On Thu, Dec 10, 2020 at 7:52 PM Dave Airlie <airlied@xxxxxxxxx> wrote:
>
> This is an early pull request for drm for 5.11 merge window. I'm going
> to be out for most of the first week of the merge window so thought
> I'd just preempt things and send this early.
Ok, I've merged this, and Dave is likely gone already, but it _looks_
like there's a problem with the drm tree on my Radeon workstation.
It works fine on my i915 laptop.
The symptoms are that the boot just hangs after
fb0: switching to amdgpudrmfb from EFI VGA
when on a working kernel the next lines are
amdgpu 0000:49:00.0: vgaarb: deactivate vga console
[drm] initializing kernel modesetting (POLARIS10 0x1002:0x67DF
0x1DA2:0xE353 0xE7).
amdgpu 0000:49:00.0: amdgpu: Trusted Memory Zone (TMZ) feature not supported
[drm] register mmio base: 0xE1C00000
[drm] register mmio size: 262144
I'm bisecting for more details, but it might take a while, and I
thought I'd start the ball rolling with this initial report in case
somebody goes "Aahh.., we know about that case already, the fix is
XYZ"...
Linus
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