1 files changed, 219 insertions, 17 deletions

diff --git a/drivers/gpu/drm/i915/selftests/i915_request.c b/drivers/gpu/drm/i915/selftests/i915_request.c
index 64bbb8288249..db367a6721c5 100644
--- a/drivers/gpu/drm/i915/selftests/i915_request.c
+++ b/drivers/gpu/drm/i915/selftests/i915_request.c
@@ -33,6 +33,7 @@
 #include "gt/intel_engine_pm.h"
 #include "gt/intel_engine_user.h"
 #include "gt/intel_gt.h"
+#include "gt/intel_gt_clock_utils.h"
 #include "gt/intel_gt_requests.h"
 #include "gt/selftest_engine_heartbeat.h"
 
@@ -608,6 +609,206 @@ static int live_nop_request(void *arg)
 	return err;
 }
 
+static int __cancel_inactive(struct intel_engine_cs *engine)
+{
+	struct intel_context *ce;
+	struct igt_spinner spin;
+	struct i915_request *rq;
+	int err = 0;
+
+	if (igt_spinner_init(&spin, engine->gt))
+		return -ENOMEM;
+
+	ce = intel_context_create(engine);
+	if (IS_ERR(ce)) {
+		err = PTR_ERR(ce);
+		goto out_spin;
+	}
+
+	rq = igt_spinner_create_request(&spin, ce, MI_ARB_CHECK);
+	if (IS_ERR(rq)) {
+		err = PTR_ERR(rq);
+		goto out_ce;
+	}
+
+	pr_debug("%s: Cancelling inactive request\n", engine->name);
+	i915_request_cancel(rq, -EINTR);
+	i915_request_get(rq);
+	i915_request_add(rq);
+
+	if (i915_request_wait(rq, 0, HZ / 5) < 0) {
+		struct drm_printer p = drm_info_printer(engine->i915->drm.dev);
+
+		pr_err("%s: Failed to cancel inactive request\n", engine->name);
+		intel_engine_dump(engine, &p, "%s\n", engine->name);
+		err = -ETIME;
+		goto out_rq;
+	}
+
+	if (rq->fence.error != -EINTR) {
+		pr_err("%s: fence not cancelled (%u)\n",
+		       engine->name, rq->fence.error);
+		err = -EINVAL;
+	}
+
+out_rq:
+	i915_request_put(rq);
+out_ce:
+	intel_context_put(ce);
+out_spin:
+	igt_spinner_fini(&spin);
+	if (err)
+		pr_err("%s: %s error %d\n", __func__, engine->name, err);
+	return err;
+}
+
+static int __cancel_active(struct intel_engine_cs *engine)
+{
+	struct intel_context *ce;
+	struct igt_spinner spin;
+	struct i915_request *rq;
+	int err = 0;
+
+	if (igt_spinner_init(&spin, engine->gt))
+		return -ENOMEM;
+
+	ce = intel_context_create(engine);
+	if (IS_ERR(ce)) {
+		err = PTR_ERR(ce);
+		goto out_spin;
+	}
+
+	rq = igt_spinner_create_request(&spin, ce, MI_ARB_CHECK);
+	if (IS_ERR(rq)) {
+		err = PTR_ERR(rq);
+		goto out_ce;
+	}
+
+	pr_debug("%s: Cancelling active request\n", engine->name);
+	i915_request_get(rq);
+	i915_request_add(rq);
+	if (!igt_wait_for_spinner(&spin, rq)) {
+		struct drm_printer p = drm_info_printer(engine->i915->drm.dev);
+
+		pr_err("Failed to start spinner on %s\n", engine->name);
+		intel_engine_dump(engine, &p, "%s\n", engine->name);
+		err = -ETIME;
+		goto out_rq;
+	}
+	i915_request_cancel(rq, -EINTR);
