[AMD Official Use Only - Internal Distribution Only]
Reviewed-by: Prike Liang <Prike.Liang@xxxxxxx>
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex
> Deucher
> Sent: Saturday, February 27, 2021 6:28 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> Subject: [PATCH] drm/amdgpu: Only check for S0ix if AMD_PMC is configured
>
> The S0ix check only makes sense if the AMD PMC driver is present. We need
> to use the legacy S3 pathes when the PMC driver is not present.
>
> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> index 8155c54392c8..36a741d63ddc 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> @@ -903,10 +903,11 @@ void amdgpu_acpi_fini(struct amdgpu_device
> *adev)
> */
> bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) {
> +#if defined(CONFIG_AMD_PMC)
> if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) {
> if (adev->flags & AMD_IS_APU)
> return true;
> }
> -
> +#endif
> return false;
> }
> --
> 2.29.2
>
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