All of lore.kernel.org
 help / color / mirror / Atom feed
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]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-29 15:55 Rob Clark [this message]
2026-07-29 15:55 ` [PATCH v7 01/17] drm/msm: Fix barriers accessing ctx vm Rob Clark
2026-07-29 16:15   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 02/17] drm/msm: Rework queuelock Rob Clark
2026-07-29 16:21   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 03/17] drm/msm: Synchronize VM creation on ctxlock Rob Clark
2026-07-29 16:10   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 04/17] drm/msm: Synchronize set_sysprof " Rob Clark
2026-07-29 16:12   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 05/17] drm/msm: Move nr_cmds initialization Rob Clark
2026-07-29 18:14   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 06/17] drm/msm: Remove redundant SIZE_MAX check Rob Clark
2026-07-29 16:09   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 07/17] drm/msm/a6xx: Access VM directly in submit path Rob Clark
2026-07-29 16:12   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 08/17] drm/msm: Add helper to check for per-process pgtables VM Rob Clark
2026-07-29 16:11   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 09/17] drm/msm/gem: Fix dma_buf import error paths Rob Clark
2026-07-29 15:55 ` [PATCH v7 10/17] drm/msm/gem: Remove useless locking in GEM import Rob Clark
2026-07-29 16:11   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 11/17] drm/msm/gem: Extract bookkeeping init helper Rob Clark
2026-07-29 15:55 ` [PATCH v7 12/17] drm/msm/gem: Set resv before exposing obj Rob Clark
2026-07-29 16:25   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 13/17] drm/msm/gem: Validate lazy VM in GEM_NEW Rob Clark
2026-07-29 16:26   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 14/17] drm/msm: Allow lazy VM creation to fail Rob Clark
2026-07-29 16:21   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 15/17] drm/msm: Don't fallback to shared VM for VM_BIND Rob Clark
2026-07-29 16:27   ` sashiko-bot
2026-07-29 15:55 ` [PATCH v7 16/17] drm/msm: Fix per-process-pgtables check Rob Clark
2026-07-29 15:55 ` [PATCH v7 17/17] drm/msm: Fixup invalid overflow check Rob Clark

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=20260729155609.20190-1-robin.clark@oss.qualcomm.com \
    --to=robin.clark@oss.qualcomm.com \
    --cc=abelvesa@kernel.org \
    --cc=abhinav.kumar@linux.dev \
    --cc=acelan.kao@canonical.com \
    --cc=airlied@gmail.com \
    --cc=akhilpo@oss.qualcomm.com \
    --cc=christian.koenig@amd.com \
    --cc=dri-devel@lists.freedesktop.org \
    --cc=freedreno@lists.freedesktop.org \
    --cc=gregkh@linuxfoundation.org \
    --cc=heikki.krogerus@linux.intel.com \
    --cc=jesszhan0024@gmail.com \
    --cc=johan@kernel.org \
    --cc=konradybcio@kernel.org \
    --cc=linaro-mm-sig@lists.linaro.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-media@vger.kernel.org \
    --cc=linux-usb@vger.kernel.org \
    --cc=luca.ceresoli@bootlin.com \
    --cc=lumag@kernel.org \
    --cc=marijn.suijten@somainline.org \
    --cc=pooja.katiyar@intel.com \
    --cc=sean@poorly.run \
    --cc=simona@ffwll.ch \
    --cc=sumit.semwal@linaro.org \
    --cc=yuanhsinte@chromium.org \
    /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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.