From: Chris Wilson <chris@chris-wilson.co.uk>
To: Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de>,
airlied@linux.ie, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] Use cachable mapping for i915 opregion.
Date: Sun, 23 Jan 2011 18:45:54 +0000 [thread overview]
Message-ID: <0d30dc$kr9u7e@orsmga001.jf.intel.com> (raw)
In-Reply-To: <1295803414-5373-1-git-send-email-kernel@mkarcher.dialup.fu-berlin.de>
On Sun, 23 Jan 2011 18:23:34 +0100, Michael Karcher <kernel@mkarcher.dialup.fu-berlin.de> wrote:
> The opregion is a shared memory region between ACPI and the graphics
> driver. As the ACPI mapping has been changed to cachable in commit
> 6d5bbf00d251cc73223a71422d69e069dc2e0b8d, mapping the intel opregion
> non-cachable now fails. As no bus-master hardware is involved in the
> opregion, cachable map should do no harm.
Satisfied myself that is indeed equivalent to use the newly introduced
acpi_os_ioremap for this purpose and applied to -fixes.
Thanks,
-Chris
--
Chris Wilson, Intel Open Source Technology Centre
next prev parent reply other threads:[~2011-01-23 18:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-23 17:23 [PATCH 1/1] Use cachable mapping for i915 opregion Michael Karcher
2011-01-23 17:41 ` Chris Wilson
2011-01-23 18:45 ` Chris Wilson [this message]
2011-01-23 20:52 ` Rafael J. Wysocki
2011-01-23 20:52 ` Rafael J. Wysocki
2011-01-23 20:58 ` Chris Wilson
2011-01-23 21:35 ` Rafael J. Wysocki
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='0d30dc$kr9u7e@orsmga001.jf.intel.com' \
--to=chris@chris-wilson.co.uk \
--cc=airlied@linux.ie \
--cc=dri-devel@lists.freedesktop.org \
--cc=kernel@mkarcher.dialup.fu-berlin.de \
--cc=linux-kernel@vger.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 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.