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Date:   Tue, 18 Oct 2022 08:52:50 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Shuah Khan <skhan@linuxfoundation.org>
Cc:     sashal@kernel.org, alexander.deucher@amd.com,
        linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH] Revert "drm/amdgpu: move nbio sdma_doorbell_range() into
 sdma code for vega"
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References: <20221018010746.603662-1-skhan@linuxfoundation.org>
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On Mon, Oct 17, 2022 at 07:07:45PM -0600, Shuah Khan wrote:
> This reverts commit 9f55f36f749a7608eeef57d7d72991a9bd557341.
> 
> This commit causes repeated WARN_ONs from
> 
> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amd
> gpu_dm.c:7391 amdgpu_dm_atomic_commit_tail+0x23b9/0x2430 [amdgpu]
> 
> dmesg fills up with the following messages and drm initialization takes
> a very long time.
> 
> Cc: <stable@vger.kernel.org>    # 5.10
> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
> ---
>  drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c |  5 -----
>  drivers/gpu/drm/amd/amdgpu/soc15.c     | 25 +++++++++++++++++++++++++
>  2 files changed, 25 insertions(+), 5 deletions(-)

Both reverts now queued up, thanks.

greg k-h