linux-kernel - [PATCH 0/4] fixes for Adreno A5Xx preemption

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240711100038.268803-1-vladimir.lypak@gmail.com>
Date: Thu, 11 Jul 2024 10:00:17 +0000
From: Vladimir Lypak <vladimir.lypak@...il.com>
To: Vladimir Lypak <vladimir.lypak@...il.com>
Cc: Rob Clark <robdclark@...il.com>,
	Sean Paul <sean@...rly.run>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	Abhinav Kumar <quic_abhinavk@...cinc.com>,
	Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	David Airlie <airlied@...il.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Jordan Crouse <jordan@...micpenguin.net>,
	linux-arm-msm@...r.kernel.org,
	dri-devel@...ts.freedesktop.org,
	freedreno@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 0/4] fixes for Adreno A5Xx preemption

There are several issues with preemption on Adreno A5XX GPUs which
render system unusable if more than one priority level is used. Those
issues include persistent GPU faults and hangs, full UI lockups with
idling GPU.

---
Vladimir Lypak (4):
  drm/msm/a5xx: disable preemption in submits by default
  drm/msm/a5xx: properly clear preemption records on resume
  drm/msm/a5xx: fix races in preemption evaluation stage
  drm/msm/a5xx: workaround early ring-buffer emptiness check

 drivers/gpu/drm/msm/adreno/a5xx_gpu.c     | 18 ++++++++++----
 drivers/gpu/drm/msm/adreno/a5xx_gpu.h     | 12 ++++++---
 drivers/gpu/drm/msm/adreno/a5xx_preempt.c | 30 ++++++++++++++++++++---
 3 files changed, 47 insertions(+), 13 deletions(-)
---
base-commit: 523b23f0bee3014a7a752c9bb9f5c54f0eddae88
-- 
2.45.2