[Bug 96326] Heavy screen flickering in OpenGL apps on R9 390

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96326

--- Comment #6 from Jan Ziak <0xe2.0x9a.0x9b at gmail.com> ---
(In reply to Alex Deucher from comment #3)
> Please attach your xorg log and dmesg output.

Upstream Linux kernel does not support variable mclk on R9 390. I enabled
variable mclk by patching some code in drivers/gpu/drm/amd/amdgpu/ (mostly
ci_dpm.c).

dmesg output contains some logging messages I added to my copy of Linux kernel
source code.

> What resolution and refresh rate are you using on your monitor?

1920x1080 60Hz

> Also are you using radeon or amdgpu?

Currently amdgpu.ko, radeon.ko in the past.

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