From: Chris Wilson <chris@chris-wilson.co.uk>
To: Intel Graphics Development <intel-gfx@lists.freedesktop.org>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Subject: Re: [PATCH 1/7] drm/i915: implement ColorBlt w/a
Date: Sat, 31 Mar 2012 14:15:21 +0100 [thread overview]
Message-ID: <1333199739_170899@CP5-2952> (raw)
In-Reply-To: <1333191260_169375@CP5-2952>
On Sat, 31 Mar 2012 11:54:01 +0100, Chris Wilson <chris@chris-wilson.co.uk> wrote:
> On Sat, 31 Mar 2012 11:21:57 +0200, Daniel Vetter <daniel.vetter@ffwll.ch> wrote:
> > According to an internal workaround master list, we need to set bit 5
> > of register 9400 to avoid issues with color blits.
>
> This sounds like it could be the root cause behind the FBC + BLT hangs.
This looks like it could be true, I just tested the w/a with the FBC
enabled and it survives!
Tested-by: Chris Wilson <chris@chris-wilson.co.uk>
I'm fully expecting it to blow up later, but one step forward.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2012-03-31 13:15 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-31 9:21 [PATCH 0/7] A set of SNB workarounds Daniel Vetter
2012-03-31 9:21 ` [PATCH 1/7] drm/i915: implement ColorBlt w/a Daniel Vetter
2012-03-31 10:54 ` Chris Wilson
2012-03-31 13:15 ` Chris Wilson [this message]
2012-04-10 9:08 ` Michael Groh
2012-04-10 9:54 ` Paul Menzel
2012-04-10 22:24 ` Ben Widawsky
2012-04-11 10:18 ` Daniel Vetter
2012-03-31 9:21 ` [PATCH 2/7] drm/i915: implement a media hang w/a Daniel Vetter
2012-04-10 21:30 ` Ben Widawsky
2012-04-10 21:34 ` Ben Widawsky
2012-04-10 21:36 ` Ben Widawsky
2012-03-31 9:21 ` [PATCH 3/7] drm/i915: set w/a bit for snb pagefaults Daniel Vetter
2012-04-10 21:46 ` Ben Widawsky
2012-03-31 9:22 ` [PATCH 4/7] drm/i915: properly set ppgtt cacheability on snb Daniel Vetter
2012-04-10 22:11 ` Ben Widawsky
2012-04-10 22:27 ` Daniel Vetter
2012-04-10 22:35 ` Ben Widawsky
2012-03-31 9:22 ` [PATCH 5/7] drm/i915: implement w/a for incorrect guarband clipping Daniel Vetter
2012-04-10 22:13 ` Ben Widawsky
2012-04-10 22:20 ` Daniel Vetter
2012-03-31 9:22 ` [PATCH 6/7] drm/i915: implement async flush w/a Daniel Vetter
2012-03-31 10:52 ` Chris Wilson
2012-04-10 9:53 ` Paul Menzel
2012-04-10 22:22 ` Ben Widawsky
2012-03-31 9:22 ` [PATCH 7/7] drm/i915: set stc evict disable lra evict w/a Daniel Vetter
2012-04-10 22:31 ` Ben Widawsky
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