Re: [PATCH 2/3] ACPI: video: Remove CONFIG_X86 handling from nvidia_wmi_ec_supported()

On Fri, 17 Jul 2026, Armin Wolf wrote:

> Am 17.07.26 um 11:14 schrieb Rafael J. Wysocki (Intel):
> 
> > On Fri, Jul 17, 2026 at 1:45 AM Armin Wolf <[email protected]> wrote:
> > > The WMI-ACPI driver now supports architectures other than x86.
> > > Remove the CONFIG_X86 handling from video-detect and the associated
> > > GPU drivers to simplify the resulting code.
> > > 
> > > Signed-off-by: Armin Wolf <[email protected]>
> > Acked-by: Rafael J. Wysocki (Intel) <[email protected]>
> > 
> > Or please let me know if you want me to pick up this one.
> > 
> > Thanks!
> 
> Hi,
> 
> i would prefer if this is being picked up by the platform drivers tree, unless
> Ilpo says otherwise.

Hi.

I'm fine with taking this, but not before gpu/ people acks and you seem to 
not have them among receipients??

Proposed course of action: Collect tags and send v2 with a bit more 
receipients?

--
 i.

> > > ---
> > >   drivers/acpi/Kconfig               | 2 +-
> > >   drivers/acpi/video_detect.c        | 8 --------
> > >   drivers/gpu/drm/amd/amdgpu/Kconfig | 4 +---
> > >   drivers/gpu/drm/gma500/Kconfig     | 1 -
> > >   drivers/gpu/drm/i915/Kconfig       | 1 -
> > >   drivers/gpu/drm/radeon/Kconfig     | 4 +---
> > >   drivers/gpu/drm/xe/Kconfig         | 5 ++---
> > >   7 files changed, 5 insertions(+), 20 deletions(-)
> > > 
> > > diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
> > > index f165d14cf61a..cc1e58fa664b 100644
> > > --- a/drivers/acpi/Kconfig
> > > +++ b/drivers/acpi/Kconfig
> > > @@ -224,7 +224,7 @@ config ACPI_VIDEO
> > >          tristate "Video"
> > >          depends on BACKLIGHT_CLASS_DEVICE
> > >          depends on INPUT
> > > -       depends on ACPI_WMI || !X86
> > > +       depends on ACPI_WMI
> > >          select THERMAL
> > >          help
> > >            This driver implements the ACPI Extensions For Display Adapters
> > > diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> > > index 458efa4fe9d4..af9280b244f1 100644
> > > --- a/drivers/acpi/video_detect.c
> > > +++ b/drivers/acpi/video_detect.c
> > > @@ -82,8 +82,6 @@ find_video(acpi_handle handle, u32 lvl, void *context,
> > > void **rv)
> > >          return AE_OK;
> > >   }
> > > 
> > > -/* This depends on ACPI_WMI which is X86 only */
> > > -#ifdef CONFIG_X86
> > >   static bool nvidia_wmi_ec_supported(void)
> > >   {
> > >          struct wmi_brightness_args args = {
> > > @@ -105,12 +103,6 @@ static bool nvidia_wmi_ec_supported(void)
> > >           */
> > >          return args.ret == WMI_BRIGHTNESS_SOURCE_EC;
> > >   }
> > > -#else
> > > -static bool nvidia_wmi_ec_supported(void)
> > > -{
> > > -       return false;
> > > -}
> > > -#endif
> > > 
> > >   /* Force to use vendor driver when the ACPI device is known to be
> > >    * buggy */
> > > diff --git a/drivers/gpu/drm/amd/amdgpu/Kconfig
> > > b/drivers/gpu/drm/amd/amdgpu/Kconfig
> > > index 12e4a41bf1f0..50305630f533 100644
> > > --- a/drivers/gpu/drm/amd/amdgpu/Kconfig
> > > +++ b/drivers/gpu/drm/amd/amdgpu/Kconfig
> > > @@ -30,9 +30,7 @@ config DRM_AMDGPU
> > >          # ACPI_VIDEO's dependencies must also be selected.
> > >          select INPUT if ACPI
> > >          select ACPI_VIDEO if ACPI
> > > -       # On x86 ACPI_VIDEO also needs ACPI_WMI
