From: Keith Packard <keithp@keithp.com>
To: Kenneth Graunke <kenneth@whitecape.org>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH 1/3] drm/i915: Fix MI_DISPLAY_FLIP plane select offset on Ivybridge.
Date: Tue, 07 Jun 2011 18:09:34 -0700 [thread overview]
Message-ID: <yunipshxh69.fsf@aiko.keithp.com> (raw)
In-Reply-To: <4DEEC869.7020707@whitecape.org>
[-- Attachment #1.1: Type: text/plain, Size: 972 bytes --]
On Tue, 07 Jun 2011 17:55:05 -0700, Kenneth Graunke <kenneth@whitecape.org> wrote:
> In the latest version of the Render Engine Command Streamer chapter,
> 18:8 are 'reserved' on IVB. Perhaps you have an old copy?
Yeah, I haven't sync'd for a week or so.
> Apparently MI_DISPLAY_FLIP also exists in the Blitter Engine on IVB. I
> suspect we actually need to use that, but I haven't tried to yet.
> No, actually...page flips are still broken. I suspect this patch is
> necessary but insufficient. Feel free to hold off on merging it.
Sounds like a bit more testing and fixing is required; I'll leave things
alone until we know how to make it work.
> Good question. My reading of the docs say that it should be 3 DWORDs on
> SNB as well; this code was directly lifted from "case 6" above (save the
> first line).
Might be interesting to see if page flipping works when we send the
command correctly :-)
--
keith.packard@intel.com
[-- Attachment #1.2: Type: application/pgp-signature, Size: 189 bytes --]
[-- Attachment #2: Type: text/plain, Size: 159 bytes --]
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2011-06-08 1:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-07 22:54 [PATCH 1/3] drm/i915: Fix MI_DISPLAY_FLIP plane select offset on Ivybridge Kenneth Graunke
2011-06-07 22:54 ` [PATCH 2/3] drm/i915: Remove HAS_BLT/HAS_BSD checks from ivybridge_irq_postinstall Kenneth Graunke
2011-06-07 23:16 ` Keith Packard
2011-06-08 9:29 ` Chris Wilson
2011-06-07 22:54 ` [PATCH 3/3] drm/i915: Enable GPU reset on Ivybridge Kenneth Graunke
2011-06-07 23:18 ` Keith Packard
2011-06-07 23:14 ` [PATCH 1/3] drm/i915: Fix MI_DISPLAY_FLIP plane select offset " Keith Packard
2011-06-08 0:55 ` Kenneth Graunke
2011-06-08 1:09 ` Keith Packard [this message]
2011-06-08 9:36 ` Chris Wilson
2011-06-08 9:54 ` Kenneth Graunke
2011-06-08 10:57 ` Chris Wilson
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=yunipshxh69.fsf@aiko.keithp.com \
--to=keithp@keithp.com \
--cc=intel-gfx@lists.freedesktop.org \
--cc=kenneth@whitecape.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;
as well as URLs for NNTP newsgroup(s).