[Bug 92974] Fiji Nano long boot up and long X startup with amdgpu-powerplay enabled

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92974

--- Comment #15 from Alex Deucher <alexdeucher at gmail.com> ---
(In reply to charlie from comment #13)
> I'm now using "drm-next-4.8-wip" (from
> https://cgit.freedesktop.org/~agd5f/linux/).  I still require
> "fiji_disable_pcie_dpm.diff" to overcome the bug.  I can't remember if
> "disable_gen3.diff" no longer patches cleanly or does not work once the
> kernel is compiled.  In any case, "disable_gen3.diff" is no longer effective.
>

On newer kernels you can configure the supported pcie gen modes via module
option.  E.g., append:
amdgpu.pcie_gen_cap=0x00030003
to the kernel command line in grub to limit the bus and the card to pcie gen2.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/dri-devel/attachments/20160616/ca55dfcf/attachment.html>