1 /* 2 * SPDX-License-Identifier: MIT 3 * 4 * Copyright © 2018 Intel Corporation 5 */ 6 7 #include "i915_drv.h" 8 #include "gt/intel_gt.h" 9 10 #include "../i915_selftest.h" 11 #include "igt_flush_test.h" 12 #include "igt_live_test.h" 13 14 int igt_live_test_begin(struct igt_live_test *t, 15 struct drm_i915_private *i915, 16 const char *func, 17 const char *name) 18 { 19 struct intel_gt *gt = &i915->gt; 20 struct intel_engine_cs *engine; 21 enum intel_engine_id id; 22 int err; 23 24 t->i915 = i915; 25 t->func = func; 26 t->name = name; 27 28 err = intel_gt_wait_for_idle(gt, MAX_SCHEDULE_TIMEOUT); 29 if (err) { 30 pr_err("%s(%s): failed to idle before, with err=%d!", 31 func, name, err); 32 return err; 33 } 34 35 t->reset_global = i915_reset_count(&i915->gpu_error); 36 37 for_each_engine(engine, gt, id) 38 t->reset_engine[id] = 39 i915_reset_engine_count(&i915->gpu_error, engine); 40 41 return 0; 42 } 43 44 int igt_live_test_end(struct igt_live_test *t) 45 { 46 struct drm_i915_private *i915 = t->i915; 47 struct intel_engine_cs *engine; 48 enum intel_engine_id id; 49 50 if (igt_flush_test(i915)) 51 return -EIO; 52 53 if (t->reset_global != i915_reset_count(&i915->gpu_error)) { 54 pr_err("%s(%s): GPU was reset %d times!\n", 55 t->func, t->name, 56 i915_reset_count(&i915->gpu_error) - t->reset_global); 57 return -EIO; 58 } 59 60 for_each_engine(engine, &i915->gt, id) { 61 if (t->reset_engine[id] == 62 i915_reset_engine_count(&i915->gpu_error, engine)) 63 continue; 64 65 pr_err("%s(%s): engine '%s' was reset %d times!\n", 66 t->func, t->name, engine->name, 67 i915_reset_engine_count(&i915->gpu_error, engine) - 68 t->reset_engine[id]); 69 return -EIO; 70 } 71 72 return 0; 73 } 74