linux-kernel - first bad commit: [fc8c70526bd30733ea8667adb8b8ffebea30a8ed] drm/radeon: Prefer lower feedback dividers

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Message-ID: <20200912084255.GB4827@zn.tnic>
Date:   Sat, 12 Sep 2020 10:42:55 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Kai-Heng Feng <kai.heng.feng@...onical.com>
Cc:     Christian König <christian.koenig@....com>,
        Alex Deucher <alexander.deucher@....com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: first bad commit: [fc8c70526bd30733ea8667adb8b8ffebea30a8ed]
 drm/radeon: Prefer lower feedback dividers

Hi,

this patch breaks X on my box - it is fully responsive and I can log in
into it from another machine but both monitors are black and show this:

"The current input timing is not supported by the monitor display. Please

change your input timing to 1920x1200@...z or any other monitor

listed timing as per the monitor specifications."

Reverting it fixes the issue.

Thx.

-- 
Regards/Gruss,
    Boris.

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