Re: 2.6.30-rc3 video/i915 build error

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On Fri, 2009-04-24 at 23:49 +0800, Len Brown wrote:
> From: Len Brown <len.brown@xxxxxxxxx>
> Subject: [PATCH] ACPI, i915: build fix
Hi, Len
    It seems that the issue still exists if KMS is not set in kernel
configuration.
    	
    Maybe this should depend on whether the I915 is selected.

thanks.
	
> 
> drivers/built-in.o: In function `intel_opregion_init':
> (.text+0x9d540): undefined reference to `acpi_video_register'
> 
> Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
> ---
>  drivers/gpu/drm/Kconfig |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
> index 3a22eb9..f33d252 100644
> --- a/drivers/gpu/drm/Kconfig
> +++ b/drivers/gpu/drm/Kconfig
> @@ -83,6 +83,12 @@ config DRM_I915
>  config DRM_I915_KMS
>  	bool "Enable modesetting on intel by default"
>  	depends on DRM_I915
> +	# i915 KMS depends on ACPI_VIDEO when ACPI is enabled
> +	# but for select to work, need to select ACPI_VIDEO's dependencies, ick
> +	select VIDEO_OUTPUT_CONTROL if ACPI
> +	select BACKLIGHT_CLASS_DEVICE if ACPI
> +	select INPUT if ACPI
> +	select ACPI_VIDEO if ACPI
>  	help
>  	  Choose this option if you want kernel modesetting enabled by default,
>  	  and you have a new enough userspace to support this. Running old

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