On Mon, 22 Jan 2024 17:30:31 +0100 Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx> wrote: > Hello, > > This is the 4th version of the kernel driver for Mali CSF-based GPUs. > > A branch based on drm-misc-next and containing all the dependencies > that are not yet available in drm-misc-next here[1], and another [2] > containing extra patches to have things working on rk3588. The CSF > firmware binary can be found here[3], and should be placed under > /lib/firmware/arm/mali/arch10.8/mali_csffw.bin. > > The mesa MR adding v10 support on top of panthor is available here [4]. > > Steve, I intentionally dropped your R-b on "drm/panthor: Add the heap > logical block" and "drm/panthor: Add the scheduler logical block" > because the tiler-OOM handling changed enough to require a new review > IMHO. > > Regarding the GPL2+MIT relicensing, I collected Clément's R-b for the > devfreq code, but am still lacking Alexey Sheplyakov for some bits in > panthor_gpu.c. The rest of the code is either new, or covered by the > Linaro, Arm and Collabora acks. > > And here is a non-exhaustive changelog, check each commit for a detailed > changelog. > > v4: > - Fix various bugs in the VM logic > - Address comments from Steven, Liviu, Ketil and Chris > - Move tiler OOM handling out of the scheduler interrupt handling path > so we can properly recover when the system runs out of memory, and > panthor is blocked trying to allocate heap chunks > - Rework the heap locking to support concurrent chunk allocation. Not > sure if this is supposed to happen, but we need to be robust against > userspace passing the same heap context to two scheduling groups. > Wasn't needed before the tiler_oom rework, because heap allocation > base serialized by the scheduler lock. > - Make kernel BO destruction robust to NULL/ERR pointers > > v3; > - Quite a few changes at the MMU/sched level to make the fix some > race conditions and deadlocks > - Addition of the a sync-only VM_BIND operation (to support > vkQueueSparseBind with zero commands). > - Addition of a VM_GET_STATE ioctl > - Various cosmetic changes (see the commit changelogs for more details) > - Various fixes (see the commit changelogs for more details) > > v2: > - Rename the driver (pancsf -> panthor) > - Split the commit adding the driver to ease review > - Use drm_sched for dependency tracking/job submission > - Add a VM_BIND ioctl > - Add the concept of exclusive VM for BOs that are only ever mapped to a > single VM > - Document the code and uAPI > - Add a DT binding doc > > Regards, > > Boris > > [1]https://gitlab.freedesktop.org/panfrost/linux/-/tree/panthor-v4 > [2]https://gitlab.freedesktop.org/panfrost/linux/-/tree/panthor-v4+rk3588 > [3]https://gitlab.com/firefly-linux/external/libmali/-/raw/firefly/firmware/g610/mali_csffw.bin Here's a link to a more recent/maintained libmali tree: [3]https://github.com/JeffyCN/mirrors/raw/libmali/firmware/g610/mali_csffw.bin > [4]https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26358 > > Boris Brezillon (13): > drm/panthor: Add uAPI > drm/panthor: Add GPU register definitions > drm/panthor: Add the device logical block > drm/panthor: Add the GPU logical block > drm/panthor: Add GEM logical block > drm/panthor: Add the devfreq logical block > drm/panthor: Add the MMU/VM logical block > drm/panthor: Add the FW logical block > drm/panthor: Add the heap logical block > drm/panthor: Add the scheduler logical block > drm/panthor: Add the driver frontend block > drm/panthor: Allow driver compilation > drm/panthor: Add an entry to MAINTAINERS > > Liviu Dudau (1): > dt-bindings: gpu: mali-valhall-csf: Add support for Arm Mali CSF GPUs > > .../bindings/gpu/arm,mali-valhall-csf.yaml | 147 + > Documentation/gpu/driver-uapi.rst | 5 + > MAINTAINERS | 11 + > drivers/gpu/drm/Kconfig | 2 + > drivers/gpu/drm/Makefile | 1 + > drivers/gpu/drm/panthor/Kconfig | 23 + > drivers/gpu/drm/panthor/Makefile | 15 + > drivers/gpu/drm/panthor/panthor_devfreq.c | 283 ++ > drivers/gpu/drm/panthor/panthor_devfreq.h | 25 + > drivers/gpu/drm/panthor/panthor_device.c | 544 +++ > drivers/gpu/drm/panthor/panthor_device.h | 393 ++ > drivers/gpu/drm/panthor/panthor_drv.c | 1470 +++++++ > drivers/gpu/drm/panthor/panthor_fw.c | 1334 +++++++ > drivers/gpu/drm/panthor/panthor_fw.h | 504 +++ > drivers/gpu/drm/panthor/panthor_gem.c | 228 ++ > drivers/gpu/drm/panthor/panthor_gem.h | 144 + > drivers/gpu/drm/panthor/panthor_gpu.c | 482 +++ > drivers/gpu/drm/panthor/panthor_gpu.h | 52 + > drivers/gpu/drm/panthor/panthor_heap.c | 596 +++ > drivers/gpu/drm/panthor/panthor_heap.h | 39 + > drivers/gpu/drm/panthor/panthor_mmu.c | 2760 +++++++++++++ > drivers/gpu/drm/panthor/panthor_mmu.h | 102 + > drivers/gpu/drm/panthor/panthor_regs.h | 239 ++ > drivers/gpu/drm/panthor/panthor_sched.c | 3500 +++++++++++++++++ > drivers/gpu/drm/panthor/panthor_sched.h | 48 + > include/uapi/drm/panthor_drm.h | 945 +++++ > 26 files changed, 13892 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpu/arm,mali-valhall-csf.yaml > create mode 100644 drivers/gpu/drm/panthor/Kconfig > create mode 100644 drivers/gpu/drm/panthor/Makefile > create mode 100644 drivers/gpu/drm/panthor/panthor_devfreq.c > create mode 100644 drivers/gpu/drm/panthor/panthor_devfreq.h > create mode 100644 drivers/gpu/drm/panthor/panthor_device.c > create mode 100644 drivers/gpu/drm/panthor/panthor_device.h > create mode 100644 drivers/gpu/drm/panthor/panthor_drv.c > create mode 100644 drivers/gpu/drm/panthor/panthor_fw.c > create mode 100644 drivers/gpu/drm/panthor/panthor_fw.h > create mode 100644 drivers/gpu/drm/panthor/panthor_gem.c > create mode 100644 drivers/gpu/drm/panthor/panthor_gem.h > create mode 100644 drivers/gpu/drm/panthor/panthor_gpu.c > create mode 100644 drivers/gpu/drm/panthor/panthor_gpu.h > create mode 100644 drivers/gpu/drm/panthor/panthor_heap.c > create mode 100644 drivers/gpu/drm/panthor/panthor_heap.h > create mode 100644 drivers/gpu/drm/panthor/panthor_mmu.c > create mode 100644 drivers/gpu/drm/panthor/panthor_mmu.h > create mode 100644 drivers/gpu/drm/panthor/panthor_regs.h > create mode 100644 drivers/gpu/drm/panthor/panthor_sched.c > create mode 100644 drivers/gpu/drm/panthor/panthor_sched.h > create mode 100644 include/uapi/drm/panthor_drm.h >
