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Date:   Tue, 20 Sep 2022 14:12:07 +0200
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Subject: Re: build failure of next-20220920 due to c2b08e7a6d27 ("drm/amdgpu:
 move entity selection and job init earlier during CS")
Content-Language: en-US
To:     Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
        Alex Deucher <alexander.deucher@amd.com>
Cc:     "Pan, Xinhui" <Xinhui.Pan@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        Sumit Semwal <sumit.semwal@linaro.org>,
        Philip Yang <Philip.Yang@amd.com>,
        amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
        linaro-mm-sig@lists.linaro.org, linux-next@vger.kernel.org,
        Nathan Chancellor <nathan@kernel.org>, llvm@lists.linux.dev
References: <YymoZR0jHR7seGyU@debian>
From:   =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>
In-Reply-To: <YymoZR0jHR7seGyU@debian>
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Thanks for pointing this out! It's indeed quite a bug.

Going to send a patch ASAP.

Regards,
Christian.

Am 20.09.22 um 13:47 schrieb Sudip Mukherjee:
> Hi All,
>
> The builds of arm64 allmodconfig with clang failed to build next-20220920
> with the error:
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1190:3: error: variable 'r' is uninitialized when used here [-Werror,-Wuninitialized]
>                  r |= !amdgpu_ttm_tt_get_user_pages_done(bo->tbo.ttm);
>                  ^
> drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c:1171:7: note: initialize the variable 'r' to silence this warning
>          int r;
>               ^
>                = 0
> 1 error generated.
>
>
> git bisect pointed to c2b08e7a6d27 ("drm/amdgpu: move entity selection and job init earlier during CS")
>
> I will be happy to test any patch or provide any extra log if needed.
>
>