[PATCH] drm/i915/selftests: Also wait for the scratch buffer to be bound

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Since PIN_GLOBAL is no longer guaranteed to be synchronous, we must no
forget to include a wait-for-vma prior to execution.

Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_workarounds.c   | 10 ++++++
 drivers/gpu/drm/i915/gt/selftest_lrc.c        | 33 +++++++++++++++++++
 .../gpu/drm/i915/gt/selftest_workarounds.c    |  9 +++++
 3 files changed, 52 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 5a7db279f702..8d7c3191137c 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1612,6 +1612,16 @@ static int engine_wa_list_verify(struct intel_context *ce,
 		goto err_vma;
 	}
 
+	i915_vma_lock(vma);
+	err = i915_request_await_object(rq, vma->obj, true);
+	if (err == 0)
+		err = i915_vma_move_to_active(vma, rq, EXEC_OBJECT_WRITE);
+	i915_vma_unlock(vma);
+	if (err) {
+		i915_request_add(rq);
+		goto err_vma;
+	}
+
 	err = wa_list_srm(rq, wal, vma);
 	if (err)
 		goto err_vma;
diff --git a/drivers/gpu/drm/i915/gt/selftest_lrc.c b/drivers/gpu/drm/i915/gt/selftest_lrc.c
index f5214a374fb7..0efb46665667 100644
--- a/drivers/gpu/drm/i915/gt/selftest_lrc.c
+++ b/drivers/gpu/drm/i915/gt/selftest_lrc.c
@@ -734,6 +734,10 @@ static int live_timeslice_preempt(void *arg)
 	if (err)
 		goto err_map;
 
+	err = i915_vma_sync(vma);
+	if (err)
+		goto err_pin;
+
 	for_each_prime_number_from(count, 1, 16) {
 		struct intel_engine_cs *engine;
 		enum intel_engine_id id;
@@ -827,6 +831,10 @@ static int live_timeslice_queue(void *arg)
 	if (err)
 		goto err_map;
 
+	err = i915_vma_sync(vma);
+	if (err)
+		goto err_unpin;
+
 	for_each_engine(engine, gt, id) {
 		struct i915_sched_attr attr = {
 			.priority = I915_USER_PRIORITY(I915_PRIORITY_MAX),
@@ -913,6 +921,7 @@ static int live_timeslice_queue(void *arg)
 			break;
 	}
 
+err_unpin:
 	i915_vma_unpin(vma);
 err_map:
 	i915_gem_object_unpin_map(obj);
@@ -971,6 +980,10 @@ static int live_busywait_preempt(void *arg)
 	if (err)
 		goto err_map;
 
+	err = i915_vma_sync(vma);
+	if (err)
+		goto err_vma;
+
 	for_each_engine(engine, gt, id) {
 		struct i915_request *lo, *hi;
 		struct igt_live_test t;
@@ -3204,6 +3217,10 @@ static int preserved_virtual_engine(struct intel_gt *gt,
 	if (IS_ERR(scratch))
 		return PTR_ERR(scratch);
 
+	err = i915_vma_sync(scratch);
+	if (err)
+		goto out_scratch;
+
 	ve = intel_execlists_create_virtual(siblings, nsibling);
 	if (IS_ERR(ve)) {
 		err = PTR_ERR(ve);
@@ -4030,8 +4047,16 @@ static int __live_lrc_state(struct intel_engine_cs *engine,
 	*cs++ = i915_ggtt_offset(scratch) + RING_TAIL_IDX * sizeof(u32);
 	*cs++ = 0;
 
+	i915_vma_lock(scratch);
+	err = i915_request_await_object(rq, scratch->obj, true);
+	if (!err)
+		err = i915_vma_move_to_active(scratch, rq, EXEC_OBJECT_WRITE);
+	i915_vma_unlock(scratch);
+
 	i915_request_get(rq);
 	i915_request_add(rq);
+	if (err)
+		goto err_rq;
 
 	intel_engine_flush_submission(engine);
 	expected[RING_TAIL_IDX] = ce->ring->tail;
@@ -4166,8 +4191,16 @@ static int __live_gpr_clear(struct intel_engine_cs *engine,
 		*cs++ = 0;
 	}
 
+	i915_vma_lock(scratch);
+	err = i915_request_await_object(rq, scratch->obj, true);
+	if (!err)
+		err = i915_vma_move_to_active(scratch, rq, EXEC_OBJECT_WRITE);
+	i915_vma_unlock(scratch);
+
 	i915_request_get(rq);
 	i915_request_add(rq);
+	if (err)
+		goto err_rq;
 
 	if (i915_request_wait(rq, 0, HZ / 5) < 0) {
 		err = -ETIME;
diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
index ac1921854cbf..5ed323254ee1 100644
--- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c
@@ -583,6 +583,15 @@ static int check_dirty_whitelist(struct intel_context *ce)
 		if (err)
 			goto err_request;
 
+		i915_vma_lock(scratch);
+		err = i915_request_await_object(rq, scratch->obj, true);
+		if (err == 0)
+			err = i915_vma_move_to_active(scratch, rq,
+						      EXEC_OBJECT_WRITE);
+		i915_vma_unlock(scratch);
+		if (err)
+			goto err_request;
+
 		err = engine->emit_bb_start(rq,
 					    batch->node.start, PAGE_SIZE,
 					    0);
-- 
2.25.0

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