[PATCH] drm/etnaviv: don't block scheduler when GPU is still active

[Philipp Zabel]

On Fr, 2024-06-21 at 21:59 +0200, Lucas Stach wrote:
> Since 45ecaea73883 ("drm/sched: Partial revert of 'drm/sched: Keep
> s_fence->parent pointer'") still active jobs aren't put back in the
> pending list on drm_sched_start(), as they don't have a active
> parent fence anymore, so if the GPU is still working and the timeout
> is extended, all currently active jobs will be freed.
> 
> To avoid prematurely freeing jobs that are still active on the GPU,
> don't block the scheduler until we are fully committed to actually
> reset the GPU.
> 
> As the current job is already removed from the pending list and
> will not be put back when drm_sched_start() isn't called, we must
> make sure to put the job back on the pending list when extending
> the timeout.
> 
> Cc: stable at vger.kernel.org #6.0
> Signed-off-by: Lucas Stach <l.stach at pengutronix.de>

Reviewed-by: Philipp Zabel <p.zabel at pengutronix.de>

regards
Philipp