linux-kernel - Re: [PATCH] drm/msm: Fix link error with !MSM

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Date:	Wed, 8 Jan 2014 14:53:45 -0500
From:	Rob Clark <robdclark@...il.com>
To:	Joerg Roedel <joro@...tes.org>
Cc:	iommu@...ts.linux-foundation.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/msm: Fix link error with !MSM_IOMMU

On Wed, Jan 8, 2014 at 8:35 AM, Joerg Roedel <joro@...tes.org> wrote:
> On Wed, Jan 08, 2014 at 08:23:49AM -0500, Rob Clark wrote:
>> On Tue, Jan 7, 2014 at 5:53 PM, Joerg Roedel <joro@...tes.org> wrote:
>> > On Tue, Jan 07, 2014 at 11:47:26PM +0100, Joerg Roedel wrote:
>> >> The DRM driver for MSM depends on symbols from the MSM
>> >> IOMMU driver. Add this dependency to the Kconfig file.
>> >>
>> >> Fixes this comile error:
>> >>
>> >>   Kernel: arch/arm/boot/zImage is ready
>> >>   ERROR: "msm_iommu_get_ctx" [drivers/gpu/drm/msm/msm.ko]
>> >>   undefined!
>> >>   make[2]: *** [__modpost] Error 1
>>
>> Thanks, I'll pull this into my pull req for 3.14 drm-next.. although,
>> after chatting with Stephen Boyd, I think we should eventually be able
>> to get rid of this (seems msm_iommu_get_ctx() was mainly for dealing
>> with secure playback (?))
>
> It is already in my next-branch. So if you are ok with the approach for
> now there is no need for action. If you want it to go through your tree
> anyway please let me know and I will drop it from mine.

probably will be a slight merge conflict if it goes through your
branch.. although should be easy enough to resolve, basically the
result should look something like:

  depends on (ARCH_MSM && ARCH_MSM8960 && MSM_IOMMU) || (ARM && COMPILE_TEST)

BR,
-R

>
>         Joerg
>
>
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