linux-kernel - [PATCH 0/2] drm/gpuvm: Locking helpers

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Message-ID: <20250613235705.28006-1-robin.clark@oss.qualcomm.com>
Date: Fri, 13 Jun 2025 16:57:01 -0700
From: Rob Clark <robin.clark@....qualcomm.com>
To: dri-devel@...ts.freedesktop.org
Cc: linux-arm-msm@...r.kernel.org, freedreno@...ts.freedesktop.org,
        Danilo Krummrich <dakr@...hat.com>,
        Rob Clark <robin.clark@....qualcomm.com>,
        David Airlie <airlied@...il.com>,
        linux-kernel@...r.kernel.org (open list),
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>, Simona Vetter <simona@...ll.ch>,
        Thomas Zimmermann <tzimmermann@...e.de>
Subject: [PATCH 0/2] drm/gpuvm: Locking helpers

First patch is just some cleanup.  The second patch adds helpers for
drivers to deal with "invisible" unmapped BO locking.  Ie. a VM_BIND
ioctl won't explicitly list BOs associated with unmapped/remapped VAs
making locking all the BOs involved in a VM_BIND ioclt harder than it
needs to be.  The helpers added solves that.

Rob Clark (2):
  drm/gpuvm: Fix doc comments
  drm/gpuvm: Add locking helpers

 drivers/gpu/drm/drm_gpuvm.c | 87 +++++++++++++++++++++++++++++++++++--
 include/drm/drm_gpuvm.h     | 14 ++++--
 2 files changed, 95 insertions(+), 6 deletions(-)

-- 
2.49.0