On Thu, 13 Nov 2025 11:57:32 +0100 Boris Brezillon <[email protected]> wrote:
> This patch series includes previously attempted patches to fix panthor > scheduler issues with spurious timeouts and issues when a termination > failed which would lead to a race condition. > > Timeout recovery has been tested with some IGT tests issuing jobs with > infinite loops [1]. It's certainly not enough to claim that everything > works as it should, but that's still more testing than we had so far > ;-). > > [1]https://gitlab.freedesktop.org/bbrezillon/igt-gpu-tools/-/commit/15c3ee220808a437a76638bd21fedfb4498a434f > > Changes in v8: > - Don't touch drm_gpu_scheduler::timeout > > Changes in v7: > - Add Steve's R-b > - Use the local group variable when we can > > Changes in v6: > - Re-order changes > - Dropped the Fixes tag on one patch > - Cover UAF situation when the timeout work is pending/running at group > destruction time > Changes in v5: > - Swiched to a patch series to make sure the patch which addresses the > bug is added as a requirement on the scheduler patch. > Changes in v4: > - Moved code related to a timeout bug to a separate patch as this > was not relevant to this change. > Changes in v3: > - Moved to a patch series to make sure this bug fix happens before the > changes to the scheduler > Changes in v2: > - Fixed syntax error > > Ashley Smith (2): > drm/panthor: Make the timeout per-queue instead of per-job > drm/panthor: Reset queue slots if termination fails Queued to drm-misc-next. > > drivers/gpu/drm/panthor/panthor_sched.c | 295 +++++++++++++++++------- > 1 file changed, 213 insertions(+), 82 deletions(-) >
