>>>> -       return r;
>>>> +       return amdgpu_uvd_suspend(adev);
>>>>   }
>>>>
>>>>   static int uvd_v6_0_resume(void *handle)
>>>> @@ -577,12 +573,10 @@ static int uvd_v6_0_resume(void *handle)
>>>>          int r;
>>>>          struct amdgpu_device *adev = (struct amdgpu_device *)handle;
>>>>
>>>> -       /* Skip this for APU for now */
>>>> -       if (!(adev->flags & AMD_IS_APU)) {
>>>> -               r = amdgpu_uvd_resume(adev);
>>>> -               if (r)
>>>> -                       return r;
>>>> -       }
>>>> +       r = amdgpu_uvd_resume(adev);
>>>> +       if (r)
>>>> +               return r;
>>>> +
>>>>          return uvd_v6_0_hw_init(adev);
>>>>   }
>>>>
>>>> -- 
>>>> 2.12.0
>>>>
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>