On Mon, Aug 23, 2021 at 4:27 PM Borislav Petkov <bp@xxxxxxxxx> wrote: > > On Mon, Aug 23, 2021 at 03:49:39PM -0400, Alex Deucher wrote: > > Maybe fixed with this patch? > > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5706cb3c910cc8283f344bc37a889a8d523a2c6d > > Nope, this one is already in: > > $ git tag --contains 5706cb3c910cc8283f344bc37a889a8d523a2c6d > v5.14-rc5 > v5.14-rc6 > v5.14-rc7 > > also, from only a quick poke so IMHO, the error says: > > ERROR: modpost: "pm_suspend_target_state" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! > > which means you need the > > EXPORT_SYMBOL_GPL(pm_suspend_target_state); > > which is in kernel/power/suspend.c which gets enabled with > > obj-$(CONFIG_SUSPEND) += suspend.o > > and if you look at PM_SLEEP: > > config PM_SLEEP > def_bool y > depends on SUSPEND || HIBERNATE_CALLBACKS > > (notice the ||) > > and my randconfig has: > > $ grep -E "(HIBERNATE_CALLBACKS|SUSPEND)" .config > # CONFIG_SUSPEND is not set > CONFIG_HIBERNATE_CALLBACKS=y > > which means, you need: > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > index 4137e848f6a2..a9ce3b20d371 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c > @@ -1040,7 +1040,7 @@ void amdgpu_acpi_detect(void) > */ > bool amdgpu_acpi_is_s0ix_supported(struct amdgpu_device *adev) > { > -#if IS_ENABLED(CONFIG_AMD_PMC) && IS_ENABLED(CONFIG_PM_SLEEP) > +#if IS_ENABLED(CONFIG_AMD_PMC) && IS_ENABLED(CONFIG_SUSPEND) > if (acpi_gbl_FADT.flags & ACPI_FADT_LOW_POWER_S0) { > if (adev->flags & AMD_IS_APU) > return pm_suspend_target_state == PM_SUSPEND_TO_IDLE; > > > but whether that gives you what you want for amdgpu, you probably need > to ponder on a bit. > > I sincerely hope that helps a little. Thanks. I think that should do the trick. Care to send that as a formal patch? Alex