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Date:   Tue, 15 Dec 2020 16:56:22 +0100
From:   Borislav Petkov <>
To:     Rodrigo Siqueira <>
Cc:     Chiawen Huang <>,
        Tony Cheng <>,
        Alex Deucher <>,,
Subject: Re: 8353d30e747f ("drm/amd/display: disable stream if pixel clock
 changed with link active")

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:

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:

$ /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,

Lemme know.



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