[PATCH 1/2] drm/xe: introduce xe_gt_reset_wait to wait for async gt reset

[Raag Jadav]

On Mon, Dec 09, 2024 at 04:42:49PM +0200, Raag Jadav wrote:
> On Mon, Dec 09, 2024 at 03:12:09PM +0100, Maciej Patelczyk wrote:
> > The reset of the GT is asynchronous.
> > Adding a wait helper to wait until gt reset is done.
> > 
> > Signed-off-by: Maciej Patelczyk <maciej.patelczyk at intel.com>
> > ---
> >  drivers/gpu/drm/xe/tests/xe_bo.c   |  2 +-
> >  drivers/gpu/drm/xe/tests/xe_mocs.c |  2 +-
> >  drivers/gpu/drm/xe/xe_gt.h         | 12 ++++++++++++
> >  drivers/gpu/drm/xe/xe_gt_debugfs.c |  2 +-
> >  4 files changed, 15 insertions(+), 3 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/xe/tests/xe_bo.c b/drivers/gpu/drm/xe/tests/xe_bo.c
> > index c9ec7a313c6b..b51434fc5bd1 100644
> > --- a/drivers/gpu/drm/xe/tests/xe_bo.c
> > +++ b/drivers/gpu/drm/xe/tests/xe_bo.c
> > @@ -266,7 +266,7 @@ static int evict_test_run_tile(struct xe_device *xe, struct xe_tile *tile, struc
> >  		 */
> >  		for_each_gt(__gt, xe, id) {
> >  			xe_gt_reset_async(__gt);
> > -			flush_work(&__gt->reset.worker);
> > +			xe_gt_reset_wait(__gt);
> 
> Why not just create a
> 
> void xe_gt_reset_sync(gt)
> {
> 	xe_gt_reset_async()
> 	flush_work()
> }
> 
> and use it instead?

Or perhaps reuse force_reset_sync()?

Raag