linux-kernel - Re: [PATCH 0/5] Introduce Panfrost JM contexts

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Message-ID: <3ren5nysulgowtvaqfnsysn5qcsuhlov7orxzbuzfje4oyzis6@jzdougkthyry>
Date: Fri, 29 Aug 2025 00:19:39 +0100
From: Adrián Larumbe <adrian.larumbe@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: dri-devel@...ts.freedesktop.org, 
	Boris Brezillon <boris.brezillon@...labora.com>, kernel@...labora.com
Subject: Re: [PATCH 0/5] Introduce Panfrost JM contexts

Mesa MR with the UM driver changes is available at:
https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37075

On 28.08.2025 03:34, Adrián Larumbe wrote:
> This patch series brings the notion of JM contexts into Panfrost.
> UM will be able to create contexts, get a handle for them and attach
> it to a job submission. Contexts describe basic HW resource assignment
> to jobs, and also their job slot priorities.
>
> A Mesa MR with UM changes that leverage this new kernel driver feature
> is still in the making.
>
> Boris Brezillon (5):
>   drm/panfrost: Add job slot register defs for affinity
>   drm/panfrost: Introduce uAPI for JM context creation
>   drm/panfrost: Introduce JM context for manging job resources
>   drm/panfrost: Expose JM context IOCTLs to UM
>   drm/panfrost: Display list of device JM contexts over debugfs
>
>  drivers/gpu/drm/panfrost/panfrost_device.h |   4 +-
>  drivers/gpu/drm/panfrost/panfrost_drv.c    | 152 +++++++++++-
>  drivers/gpu/drm/panfrost/panfrost_job.c    | 270 +++++++++++++++++----
>  drivers/gpu/drm/panfrost/panfrost_job.h    |  27 ++-
>  drivers/gpu/drm/panfrost/panfrost_regs.h   |   6 +
>  include/uapi/drm/panfrost_drm.h            |  93 +++++++
>  6 files changed, 494 insertions(+), 58 deletions(-)
>
>
> base-commit: 5c76c794bf29399394ebacaa5af8436b8bed0d46
> --
> 2.50.0

Adrian Larumbe