From: Joerg Roedel <joro@8bytes.org>
To: Lu Baolu <baolu.lu@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>,
ashok.raj@intel.com, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices"
Date: Fri, 20 Jul 2018 13:56:53 +0200 [thread overview]
Message-ID: <20180720115652.tswu2sohy6snj4hl@8bytes.org> (raw)
In-Reply-To: <1531031001-5783-1-git-send-email-baolu.lu@linux.intel.com>
On Sun, Jul 08, 2018 at 02:23:21PM +0800, Lu Baolu wrote:
> This reverts commit ab96746aaa344fb720a198245a837e266fad3b62.
>
> The commit ab96746aaa34 ("iommu/vt-d: Clean up pasid quirk for
> pre-production devices") triggers ECS mode on some platforms
> which have broken ECS support. As the result, graphic device
> will be inoperable on boot.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107017
>
> Cc: Ashok Raj <ashok.raj@intel.com>
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> ---
> drivers/iommu/intel-iommu.c | 32 ++++++++++++++++++++++++++++++--
> include/linux/intel-iommu.h | 1 +
> 2 files changed, 31 insertions(+), 2 deletions(-)
Applied to iommu/fixes.
prev parent reply other threads:[~2018-07-20 11:56 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-08 6:23 [PATCH 1/1] Revert "iommu/vt-d: Clean up pasid quirk for pre-production devices" Lu Baolu
2018-07-08 6:23 ` Lu Baolu
[not found] ` <1531031001-5783-1-git-send-email-baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-07-16 6:02 ` Lu Baolu
2018-07-16 6:02 ` Lu Baolu
[not found] ` <5B4C34E4.30004-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
2018-07-16 7:53 ` Zhenyu Wang
2018-07-16 7:53 ` Zhenyu Wang
2018-07-20 11:56 ` Joerg Roedel [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=20180720115652.tswu2sohy6snj4hl@8bytes.org \
--to=joro@8bytes.org \
--cc=ashok.raj@intel.com \
--cc=baolu.lu@linux.intel.com \
--cc=dwmw2@infradead.org \
--cc=iommu@lists.linux-foundation.org \
--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.