diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c | 35 |
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c index 8f72f173db03..2c65c9e95cc5 100644 --- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c +++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c @@ -169,18 +169,24 @@ static int __live_parallel_switch1(void *data) struct i915_request *rq = NULL; int err, n; - for (n = 0; n < ARRAY_SIZE(arg->ce); n++) { - i915_request_put(rq); + err = 0; + for (n = 0; !err && n < ARRAY_SIZE(arg->ce); n++) { + struct i915_request *prev = rq; rq = i915_request_create(arg->ce[n]); - if (IS_ERR(rq)) + if (IS_ERR(rq)) { + i915_request_put(prev); return PTR_ERR(rq); + } i915_request_get(rq); + if (prev) { + err = i915_request_await_dma_fence(rq, &prev->fence); + i915_request_put(prev); + } + i915_request_add(rq); } - - err = 0; if (i915_request_wait(rq, 0, HZ / 5) < 0) err = -ETIME; i915_request_put(rq); @@ -197,6 +203,7 @@ static int __live_parallel_switch1(void *data) static int __live_parallel_switchN(void *data) { struct parallel_switch *arg = data; + struct i915_request *rq = NULL; IGT_TIMEOUT(end_time); unsigned long count; int n; @@ -204,17 +211,31 @@ static int __live_parallel_switchN(void *data) count = 0; do { for (n = 0; n < ARRAY_SIZE(arg->ce); n++) { - struct i915_request *rq; + struct i915_request *prev = rq; + int err = 0; rq = i915_request_create(arg->ce[n]); - if (IS_ERR(rq)) + if (IS_ERR(rq)) { + i915_request_put(prev); return PTR_ERR(rq); + } + + i915_request_get(rq); + if (prev) { + err = i915_request_await_dma_fence(rq, &prev->fence); + i915_request_put(prev); + } i915_request_add(rq); + if (err) { + i915_request_put(rq); + return err; + } } count++; } while (!__igt_timeout(end_time, NULL)); + i915_request_put(rq); pr_info("%s: %lu switches (many)\n", arg->ce[0]->engine->name, count); return 0; |