On Thu, May 7, 2020 at 3:36 PM D Marinus <dmarinus@xxxxxxx> wrote: > > Hi! > > Since I've updated the linux kernel to 5.6 my builtin display of my > Apple Macbook Pro 13,3 is blank. The following bug reports have been > opened: > > https://github.com/Dunedan/mbp-2016-linux/issues/142 > https://bugzilla.kernel.org/show_bug.cgi?id=207589 > https://bugzilla.redhat.com/show_bug.cgi?id=1829174 > > > xrandr gives the following message > xrandr: Output eDP is not disconnected but has no modes > > the /sys/kernel/debug/vgaswitcheroo/switch entry is missing > > lspci gives: > 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. > [AMD/ATI] Baffin [Radeon RX 460/560D / Pro > 450/455/460/555/555X/560/560X] (rev ef) > > Any thoughts on the cause or fix? What would be helpful information? Macs handle hybrid graphics differently than other systems. Maybe some change related to the mac mux driver? A bisection would be helpful. Alex _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx
