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[73.37.105.206]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84a4f2739a4sm5377121b3a.19.2026.07.16.13.15.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Jul 2026 13:15:46 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, Rob Clark , Abhinav Kumar , Akhil P Oommen , David Airlie , Dmitry Baryshkov , Jessica Zhang , Konrad Dybcio , linux-kernel@vger.kernel.org (open list), Marijn Suijten , Sean Paul , Simona Vetter Subject: [PATCH v5 00/10] drm/msm: A couple lazy-vm fixes Date: Thu, 16 Jul 2026 13:15:23 -0700 Message-ID: <20260716201538.365824-1-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE2MDIwNiBTYWx0ZWRfX0uoTM5Crz+hj mhjm2GdafmbKUZqXcsmHQVo7ve3RYhJaBTsJCPfs2VYioKMURRB/NLw9welqI9Qah2xXafQB+YG 6mz4EY+o1VnSd42MHzlfPFuN0lnb9NS/H7R8opa5iYm/KCpxt4en4yrtJc5+W5VoeaHqQ/OMxqb SWoBzw3yLtLIpvyqlj6sPl8k/cF7ZTw+M+sohMaOhAS1icxvdoK+3hiLM05s20P3IhcirdkUk+z Lb+02HFwE5OXdMFHuSZI4KVadZPhJELef2tKPFaH4NGmqGGz2moZ1aBtWM8hOqt3pqqu8/AZZyp sMwx1+eacHZCJEaE8L0FTEpB3B0F0QcEMN5fVbI8y1mZPGHuXJBwgEST7Lf0hSxerqUtTMeG76z xRfug7NXQj45svXlTKcu6Q/sqD057PC6AQ/c3DpnMkEU2hUsXH+V/+HzpBYoMIbC/in2DN5vmnV IB+QrH3XCmtft4aTUcw== X-Authority-Analysis: v=2.4 cv=JJ8LdcKb c=1 sm=1 tr=0 ts=6a593bf3 cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=19Wyn7e3V/0aNffMjNCMQw==:17 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=bzYy7Z1X7KArDtV8Qg8A:9 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE2MDIwNiBTYWx0ZWRfXwM4+jUQ/6e3E EyXOzeDrAvPHeoOi4luaS/3FqYEX5gfcfI7FGB0T/LRXqfXsz/sQ6ruhezeCMWO/8KPUt26rvXO 9nOHPzt4bvS/oQIbRoZIKX/FZKLmpY4= X-Proofpoint-ORIG-GUID: hivI3ukK8mQSLz-_mKCs0jFYAxg6BofJ X-Proofpoint-GUID: hivI3ukK8mQSLz-_mKCs0jFYAxg6BofJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-16_07,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 spamscore=0 bulkscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 adultscore=0 suspectscore=0 phishscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607160206 The VM is created lazily to give userspace a chance to opt-in to VM_BIND. But Sashiko noticed a couple paths that were not handling this properly. Rob Clark (10): drm/msm: Fix barriers accessing ctx vm drm/msm: Rework queuelock drm/msm: Synchronize VM creation on ctxlock drm/msm/a6xx: Access VM directly in submit path drm/msm: Add helper to check for per-process pgtables VM drm/msm: Allow lazy VM creation to fail drm/msm: Don't fallback to shared VM for VM_BIND drm/msm: Validate lazy VM in GEM_NEW drm/msm: Fix per-process-pgtables check drm/msm: Remove invalid overflow check drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 2 +- drivers/gpu/drm/msm/adreno/adreno_gpu.c | 17 ++++++++++++---- drivers/gpu/drm/msm/msm_drv.c | 26 ++++++++++++++++--------- drivers/gpu/drm/msm/msm_gem.c | 11 ++++++++++- drivers/gpu/drm/msm/msm_gem_submit.c | 18 ++++++++--------- drivers/gpu/drm/msm/msm_gem_vma.c | 12 ++++++++---- drivers/gpu/drm/msm/msm_gpu.c | 2 +- drivers/gpu/drm/msm/msm_gpu.h | 4 ++-- drivers/gpu/drm/msm/msm_submitqueue.c | 22 ++++++++++----------- 9 files changed, 71 insertions(+), 43 deletions(-) -- 2.55.0