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

[Raag Jadav]

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?

Raag