[Intel-gfx] [PATCH] drm/i915/execlists: Show the "switch priority hint" in dumps

Chris Wilson chris at chris-wilson.co.uk
Thu Mar 5 13:58:43 UTC 2020


Show the timeslicing priority hint in engine dumps to aide debugging.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 5da86a40434c..16a023ac4604 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -5317,11 +5317,15 @@ void intel_execlists_show_requests(struct intel_engine_cs *engine,
 		show_request(m, last, "\t\tE ");
 	}
 
-	last = NULL;
-	count = 0;
+	if (execlists->switch_priority_hint != INT_MIN)
+		drm_printf(m, "\t\tSwitch priority hint: %d\n",
+			   execlists->switch_priority_hint);
 	if (execlists->queue_priority_hint != INT_MIN)
 		drm_printf(m, "\t\tQueue priority hint: %d\n",
 			   execlists->queue_priority_hint);
+
+	last = NULL;
+	count = 0;
 	for (rb = rb_first_cached(&execlists->queue); rb; rb = rb_next(rb)) {
 		struct i915_priolist *p = rb_entry(rb, typeof(*p), node);
 		int i;
-- 
2.25.1



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