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Date:   Fri, 23 Sep 2022 14:41:37 -0400
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Subject: Re: [REGRESSION] Graphical issues on Lenovo Yoga 7 14ARB7 laptop
 since v6.0-rc1 (bisected)
Content-Language: en-US
To:     August Wikerfors <git@augustwikerfors.se>,
        Alex Deucher <alexdeucher@gmail.com>
Cc:     Thorsten Leemhuis <regressions@leemhuis.info>,
        Harry Wentland <harry.wentland@amd.com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
        regressions@lists.linux.dev
References: <c1f8886a-5624-8f49-31b1-e42b6d20dcf5@augustwikerfors.se>
 <eee82fb8-0fc5-98cb-e630-f86891574f21@leemhuis.info>
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 <33cf5071-3157-a3c2-3252-3a8ab926c60d@augustwikerfors.se>
From:   Leo Li <sunpeng.li@amd.com>
In-Reply-To: <33cf5071-3157-a3c2-3252-3a8ab926c60d@augustwikerfors.se>
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Hi August,

Can you provide a dmesg log with drm.debug=0x16 enabled in kernel cmdline?

I wasn't aware that there are currently psr su edp panel + rembrandt apu 
systems out in the wild. In any case, psrsu + rmb should be working, and 
there might something specific to your configuration that's hitting a 
corner case. The dmesg will shed some light.

Thanks
Leo

On 2022-09-22 14:13, August Wikerfors wrote:
> Hi Alex,
> 
> On 2022-09-22 15:59, Alex Deucher wrote:
>> On Thu, Sep 22, 2022 at 8:54 AM Thorsten Leemhuis
>> <regressions@leemhuis.info> wrote:
>>>
>>> Hi, this is your Linux kernel regression tracker. Top-posting for once,
>>> to make this easily accessible to everyone.
>>>
>>> @amdgpu developers, what up here? August afaics didn't even get a single
>>> reply for his report that even identifies the change that's causing the
>>> problem. We're already late in the development cycle, so it would be
>>> good if someone could take a closer look into this before it's too late
>>> for 6.0.
>>
>> Been a busy week.  Haven't had a chance to look into this yet.  Does
>> the issue still happen with this patch:
>> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.git%2Fcommit%2F%3Fid%3D66f99628eb24409cb8feb5061f78283c8b65f820&amp;data=05%7C01%7Csunpeng.li%40amd.com%7Cb3457b7e83df4b2c7d4308da9cc63280%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637994672320000021%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=a0EMjX6L13FaQU0mqxp5vO9vRe0BEDBDJ5emOdCj8gY%3D&amp;reserved=0
> Yes, the issue still happens with that patch, and also with the current 
> git master (dc164f4fb00a0abebdfff132f8bc7291a28f5401).
> 
> Regards,
> August Wikerfors