From: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
To: Chris Wilson
<chris-Y6uKTt2uX1cEflXRtASbqLVCufUGDwFn@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>
Cc: "Balestrieri,
Francesco"
<francesco.balestrieri-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org,
ashok.raj-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 3/4] iommu/vt-d: Clean up pasid quirk for pre-production devices
Date: Sat, 7 Jul 2018 15:21:25 +0800 [thread overview]
Message-ID: <5B4069F5.1020303@linux.intel.com> (raw)
In-Reply-To: <153094688126.17577.10340360451966114779-3P6wQCRdEoTT/jhqYwntd7KMmGWinSIL2HeeBUIffwg@public.gmane.org>
Hi Chris,
On 07/07/2018 03:01 PM, Chris Wilson wrote:
> Quoting Lu Baolu (2018-05-04 06:08:18)
>> The pasid28 quirk is needed only for some pre-production devices.
>> Remove it to make the code concise.
> Every skylake mixing iommu and i915 is now inoperable on boot. Reads
> by the GPU from iommu map pages return zero, writes disappear into the
> void, no errors flagged.
>
> Please revert until the matter is resolved.
Yes. I also got reports about the i915 issue.
I will submit a revert patch as soon as possible.
I am sorry for the inconvenience.
Best regards,
Lu Baolu
WARNING: multiple messages have this Message-ID (diff)
From: Lu Baolu <baolu.lu@linux.intel.com>
To: Chris Wilson <chris@chris-wilson.co.uk>,
David Woodhouse <dwmw2@infradead.org>,
Joerg Roedel <joro@8bytes.org>
Cc: ashok.raj@intel.com, iommu@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, "Balestrieri,
Francesco" <francesco.balestrieri@intel.com>
Subject: Re: [PATCH 3/4] iommu/vt-d: Clean up pasid quirk for pre-production devices
Date: Sat, 7 Jul 2018 15:21:25 +0800 [thread overview]
Message-ID: <5B4069F5.1020303@linux.intel.com> (raw)
In-Reply-To: <153094688126.17577.10340360451966114779@cwilso3-mobl.ger.corp.intel.com>
Hi Chris,
On 07/07/2018 03:01 PM, Chris Wilson wrote:
> Quoting Lu Baolu (2018-05-04 06:08:18)
>> The pasid28 quirk is needed only for some pre-production devices.
>> Remove it to make the code concise.
> Every skylake mixing iommu and i915 is now inoperable on boot. Reads
> by the GPU from iommu map pages return zero, writes disappear into the
> void, no errors flagged.
>
> Please revert until the matter is resolved.
Yes. I also got reports about the i915 issue.
I will submit a revert patch as soon as possible.
I am sorry for the inconvenience.
Best regards,
Lu Baolu
next prev parent reply other threads:[~2018-07-07 7:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-04 5:08 [PATCH 0/4] iommu/vt-d: Several cleanup patches Lu Baolu
2018-05-04 5:08 ` [PATCH 1/4] iommu: Clean up the comments for iommu_group_alloc Lu Baolu
2018-05-04 5:08 ` [PATCH 2/4] iommu/vt-d: Clean up unused variable in find_or_alloc_domain Lu Baolu
2018-05-04 5:08 ` [PATCH 3/4] iommu/vt-d: Clean up pasid quirk for pre-production devices Lu Baolu
2018-07-07 7:01 ` Chris Wilson
2018-07-07 7:01 ` Chris Wilson
[not found] ` <153094688126.17577.10340360451966114779-3P6wQCRdEoTT/jhqYwntd7KMmGWinSIL2HeeBUIffwg@public.gmane.org>
2018-07-07 7:21 ` Lu Baolu [this message]
2018-07-07 7:21 ` Lu Baolu
2018-05-04 5:08 ` [PATCH 4/4] iommu/vt-d: Remove unnecessary parentheses Lu Baolu
2018-05-15 14:35 ` [PATCH 0/4] iommu/vt-d: Several cleanup patches Joerg Roedel
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