Re: [PATCH 05/27] drm/i915/guc: Process all G2H message at once in work queue

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On 8/18/2021 11:16 PM, Matthew Brost wrote:
Rather than processing 1 G2H at a time and re-queuing the work queue if
more messages exist, process all the G2H in a single pass of the work
queue.

Signed-off-by: Matthew Brost <matthew.brost@xxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>

Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>

Daniele

---
  drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 6 +++---
  1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 22b4733b55e2..20c710a74498 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -1042,9 +1042,9 @@ static void ct_incoming_request_worker_func(struct work_struct *w)
  		container_of(w, struct intel_guc_ct, requests.worker);
  	bool done;
- done = ct_process_incoming_requests(ct);
-	if (!done)
-		queue_work(system_unbound_wq, &ct->requests.worker);
+	do {
+		done = ct_process_incoming_requests(ct);
+	} while (!done);
  }
static int ct_handle_event(struct intel_guc_ct *ct, struct ct_incoming_msg *request)




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