RE: bf756fb833cb ("drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend")

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[AMD Official Use Only]

Thanks Boris.
There is another thing which needs your help.
The change of bf756fb833cb was introduced to fix the bug below:
"some hangs observed on suspending when UVD/VCE still using".

So, I need your help to confirm the last two patches(I sent you) do not affect the fix for the bug above.
Please follow the steps below to verify it:
1. Launch a video playing
2. open another terminal and issue "sudo pm-suspend" command to force suspending
3. verify the system can suspend and resume back correctly without errors or hangs

BR
Evan
> -----Original Message-----
> From: Borislav Petkov <bp@xxxxxxxxx>
> Sent: Tuesday, October 12, 2021 1:09 AM
> To: Quan, Evan <Evan.Quan@xxxxxxx>
> Cc: Alex Deucher <alexdeucher@xxxxxxxxx>; amd-gfx list <amd-
> gfx@xxxxxxxxxxxxxxxxxxxxx>; LKML <linux-kernel@xxxxxxxxxxxxxxx>; Deucher,
> Alexander <Alexander.Deucher@xxxxxxx>; Pan, Xinhui
> <Xinhui.Pan@xxxxxxx>; Chen, Guchun <Guchun.Chen@xxxxxxx>
> Subject: Re: bf756fb833cb ("drm/amdgpu: add missing cleanups for Polaris12
> UVD/VCE on suspend")
> 
> On Mon, Oct 11, 2021 at 08:03:51AM +0000, Quan, Evan wrote:
> > OK... Then forget about previous patches. Let's try to narrow down the
> > issue first. Please try the attached patch1 first. If it works,
> 
> It does.
> 
> > please undo the changes of patch1 and try patch2 to narrow down further.
> 
> It does too.
> 
> :-)
> 
> Thx.
> 
> --
> Regards/Gruss,
>     Boris.
> 
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