* [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
@ 2017-06-19 20:49 bugzilla-daemon
2017-06-19 21:23 ` [Bug 196125] " bugzilla-daemon
` (6 more replies)
0 siblings, 7 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-06-19 20:49 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
Bug ID: 196125
Summary: [Regression] AMD Radeon RX 480 flickering on HDMI port
with Linux 4.11.4
Product: Drivers
Version: 2.5
Kernel Version: 4.11.4
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
Assignee: drivers_video-dri@kernel-bugs.osdl.org
Reporter: contact@florentflament.com
Regression: No
Using a Sapphire AMD Radeon RX 480 Graphic Card with the amdgpu driver. Since a
Linux Kernel upgrade from 4.10.6 to 4.11.4, I'm experiencing screen flickering
(full black or white screen blinking) when the picture on the screen in
changing (video, moving windows). There is no flickering when displaying a
static picture. The flickering occurs when the screen (with a DVI connector) is
connected to the Graphic Card's HDMI port. There is no flickering when the
screen is plugged to one of the Radeon's Display ports (with a HDMI to Display
port adapter). This flickering didn't occur with Kernel 4.10.6.
$ cat /etc/fedora-release
Fedora release 25 (Twenty Five)
$ uname -a
Linux amn 4.11.4-200.fc25.x86_64 #1 SMP Wed Jun 7 18:28:00 UTC 2017 x86_64
x86_64 x86_64 GNU/Linux
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^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug 196125] [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
2017-06-19 20:49 [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4 bugzilla-daemon
@ 2017-06-19 21:23 ` bugzilla-daemon
2017-06-20 6:56 ` bugzilla-daemon
` (5 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-06-19 21:23 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
Alex Deucher (alexdeucher@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |alexdeucher@gmail.com
--- Comment #1 from Alex Deucher (alexdeucher@gmail.com) ---
Can you bisect? Please attach your xorg log and dmesg output.
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* [Bug 196125] [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
2017-06-19 20:49 [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4 bugzilla-daemon
2017-06-19 21:23 ` [Bug 196125] " bugzilla-daemon
@ 2017-06-20 6:56 ` bugzilla-daemon
2017-06-20 7:02 ` bugzilla-daemon
` (4 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-06-20 6:56 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
--- Comment #2 from contact@florentflament.com ---
Created attachment 257079
--> https://bugzilla.kernel.org/attachment.cgi?id=257079&action=edit
dmesg output
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* [Bug 196125] [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
2017-06-19 20:49 [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4 bugzilla-daemon
2017-06-19 21:23 ` [Bug 196125] " bugzilla-daemon
2017-06-20 6:56 ` bugzilla-daemon
@ 2017-06-20 7:02 ` bugzilla-daemon
2017-06-20 7:04 ` bugzilla-daemon
` (3 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-06-20 7:02 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
--- Comment #3 from contact@florentflament.com ---
I just figured out that the flickering occurs only when logging using Wayland.
When using xorg, there is no flickering (I attached xorg log files in case it
may be useful). I'll attach Wayland log files as soon as I find them (please
point me to them if you know where they are). And I'll try to bisect soon.
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^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug 196125] [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
2017-06-19 20:49 [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4 bugzilla-daemon
` (2 preceding siblings ...)
2017-06-20 7:02 ` bugzilla-daemon
@ 2017-06-20 7:04 ` bugzilla-daemon
2017-08-08 20:06 ` bugzilla-daemon
` (2 subsequent siblings)
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-06-20 7:04 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
--- Comment #4 from contact@florentflament.com ---
Created attachment 257081
--> https://bugzilla.kernel.org/attachment.cgi?id=257081&action=edit
Xorg log file
Please note that the flickering doesn't occur when using xorg.
This file is just there to provide additional information.
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^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug 196125] [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
2017-06-19 20:49 [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4 bugzilla-daemon
` (3 preceding siblings ...)
2017-06-20 7:04 ` bugzilla-daemon
@ 2017-08-08 20:06 ` bugzilla-daemon
2017-08-08 20:23 ` bugzilla-daemon
2017-10-13 22:28 ` bugzilla-daemon
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-08-08 20:06 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
Peter Spiess-Knafl (psk@autistici.org) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |psk@autistici.org
--- Comment #5 from Peter Spiess-Knafl (psk@autistici.org) ---
I can confirm this behaviour.
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* [Bug 196125] [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
2017-06-19 20:49 [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4 bugzilla-daemon
` (4 preceding siblings ...)
2017-08-08 20:06 ` bugzilla-daemon
@ 2017-08-08 20:23 ` bugzilla-daemon
2017-10-13 22:28 ` bugzilla-daemon
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-08-08 20:23 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
--- Comment #6 from Peter Spiess-Knafl (psk@autistici.org) ---
Forgot to mention that I am using the displayport connector. So it does not
only affect HDMI.
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^ permalink raw reply [flat|nested] 8+ messages in thread
* [Bug 196125] [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4
2017-06-19 20:49 [Bug 196125] New: [Regression] AMD Radeon RX 480 flickering on HDMI port with Linux 4.11.4 bugzilla-daemon
` (5 preceding siblings ...)
2017-08-08 20:23 ` bugzilla-daemon
@ 2017-10-13 22:28 ` bugzilla-daemon
6 siblings, 0 replies; 8+ messages in thread
From: bugzilla-daemon @ 2017-10-13 22:28 UTC (permalink / raw)
To: dri-devel
https://bugzilla.kernel.org/show_bug.cgi?id=196125
--- Comment #7 from contact@florentflament.com ---
I haven't experienced any flickering for a while (be it with Wayland or Xorg,
one monitor connected to a HDMI port and one another to a DisplayPort). This
seems to have been fixed.
$ cat /etc/fedora-release
Fedora release 26 (Twenty Six)
$ uname -a
Linux amn 4.13.5-200.fc26.x86_64 #1 SMP Thu Oct 5 16:53:13 UTC 2017 x86_64
x86_64 x86_64 GNU/Linux
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