I tried to install hirsute daily build
(495fe189e32d873ba79d7753134c22353ea89e8e6d62498f6c825a5de6a8a4a7) and
didn't see this issue.
but the xorg might have some problems when using hirsute.
here is the result of $ xrandr -d :0 --prop
---
PRIME Synchronization: 0
supported: 0, 1
GAMMA_LUT_SIZE: 4096
range: (0, -1)
DEGAMMA_LUT_SIZE: 4096
range: (0, -1)
GAMMA_LUT: 0
range: (0, 65535)
CTM: 0 1 0 0 0 0 0 0 0 1 0 0 0 0 0 0
0 1
DEGAMMA_LUT: 0
range: (0, 65535)
TearFree: auto
supported: off, on, auto
subconnector: HDMI
supported: Unknown, VGA, DVI-D, HDMI, DP, Wireless, Native
HDCP Content Type: HDCP Type0
supported: HDCP Type0, HDCP Type1
Content Protection: Undesired
supported: Undesired, Desired, Enabled
vrr_capable: 0
range: (0, 1)
max bpc: 8
range: (8, 16)
underscan vborder: 0
range: (0, 128)
underscan hborder: 0
range: (0, 128)
underscan: off
supported: off, on, auto
scaling mode: None
supported: None, Full, Center, Full aspect
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 80
supported: 80
non-desktop: 0
range: (0, 1)
---
When issuing the same command on hirsute daily build, it shows
---
non-desktop: 0
range: (0, 1)
---
only.
Tried packages from
https://launchpad.net/~oibaf/+archive/ubuntu/graphics-drivers doesn't help.
** Tags added: oem-priority originate-from-1916427 stella
** Changed in: oem-priority
Assignee: (unassigned) => jeremyszu (os369510)
** Changed in: oem-priority
Importance: Undecided => Critical
** Changed in: oem-priority
Status: New => Confirmed
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1923153
Title:
Display output laggy from iGPU when operating on desktop with
attaching AMD R7 430 graphic (dGPU)
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