-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 2020-06-23 2:23 a.m., Qu Wenruo wrote: > Hi guys, > > Firstly thanks for the awesome renoir CPUs. > > However it looks like there are still some bugs in the Linux > support, especially with external monitors. > > My setup: - Laptop: Lenovo IdeaPad S540 13ARE (Or, Xiaoxin Pro 13 > in Chinese market) 4800U CPU, with 5.7.4 Arch kernel. (Also tried > 5.8-rc kernels, even more crashes) The eDP display is 2560x1600 > natively, but to cooperate with external monitors, it's set to > 1920x1200. And under my daily usage, the lid is closed, thus the > eDP display shouldn't be involved. > > - Two external monitors connected using USB-c dock The dock is HP > usb-c dock G4, which uses DP alt mode MST for external displays. So > not DisplayLink garbage, and all monitors are handled by Vega > internal GPU. > > Both external displays are 1080P 60hz, so definitely inside the > spec for DP 1.2. > > - X11 environment xf86-video-amdgpu, along with mesa stack. > > With such setup, the kernel boots with warning already related to > DP MST: https://paste.opensuse.org/54293967 See https://gitlab.freedesktop.org/drm/amd/-/issues/1108 . - -- Earthling Michel Dänzer | https://redhat.com Libre software enthusiast | Mesa and X developer -----BEGIN PGP SIGNATURE----- iF0EARECAB0WIQSwn681vpFFIZgJURRaga+OatuyAAUCXvG7xQAKCRBaga+Oatuy AB1/AJ9T5X1/jGCEHH+rG+o62VllX8YyyQCeNS5Dw1ah2QowPtCZPhP+qPuX/V4= =KZpa -----END PGP SIGNATURE----- _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx