On Tue, 9 Apr 2013, Patrik Jakobsson wrote:
> On Tue, Apr 9, 2013 at 8:35 AM, Xiong Zhou <jencce.kernel@xxxxxxxxx> wrote:
> > From: Xiong Zhou <jencce.kernel@xxxxxxxxx>
> >
> > This patch fixes build failure of v3.9-rc5.
> > When config ACPI_VIDEO as m, DRM_GMA500 as y, here comes the failure.
> > gma5/600 needs acpi_video just like nouveau.
> >
> > Failure message:
> > drivers/built-in.o: In function `psb_driver_load':
> > kernel-3.9-rc5/drivers/gpu/drm/gma500/psb_drv.c:340: \
> > undefined reference to `acpi_video_register'
> > make: *** [vmlinux] Error 1
> >
> > Signed-off-by: Xiong Zhou <jencce.kernel@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/gma500/Kconfig | 1 +
> > 1 file changed, 1 insertion(+)
> >
> > diff --git a/drivers/gpu/drm/gma500/Kconfig b/drivers/gpu/drm/gma500/Kconfig
> > index 1188f0f..d64fc45 100644
> > --- a/drivers/gpu/drm/gma500/Kconfig
> > +++ b/drivers/gpu/drm/gma500/Kconfig
> > @@ -6,6 +6,7 @@ config DRM_GMA500
> > select FB_CFB_IMAGEBLIT
> > select DRM_KMS_HELPER
> > select DRM_TTM
> > + select ACPI_VIDEO if ACPI && X86 && BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL && INPUT
> > help
> > Say yes for an experimental 2D KMS framebuffer driver for the
> > Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
> > --
>
> Hi
>
> Thanks for catching this, but if I can be picky, I'd prefer if you wrote it
> like i915 does. E.g.
>
> select ACPI_VIDEO if ACPI
> select BACKLIGHT_CLASS_DEVICE if ACPI
> ...
>
> And you can skip X86 since we already 'depend' on it.
>
> Thanks
> Patrik
>
Nice advices, Thanks!
Xiong
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