On Tue, 26 Jul 2011 14:00:32 -0700, Jesse Barnes
wrote:
> We should be writing this reg. The only question is whether we should
> be trusting the BIOS values (which may have custom pulse duration
> settings) or just unconditionally enabling hot plug for ports we care
> about with the default 2m
On Tue, 2011-07-26 at 14:00 -0700, Jesse Barnes wrote:
> We should be writing this reg. The only question is whether we should
> be trusting the BIOS values (which may have custom pulse duration
> settings) or just unconditionally enabling hot plug for ports we care
> about with the default 2ms p
On Tue, 26 Jul 2011 16:53:06 -0400
Adam Jackson wrote:
> At least on a Lenovo X220 the HPD bits of this are enabled at boot but
> cleared after resume, which means plug interrupts stop working.
>
> This also happens to fix DP displays re-lighting on resume. I'm quite
> certain that's an acciden
At least on a Lenovo X220 the HPD bits of this are enabled at boot but
cleared after resume, which means plug interrupts stop working.
This also happens to fix DP displays re-lighting on resume. I'm quite
certain that's an accident: the first DP link train inevitably fails on
that machine, and it
