Re: [PATCH v2 0/8] drm/panthor: Misc scheduler fixes

[Boris Brezillon <boris.brezillon@collabora.com>]

On Wed, 12 Nov 2025 12:51:34 +0100
Boris Brezillon <boris.brezillon@collabora.com> wrote:

> Hello,
> 
> This series is a collection of fixes that seem to address the problem
> reported here [1]. In order to validate those changes, I added a few
> IGT tests [2], but I'd like to extend the test coverage before claiming
> this is working properly. Until I get to it, I thought I'd post what
> I have for preliminary review/testing.

I've posted the IGT patches to make sure the bugs fixed here are caught
if it ever regresses again. If there's no objection, I'd like to merge
those patches before the end of the week (given we're passed the 6.19
branching point, this should give us plenty of time to address
regressions, if any).

> 
> No major changes in this version, for more details, check the changelog
> in each patch.
> 
> Regards,
> 
> Boris
> 
> [1]https://gitlab.freedesktop.org/panfrost/linux/-/issues/48
> [2]https://gitlab.freedesktop.org/bbrezillon/igt-gpu-tools/-/tree/panthor-sched?ref_type=heads
> 
> Boris Brezillon (8):
>   drm/panthor: Simplify group idleness tracking
>   drm/panthor: Don't try to enable extract events
>   drm/panthor: Fix the group priority rotation logic
>   drm/panthor: Fix the full_tick check
>   drm/panthor: Fix immediate ticking on a disabled tick
>   drm/panthor: Fix the logic that decides when to stop ticking
>   drm/panthor: Make sure we resume the tick when new jobs are submitted
>   drm/panthor: Kill panthor_sched_immediate_tick()
> 
>  drivers/gpu/drm/panthor/panthor_sched.c | 190 ++++++++++++------------
>  1 file changed, 98 insertions(+), 92 deletions(-)
>