Re: 2.6.30-rc3 video/i915 build error

Norbert Preining
2009-04-30T18:08:18Z

On Do, 23 Apr 2009, Len Brown wrote:
> > > CONFIG_DRM_I915=y
> > > CONFIG_ACPI_VIDEO=m
> > >
> > > drivers/built-in.o: In function `intel_opregion_init':
> > > (.text+0x9d540): undefined reference to `acpi_video_register'
> >
> > For me these two patches fix the problem.
>
> Matthew's response to those patches seems to be sufficient:
>
> http://patchwork.kernel.org/patch/18420/

I have to disagree. 2.6.30-rc4, with that patch I get that in my config:
CONFIG_DRM_I915=y
# CONFIG_DRM_I915_KMS is not set
CONFIG_ACPI_VIDEO=y
and it finishes with
MODPOST vmlinux.o
drivers/built-in.o: In function `acpi_video_bus_put_devices': video.c:(.text+0x383a1): undefined reference to `backlight_device_unregister'
drivers/built-in.o: In function `acpi_video_bus_add': video.c:(.text+0x39c6a): undefined reference to `backlight_device_register'

So I tried to activate the backlight device to =y but calling make
config always ended with
CONFIG_BACKLIGHT_CLASS_DEVICE=m

So still not working, which is bad. And the patches I mentioned before
do not apply anymore, so rc4 is out for testing for me.

Full .config on request.

Best wishes

Norbert

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Dr. Norbert Preining <preining@logic.at> Vienna University of Technology
Debian Developer <preining@debian.org> Debian TeX Group
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