linux-kernel - [PATCH] resolving Re: 2.6.30-rc3 still fails to build in intel_opregion

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Date:	Sun, 26 Apr 2009 17:53:51 +0200
From:	Soeren Sonnenburg <sonne@...ian.org>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] resolving Re: 2.6.30-rc3 still fails to build in
 intel_opregion_init

On Fri, 2009-04-24 at 23:20 +0200, Soeren Sonnenburg wrote:
> still the same thing...
> 
>   MODPOST vmlinux.o
> WARNING: modpost: Found 1 section mismatch(es).
> To see full details build your kernel with:
> 'make CONFIG_DEBUG_SECTION_MISMATCH=y'
>   GEN     .version
>   CHK     include/linux/compile.h
>   UPD     include/linux/compile.h
>   CC      init/version.o
>   LD      init/built-in.o
>   LD      .tmp_vmlinux1
> drivers/built-in.o: In function `intel_opregion_init':
> (.text+0xcf239): undefined reference to `acpi_video_register'
> make: *** [.tmp_vmlinux1] Error 1

Argh, looks like one could select ACPI_VIDEO to be build as module
though DRM_I915 requires it to be compiled inside, so I guess this patch
should fix things:

Signed-off-by: Soeren Sonnenburg <sonne@...ian.org>

diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index 3a22eb9..71ebf04 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -71,6 +71,7 @@ config DRM_I915
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
 	select FB
+	select ACPI_VIDEO
 	tristate "i915 driver"
 	help
 	  Choose this option if you have a system that has Intel 830M, 845G,


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