[Bug 90043] [BDW DP] 4k at 60Hz pipe underruns -> corruption & hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90043

Jani Nikula <jani.nikula at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #14 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Marat Bakeev from comment #13)
> With linux-drm-intel-nightly-docs 20150810 the kernel log is filled with
> messages: [drm:gen8_irq_handler [i915]] *ERROR* The master control interrupt
> lied (SDE)!

That's bug 92084.

(In reply to Marat Bakeev from comment #12)
> With linux-drm-intel-nightly 20150810 (Linux 4.2.0-1-drm-intel-nightly) it
> is possible to boot and use the monitor without the i915.enable_ips=0 flag.

This part is fixed.

> But the monitor now defaults to 30 hz refresh rate, although it is still
> possible to switch it to 60hz through xrandr (but it's a small annoyance).

Is this the only remaining problem? Please file a new bug about that to not
conflate this one. Thanks.

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