Public bug reported:
Hi!
I have Intel i5-11400 CPU connected to LG 27GN880-B via DP 1.2 on my
motherboard.
After install linux-oem-20.04-edge package my internal CPU graphics was
detected and autoset correct resolution for my monitor(2560x1440), but I can't
set refresh rate more then 60Hz.
Another issue with CPU graphic is tearing.
xrandr output:
Screen 0: minimum 320 x 200, current 4096 x 2304, maximum 16384 x 16384
DP-1 connected primary 4096x2304+0+0 (normal left inverted right x axis y axis)
597mm x 336mm
2560x1440 59.95*
1920x1080 74.98 60.00 60.00 50.00 59.94
1680x1050 59.95
1600x900 60.00
1280x1024 75.02 60.02
1280x800 59.81
1152x864 59.97
1280x720 60.00 50.00 59.94
1024x768 75.03 60.00
800x600 75.00 60.32
720x480 60.00 59.94
640x480 75.00 60.00 59.94
HDMI-1 disconnected (normal left inverted right x axis y axis)
HDMI-2 disconnected (normal left inverted right x axis y axis)
inxi output:
System: Host: ubuntu Kernel: 5.10.0-1021-oem x86_64 bits: 64 compiler: N/A
Desktop: Gnome 3.36.7 wm: gnome-shell
dm: GDM3 3.36.3 Distro: Ubuntu 20.04.2 LTS (Focal Fossa)
CPU: Topology: 6-Core model: 11th Gen Intel Core i5-11400 bits: 64 type:
MT MCP arch: N/A L2 cache: 12.0 MiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
bogomips: 62208
Speed: 4395 MHz min/max: 800/4400 MHz Core speeds (MHz): 1: 919 2:
1033 3: 800 4: 800 5: 821 6: 1920 7: 800 8: 800
9: 800 10: 800 11: 800 12: 801
Graphics: Device-1: Intel vendor: Gigabyte driver: i915 v: kernel bus ID:
00:02.0 chip ID: 8086:4c8b
Display: x11 server: X.Org 1.20.9 driver:
amdgpu,ati,fbdev,intel,modesetting,nouveau,radeon,vesa,vmware
compositor: gnome-shell resolution: 2560x1440~60Hz
OpenGL: renderer: Mesa Intel Graphics (RKL GT1) v: 4.6 Mesa 20.2.6
direct render: Yes
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-oem-20.04-edge 5.10.0.1021.22
ProcVersionSignature: Ubuntu 5.10.0-1021.22-oem 5.10.25
Uname: Linux 5.10.0-1021-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr 15 11:21:41 2021
InstallationDate: Installed on 2018-06-13 (1036 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
SourcePackage: linux-meta-oem-5.10
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: linux-meta-oem-5.10 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1924240
Title:
RKL Intel GPU Graphic tearing
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