drm/i915/selftests: Mark up preemption tests for hang detection

Use the igt_live_test framework for detecting whether an unwanted hang
occurred during test execution, and report failure if it does.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190321194031.20240-2-chris@chris-wilson.co.uk

diff --git a/drivers/gpu/drm/i915/selftests/intel_lrc.c b/drivers/gpu/drm/i915/selftests/intel_lrc.c
index 0afebbe2b9d74679978e45ec86e2294f061ae299..0d3cae564db87efa6c43860e1ebff715e0b5a53b 100644 (file)
--- a/drivers/gpu/drm/i915/selftests/intel_lrc.c
+++ b/drivers/gpu/drm/i915/selftests/intel_lrc.c
@@ -10,6 +10,7 @@
 
 #include "../i915_selftest.h"
 #include "igt_flush_test.h"
+#include "igt_live_test.h"
 #include "igt_spinner.h"
 #include "i915_random.h"
 
@@ -113,11 +114,17 @@ static int live_preempt(void *arg)
                I915_USER_PRIORITY(I915_CONTEXT_MIN_USER_PRIORITY);
 
        for_each_engine(engine, i915, id) {
+               struct igt_live_test t;
                struct i915_request *rq;
 
                if (!intel_engine_has_preemption(engine))
                        continue;
 
+               if (igt_live_test_begin(&t, i915, __func__, engine->name)) {
+                       err = -EIO;
+                       goto err_ctx_lo;
+               }
+
                rq = igt_spinner_create_request(&spin_lo, ctx_lo, engine,
                                                MI_ARB_CHECK);
                if (IS_ERR(rq)) {
@@ -153,7 +160,8 @@ static int live_preempt(void *arg)
 
                igt_spinner_end(&spin_hi);
                igt_spinner_end(&spin_lo);
-               if (igt_flush_test(i915, I915_WAIT_LOCKED)) {
+
+               if (igt_live_test_end(&t)) {
                        err = -EIO;
                        goto err_ctx_lo;
                }
@@ -207,11 +215,17 @@ static int live_late_preempt(void *arg)
                goto err_ctx_hi;
 
        for_each_engine(engine, i915, id) {
+               struct igt_live_test t;
                struct i915_request *rq;
 
                if (!intel_engine_has_preemption(engine))
                        continue;
 
+               if (igt_live_test_begin(&t, i915, __func__, engine->name)) {
+                       err = -EIO;
+                       goto err_ctx_lo;
+               }
+
                rq = igt_spinner_create_request(&spin_lo, ctx_lo, engine,
                                                MI_ARB_CHECK);
                if (IS_ERR(rq)) {
@@ -250,7 +264,8 @@ static int live_late_preempt(void *arg)
 
                igt_spinner_end(&spin_hi);
                igt_spinner_end(&spin_lo);
-               if (igt_flush_test(i915, I915_WAIT_LOCKED)) {
+
+               if (igt_live_test_end(&t)) {
                        err = -EIO;
                        goto err_ctx_lo;
                }
@@ -615,6 +630,7 @@ static int live_chain_preempt(void *arg)
                struct i915_sched_attr attr = {
                        .priority = I915_USER_PRIORITY(I915_PRIORITY_MAX),
                };
+               struct igt_live_test t;
                struct i915_request *rq;
                int ring_size, count, i;
 
@@ -641,6 +657,11 @@ static int live_chain_preempt(void *arg)
                        goto err_wedged;
                }
 
+               if (igt_live_test_begin(&t, i915, __func__, engine->name)) {
+                       err = -EIO;
+                       goto err_wedged;
+               }
+
                for_each_prime_number_from(count, 1, ring_size) {
                        rq = igt_spinner_create_request(&hi.spin,
                                                        hi.ctx, engine,
@@ -699,6 +720,11 @@ static int live_chain_preempt(void *arg)
                                goto err_wedged;
                        }
                }
+
+               if (igt_live_test_end(&t)) {
+                       err = -EIO;
+                       goto err_wedged;
+               }
        }
 
        err = 0;
@@ -1022,6 +1048,7 @@ static int live_preempt_smoke(void *arg)
        };
        const unsigned int phase[] = { 0, BATCH };
        intel_wakeref_t wakeref;
+       struct igt_live_test t;
        int err = -ENOMEM;
        u32 *cs;
        int n;
@@ -1055,6 +1082,11 @@ static int live_preempt_smoke(void *arg)
        i915_gem_object_flush_map(smoke.batch);
        i915_gem_object_unpin_map(smoke.batch);
 
+       if (igt_live_test_begin(&t, smoke.i915, __func__, "all")) {
+               err = -EIO;
+               goto err_batch;
+       }
+
        for (n = 0; n < smoke.ncontext; n++) {
                smoke.contexts[n] = kernel_context(smoke.i915);
                if (!smoke.contexts[n])
@@ -1072,7 +1104,7 @@ static int live_preempt_smoke(void *arg)
        }
 
 err_ctx:
-       if (igt_flush_test(smoke.i915, I915_WAIT_LOCKED))
+       if (igt_live_test_end(&t))
                err = -EIO;
 
        for (n = 0; n < smoke.ncontext; n++) {