Just find out the config variable is formed by the header_print_symbol() in the confdata.c and also can double confirm the variable config set value in the include/generated/autoconf.h. Maybe we can set the AMD_PMC to 'y' by default in the platform Kconfig.
Thanks,
Prike
> -----Original Message-----
> From: Liang, Prike
> Sent: Wednesday, March 10, 2021 4:21 PM
> To: Alex Deucher <alexander.deucher@xxxxxxx>; amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> Subject: RE: [PATCH] drm/amdgpu: fix S0ix handling when the
> CONFIG_AMD_PMC=m
>
> Not find the Kconfig script in the in-tree repo can strip the config variables
> and add _MODULE suffix to module config variable. Not sure this _MODULE
> variable config whether introduced by some specific ENV.
>
> Acked-by: Prike Liang <Prike.Liang@xxxxxxx>
>
> > -----Original Message-----
> > From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> > Alex Deucher
> > Sent: Wednesday, March 10, 2021 12:01 PM
> > To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> > Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>
> > Subject: [PATCH] drm/amdgpu: fix S0ix handling when the
> > CONFIG_AMD_PMC=m
> >
> > Need to check the module variant as well.
> >
> > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
> > ---
> > drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> > b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> > index 36a741d63ddc..2e9b16fb3fcd 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c
> > @@ -903,7 +903,7 @@ void amdgpu_acpi_fini(struct amdgpu_device
> *adev)
> > */
> > bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) {
> > -#if
> > defined(CONFIG_AMD_PMC)
> > +#if defined(CONFIG_AMD_PMC) || defined(CONFIG_AMD_PMC_MODULE)
> > if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) {
> > if (adev->flags & AMD_IS_APU)
> > return true;
> > --
> > 2.29.2
> >
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> >
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