Clients may use a submit-fence as bidirectional bond between two or more
co-operating requests, and so if we bump the priority of one, we wish to
bump the priority of the set.

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
---
 drivers/gpu/drm/i915/i915_scheduler.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_scheduler.c 
b/drivers/gpu/drm/i915/i915_scheduler.c
index 6e2d4190099f..7194fbfcaa49 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.c
+++ b/drivers/gpu/drm/i915/i915_scheduler.c
@@ -291,6 +291,12 @@ static void __i915_schedule(struct i915_sched_node *node,
                        if (prio > READ_ONCE(p->signaler->attr.priority))
                                list_move_tail(&p->dfs_link, &dfs);
                }
+
+               list_for_each_entry(p, &node->waiters_list, wait_link) {
+                       if (p->flags & I915_DEPENDENCY_WEAK &&
+                           prio > READ_ONCE(p->waiter->attr.priority))
+                               list_move_tail(&p->dfs_link, &dfs);
+               }
        }
 
        /*
-- 
2.20.1

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to