+
+	if (i915_request_wait(rq, 0, HZ / 5) < 0) {
+		struct drm_printer p = drm_info_printer(engine->i915->drm.dev);
+
+		pr_err("%s: Failed to cancel active request\n", engine->name);
+		intel_engine_dump(engine, &p, "%s\n", engine->name);
+		err = -ETIME;
+		goto out_rq;
+	}
+
+	if (rq->fence.error != -EINTR) {
+		pr_err("%s: fence not cancelled (%u)\n",
+		       engine->name, rq->fence.error);
+		err = -EINVAL;
+	}
+
+out_rq:
+	i915_request_put(rq);
+out_ce:
+	intel_context_put(ce);
+out_spin:
+	igt_spinner_fini(&spin);
+	if (err)
+		pr_err("%s: %s error %d\n", __func__, engine->name, err);
+	return err;
+}
+
+static int __cancel_completed(struct intel_engine_cs *engine)
+{
+	struct intel_context *ce;
+	struct igt_spinner spin;
+	struct i915_request *rq;
+	int err = 0;
+
+	if (igt_spinner_init(&spin, engine->gt))
+		return -ENOMEM;
+
+	ce = intel_context_create(engine);
+	if (IS_ERR(ce)) {
+		err = PTR_ERR(ce);
+		goto out_spin;
+	}
+
+	rq = igt_spinner_create_request(&spin, ce, MI_ARB_CHECK);
+	if (IS_ERR(rq)) {
+		err = PTR_ERR(rq);
+		goto out_ce;
+	}
+	igt_spinner_end(&spin);
+	i915_request_get(rq);
+	i915_request_add(rq);
+
+	if (i915_request_wait(rq, 0, HZ / 5) < 0) {
+		err = -ETIME;
+		goto out_rq;
+	}
+
+	pr_debug("%s: Cancelling completed request\n", engine->name);
+	i915_request_cancel(rq, -EINTR);
+	if (rq->fence.error) {
+		pr_err("%s: fence not cancelled (%u)\n",
+		       engine->name, rq->fence.error);
+		err = -EINVAL;
+	}
+
+out_rq:
+	i915_request_put(rq);
+out_ce:
+	intel_context_put(ce);
+out_spin:
+	igt_spinner_fini(&spin);
+	if (err)
+		pr_err("%s: %s error %d\n", __func__, engine->name, err);
+	return err;
+}
+
+static int live_cancel_request(void *arg)
+{
+	struct drm_i915_private *i915 = arg;
+	struct intel_engine_cs *engine;
+
+	/*
+	 * Check cancellation of requests. We expect to be able to immediately
+	 * cancel active requests, even if they are currently on the GPU.
+	 */
+
+	for_each_uabi_engine(engine, i915) {
+		struct igt_live_test t;
+		int err, err2;
+
+		if (!intel_engine_has_preemption(engine))
+			continue;
+
+		err = igt_live_test_begin(&t, i915, __func__, engine->name);
+		if (err)
+			return err;
+
+		err = __cancel_inactive(engine);
+		if (err == 0)
+			err = __cancel_active(engine);
+		if (err == 0)
+			err = __cancel_completed(engine);
+
+		err2 = igt_live_test_end(&t);
+		if (err)
+			return err;
+		if (err2)
+			return err2;
+	}
+
+	return 0;
+}
+
 static struct i915_vma *empty_batch(struct drm_i915_private *i915)
 {
 	struct drm_i915_gem_object *obj;
@@ -619,7 +820,7 @@ static struct i915_vma *empty_batch(struct drm_i915_private *i915)
 	if (IS_ERR(obj))
 		return ERR_CAST(obj);
 
