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[73.37.105.206]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-845a3fcc65csm5185755b3a.6.2026.06.25.12.15.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Jun 2026 12:15:42 -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 , David Airlie , Dmitry Baryshkov , Jessica Zhang , linux-kernel@vger.kernel.org (open list), Marijn Suijten , Sean Paul , Simona Vetter Subject: [PATCH v2 0/3] drm/msm: A couple lazy-vm fixes Date: Thu, 25 Jun 2026 12:15:32 -0700 Message-ID: <20260625191537.47965-1-robin.clark@oss.qualcomm.com> X-Mailer: git-send-email 2.54.0 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-GUID: Bj0VQ6u5duUCzluJ2e5mp7v9DgRys0iT X-Proofpoint-ORIG-GUID: Bj0VQ6u5duUCzluJ2e5mp7v9DgRys0iT X-Proofpoint-Spam-Info: AW1haW4tMjYwNjI1MDE2NSBTYWx0ZWRfXzyL+ixqMeKMl b3QFAtIs8b30tKF64xy4WfIvTa4cwoeuudrTv26FKetO/jBtdnks7oZK/gRLnqnCWZIbEVfgip5 uA4iP2gKCgCe7tsOSeTM7ePSdPx7Q+8= X-Authority-Analysis: v=2.4 cv=EsLiaycA c=1 sm=1 tr=0 ts=6a3d7e5f cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=19Wyn7e3V/0aNffMjNCMQw==:17 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=384pi0yy4wJ6F0PkkBwA:9 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjI1MDE2NSBTYWx0ZWRfX//fseCVo6KX2 VBRn1xj9UWMN2qeZctSDgYlbMwAaiqq/HsJFJmuc3zT5QctZDbTIeekXaaW5anhVtLg+ENAqMwl /8L/CwcCbLlSCuBgD/4KF4ja3bgqrjIStjpVjVJOQvs6ijpXNrEGUBUnqCiSwzKy46o2oImAoh0 AD59G6kwGhEgpJziDHhxpZf83vaZohYSot/YSUAdaEwn53Rb16clk/yAx7WXY6Ciad1A3rsJgSK Ne96yG91oH2Hra/LRryOHz8kwo62SRqWWALeXKTPbzC+nTmdszoCjADzKFK8bOpxcDZG8Odl94J zRsMVRabcKlU8Tu6nVOEc/ifcKzJkkGCyvRWF8C+8slelY64OYJoUUKeoYojDTn5hkk3xnAUS6j GjkjEkHLjszTVULCOmaEpm2R88oFy1LaVTJ1Kl0CkB31k/y7pawz+Hzi+i5hbedc+tC0MGHWyif 9sQFdfjBrdjCu/lx3Eg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-25_02,2026-06-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 adultscore=0 spamscore=0 malwarescore=0 lowpriorityscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606250165 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 (3): drm/msm: Fix barriers accessing ctx vm drm/msm: Validate lazy VM is created in GEM_SUBMIT drm/msm: Validate lazy VM in GEM_NEW drivers/gpu/drm/msm/msm_drv.c | 13 +++++++------ drivers/gpu/drm/msm/msm_gem.c | 7 ++++++- drivers/gpu/drm/msm/msm_gem_submit.c | 9 +++++---- 3 files changed, 18 insertions(+), 11 deletions(-) -- 2.54.0