On Thu, Dec 17, 2020 at 1:14 PM Klaus Kusche <klaus.kusche@xxxxxxxxxxxxxxx> wrote: > > > Hello, > > On 17/12/2020 16:17, Alex Deucher wrote: > > On Thu, Dec 17, 2020 at 10:15 AM Klaus Kusche > > <klaus.kusche@xxxxxxxxxxxxxxx> wrote: > >> With kernel 5.10.x, both the internal notebook display and any external screen > >> become black (or go to the "off" state?) when the kernel boots > >> (one or two seconds after the VGA text console is shown), > >> and the system no longer reacts. > >> > >> 5.9.x is fine. > >> > >> This seems to happen as soon as the amdgpu kernel driver loads/initializes, > >> even in pure text mode (VGA console or framebuffer), without starting X. > >> > >> Dell Precision notebook with > >> AMD Radeon (TM) Pro WX 3200 Series (POLARIS12, DRM 3.39.0, 5.9.15-gentoo, LLVM 11.0.0) (0x6981) > >> > >> Tried all combinations of DC/non-DC, FB/non-FB kernel configurations > >> (even happens when configuring Amdgpu without framebuffer!). > > > > I think this may be the same issue as: > > https://patchwork.freedesktop.org/patch/408230/ > > Does the patch there help? It's already on it's way upstream. > The patch fixes it. 5.10.1 works fine for me now. > > Will 5.10.2 contain the patch or shall I skip 5.10.2 ? Not sure. Depends how soon the patch makes it into stable. If not .2, then hopefully .3. Alex > > -- > Prof. Dr. Klaus Kusche > Private address: Rosenberg 41, 07546 Gera, Germany > +49 365 20413058 klaus.kusche@xxxxxxxxxxxxxxx https://www.computerix.info > Office address: DHGE Gera, Weg der Freundschaft 4, 07546 Gera, Germany > +49 365 4341 306 klaus.kusche@xxxxxxx https://www.dhge.de _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
