Public bug reported: [ Impact ]
* On AMD platform with Nvidia dGPU, if the iGPU is not VGA compatible. and pci order is later than NV * The system will select Nvidia as the primary GPU, which is wrong on AMD platform. [ Test Plan ] * On AMD (StrixPoint or KrakanPoint) platform with Nvidia dGPU * Check the renderer by $ xrandr -display <display name> --listproviders * Provider 0 should be AMD graphic [ Where problems could occur ] * If Nvidia dGPU is VGA compatible and the boot_vga is set, the system still select Nvidia as the primary GPU. * If the platform AMD graphic card acpi companion is not configured in the BIOS, the system still select Nvidia as the primary GPU. [ Other Info ] * Upstream MP: https://gitlab.freedesktop.org/xorg/lib/libpciaccess/-/merge_requests/37 ** Affects: oem-priority Importance: Undecided Status: New ** Affects: libpciaccess (Ubuntu) Importance: Undecided Status: New ** Tags: jira-somerville-2213 oem-priority ** Tags added: jira-somerville-2213 oem-priority -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libpciaccess in Ubuntu. https://bugs.launchpad.net/bugs/2111684 Title: [SRU] Xorg AMD platform A + N config selected wrong primary GPU To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/2111684/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
