From: Chris Wilson <chris@chris-wilson.co.uk>
To: Keith Packard <keithp@keithp.com>, intel-gfx@lists.freedesktop.org
Cc: stable@kernel.org
Subject: Re: [PATCH fixes] drm/i915: Fix unfenced alignment on pre-G33 hardware
Date: Mon, 06 Jun 2011 21:56:51 +0100 [thread overview]
Message-ID: <f80fcd$ds4vf@fmsmga001.fm.intel.com> (raw)
In-Reply-To: <yund3iq25np.fsf@aiko.keithp.com>
On Mon, 06 Jun 2011 11:09:30 -0700, Keith Packard <keithp@keithp.com> wrote:
> On Mon, 06 Jun 2011 18:50:16 +0100, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>
> > Hah. Anyway it is actually irrelevant as it turns out, the kernel is broken
> > with any per-surface tiling on gen2/gen3.
>
> Right, seems like we need to signal user space that tiling works now,
> which should involve a new ioctl of some form?
So PARAM_HAS_PER_SURFACE_TILING and re-enable fencing for render
operations on gen2/3.
> > Yes, I can. But the simple bug fix doesn't fix anything without the other
> > chunk. Do you still want it split?
>
> Isn't it a general bug? We're asking for an alignment value using the
> wrong tiling mode when changing tiling modes.
Indeed. I just can't test the patch independently since the hangs look
identical.
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
prev parent reply other threads:[~2011-06-06 20:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-06 14:18 [PATCH fixes] drm/i915: Fix unfenced alignment on pre-G33 hardware Chris Wilson
2011-06-06 16:03 ` Keith Packard
2011-06-06 17:50 ` [Intel-gfx] " Chris Wilson
2011-06-06 18:09 ` Keith Packard
2011-06-06 20:56 ` Chris Wilson [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='f80fcd$ds4vf@fmsmga001.fm.intel.com' \
--to=chris@chris-wilson.co.uk \
--cc=intel-gfx@lists.freedesktop.org \
--cc=keithp@keithp.com \
--cc=stable@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox