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a=openpgp-sha256; l=1915; i=aliceryhl@google.com; h=from:subject:message-id; bh=YUJy7negUaDa3i/z93UmgA296mGxFrrof52RqnC+Knc=; b=owEBbQKS/ZANAwAKAQRYvu5YxjlGAcsmYgBpKa4+Ob9zfXNKSCD2DFuIEJCWhazHrkpyvwSJo grxNOXFGJaJAjMEAAEKAB0WIQSDkqKUTWQHCvFIvbIEWL7uWMY5RgUCaSmuPgAKCRAEWL7uWMY5 Rs2LD/0QRiHXFNcsZ2UklzNBRGR+4GXh5VPmeo0TsfZfMCGPmTcBU9l1WecM8NywQUPp8ZomNB/ rwHrXrvSsnUse/tDhhhk/e9OTimR8oPwJeESKrQv9nz6zzeAjX659YQu500CDt/WT2t2jsjjEAl CNtQRslkrFsfdypRq9MpxlittBcgMxXK/e0fJhVNpxGxYnk2pWI871g28GawhxjNJyrGBlf/g7g fUSepFjOCu3Xkho19aoO7I5fVZxjjbTG0EKs55RHfX1gwkmEO7aWO5kf4uhoemwqS2fHAvVeFNa BdVUXvDpPHF+pykOAyiNApNvuEwnYy9L1DhrctFxYr9YBQBo9G6kNvV/vi7ayj8vfTW5j55mFOz Id04xAmbps5UenSTRvSs3wNbVeT9ucvdli2v6FZEg5xrtxLg+vxNLgbR4+GwhHqfGlxOGW6ha6s cvrA4DL9Qgo7r1+bcqCAJuCDq0myOvN2O2j5cYQ7Z0DyYd2DKRpbxWsnVujocaMxY1/m2rMr4vj GYY+V3U+U2BdvMWNUWdYUvtgtQcpyefH1P1JcV1EzsB33B4TZx+UcIDUiliWIB7+4cfURnadtVI VUx0tRJwBnfii0nwY4yFFNBjzHPStgTKBzg6kfBXZ8Gfy6covgoZ8LEjfSTYaRUYArQyGr89AyP eGFLCahwk9vk6AA== X-Mailer: b4 0.14.2 Message-ID: <20251128-gpuvm-rust-v1-0-ebf66bf234e0@google.com> Subject: [PATCH 0/4] Rust GPUVM support From: Alice Ryhl To: Danilo Krummrich , Daniel Almeida Cc: Matthew Brost , "=?utf-8?q?Thomas_Hellstr=C3=B6m?=" , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Boris Brezillon , Steven Price , Liviu Dudau , Miguel Ojeda , Boqun Feng , Gary Guo , "=?utf-8?q?Bj=C3=B6rn_Roy_Baron?=" , Benno Lossin , Andreas Hindborg , Trevor Gross , Frank Binns , Matt Coster , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , Lyude Paul , Lucas De Marchi , Rodrigo Vivi , Sumit Semwal , "=?utf-8?q?Christian_K=C3=B6nig?=" , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, nouveau@lists.freedesktop.org, intel-xe@lists.freedesktop.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, Alice Ryhl , Asahi Lina Content-Type: text/plain; charset="utf-8" X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" This makes a few changes to the way immediate mode works, and then it implements a Rust immediate mode GPUVM abstraction on top of that. Please see the following branch for example usage in Tyr: https://gitlab.freedesktop.org/panfrost/linux/-/merge_requests/53 For context, please see this previous patch: https://lore.kernel.org/rust-for-linux/20250621-gpuvm-v3-1-10203da06867@collabora.com/ and the commit message of the last patch. Signed-off-by: Alice Ryhl --- Alice Ryhl (4): drm/gpuvm: take GEM lock inside drm_gpuvm_bo_obtain_prealloc() drm/gpuvm: drm_gpuvm_bo_obtain() requires lock and staged mode drm/gpuvm: use const for drm_gpuva_op_* ptrs rust: drm: add GPUVM immediate mode abstraction MAINTAINERS | 1 + drivers/gpu/drm/drm_gpuvm.c | 80 ++++-- drivers/gpu/drm/imagination/pvr_vm.c | 2 +- drivers/gpu/drm/msm/msm_gem.h | 2 +- drivers/gpu/drm/msm/msm_gem_vma.c | 2 +- drivers/gpu/drm/nouveau/nouveau_uvmm.c | 2 +- drivers/gpu/drm/panthor/panthor_mmu.c | 10 - drivers/gpu/drm/xe/xe_vm.c | 4 +- include/drm/drm_gpuvm.h | 12 +- rust/bindings/bindings_helper.h | 2 + rust/helpers/drm_gpuvm.c | 43 +++ rust/helpers/helpers.c | 1 + rust/kernel/drm/gpuvm/mod.rs | 394 +++++++++++++++++++++++++++ rust/kernel/drm/gpuvm/sm_ops.rs | 469 +++++++++++++++++++++++++++++++++ rust/kernel/drm/gpuvm/va.rs | 148 +++++++++++ rust/kernel/drm/gpuvm/vm_bo.rs | 213 +++++++++++++++ rust/kernel/drm/mod.rs | 1 + 17 files changed, 1337 insertions(+), 49 deletions(-) --- base-commit: 77b686f688126a5f758b51441a03186e9eb1b0f1 change-id: 20251128-gpuvm-rust-b719cac27ad6 Best regards, -- Alice Ryhl