linux-kernel - Re: [PATCH] drm/i915/tv: After disabling the pipe, use wait_for_vblank

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Date:	Tue, 24 Aug 2010 16:05:55 -0700
From:	Jesse Barnes <jbarnes@...tuousgeek.org>
To:	Ivan Bulatovic <combuster@....com>
Cc:	Chris Wilson <chris@...is-wilson.co.uk>,
	linux-kernel@...r.kernel.org, linux-gfx@...ts.freedesktop.org
Subject: Re: [PATCH] drm/i915/tv: After disabling the pipe, use
 wait_for_vblank_off()

On Wed, 25 Aug 2010 01:04:31 +0200
Ivan Bulatovic <combuster@....com> wrote:

> On Tue, 2010-08-24 at 22:52 +0100, Chris Wilson wrote: 
> > On Tue, 24 Aug 2010 23:08:50 +0200, Ivan Bulatovic <combuster@....com> wrote:
> > > Unfotunately I still get TV connection detected :(
> > 
> > Jesse spotted the root cause and Linus has now pushed that fix for
> > intel_wait_for_vblank() out. This is just a very minor bug in comparison.
> > Can you please test against linus/master and check that resolves the
> > spurious TV detection for you?
> > Thanks.
> > 
> > -- 
> > Chris Wilson, Intel Open Source Technology Centre
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@...r.kernel.org
> > More majordomo info at  http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at  http://www.tux.org/lkml/
> 
> Spurious TV detection is still here and + I have a new problem with
> resolution in init3 when KMS fires up, it occupies only 1/3rd of the
> screen when booting.
> 
> I've tried patching the kernel I used for testing so far with that one
> liner and I've tried without patches we tried so far (git pull on a
> clean linux-git) and the symptoms are the same on both of them.
> 
> So
> - PIPE_VBLANK_INTERRUPT_STATUS) == 0,
> + PIPE_VBLANK_INTERRUPT_STATUS),
> in intel_display.c doesn't fix the issue, plus it brings a new one in my
> case.

Ugg, one step forward, two steps back.  Working on it.

-- 
Jesse Barnes, Intel Open Source Technology Center
--
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