Re: Build break due to 28ec711 "drm/agp: move AGP cleanup paths to drm_agpsupport.c"

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Hi

On Thu, Aug 8, 2013 at 9:21 PM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote:
> On 08/08/2013 12:13 PM, David Herrmann wrote:
>> Hi
>>
>> On Thu, Aug 8, 2013 at 8:00 PM, Stephen Warren <swarren@xxxxxxxxxxxxx> wrote:
>>> In next-20130808, building tegra_defconfig for ARM yields:
>>>
>>>> drivers/built-in.o: In function `drm_lastclose':
>>>> /home/swarren/shared/git_wa/kernel/kernel.git/drivers/gpu/drm/drm_drv.c:198: undefined reference to `drm_agp_clear'
>>>
>>> That's because drm_agp_clear() is called unconditionally, yet is only
>>> conditionally built into drm_agpsupport.c (#if __OS_HAS_AGP).
>>>
>>> Should the call from drm_drv.c be conditional, or should there be a
>>> dummy static inline replacement in include/drm/drmP.h for when AGP
>>> support isn't available?
>>
>> Sorry, I missed testing with AGP=n and the code I fixed depended on
>> dead-code-elimination to link correctly. I overlooked that. There is a
>> patch pending on dri-devel:
>> http://lists.freedesktop.org/archives/dri-devel/2013-August/043077.html
>
> That makes it worse! To solve it, you need:

Argh! I need some proper build environments to test all the non-x86
stuff. Thanks for the hint, I will resend the patch. Hopefully it'll
work this time. Sorry for that..

Thanks
David

> diff --git a/include/drm/drm_agpsupport.h b/include/drm/drm_agpsupport.h
> index f926542..a184eee 100644
> --- a/include/drm/drm_agpsupport.h
> +++ b/include/drm/drm_agpsupport.h
> @@ -8,7 +8,7 @@
>  #include <linux/agp_backend.h>
>  #include <drm/drmP.h>
>
> -#ifdef __OS_HAS_AGP
> +#if __OS_HAS_AGP
>
>  void drm_free_agp(DRM_AGP_MEM * handle, int pages);
>  int drm_bind_agp(DRM_AGP_MEM * handle, unsigned int start);
>
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