[Intel-gfx] [PATCH 2/2] drm/i915: shut up gen8+ SDE irq dmesg noise

[Daniel Vetter]

On Fri, Oct 23, 2015 at 12:21:37PM +0300, Jani Nikula wrote:
> On Fri, 23 Oct 2015, Chris Wilson <chris at chris-wilson.co.uk> wrote:
> > On Fri, Oct 23, 2015 at 10:56:12AM +0200, Daniel Vetter wrote:
> >> We get tons of cases where the master interrupt handler apparently set
> >> a bit, with the SDEIIR agreeing. No idea what's going on there, but
> >> it's consistent on gen8+, no one seems to care about it and it's
> >> making CI results flaky.
> >
> > Just delete the message and delete them all. There isn't anything we can
> > do and if anybody actually cared (which apparently they didn't in the
> > first place), they could just trace the mmio.
> 
> Except this one is a regression, introduced by a bisected commit, and
> suspiciously the errors pop up during aux transfers.

dp aux is a red herring very likely, since it's just the source of a _lot_
of sde interrupts.

> https://bugs.freedesktop.org/show_bug.cgi?id=92084

No one demonstrated any bad side-effects of this, let's shut it up (but
keep the breadcrumb in debug logs in case) and move on to other bugs. We
have enough.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch