linux-kernel - Re: 2.6.36-rc2 drm compilation failure

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Message-ID: <20100823162241.12fd48f4@virtuousgeek.org>
Date:	Mon, 23 Aug 2010 16:22:41 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	"Carlos R. Mafra" <crmafra2@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.36-rc2 drm compilation failure

On Mon, 23 Aug 2010 13:32:48 +0200
"Carlos R. Mafra" <crmafra2@...il.com> wrote:

> The compilation of 2.6.36-rc2 fails with the following error
> 
>   LD      .tmp_vmlinux1
> drivers/built-in.o: In function `vga_get_uninterruptible':
> /home/mafra/linux-2.6/include/linux/vgaarb.h:120: undefined reference to `vga_get'
> drivers/built-in.o: In function `i915_disable_vga':
> /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:5990: undefined reference to `vga_put'
> make[1]: *** [.tmp_vmlinux1] Fehler 1
> make: *** [sub-make] Fehler 2
> 
> but 2.6.36-rc1 compiled fine. 
> 
> The machine is a Vaio 64-bit laptop with
> 
> VGA compatible controller: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller
> 
> and my .config has
> 
> CONFIG_DRM_I915=y
> CONFIG_DRM_I915_KMS=y
> 
> but also
> 
> # CONFIG_VGA_ARB is not set
> 
> I guess the following commit introduced the error 9cce37f4855a30cc 
> ("drm/i915: fix VGA plane disable for Ironlake+").
> 
> If there's any other information I should provide, please let me know.

Oh I see Chris already posted a patch for this.  Should be upstream
soon.

-- 
Jesse Barnes, Intel Open Source Technology Center
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