Re: drm/amdgpu: Check pmops for desired suspend state

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On Thu, Jul 22, 2021 at 10:57:14AM +0530, Pratik Vishwakarma wrote:
> [Why]
> User might set mem_sleep as deep and it will result
> in amdgpu resume errors.
> 
> [How]
> Check with pm for default suspend state
> 
> Signed-off-by: Pratik Vishwakarma <Pratik.Vishwakarma@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index af1710971ff3..d92196429741 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -1468,7 +1468,8 @@ static int amdgpu_pmops_suspend(struct device *dev)
>  	struct amdgpu_device *adev = drm_to_adev(drm_dev);
>  	int r;
>  
> -	if (amdgpu_acpi_is_s0ix_supported(adev))
> +	if (amdgpu_acpi_is_s0ix_supported(adev)
> +		&& pm_suspend_default_s2idle())

Why pm_suspend_default_s2idle instead of pm_suspend_via_firmware?
>  		adev->in_s0ix = true;
>  	adev->in_s3 = true;
>  	r = amdgpu_device_suspend(drm_dev, true);
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