Am 08.05.2017 um 22:43 schrieb Harry Wentland:
> On 2017-05-08 02:32 PM, Alex Deucher wrote:
>> On Fri, May 5, 2017 at 10:27 AM, Alex Deucher <alexdeucher at gmail.com>
>> wrote:
>>> Update the scratch reg for when the engine is hung.
>>>
>>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
>>
>> ping on this series.
>>
>
> I'm not an expert on this and haven't had a chance to look up the
> atomfirmware definitions but this looks reasonable to me.
Dito. Problem is as far as I know nobody else is deeply into atombios
and reviewing patches.
> Acked-by: Harry Wentland <harry.wentland at amd.com>
Acked-by: Christian König <christian.koenig at amd.com> as well.
Christian.
>
> Harry
>
>
>> Alex
>>
>>> ---
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c | 13 +++++++++++++
>>> drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h | 2 ++
>>> 2 files changed, 15 insertions(+)
>>>
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
>>> index d735cd1..4bdda56 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
>>> @@ -88,6 +88,19 @@ void
>>> amdgpu_atomfirmware_scratch_regs_restore(struct amdgpu_device *adev)
>>> WREG32(adev->bios_scratch_reg_offset + i,
>>> adev->bios_scratch[i]);
>>> }
>>>
>>> +void amdgpu_atomfirmware_scratch_regs_engine_hung(struct
>>> amdgpu_device *adev,
>>> + bool hung)
>>> +{
>>> + u32 tmp = RREG32(adev->bios_scratch_reg_offset + 3);
>>> +
>>> + if (hung)
>>> + tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
>>> + else
>>> + tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
>>> +
>>> + WREG32(adev->bios_scratch_reg_offset + 3, tmp);
>>> +}
>>> +
>>> int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device
>>> *adev)
>>> {
>>> struct atom_context *ctx = adev->mode_info.atom_context;
>>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
>>> b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
>>> index d0c4dcd..a2c3ebe 100644
>>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
>>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.h
>>> @@ -28,6 +28,8 @@ bool
>>> amdgpu_atomfirmware_gpu_supports_virtualization(struct amdgpu_device
>>> *adev)
>>> void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device
>>> *adev);
>>> void amdgpu_atomfirmware_scratch_regs_save(struct amdgpu_device
>>> *adev);
>>> void amdgpu_atomfirmware_scratch_regs_restore(struct amdgpu_device
>>> *adev);
>>> +void amdgpu_atomfirmware_scratch_regs_engine_hung(struct
>>> amdgpu_device *adev,
>>> + bool hung);
>>> int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device
>>> *adev);
>>>
>>> #endif
>>> --
>>> 2.5.5
>>>
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