[PATCH 1/3] drm/amdgpu: drop scratch regs save and restore from S3/S4 handling

[Christian König]

Am 13.12.2017 um 00:52 schrieb Harry Wentland:
> On 2017-12-12 03:27 PM, Alex Deucher wrote:
>> The expectation is that the base driver doesn't mess with these.
>> Some components interact with these directly so let the components
>> handle these directly.
>>
>> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> Series is Reviewed-by: Harry Wentland <harry.wentland at amd.com>

Acked-by: Christian König <christian.koenig at amd.com>

Christian.

>
> Harry
>
>> ---
>>   drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 --
>>   1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> index 98d62a991b67..ca1cf8a71dda 100644
>> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
>> @@ -2577,7 +2577,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon)
>>   	 */
>>   	amdgpu_bo_evict_vram(adev);
>>   
>> -	amdgpu_atombios_scratch_regs_save(adev);
>>   	pci_save_state(dev->pdev);
>>   	if (suspend) {
>>   		/* Shut down the device */
>> @@ -2626,7 +2625,6 @@ int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon)
>>   		if (r)
>>   			goto unlock;
>>   	}
>> -	amdgpu_atombios_scratch_regs_restore(adev);
>>   
>>   	/* post card */
>>   	if (amdgpu_need_post(adev)) {
>>
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