From: Rob Clark <robin.clark@oss.qualcomm.com>
To: dri-devel@lists.freedesktop.org
Cc: linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
"Rob Clark" <robin.clark@oss.qualcomm.com>,
"Abel Vesa" <abelvesa@kernel.org>,
"Abhinav Kumar" <abhinav.kumar@linux.dev>,
"Akhil P Oommen" <akhilpo@oss.qualcomm.com>,
"Chia-Lin Kao (AceLan)" <acelan.kao@canonical.com>,
"Christian König" <christian.koenig@amd.com>,
"David Airlie" <airlied@gmail.com>,
"Dmitry Baryshkov" <lumag@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Heikki Krogerus" <heikki.krogerus@linux.intel.com>,
"Hsin-Te Yuan" <yuanhsinte@chromium.org>,
"Jessica Zhang" <jesszhan0024@gmail.com>,
"Johan Hovold" <johan@kernel.org>,
"Konrad Dybcio" <konradybcio@kernel.org>,
linaro-mm-sig@lists.linaro.org (moderated list:DMA BUFFER
SHARING FRAMEWORK:Keyword:bdma_(?:buf|fence|resv)b),
linux-kernel@vger.kernel.org (open list),
linux-media@vger.kernel.org (open list:DMA BUFFER SHARING
FRAMEWORK:Keyword:bdma_(?:buf|fence|resv)b),
linux-usb@vger.kernel.org (open list:USB TYPEC CLASS),
"Luca Ceresoli" <luca.ceresoli@bootlin.com>,
"Marijn Suijten" <marijn.suijten@somainline.org>,
"Pooja Katiyar" <pooja.katiyar@intel.com>,
"Sean Paul" <sean@poorly.run>, "Simona Vetter" <simona@ffwll.ch>,
"Sumit Semwal" <sumit.semwal@linaro.org>
Subject: [PATCH v7 00/17] drm/msm: A couple lazy-vm fixes
Date: Wed, 29 Jul 2026 08:55:37 -0700 [thread overview]
Message-ID: <20260729155609.20190-1-robin.clark@oss.qualcomm.com> (raw)
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. Or at least that is how this series started out.
Rob Clark (17):
drm/msm: Fix barriers accessing ctx vm
drm/msm: Rework queuelock
drm/msm: Synchronize VM creation on ctxlock
drm/msm: Synchronize set_sysprof on ctxlock
drm/msm: Move nr_cmds initialization
drm/msm: Remove redundant SIZE_MAX check
drm/msm/a6xx: Access VM directly in submit path
drm/msm: Add helper to check for per-process pgtables VM
drm/msm/gem: Fix dma_buf import error paths
drm/msm/gem: Remove useless locking in GEM import
drm/msm/gem: Extract bookkeeping init helper
drm/msm/gem: Set resv before exposing obj
drm/msm/gem: Validate lazy VM in GEM_NEW
drm/msm: Allow lazy VM creation to fail
drm/msm: Don't fallback to shared VM for VM_BIND
drm/msm: Fix per-process-pgtables check
drm/msm: Fixup invalid overflow check
drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 2 +-
drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 2 +-
drivers/gpu/drm/msm/adreno/adreno_gpu.c | 17 ++++-
drivers/gpu/drm/msm/disp/mdp4/mdp4_kms.c | 2 +-
drivers/gpu/drm/msm/msm_drv.c | 26 ++++---
drivers/gpu/drm/msm/msm_fb.c | 4 +-
drivers/gpu/drm/msm/msm_gem.c | 94 ++++++++++++++----------
drivers/gpu/drm/msm/msm_gem.h | 5 +-
drivers/gpu/drm/msm/msm_gem_prime.c | 2 +-
drivers/gpu/drm/msm/msm_gem_submit.c | 31 ++++----
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 | 24 +++---
14 files changed, 131 insertions(+), 96 deletions(-)
--
2.55.0
reply other threads:[~2026-07-29 15:56 UTC|newest]
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