We also want to support preemption with GuC submission backend.
In order to do that, we need to remember the priority, like we do on
execlists path.
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Cc: Jeff Mcgee <jeff.mc...@intel.com>
Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
Signed-off-by: Michał Winiarski <michal.winiar...@intel.com>
---
drivers/gpu/drm/i915/i915_guc_submission.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c
b/drivers/gpu/drm/i915/i915_guc_submission.c
index 2ce2bd6ed509..0f36bba9fc9e 100644
--- a/drivers/gpu/drm/i915/i915_guc_submission.c
+++ b/drivers/gpu/drm/i915/i915_guc_submission.c
@@ -598,7 +598,6 @@ static void i915_guc_dequeue(struct intel_engine_cs *engine)
}
INIT_LIST_HEAD(&rq->priotree.link);
- rq->priotree.priority = INT_MAX;
__i915_gem_request_submit(rq);
trace_i915_gem_request_in(rq, port_index(port,
execlists));
@@ -633,6 +632,7 @@ static void i915_guc_irq_handler(unsigned long data)
rq = port_request(&port[0]);
while (rq && i915_gem_request_completed(rq)) {
trace_i915_gem_request_out(rq);
+ rq->priotree.priority = INT_MAX;
i915_gem_request_put(rq);
execlists_port_complete(execlists, port);
--
2.13.5
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