Re: [PATCH v5 00/14] drm: Add a driver for CSF-based Mali GPUs

["Heiko Stübner" <heiko@sntech.de>]

Am Sonntag, 18. Februar 2024, 22:41:14 CET schrieb Boris Brezillon:
> Hello,
> 
> This is the 5th version of the kernel driver for Mali CSF-based GPUs,
> and, unless someone has good reasons to block the merging of this
> driver, I expect it to be the last one (the gallium driver is now
> in a decent state, and is mostly waiting for the kernel driver to
> be accepted).
> 
> A branch based on drm-misc-next is available here[1], and here is
> another one [2] containing extra patches to have things working on
> rk3588. The CSF firmware binary is now merged in linux-firmware [3].
> 
> The mesa MR adding v10 support on top of panthor is available here [4].
> 
> Here is a non-exhaustive changelog, check each commit for a detailed
> changelog.
> 
> v5:
> - No fundamental changes in this v5
> - Various bug fixes (see the per-commit changelogs)
> - Various docs/typos fixes
> 
> 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
> 
> [1]https://gitlab.freedesktop.org/panfrost/linux/-/tree/panthor-v5
> [2]https://gitlab.freedesktop.org/panfrost/linux/-/tree/panthor-v5+rk3588
> [3]https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/arm/mali/arch10.8
> [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

on a rk3588-jaguar with pending hdmi patches
Tested-by: Heiko Stuebner <heiko@sntech.de>

Also the series looks nice to my cursory glance, so
Acked-by: Heiko Stuebner <heiko@sntech.de>