From: Ben Widawsky <ben@bwidawsk.net>
To: ville.syrjala@linux.intel.com
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] drm/i915: Fix context size calculation on SNB/IVB/VLV
Date: Thu, 22 Aug 2013 12:05:31 -0700 [thread overview]
Message-ID: <20130822190530.GD7181@bwidawsk.net> (raw)
In-Reply-To: <1377188593-6881-1-git-send-email-ville.syrjala@linux.intel.com>
On Thu, Aug 22, 2013 at 07:23:13PM +0300, ville.syrjala@linux.intel.com wrote:
> From: Ville Syrjälä <ville.syrjala@linux.intel.com>
>
> All the different context sizes reported in the CXT_SIZE register
> aren't meant to be simply added together.
>
> While BSpec is somewhat unclear on the topic of the actual context
> size, empirical tests have now revealed the truth. So let's add a
> big fat comment to remind people how it all works.
>
> As a result of correctly interpreting CXT_SIZE, the IVB context
> size is reduced from three pages to two, while SNB context size
> remains at two pages.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
[snip]
--
Ben Widawsky, Intel Open Source Technology Center
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2013-08-22 19:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-22 16:23 [PATCH] drm/i915: Fix context size calculation on SNB/IVB/VLV ville.syrjala
2013-08-22 18:30 ` Ben Widawsky
2013-08-22 18:45 ` Ville Syrjälä
2013-08-22 18:52 ` Ville Syrjälä
2013-08-22 18:58 ` Ben Widawsky
2013-08-23 9:54 ` Ville Syrjälä
2013-08-22 19:05 ` Ben Widawsky [this message]
2013-08-22 20:16 ` Daniel Vetter
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=20130822190530.GD7181@bwidawsk.net \
--to=ben@bwidawsk.net \
--cc=intel-gfx@lists.freedesktop.org \
--cc=ville.syrjala@linux.intel.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.