From: Ben Widawsky <ben@bwidawsk.net>
To: Chris Wilson <chris@chris-wilson.co.uk>,
intel-gfx@lists.freedesktop.org,
Art Runyan <arthur.j.runyan@intel.com>,
"Mcallister, Jeffrey" <jeffrey.mcallister@intel.com>
Subject: Re: [PATCH 0/9] displayless PCH
Date: Wed, 13 Mar 2013 12:05:23 -0700 [thread overview]
Message-ID: <20130313190521.GA28136@bwidawsk.net> (raw)
In-Reply-To: <20130313185806.GA20960@cantiga.alporthouse.com>
On Wed, Mar 13, 2013 at 06:58:06PM +0000, Chris Wilson wrote:
> On Wed, Mar 13, 2013 at 11:20:59AM -0700, Ben Widawsky wrote:
> > Certain fusing options allow customers to fuse off the South Display
> > which would result in hangs when reading/writing to those registers. In
> > addition, certain CPU display registers (like backlight) may actually
> > invoke writes to South Display.
> >
> > This patch series enables our code to run displayless which can allow
> > the GEN hardware to be an offload GPU and not have a display hooked up.
> >
> > This patch series hasn't been tested. A pre-cleaned version was tested,
> > and did work. I'm hoping Jeff (in the CC) can test this latest version.
>
> This mode of operation should be supported by xf86-video-intel-2.21.4.
> -Chris
Yes, but for us it doesn't hard hang when we get it wrong, so I'd really
like to get it tested on the real hardware. To a lesser extent, making
sure the subvendor/subdevice matching works would also be nice.
>
> --
> Chris Wilson, Intel Open Source Technology Centre
--
Ben Widawsky, Intel Open Source Technology Center
prev parent reply other threads:[~2013-03-13 19:03 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-13 18:20 [PATCH 0/9] displayless PCH Ben Widawsky
2013-03-13 18:21 ` [PATCH 1/9] drm/i915: Move num_pipes to intel info Ben Widawsky
2013-03-13 18:31 ` Chris Wilson
2013-03-13 18:36 ` Ben Widawsky
2013-03-13 21:05 ` [PATCH 01/10] [v2] " Ben Widawsky
2013-03-19 19:25 ` [PATCH 1/9] " Jesse Barnes
2013-03-19 23:06 ` Daniel Vetter
2013-03-13 18:21 ` [PATCH 2/9] drm/i915: Support PCH no display Ben Widawsky
2013-03-17 21:13 ` Daniel Vetter
2013-03-13 18:21 ` [PATCH 3/9] drm/i915: PCH_NOP Ben Widawsky
2013-03-17 21:05 ` Daniel Vetter
2013-03-17 21:14 ` Daniel Vetter
2013-03-13 18:21 ` [PATCH 4/9] drm/i915: Don't touch South display when PCH_NOP Ben Widawsky
2013-03-14 11:44 ` Jani Nikula
2013-03-14 15:55 ` [PATCH 04/10] [v2] drm/i915: Don't touch South Display " Ben Widawsky
2013-03-17 21:21 ` Daniel Vetter
2013-03-18 23:05 ` Ben Widawsky
2013-03-13 18:21 ` [PATCH 5/9] drm/i915: Don't initialize watermark stuff with PCH_NOP Ben Widawsky
2013-03-13 18:47 ` Chris Wilson
2013-03-13 21:06 ` [PATCH 05/10] [v2] " Ben Widawsky
2013-03-17 21:02 ` Daniel Vetter
2013-03-19 0:45 ` Ben Widawsky
2013-03-13 18:21 ` [PATCH 6/9] drm/i915: PCH_NOP suspend/resume Ben Widawsky
2013-03-17 21:28 ` Daniel Vetter
2013-03-19 0:51 ` Ben Widawsky
2013-03-19 7:51 ` Daniel Vetter
2013-03-19 17:53 ` Ben Widawsky
2013-03-13 18:21 ` [PATCH 7/9] drm/i915: Don't wait for PCH on reset Ben Widawsky
2013-03-19 19:36 ` Jesse Barnes
2013-03-20 16:43 ` [PATCH] " Ben Widawsky
2013-03-20 16:58 ` Jesse Barnes
2013-03-13 18:21 ` [PATCH 8/9] drm/i915: Set PCH_NOP Ben Widawsky
2013-03-17 21:36 ` Daniel Vetter
2013-03-13 18:21 ` [PATCH 9/9] drm/i915: Add a pipeless ivybridge configuration Ben Widawsky
2013-03-13 18:52 ` Chris Wilson
2013-03-13 21:08 ` [PATCH 09/10] drm/i915: Introduce IVB_FEATURES for device definition Ben Widawsky
2013-03-13 21:08 ` [PATCH 10/10] [v2] drm/i915: Add a pipeless ivybridge configuration Ben Widawsky
2013-03-15 4:05 ` [PATCH 09/10] drm/i915: Introduce IVB_FEATURES for device definition Ben Widawsky
2013-03-13 18:58 ` [PATCH 0/9] displayless PCH Chris Wilson
2013-03-13 19:05 ` Ben Widawsky [this message]
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