Hi, On Wed, Nov 22, 2023 at 04:34:21PM +0000, Donald Robson wrote: > This patch series adds the initial DRM driver for Imagination Technologies PowerVR > GPUs, starting with those based on our Rogue architecture. It's worth pointing > out that this is a new driver, written from the ground up, rather than a > refactored version of our existing downstream driver (pvrsrvkm). > > This new DRM driver supports: > - GEM shmem allocations > - dma-buf / PRIME > - Per-context userspace managed virtual address space > - DRM sync objects (binary and timeline) > - Power management suspend / resume > - GPU job submission (geometry, fragment, compute, transfer) > - META firmware processor > - MIPS firmware processor > - GPU hang detection and recovery > > Currently our main focus is on the AXE-1-16M GPU. Testing so far has been done > using a TI SK-AM62 board (AXE-1-16M GPU). The driver has also been confirmed to > work on the BeaglePlay board. Firmware for the AXE-1-16M can be found here: > https://gitlab.freedesktop.org/frankbinns/linux-firmware/-/tree/powervr > > A Vulkan driver that works with our downstream kernel driver has already been > merged into Mesa [1][2]. Support for this new DRM driver is being maintained in > a merge request [3], with the branch located here: > https://gitlab.freedesktop.org/frankbinns/mesa/-/tree/powervr-winsys > > Vulkan driver links referred to above: > [1] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15243 > [2] https://gitlab.freedesktop.org/mesa/mesa/-/tree/main/src/imagination/vulkan > [3] https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15507 > > Job stream formats are documented at: > https://gitlab.freedesktop.org/mesa/mesa/-/blob/f8d2b42ae65c2f16f36a43e0ae39d288431e4263/src/imagination/csbgen/rogue_kmd_stream.xml > > The Vulkan driver is progressing towards Vulkan 1.0. The current combination of this > kernel driver with the Mesa Vulkan driver (powervr-mesa-next branch) successfully > completes Vulkan CTS 1.3.4.1 in our local runs. The driver is expected to pass the > Khronos Conformance Process once the submission is made. > > The code in this patch series, along with the needed dts changes can be found here: > https://gitlab.freedesktop.org/frankbinns/powervr/-/tree/dev/v9_dts > The full development history can be found here: > https://gitlab.freedesktop.org/frankbinns/powervr/-/tree/powervr-next I just merged all the patches to drm-misc-next. Congrats :) Maxime
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