On 17/09/2025 20:18, 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, but at the moment that includes priorities only. > > There's a MR for a Mesa commit series that makes use of these changes: > https://lore.kernel.org/dri-devel/20250904001054.147465-1-adrian.laru...@collabora.com/ > > Discussion of the previous patch series revision can be found at: > https://lore.kernel.org/dri-devel/20250912132002.304187-1-adrian.laru...@collabora.com/
Pushed to drm-misc-next. Thanks, Steve > > Changelog: > v4: > - Iterate over all the indices for the scheduler entity array when creating, > releasing or otherwise destroying a job context, in case someone would want > to > implement compute support in the future. > - Add R-b tags to other patches. > v3: > - Cut down number of available contexts per file to 64. > - Conservatively restored JS thread priority back to 8. > - Rework of the context destruction and scheduler entity release > logic to avoid races and that no new jobs are run after ctx destruction. > - Refactor privilege checks when allowing high context priorities. > - Checked that uapi struct padding fields are zeroed in ioctls > > v2: > - Core and L2 cache affinities are not longer part of the context uAPI > - Individual JS priorites are no longer possible, and the same context > priority is applied onto all the JS and scheduler entities. > - Minor changes in the debugfs knob to reflect all the above. > > Boris Brezillon (4): > drm/panfrost: Introduce uAPI for JM context creation > drm/panfrost: Introduce JM contexts 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 | 11 +- > drivers/gpu/drm/panfrost/panfrost_drv.c | 150 +++++++++++++++- > drivers/gpu/drm/panfrost/panfrost_job.c | 195 +++++++++++++++++---- > drivers/gpu/drm/panfrost/panfrost_job.h | 25 ++- > include/uapi/drm/panfrost_drm.h | 50 ++++++ > 5 files changed, 391 insertions(+), 40 deletions(-) > > > base-commit: a3ae3384be7704fcf41279f13190bd8a11204bea > -- > 2.51.0
