[CI,1/2] drm/i915/gt: Move new timelines to the end of active_list
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Message ID 20191119162559.3313003-1-chris@chris-wilson.co.uk
State New
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  • [CI,1/2] drm/i915/gt: Move new timelines to the end of active_list
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Commit Message

Chris Wilson Nov. 19, 2019, 4:25 p.m. UTC
When adding a new active timeline, place it at the end of the list. This
allows for intel_gt_retire_requests() to pick up the newcomer more
quickly and hopefully complete the retirement sooner. A miniscule

References: 7936a22dd466 ("drm/i915/gt: Wait for new requests in intel_gt_retire_requests()")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
 drivers/gpu/drm/i915/gt/intel_timeline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c
index 16a9e88d93de..0e277835aad0 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.c
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.c
@@ -342,7 +342,7 @@  void intel_timeline_enter(struct intel_timeline *tl)
 	GEM_BUG_ON(!tl->active_count); /* overflow? */
 	spin_lock_irqsave(&timelines->lock, flags);
-	list_add(&tl->link, &timelines->active_list);
+	list_add_tail(&tl->link, &timelines->active_list);
 	spin_unlock_irqrestore(&timelines->lock, flags);