[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

Martin Peres  changed:

   What|Removed |Added

 Resolution|--- |MOVED
 Status|NEW |RESOLVED

--- Comment #12 from Martin Peres  ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-ati/issues/87.

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #11 from Jan Vlug  ---
This issue seems to be manifest for a whole range of AMD Radeon GPUs under
Gnome on Wayland after resume from suspend.

See: https://bugs.freedesktop.org/show_bug.cgi?id=105729

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

Jan Vlug  changed:

   What|Removed |Added

   See Also||https://bugs.freedesktop.or
   ||g/show_bug.cgi?id=105729

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #10 from Hadrien Lacour  ---
It's worthy to say that "high" does flicker too, it just seems more rare.

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #9 from Hadrien Lacour  ---
It seems worthy to say that "high" does flicker too (it just seems more rare).

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #8 from Hadrien Lacour  ---
Hello, another one experiencing it here (nothing in Xorg.0.log or dmesg).

uname -a: Linux gentoo 4.14.8-gentoo #1 SMP Wed Dec 20 20:09:58 CET 2017 x86_64
AMD FX(tm)-8350 Eight-Core Processor AuthenticAMD GNU/Linux
GPU: VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Ellesmere [Radeon RX 470/480] (rev e7)
Xorg: 1.19.5
Xorg.conf.d: default amdgpu settings
Mesa: 17.3

Setting /sys/class/drm/card0/device/power_dpm_force_performance_level to high
or low does fix it.

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #7 from ze...@teknik.io ---
> It seems there is a problem with powersafe:
> 
> With auto:
> echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level
> 
> you will see heavy screen flickering on higher display resolutions (2560 x
> 1440). It's ok with 1920x1200.
> 
> With low or high:
> echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level or
> echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level
> 
> there is no screen flickering with all display resolutions.
> 
> hardware:
> 
> 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> Curacao XT / Trinidad XT [Radeon R7 370 / R9 270X/370X]
> 
> Kernel: mainline 4.7.0-rc7 
> 
> Drivers:
> x11-drivers/xf86-video-ati-7.7.0
> media-libs/mesa-12.0.1 (with radeon and radeonsi enabled)
> x11-base/xorg-server-1.18.3

(In reply to peter.garba from comment #5)

Can confirm. Tho I have flickering even with 1920x1080.

Linux 4.11.7-1-ARCH, 
Vendor: X.Org (0x1002)
Device: AMD TAHITI (DRM 2.49.0 / 4.11.7-1-ARCH, LLVM 4.0.1) (0x6798)
Version: 17.1.4
Accelerated: yes
Video memory: 3072MB
Unified memory: no
Preferred profile: core (0x1)
Max core profile version: 4.5
Max compat profile version: 3.0
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.1

OpenGL version string: 3.0 Mesa 17.1.4

[ 4.336] (II) Module radeon: vendor="X.Org Foundation"
[ 4.336]compiled for 1.19.3, module version = 7.9.0

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #6 from Pekka Vuorela  ---
(In reply to peter.garba from comment #5)
> It seems there is a problem with powersafe:
> 
> With auto:
> echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level
> 
> you will see heavy screen flickering on higher display resolutions (2560 x
> 1440). It's ok with 1920x1200.
> 
> With low or high:
> echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level or
> echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level
> 
> there is no screen flickering with all display resolutions.

This. Was almost ready to throw R9 270x I bought out of the window as unusable
until tested above.

Ubuntu 17.04, kernel 4.10.0, xserver-org-video-radeon/ati 7.9.0, mesa 17.0.3
etc.

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #5 from peter.ga...@gemalto.com ---
It seems there is a problem with powersafe:

With auto:
echo auto > /sys/class/drm/card0/device/power_dpm_force_performance_level

you will see heavy screen flickering on higher display resolutions (2560 x
1440). It's ok with 1920x1200.

With low or high:
echo low > /sys/class/drm/card0/device/power_dpm_force_performance_level or
echo high > /sys/class/drm/card0/device/power_dpm_force_performance_level

there is no screen flickering with all display resolutions.

hardware:

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Curacao XT / Trinidad XT [Radeon R7 370 / R9 270X/370X]

Kernel: mainline 4.7.0-rc7 

Drivers:
x11-drivers/xf86-video-ati-7.7.0
media-libs/mesa-12.0.1 (with radeon and radeonsi enabled)
x11-base/xorg-server-1.18.3

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #1 from Marek Olšák mar...@gmail.com ---
Can you test the master branch of the Linux kernel? There are some new fixes.

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #2 from Ivan Bulatovic combus...@archlinux.us ---
Sure thing, but this will be hard to bisect (at least it would take a lot of
time) because I can't reproduce it on my own.

I've done  a little research about this issue, it seems that this is caused by
a bug in VBIOS:

http://forums.amd.com/game/messageview.cfm?catid=440threadid=169203

I have no intention of flashing my Sapphire Dual-X R9 270X with a BIOS from a
site that doesn't belong to OEM of my card :)

I'll contact Sapphire about this also, but in the meantime I'll test with the
current mainline, also itchy to test the performance with the latest drm code
pushed.

Thank you Marek, I'll report back with some new info...

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #3 from Marek Olšák mar...@gmail.com ---
I think I used to have the same problem as you, but it seems to be fixed now.

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[Bug 73116] [R9 270x] Intermittent flickering of entire screen

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=73116

--- Comment #4 from Ivan Bulatovic combus...@archlinux.us ---
Running the latest mainline and this bug is not resolved, I still have
flickering (watching youtube, starting an application like thunar) but it seems
random and there is no particular trigger for it.

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