backport the patches from https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/460 doesn't help.
--- * d5016e5b61f96496f9b31d14eae16f5f0148b748 (HEAD -> backport-7-patches-from-Łukasz-sync_present_to_slave_outputs) Remove unused function ms_covering_xf86_crtc() * d892481c2a3d67462f6d2c0d762c43b63cdcd45c xserver/output: rename some badly named variables/APIs. * 1fb0dc09a60e97306088d75fefeed17a39e622ea (master) modesetting: Remove few common functions from ms namespace * a1f28e05d602f5cde825111ca0654311c2aba73b modesetting: remove unnecessary ms_covering_xf86_crtc dup of ms_covering_randr_crtc * d1b3204d1f1357426864c5125bf2ff8b84827d23 modesetting: Find crtc on secondary outputs as fallback instead of returning primary crtc * 028688ba6dc50fbc6430812c608f69912e4196d4 randr: Fix link errors after previous commit * 327441e28fa50fef18c0d15f377e61479fa956a4 present: fix msc offset calculation in screen mode * 8477111ac5e3dee4066efc689d4507fa1b245900 present: Use crtc's screen present operation for syncing * c271560a66d1d0a36dd7b784e75822ee00acc216 modesetting: Initialize present extension despite glamor is disabled * 9f5b6b400462dd5b979c40361c4fcb35d08f9dd1 apt source xserver-xorg-core -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1923153 Title: Display output laggy from iGPU when operating on desktop with attaching AMD R7 430 graphic (dGPU) Status in OEM Priority Project: Confirmed Status in xserver-xorg-video-amdgpu package in Ubuntu: New Status in xserver-xorg-video-ati package in Ubuntu: New Bug description: [Steps to reproduce this issue] 1. Install a focal base image 2. Attach an AMD R7 430 graphic as dGPU without connecting any monitor on it. 3. Attach DP monitor on iGPU (no matter the iGPU is Intel(i915), or AMD(amdgpu)). 4. After logging it, the display shows laggy. [Additional information] 1. doesn't see this issue if selecting 'Wayland' ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: xserver-xorg 1:7.7+19ubuntu14 ProcVersionSignature: Ubuntu 5.10.0-1019.20-oem 5.10.18 Uname: Linux 5.10.0-1019-oem x86_64 ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 CasperMD5CheckResult: skip Date: Fri Apr 9 16:23:42 2021 DistUpgraded: Fresh install DistributionChannelDescriptor: # This is the distribution channel descriptor for the OEM CDs # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-stella-focal-amd64-20210324-1458+pc-stella-cmit-focal-amd64+X00 DistroCodename: focal DistroVariant: ubuntu ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Advanced Micro Devices, Inc. [AMD/ATI] Oland [Radeon HD 8570 / R7 240/340 / Radeon 520 OEM] [1002:6611] (rev 87) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Oland [Radeon HD 8570 / R7 240/340 / Radeon 520 OEM] [103c:3375] Advanced Micro Devices, Inc. [AMD/ATI] Renoir [1002:1636] (rev da) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Renoir [103c:872b] InstallationDate: Installed on 2021-04-09 (0 days ago) InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20210324-23:53 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.10.0-1019-oem root=UUID=027c2398-aef7-43d2-a339-6a2163287914 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/30/2020 dmi.bios.release: 2.0 dmi.bios.vendor: HP dmi.bios.version: S09 Ver. 02.02.00 dmi.board.name: 872B dmi.board.vendor: HP dmi.board.version: KBC Version 09.94.00 dmi.chassis.type: 3 dmi.chassis.vendor: HP dmi.ec.firmware.release: 9.148 dmi.modalias: dmi:bvnHP:bvrS09Ver.02.02.00:bd12/30/2020:br2.0:efr9.148:svnHP:pn:pvr:rvnHP:rn872B:rvrKBCVersion09.94.00:cvnHP:ct3:cvr: dmi.product.family: 103C_53307F HP EliteDesk dmi.sys.vendor: HP version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200226-1 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1 To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1923153/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
