** Changed in: gnome-settings-daemon
Status: Unknown => New
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https://bugs.launchpad.net/bugs/1790861
Title:
amdgpu.dc dual monitor issues when trying to sleep / power off the
** Changed in: linux
Status: Unknown => New
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Title:
amdgpu.dc dual monitor issues when trying to sleep / power off the
monitors
To
I have a similar problem with my device HP 15s-eq0355ng with AMD Ryzen 5 3500U
with Radeon Vega Mobile Gfx.
xubuntu 20.04 , kernel 5.11.0-40
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** Bug watch added: gitlab.freedesktop.org/drm/amd/-/issues #662
https://gitlab.freedesktop.org/drm/amd/-/issues/662
** Also affects: linux via
https://gitlab.freedesktop.org/drm/amd/-/issues/662
Importance: Unknown
Status: Unknown
** Bug watch added:
With amdgpu.dc=0 I get random mouse lag after moving my mouse quickly.
The cursor will just stop moving. I turned amdgpu.dc=1 and it went away.
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I am using one displayport 4k monitor, and one hdmi 1080p monitor. They
keep waking each other up. When I used an adapter to make the 1080p
monitor connect via a displayport > hdmi adapter, they both just output
black when trying to sleep and cannot be woken up. They are still
outputting black,
I am having the same issue on my rx570, I am on kernel 5.1.21
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Title:
amdgpu.dc dual monitor issues when trying to sleep / power off the
** Tags added: cscc
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Title:
amdgpu.dc dual monitor issues when trying to sleep / power off the
monitors
To manage notifications about this
I've filed a bug report.
(https://bugs.freedesktop.org/show_bug.cgi?id=109246)
** Bug watch added: freedesktop.org Bugzilla #109246
https://bugs.freedesktop.org/show_bug.cgi?id=109246
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Please file an upstream bug at https://bugs.freedesktop.org/
Product: DRI
Component: DRM/amdgpu
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Title:
amdgpu.dc dual monitor issues when
I've since tested Linux v5.0-rc1 (https://kernel.ubuntu.com/~kernel-
ppa/mainline/v5.0-rc1/) and the issue still hasn't been fixed.
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Title:
I'm using an RX 480 and also have the same problem on kernels 4.18 and
4.20 (tested using 4.20.0-042000 from https://kernel.ubuntu.com/~kernel-
ppa/mainline/v4.20/). Adding "amdgpu.dc=0" to GRUB fixes the problem in
both cases.
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Same problem here with kernel 4.19 and 4.18, rx580 and vega 8 (ryzen
2200G).
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Title:
amdgpu.dc dual monitor issues when trying to sleep / power
Did the test on 4.19.0-041900rc2-generic, issue is still there.
** Tags added: bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.19
apport information
** Tags added: apport-collected cosmic
** Description changed:
I have a problem with my dual monitor setup on an AMD RX 580: when I lock the
screen and Gnome try to power off both monitors the following happens:
1) the second monitor goes to sleep before the first one,
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