Currently, we reset the timer after a pre-eemption event. This has the side-effect that the timeslice runs into the second context after the first is completed. To be more fair, we want to reset the clock after promotion as well. Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> --- drivers/gpu/drm/i915/gt/intel_lrc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 28b1fbcb4370..3f1f55327506 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -2289,7 +2289,6 @@ static void process_csb(struct intel_engine_cs *engine) /* Point active to the new ELSP; prevent overwriting */ WRITE_ONCE(execlists->active, execlists->pending); - set_timeslice(engine); if (!inject_preempt_hang(execlists)) ring_set_paused(engine, 0); @@ -2329,6 +2328,9 @@ static void process_csb(struct intel_engine_cs *engine) } } while (head != tail); + if (execlists_active(execlists)) + set_timeslice(engine); + execlists->csb_head = head; /* -- 2.25.0.rc1 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
