Re: [PATCH] drivers/gpu/drm/gma500:fix build failure for 3.9-rc5

From: Patrik Jakobsson
Date: Tue Apr 09 2013 - 16:22:28 EST


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
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