> > > -       select X86_PLATFORM_DEVICES if ACPI && X86
> > > -       select ACPI_WMI if ACPI && X86
> > > +       select ACPI_WMI if ACPI
> > >          help
> > >            Choose this option if you have a recent AMD Radeon graphics
> > > card.
> > > 
> > > diff --git a/drivers/gpu/drm/gma500/Kconfig
> > > b/drivers/gpu/drm/gma500/Kconfig
> > > index a2acaa699dd5..dc4c56638819 100644
> > > --- a/drivers/gpu/drm/gma500/Kconfig
> > > +++ b/drivers/gpu/drm/gma500/Kconfig
> > > @@ -11,7 +11,6 @@ config DRM_GMA500
> > >          select ACPI_VIDEO if ACPI
> > >          select BACKLIGHT_CLASS_DEVICE if ACPI
> > >          select INPUT if ACPI
> > > -       select X86_PLATFORM_DEVICES if ACPI
> > >          select ACPI_WMI if ACPI
> > >          help
> > >            Say yes for an experimental 2D KMS framebuffer driver for the
> > > diff --git a/drivers/gpu/drm/i915/Kconfig b/drivers/gpu/drm/i915/Kconfig
> > > index 5e939004b646..71426b9c91f0 100644
> > > --- a/drivers/gpu/drm/i915/Kconfig
> > > +++ b/drivers/gpu/drm/i915/Kconfig
> > > @@ -28,7 +28,6 @@ config DRM_I915
> > >          # but for select to work, need to select ACPI_VIDEO's
> > > dependencies, ick
> > >          select BACKLIGHT_CLASS_DEVICE if ACPI
> > >          select INPUT if ACPI
> > > -       select X86_PLATFORM_DEVICES if ACPI
> > >          select ACPI_WMI if ACPI
> > >          select ACPI_VIDEO if ACPI
> > >          select SYNC_FILE
> > > diff --git a/drivers/gpu/drm/radeon/Kconfig
> > > b/drivers/gpu/drm/radeon/Kconfig
> > > index c479f0c0dd5c..3cd70aef770e 100644
> > > --- a/drivers/gpu/drm/radeon/Kconfig
> > > +++ b/drivers/gpu/drm/radeon/Kconfig
> > > @@ -25,9 +25,7 @@ config DRM_RADEON
> > >          # ACPI_VIDEO's dependencies must also be selected.
> > >          select INPUT if ACPI
> > >          select ACPI_VIDEO if ACPI
> > > -       # On x86 ACPI_VIDEO also needs ACPI_WMI
> > > -       select X86_PLATFORM_DEVICES if ACPI && X86
> > > -       select ACPI_WMI if ACPI && X86
> > > +       select ACPI_WMI if ACPI
> > >          help
> > >            Choose this option if you have an ATI Radeon graphics card.
> > > There
> > >            are both PCI and AGP versions.  You don't need to choose this
> > > to
> > > diff --git a/drivers/gpu/drm/xe/Kconfig b/drivers/gpu/drm/xe/Kconfig
> > > index 4d7dcaff2b91..502c7b3c1f16 100644
> > > --- a/drivers/gpu/drm/xe/Kconfig
> > > +++ b/drivers/gpu/drm/xe/Kconfig
> > > @@ -4,7 +4,6 @@ config DRM_XE
> > >          depends on DRM && PCI
> > >          depends on KUNIT || !KUNIT
> > >          depends on INTEL_VSEC || !INTEL_VSEC
> > > -       depends on X86_PLATFORM_DEVICES || !(X86 && ACPI)
> > >          depends on PAGE_SIZE_4KB || COMPILE_TEST || BROKEN
> > >          select INTERVAL_TREE
> > >          # we need shmfs for the swappable backing store, and in
> > > particular
> > > @@ -29,8 +28,8 @@ config DRM_XE
> > >          # but for select to work, need to select ACPI_VIDEO's
> > > dependencies, ick
> > >          select BACKLIGHT_CLASS_DEVICE if ACPI
> > >          select INPUT if ACPI
> > > -       select ACPI_VIDEO if X86 && ACPI
> > > -       select ACPI_WMI if X86 && ACPI
> > > +       select ACPI_VIDEO if ACPI
> > > +       select ACPI_WMI if ACPI
> > >          select SYNC_FILE
> > >          select CRC32
> > >          select SND_HDA_I915 if SND_HDA_CORE
> > > --
> > > 2.39.5
> > > 
> > > 
>