From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 199319] New: Flickering screen on AMDGPU and DC with Linux 4.16-2
Date: Sun, 08 Apr 2018 09:10:11 +0000 [thread overview]
Message-ID: <bug-199319-2300@https.bugzilla.kernel.org/> (raw)
https://bugzilla.kernel.org/show_bug.cgi?id=199319
Bug ID: 199319
Summary: Flickering screen on AMDGPU and DC with Linux 4.16-2
Product: Drivers
Version: 2.5
Kernel Version: Linux 4.16
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: mail@rainer-finke.de
Regression: No
Description: I upgraded to Linux 4.16-2 from the Arch Linux testing repository,
but since then the screen is flickering with my RX480 and AMDGPU.DC enabled.
The flickering is visible especially on Plasma-Wayland as soon as I move the
mouse, it is like a bright flickering, not like a graphical corruption. On SDDM
or Plasma X11 the flickering is much less frequent, but even there the screen
flickers from time to time. I use a 4K display connected via DisplayPort.
A downgrade to Linux 4.15 stable solved this even tough AMDGPU.DC is enabled as
well.
I couldn't reproduce the same issue with my AMD Ryzen 5 2500U Vega APU
(1920x1080), so the issue might be related to the RX480 or 4K.
Additional info:
* Linux 4.16-2 from Arch Linux testing
* AMDGPU.DC=1 (kernel parameter)
* 4K display DisplayPort
Steps to reproduce:
1. Ugrade to Linux 4.16.2 with AMDGPU.DC enabled on a RX480
2. Screen is flickering when moving the mouse
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next reply other threads:[~2018-04-08 9:10 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-08 9:10 bugzilla-daemon [this message]
2018-04-08 9:21 ` [Bug 199319] Flickering screen on AMDGPU and DC with Linux 4.16-2 bugzilla-daemon
2018-04-08 13:11 ` bugzilla-daemon
2018-04-08 17:01 ` bugzilla-daemon
2018-04-08 20:23 ` bugzilla-daemon
2018-04-08 20:32 ` bugzilla-daemon
2018-04-09 7:50 ` bugzilla-daemon
2018-04-09 8:02 ` bugzilla-daemon
2018-04-09 9:26 ` bugzilla-daemon
2018-04-09 11:21 ` bugzilla-daemon
2018-04-09 11:24 ` bugzilla-daemon
2018-04-09 15:59 ` bugzilla-daemon
2018-04-10 12:48 ` bugzilla-daemon
2018-04-10 13:00 ` bugzilla-daemon
2018-04-10 18:56 ` bugzilla-daemon
2018-04-14 14:18 ` bugzilla-daemon
2018-04-17 18:11 ` bugzilla-daemon
2018-04-18 11:51 ` bugzilla-daemon
2018-04-18 17:00 ` bugzilla-daemon
2018-04-18 18:14 ` bugzilla-daemon
2018-04-23 14:37 ` bugzilla-daemon
2018-12-12 16:46 ` bugzilla-daemon
2018-12-12 16:47 ` bugzilla-daemon
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