linux-kernel - Re: build failure of next-20220811 due to b1a63a0b48ad ("drm/amd/display: consider DSC pass-through during mode validation")

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Date:   Wed, 17 Aug 2022 09:43:09 +1000
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Alex Deucher <alexander.deucher@....com>,
        "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com>
Cc:     Hamza Mahfooz <hamza.mahfooz@....com>,
        Fangzhi Zuo <Jerry.Zuo@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-next@...r.kernel.org
Subject: Re: build failure of next-20220811 due to b1a63a0b48ad
 ("drm/amd/display: consider DSC pass-through during mode validation")

Hi all,

On Fri, 12 Aug 2022 09:07:31 +1000 Stephen Rothwell <sfr@...hwell.id.au> wrote:
>
> On Thu, 11 Aug 2022 18:10:48 +0100 "Sudip Mukherjee (Codethink)" <sudipm.mukherjee@...il.com> wrote:
> >
> > Not sure if it has been reported, builds of riscv, alpha, s390, arm,
> > arm64, xtensa, mips, csky allmodconfig have failed to build next-20220811
> > with the error:
> > 
> > ERROR: modpost: "dc_dsc_compute_bandwidth_range" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
> > ERROR: modpost: "dc_dsc_get_policy_for_timing" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
> > 
> > git bisect pointed to b1a63a0b48ad ("drm/amd/display: consider DSC pass-through during mode validation")
> > And, reverting that commit has fixed the build failure.
> > 
> > I will be happy to test any patch or provide any extra log if needed.  
> 
> I have reverted that commit in today's linux-next.

I have removed that revert.  Sudip, can you recheck when linux-next is
released, please?

-- 
Cheers,
Stephen Rothwell

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