Kick the scheduler to allow it to see the timeslice duration change,
don't peek into execlists.

Signed-off-by: Chris Wilson <[email protected]>
Reviewed-by: Tvrtko Ursulin <[email protected]>
---
 drivers/gpu/drm/i915/gt/sysfs_engines.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/sysfs_engines.c 
b/drivers/gpu/drm/i915/gt/sysfs_engines.c
index 57ef5383dd4e..70506f43d6be 100644
--- a/drivers/gpu/drm/i915/gt/sysfs_engines.c
+++ b/drivers/gpu/drm/i915/gt/sysfs_engines.c
@@ -222,9 +222,7 @@ timeslice_store(struct kobject *kobj, struct kobj_attribute 
*attr,
                return -EINVAL;
 
        WRITE_ONCE(engine->props.timeslice_duration_ms, duration);
-
-       if (execlists_active(&engine->execlists))
-               set_timer_ms(&engine->execlists.timer, duration);
+       intel_engine_kick_scheduler(engine);
 
        return count;
 }
@@ -326,9 +324,7 @@ preempt_timeout_store(struct kobject *kobj, struct 
kobj_attribute *attr,
                return -EINVAL;
 
        WRITE_ONCE(engine->props.preempt_timeout_ms, timeout);
-
-       if (READ_ONCE(engine->execlists.pending[0]))
-               set_timer_ms(&engine->execlists.preempt, timeout);
+       intel_engine_kick_scheduler(engine);
 
        return count;
 }
-- 
2.20.1

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