-	cmd = i915_gem_object_pin_map(obj, I915_MAP_WB);
+	cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WB);
 	if (IS_ERR(cmd)) {
 		err = PTR_ERR(cmd);
 		goto err;
@@ -762,7 +963,7 @@ out_batch:
 static struct i915_vma *recursive_batch(struct drm_i915_private *i915)
 {
 	struct drm_i915_gem_object *obj;
-	const int gen = INTEL_GEN(i915);
+	const int ver = GRAPHICS_VER(i915);
 	struct i915_vma *vma;
 	u32 *cmd;
 	int err;
@@ -781,17 +982,17 @@ static struct i915_vma *recursive_batch(struct drm_i915_private *i915)
 	if (err)
 		goto err;
 
-	cmd = i915_gem_object_pin_map(obj, I915_MAP_WC);
+	cmd = i915_gem_object_pin_map_unlocked(obj, I915_MAP_WC);
 	if (IS_ERR(cmd)) {
 		err = PTR_ERR(cmd);
 		goto err;
 	}
 
-	if (gen >= 8) {
+	if (ver >= 8) {
 		*cmd++ = MI_BATCH_BUFFER_START | 1 << 8 | 1;
 		*cmd++ = lower_32_bits(vma->node.start);
 		*cmd++ = upper_32_bits(vma->node.start);
-	} else if (gen >= 6) {
+	} else if (ver >= 6) {
 		*cmd++ = MI_BATCH_BUFFER_START | 1 << 8;
 		*cmd++ = lower_32_bits(vma->node.start);
 	} else {
@@ -816,7 +1017,7 @@ static int recursive_batch_resolve(struct i915_vma *batch)
 {
 	u32 *cmd;
 
-	cmd = i915_gem_object_pin_map(batch->obj, I915_MAP_WC);
+	cmd = i915_gem_object_pin_map_unlocked(batch->obj, I915_MAP_WC);
 	if (IS_ERR(cmd))
 		return PTR_ERR(cmd);
 
@@ -1069,8 +1270,8 @@ out_request:
 		if (!request[idx])
 			break;
 
-		cmd = i915_gem_object_pin_map(request[idx]->batch->obj,
-					      I915_MAP_WC);
+		cmd = i915_gem_object_pin_map_unlocked(request[idx]->batch->obj,
+						       I915_MAP_WC);
 		if (!IS_ERR(cmd)) {
 			*cmd = MI_BATCH_BUFFER_END;
 
@@ -1485,6 +1686,7 @@ int i915_request_live_selftests(struct drm_i915_private *i915)
 		SUBTEST(live_sequential_engines),
 		SUBTEST(live_parallel_engines),
 		SUBTEST(live_empty_request),
+		SUBTEST(live_cancel_request),
 		SUBTEST(live_breadcrumbs_smoketest),
 	};
 
@@ -1560,7 +1762,7 @@ static u32 trifilter(u32 *a)
 
 static u64 cycles_to_ns(struct intel_engine_cs *engine, u32 cycles)
 {
-	u64 ns = i915_cs_timestamp_ticks_to_ns(engine->i915, cycles);
+	u64 ns = intel_gt_clock_interval_to_ns(engine->gt, cycles);
 
 	return DIV_ROUND_CLOSEST(ns, 1 << TF_BIAS);
 }
@@ -1932,9 +2134,7 @@ static int measure_inter_request(struct intel_context *ce)
 		intel_ring_advance(rq, cs);
 		i915_request_add(rq);
 	}
-	local_bh_disable();
 	i915_sw_fence_commit(submit);
-	local_bh_enable();
 	intel_engine_flush_submission(ce->engine);
 	heap_fence_put(submit);
 
@@ -2220,11 +2420,9 @@ static int measure_completion(struct intel_context *ce)
 		intel_ring_advance(rq, cs);
 
 		dma_fence_add_callback(&rq->fence, &cb.base, signal_cb);
-
-		local_bh_disable();
 		i915_request_add(rq);
-		local_bh_enable();
 
+		intel_engine_flush_submission(ce->engine);
 		if (wait_for(READ_ONCE(sema[i]) == -1, 50)) {
 			err = -EIO;
 			goto err;
@@ -2284,7 +2482,7 @@ static int perf_request_latency(void *arg)
 	struct pm_qos_request qos;
 	int err = 0;
 
-	if (INTEL_GEN(i915) < 8) /* per-engine CS timestamp, semaphores */
+	if (GRAPHICS_VER(i915) < 8) /* per-engine CS timestamp, semaphores */
 		return 0;
 
 	cpu_latency_qos_add_request(&qos, 0); /* disable cstates */
@@ -2293,8 +2491,10 @@ static int perf_request_latency(void *arg)
 		struct intel_context *ce;
 
 		ce = intel_context_create(engine);
-		if (IS_ERR(ce))
+		if (IS_ERR(ce)) {
+			err = PTR_ERR(ce);
 			goto out;
+		}
 
 		err = intel_context_pin(ce);
 		if (err) {
@@ -2467,8 +2667,10 @@ static int perf_series_engines(void *arg)
 		struct intel_context *ce;
 
 		ce = intel_context_create(engine);
-		if (IS_ERR(ce))
+		if (IS_ERR(ce)) {
+			err = PTR_ERR(ce);
 			goto out;
+		}
 
 		err = intel_context_pin(ce);
 		if (err) {