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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Fiji Nano long boot up and long X startup with amdgpu-powerplay enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92974#c15">Comment # 15</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Fiji Nano long boot up and long X startup with amdgpu-powerplay enabled"
href="https://bugs.freedesktop.org/show_bug.cgi?id=92974">bug 92974</a>
from <span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to charlie from <a href="show_bug.cgi?id=92974#c13">comment #13</a>)
<span class="quote">> I'm now using "drm-next-4.8-wip" (from
> <a href="https://cgit.freedesktop.org/~agd5f/linux/">https://cgit.freedesktop.org/~agd5f/linux/</a>). 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.</span >
>
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.</pre>
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