From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
Stephane Marchesin <marchesin@icps.u-strasbg.fr>,
Ben Widawsky <ben@bwidawsk.net>
Subject: Re: [PATCH 2/2] drm/i915: Use RCS flips on Ivybridge+
Date: Wed, 4 Sep 2013 12:49:24 +0300 [thread overview]
Message-ID: <20130904094924.GP11428@intel.com> (raw)
In-Reply-To: <CAKMK7uFQGnqnS+vwkgRgzQ=r2psHoM7OgWNKmmm9v4oF3zXKpA@mail.gmail.com>
On Wed, Sep 04, 2013 at 11:41:57AM +0200, Daniel Vetter wrote:
> On Wed, Sep 4, 2013 at 11:28 AM, Lee, Chon Ming <chon.ming.lee@intel.com> wrote:
> > This patch causes VLV hang, look like ring buffer lockup.
> >
> > This is the message.
> > [drm] stuck on render ring
> >
> > I haven't look at the bspec for the different between VLV and Ivybridge on this
> > yet. Just see anyone have any clue why this might fail in VLV.
>
> I guess there's no DERRMR register on vlv? If that's the case I think
> we just need to disable rcs flips on vlv.
There's the DPFLIPSTAT register. But my understanding was that it only
affects flip done signalling for MI_WAIT stuff. Worth a shot maybe
anyway.
--
Ville Syrjälä
Intel OTC
next prev parent reply other threads:[~2013-09-04 9:49 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-26 19:58 [PATCH 1/2] drm/i915: Embed the ring->private within the struct intel_ring_buffer Chris Wilson
2013-08-26 19:58 ` [PATCH 2/2] drm/i915: Use RCS flips on Ivybridge+ Chris Wilson
2013-08-26 20:42 ` Stéphane Marchesin
2013-08-26 20:43 ` Stéphane Marchesin
2013-08-26 20:49 ` Chris Wilson
2013-08-29 17:11 ` Stéphane Marchesin
2013-08-29 19:07 ` Daniel Vetter
2013-09-04 9:28 ` Lee, Chon Ming
2013-09-04 9:41 ` Daniel Vetter
2013-09-04 9:49 ` Ville Syrjälä [this message]
2013-09-04 9:49 ` Lee, Chon Ming
2013-09-04 9:49 ` Chris Wilson
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