linux-kernel - Re: 8353d30e747f ("drm/amd/display: disable stream if pixel clock changed with link active")

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Date:   Tue, 15 Dec 2020 11:07:20 -0500
From:   Rodrigo Siqueira <Rodrigo.Siqueira@....com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     Chiawen Huang <chiawen.huang@....com>,
        Tony Cheng <Tony.Cheng@....com>,
        Alex Deucher <alexander.deucher@....com>,
        amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: 8353d30e747f ("drm/amd/display: disable stream if pixel clock
 changed with link active")

Hi,

Could you try on Alex's repo?

 git://people.freedesktop.org/~agd5f/linux
 branch: amd-staging-drm-next

My patch should apply without any issue on top of this branch.

Thanks

On 12/15, Borislav Petkov wrote:
> On Tue, Dec 15, 2020 at 10:47:03AM -0500, Rodrigo Siqueira wrote:
> > Hi Boris,
> > 
> > Could you check if your branch has this commit:
> > 
> >  drm/amd/display: Fix module load hangs when connected to an eDP
> > 
> > If so, could you try this patch:
> > 
> >  https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpatchwork.freedesktop.org%2Fseries%2F84965%2F&amp;data=04%7C01%7CRodrigo.Siqueira%40amd.com%7C1f7ff595746543f597a708d8a111fbdd%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637436445910587407%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=PESE3uBZeNjdWtIFRP6l07AyfhASpXCfaZa03l%2FFi6s%3D&amp;reserved=0
> 
> So I did a bisection between
> 
> git bisect start
> # bad: [3650b228f83adda7e5ee532e2b90429c03f7b9ec] Linux 5.10-rc1
> git bisect bad 3650b228f83adda7e5ee532e2b90429c03f7b9ec
> # good: [bbf5c979011a099af5dc76498918ed7df445635b] Linux 5.9
> 
> and the patch in $Subject came in in 5.10-rc1.
> 
> I can test any tree you want me to so just tell me on which tree to
> apply this patch and I'll run it.
> 
> In any case, it doesn't apply on v5.10 though:
> 
> $ test-apply.sh /tmp/rodrigo.siqueira 
> checking file drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
> Hunk #1 FAILED at 120
> 
> You can push a tree of yours somewhere which I can try directly,
> alternatively.
> 
> Lemme know.
> 
> Thx.
> 
> -- 
> Regards/Gruss,
>     Boris.
> 
> https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpeople.kernel.org%2Ftglx%2Fnotes-about-netiquette&amp;data=04%7C01%7CRodrigo.Siqueira%40amd.com%7C1f7ff595746543f597a708d8a111fbdd%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637436445910587407%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=kiGm0%2B2d2nXiEwUs0omOYv3ZtyfwTtoD9OhrT59Dv5c%3D&amp;reserved=0

-- 
Rodrigo Siqueira
https://siqueira.tech

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