From: "Michel Dänzer" <michel@daenzer.net>
To: "Yu Zhao" <yuzhao@google.com>, "David Airlie" <airlied@linux.ie>,
"Daniel Vetter" <daniel@ffwll.ch>,
"Christian König" <christian.koenig@amd.com>,
"Alex Deucher" <alexander.deucher@amd.com>
Cc: David Zhou <David1.Zhou@amd.com>,
Daniel Stone <daniels@collabora.com>,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
amd-gfx@lists.freedesktop.org, Samuel Li <Samuel.Li@amd.com>,
Junwei Zhang <Jerry.Zhang@amd.com>,
stable@vger.kernel.org, Harry Wentland <harry.wentland@amd.com>
Subject: Re: [PATCH v6 1/2] drm/amd: validate user pitch alignment
Date: Tue, 8 Jan 2019 16:25:45 +0100 [thread overview]
Message-ID: <ecadd993-9202-2212-9451-d1e2f126b4d8@daenzer.net> (raw)
In-Reply-To: <20190107225115.163992-1-yuzhao@google.com>
On 2019-01-07 11:51 p.m., Yu Zhao wrote:
> Userspace may request pitch alignment that is not supported by GPU.
> Some requests 32, but GPU ignores it and uses default 64 when cpp is
> 4. If GEM object is allocated based on the smaller alignment, GPU
> DMA will go out of bound.
>
> Cc: stable@vger.kernel.org # v4.2+
> Signed-off-by: Yu Zhao <yuzhao@google.com>
Both patches applied to amd-staging-drm-next (should land in 5.0), thanks!
--
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Mesa and X developer
next prev parent reply other threads:[~2019-01-08 15:25 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-21 3:10 [PATCH 1/3] drm/amd: fix race in page flip job Yu Zhao
2018-12-21 3:10 ` [PATCH 2/3] drm/amd: validate user pitch alignment Yu Zhao
2018-12-21 9:04 ` Michel Dänzer
2018-12-21 9:07 ` Michel Dänzer
2018-12-21 19:41 ` Yu Zhao
2018-12-23 21:44 ` Yu Zhao
2018-12-27 11:54 ` Michel Dänzer
2018-12-21 19:47 ` [PATCH v2 1/2] " Yu Zhao
2018-12-21 19:47 ` [PATCH v2 2/2] drm/amd: validate user GEM object size Yu Zhao
2018-12-22 9:40 ` kbuild test robot
2018-12-23 7:46 ` kbuild test robot
2018-12-22 19:27 ` [PATCH v3 1/2] drm/amd: validate user pitch alignment Yu Zhao
2018-12-22 19:27 ` [PATCH v3 2/2] drm/amd: validate user GEM object size Yu Zhao
2018-12-23 21:52 ` [PATCH v4 1/2] drm/amd: validate user pitch alignment Yu Zhao
2018-12-23 21:52 ` [PATCH v4 2/2] drm/amd: validate user GEM object size Yu Zhao
2018-12-30 1:00 ` [PATCH v5 1/2] drm/amd: validate user pitch alignment Yu Zhao
2018-12-30 1:00 ` [PATCH v5 2/2] drm/amd: validate user GEM object size Yu Zhao
2019-01-03 16:33 ` [PATCH v5 1/2] drm/amd: validate user pitch alignment Michel Dänzer
2019-01-07 4:00 ` Yu Zhao
2019-01-07 9:54 ` Michel Dänzer
2019-01-07 22:51 ` [PATCH v6 " Yu Zhao
2019-01-07 22:51 ` [PATCH v6 2/2] drm/amd: validate user GEM object size Yu Zhao
2019-01-08 15:25 ` Michel Dänzer [this message]
2018-12-21 3:10 ` [PATCH 3/3] " Yu Zhao
2018-12-21 9:09 ` Michel Dänzer
2018-12-22 4:51 ` kbuild test robot
2018-12-21 8:56 ` [PATCH 1/3] drm/amd: fix race in page flip job Michel Dänzer
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=ecadd993-9202-2212-9451-d1e2f126b4d8@daenzer.net \
--to=michel@daenzer.net \
--cc=David1.Zhou@amd.com \
--cc=Jerry.Zhang@amd.com \
--cc=Samuel.Li@amd.com \
--cc=airlied@linux.ie \
--cc=alexander.deucher@amd.com \
--cc=amd-gfx@lists.freedesktop.org \
--cc=christian.koenig@amd.com \
--cc=daniel@ffwll.ch \
--cc=daniels@collabora.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=harry.wentland@amd.com \
--cc=linux-kernel@vger.kernel.org \
--cc=stable@vger.kernel.org \
--cc=yuzhao@google.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®