[PATCH 44/69] drm/i915/gt: Show scheduler queues when dumping state

Chris Wilson chris at chris-wilson.co.uk
Sun Jan 10 16:10:14 UTC 2021


Move the scheduler pretty printer from out of the execlists state to
match its more common location.

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/gt/intel_engine_cs.c | 33 +++++++++++++----------
 1 file changed, 19 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 1bafc02ca9f0..fdcfb23ca619 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1454,19 +1454,15 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine,
 	}
 
 	if (HAS_EXECLISTS(dev_priv)) {
-		struct i915_request * const *port, *rq;
 		const u32 *hws =
 			&engine->status_page.addr[I915_HWS_CSB_BUF0_INDEX];
 		const u8 num_entries = execlists->csb_size;
 		unsigned int idx;
 		u8 read, write;
 
-		drm_printf(m, "\tExeclist tasklet queued? %s (%s), preempt? %s, timeslice? %s\n",
-			   yesno(test_bit(TASKLET_STATE_SCHED,
-					  &engine->active.tasklet.state)),
-			   enableddisabled(!atomic_read(&engine->active.tasklet.count)),
-			   repr_timer(&engine->execlists.preempt),
-			   repr_timer(&engine->execlists.timer));
+		drm_printf(m, "\tExeclists preempt? %s, timeslice? %s\n",
+			   repr_timer(&execlists->preempt),
+			   repr_timer(&execlists->timer));
 
 		read = execlists->csb_head;
 		write = READ_ONCE(*execlists->csb_write);
@@ -1487,6 +1483,22 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine,
 			drm_printf(m, "\tExeclist CSB[%d]: 0x%08x, context: %d\n",
 				   idx, hws[idx * 2], hws[idx * 2 + 1]);
 		}
+	} else if (INTEL_GEN(dev_priv) > 6) {
+		drm_printf(m, "\tPP_DIR_BASE: 0x%08x\n",
+			   ENGINE_READ(engine, RING_PP_DIR_BASE));
+		drm_printf(m, "\tPP_DIR_BASE_READ: 0x%08x\n",
+			   ENGINE_READ(engine, RING_PP_DIR_BASE_READ));
+		drm_printf(m, "\tPP_DIR_DCLV: 0x%08x\n",
+			   ENGINE_READ(engine, RING_PP_DIR_DCLV));
+	}
+
+	if (engine->active.tasklet.func) {
+		struct i915_request * const *port, *rq;
+
+		drm_printf(m, "\tTasklet queued? %s (%s)\n",
+			   yesno(test_bit(TASKLET_STATE_SCHED,
+					  &engine->active.tasklet.state)),
+			   enableddisabled(!atomic_read(&engine->active.tasklet.count)));
 
 		i915_sched_lock_bh(&engine->active);
 		rcu_read_lock();
@@ -1520,13 +1532,6 @@ static void intel_engine_print_registers(struct intel_engine_cs *engine,
 		}
 		rcu_read_unlock();
 		i915_sched_unlock_bh(&engine->active);
-	} else if (INTEL_GEN(dev_priv) > 6) {
-		drm_printf(m, "\tPP_DIR_BASE: 0x%08x\n",
-			   ENGINE_READ(engine, RING_PP_DIR_BASE));
-		drm_printf(m, "\tPP_DIR_BASE_READ: 0x%08x\n",
-			   ENGINE_READ(engine, RING_PP_DIR_BASE_READ));
-		drm_printf(m, "\tPP_DIR_DCLV: 0x%08x\n",
-			   ENGINE_READ(engine, RING_PP_DIR_DCLV));
 	}
 }
 
-- 
2.20.1



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