https://bugs.freedesktop.org/show_bug.cgi?id=103317
Bug ID: 103317
Summary: Tearing in WQHD, but not in FHD
Product: DRI
Version: unspecified
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: torke...@gmail.com
Created attachment 134888
--> https://bugs.freedesktop.org/attachment.cgi?id=134888&action=edit
X server log
Hi all,
I'm using Arch Linux with kernel 4.13.5-1-ARCH, Xorg 1.19.5 and the amdgpu
driver, version 1.4. My GPU is a R9 390. I attached the X server log.
My window manager is i3.
Entries in xorg.conf.d:
20-amdgpu.conf
Section "Device"
Identifier "AMD R9 390"
Driver "amdgpu"
Option "DRI" "3"
Option "TearFree" "true"
EndSection
With this setup I experience screen tearing and flickering on a WQHD monitor.
Enabling a compositor like compton makes these effects worse.
I can reproduce this issue on the same machine with KDE instead of i3.
To give you an idea of my problem, I captured a scene from the RTS 0ad:
https://youtu.be/ZhjPpB7djyk
The same kind of flickering and tearing also happens in desktop mode. It seems
to appear randomly.
However, the problem disappears when I'm using the radeonsi driver or changing
the resolution to FHD. In both cases everything is fine.
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