[PATCH 3/3] drm/self_refresh: replace use of system_wq with system_percpu_wq

[Marco Crivellari <marco.crivellari@suse.com>]

Currently if a user enqueue a work item using schedule_delayed_work() the
used wq is "system_wq" (per-cpu wq) while queue_delayed_work() use
WORK_CPU_UNBOUND (used when a cpu is not specified). The same applies to
schedule_work() that is using system_wq and queue_work(), that makes use
again of WORK_CPU_UNBOUND.

This lack of consistency cannot be addressed without refactoring the API.

system_wq should be the per-cpu workqueue, yet in this name nothing makes
that clear, so replace system_wq with system_percpu_wq.

The old wq (system_wq) will be kept for a few release cycles.

Suggested-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Marco Crivellari <marco.crivellari@suse.com>
---
 drivers/gpu/drm/drm_self_refresh_helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_self_refresh_helper.c b/drivers/gpu/drm/drm_self_refresh_helper.c
index c0948586b7fd..36f4237efd4d 100644
--- a/drivers/gpu/drm/drm_self_refresh_helper.c
+++ b/drivers/gpu/drm/drm_self_refresh_helper.c
@@ -218,7 +218,7 @@ void drm_self_refresh_helper_alter_state(struct drm_atomic_state *state)
 			 ewma_psr_time_read(&sr_data->exit_avg_ms)) * 2;
 		mutex_unlock(&sr_data->avg_mutex);
 
-		mod_delayed_work(system_wq, &sr_data->entry_work,
+		mod_delayed_work(system_percpu_wq, &sr_data->entry_work,
 				 msecs_to_jiffies(delay));
 	}
 }
-- 
2.51.0