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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT] DP(Port B) can't light up after loading i915 driver."
href="https://bugs.freedesktop.org/show_bug.cgi?id=72896#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BYT] DP(Port B) can't light up after loading i915 driver."
href="https://bugs.freedesktop.org/show_bug.cgi?id=72896">bug 72896</a>
from <span class="vcard"><a class="email" href="mailto:tprevite@gmail.com" title="Todd Previte <tprevite@gmail.com>"> <span class="fn">Todd Previte</span></a>
</span></b>
<pre>wait_port_ready() is waiting for the PLL to lock. Status for the PLL is in the
line following that one -
[67614.240023] timed out waiting for port B ready: 0xf000a0ff
The hotplug patch only resolves the issue of correcting the problem where DP
hotplug is not visible on ports B or D because the bits are reversed (29 vs 27)
in the definitions. So I would not expect that to have any effect on this issue
or 72897.
As for not cleaning up BIOS state, that's a likely candidate and the code I've
been working should resolve that. The new code follows the programming guide to
the letter which is alleged to be a solution for this issue.</pre>
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