linux-kernel - [PATCH v2 0/3] Add mutex to drm_gem

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Message-ID: <20250822-gpuva-mutex-in-gem-v2-0-c41a10d1d3b9@google.com>
Date: Fri, 22 Aug 2025 09:28:23 +0000
From: Alice Ryhl <aliceryhl@...gle.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Danilo Krummrich <dakr@...nel.org>, Boris Brezillon <boris.brezillon@...labora.com>, 
	Daniel Almeida <daniel.almeida@...labora.com>, Steven Price <steven.price@....com>, 
	Liviu Dudau <liviu.dudau@....com>, Rob Clark <robin.clark@....qualcomm.com>, 
	Rob Herring <robh@...nel.org>
Cc: Miguel Ojeda <ojeda@...nel.org>, Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	"Björn Roy Baron" <bjorn3_gh@...tonmail.com>, Benno Lossin <lossin@...nel.org>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Trevor Gross <tmgross@...ch.edu>, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	rust-for-linux@...r.kernel.org, Alice Ryhl <aliceryhl@...gle.com>
Subject: [PATCH v2 0/3] Add mutex to drm_gem_object.gpuva list

See the first patch for motivation.

Signed-off-by: Alice Ryhl <aliceryhl@...gle.com>
---
Changes in v2:
- Move the mutex_destroy() call to drm_gem_private_object_fini()
- Add a third patch to get rid of the lockdep map.
- Link to v1: https://lore.kernel.org/r/20250814-gpuva-mutex-in-gem-v1-0-e202cbfe6d77@google.com

---
Alice Ryhl (3):
      drm_gem: add mutex to drm_gem_object.gpuva
      panthor: use drm_gem_object.gpuva.lock instead of gpuva_list_lock
      gpuvm: remove gem.gpuva.lock_dep_map

 drivers/gpu/drm/drm_gem.c             |  2 ++
 drivers/gpu/drm/drm_gpuvm.c           | 30 +++++++++++++--------------
 drivers/gpu/drm/panthor/panthor_gem.c |  3 ---
 drivers/gpu/drm/panthor/panthor_gem.h | 12 -----------
 drivers/gpu/drm/panthor/panthor_mmu.c | 21 ++++++++++---------
 include/drm/drm_gem.h                 | 39 ++++++++++++++---------------------
 include/drm/drm_gpuvm.h               | 30 ++++++++++++++++++++++++---
 7 files changed, 70 insertions(+), 67 deletions(-)
---
base-commit: 3f13bcc886fc034113cb75cb32b8d9db1216b846
change-id: 20250814-gpuva-mutex-in-gem-a608ab334e51

Best regards,
-- 
Alice Ryhl <aliceryhl@...gle.com>