https://bugs.freedesktop.org/show_bug.cgi?id=110674
--- Comment #102 from Tom B <t...@r.je> ---
> Grasping at straws a bit here, but it occurred to me that maybe Linux kernel
> testing on Radeon VII was done on an early VBIOS that didn't have full UEFI
> support yet. We know that AMD had to issue a VBIOS update for Radeon VII to
> fix UEFI support shortly after the launch. So maybe enabling the CSM/Legacy
> Support in the BIOS, which does impact early GPU initialization, might have
> some effect on the multimonitor problem? Something I plan to test, but I
> wanted to share the idea in case someone else has a chance first.
I had already tried that unfortunately, I tried the following BIOS options:
CSM on/off
IOMMU on/of
PCIE speed 16x/4x (the only options my motherboard allowed for some reason)
Having said that, I didn't try booting using grub in BIOS mode as I didn't
want to change my partition table, so it's possible that although I had used
CSM, it was only legacy support and still booting in UEFI mode.
--
You are receiving this mail because:
You are the assignee for the bug.
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
