On Thu, 23 Apr 2009, Len Brown wrote:
> On Fri, 24 Apr 2009, yakui_zhao wrote:
>
> > On Fri, 2009-04-24 at 03:50 +0800, Len Brown wrote:
> >
> > Hi, Len
> > The issue can be fixed by the patch from Matthew.
> > In Matthew's patch the acpi video is also selected when the i915 is
> > compiled as builtin-kernel module.
> > But IMO this is not very good. From the Kconfig file we know that
> > acpi video driver depends on the following configuration:
> > BACKLIGHT_CLASS_DEVICE && VIDEO_OUTPUT_CONTROL
> >
> > If the VIDEO_OUTPUT_CONTROL/BACKLIGHT_CLASS_DEVICE is not selected,
> > then it will still fail in kernel compilation.
>
> Matthew's patch is in.
> Please send me an additional patch for the additionanl failure case.
Yakui speaks the truth, all hail Yakui:-)
"ACPI/i915: build fix" is dropped, because it fixes
drivers/built-in.o: In function `intel_opregion_init':
(.text+0x9d540): undefined reference to `acpi_video_register'
but in defconfig, it causes:
drivers/built-in.o: In function `acpi_video_bus_put_devices':
video.c:(.text+0x411d2): undefined reference to `video_output_unregister'
drivers/built-in.o: In function `acpi_video_bus_add':
video.c:(.text+0x42c4e): undefined reference to `video_output_register'
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