18 void vc4_perfmon_get(struct vc4_perfmon *perfmon)  in vc4_perfmon_get()  argument
22 	if (!perfmon)  in vc4_perfmon_get()
25 	vc4 = perfmon->dev;  in vc4_perfmon_get()
29 	refcount_inc(&perfmon->refcnt);  in vc4_perfmon_get()
32 void vc4_perfmon_put(struct vc4_perfmon *perfmon)  in vc4_perfmon_put()  argument
36 	if (!perfmon)  in vc4_perfmon_put()
39 	vc4 = perfmon->dev;  in vc4_perfmon_put()
43 	if (refcount_dec_and_test(&perfmon->refcnt))  in vc4_perfmon_put()
44 		kfree(perfmon);  in vc4_perfmon_put()
47 void vc4_perfmon_start(struct vc4_dev *vc4, struct vc4_perfmon *perfmon)  in vc4_perfmon_start()  argument
55 	if (WARN_ON_ONCE(!perfmon || vc4->active_perfmon))  in vc4_perfmon_start()
58 	for (i = 0; i < perfmon->ncounters; i++)  in vc4_perfmon_start()
59 		V3D_WRITE(V3D_PCTRS(i), perfmon->events[i]);  in vc4_perfmon_start()
61 	mask = GENMASK(perfmon->ncounters - 1, 0);  in vc4_perfmon_start()
64 	vc4->active_perfmon = perfmon;  in vc4_perfmon_start()
67 void vc4_perfmon_stop(struct vc4_dev *vc4, struct vc4_perfmon *perfmon,  in vc4_perfmon_stop()  argument
76 			 perfmon != vc4->active_perfmon))  in vc4_perfmon_stop()
80 		for (i = 0; i < perfmon->ncounters; i++)  in vc4_perfmon_stop()
81 			perfmon->counters[i] += V3D_READ(V3D_PCTR(i));  in vc4_perfmon_stop()
91 	struct vc4_perfmon *perfmon;  in vc4_perfmon_find()  local
96 	mutex_lock(&vc4file->perfmon.lock);  in vc4_perfmon_find()
97 	perfmon = idr_find(&vc4file->perfmon.idr, id);  in vc4_perfmon_find()
98 	vc4_perfmon_get(perfmon);  in vc4_perfmon_find()
99 	mutex_unlock(&vc4file->perfmon.lock);  in vc4_perfmon_find()
101 	return perfmon;  in vc4_perfmon_find()
111 	mutex_init(&vc4file->perfmon.lock);  in vc4_perfmon_open_file()
112 	idr_init_base(&vc4file->perfmon.idr, VC4_PERFMONID_MIN);  in vc4_perfmon_open_file()
118 	struct vc4_perfmon *perfmon = elem;  in vc4_perfmon_idr_del()  local
122 	if (perfmon == vc4->active_perfmon)  in vc4_perfmon_idr_del()
123 		vc4_perfmon_stop(vc4, perfmon, false);  in vc4_perfmon_idr_del()
125 	vc4_perfmon_put(perfmon);  in vc4_perfmon_idr_del()
137 	mutex_lock(&vc4file->perfmon.lock);  in vc4_perfmon_close_file()
138 	idr_for_each(&vc4file->perfmon.idr, vc4_perfmon_idr_del, vc4);  in vc4_perfmon_close_file()
139 	idr_destroy(&vc4file->perfmon.idr);  in vc4_perfmon_close_file()
140 	mutex_unlock(&vc4file->perfmon.lock);  in vc4_perfmon_close_file()
141 	mutex_destroy(&vc4file->perfmon.lock);  in vc4_perfmon_close_file()
150 	struct vc4_perfmon *perfmon;  in vc4_perfmon_create_ioctl()  local
173 	perfmon = kzalloc(struct_size(perfmon, counters, req->ncounters),  in vc4_perfmon_create_ioctl()
175 	if (!perfmon)  in vc4_perfmon_create_ioctl()
177 	perfmon->dev = vc4;  in vc4_perfmon_create_ioctl()
180 		perfmon->events[i] = req->events[i];  in vc4_perfmon_create_ioctl()
182 	perfmon->ncounters = req->ncounters;  in vc4_perfmon_create_ioctl()
184 	refcount_set(&perfmon->refcnt, 1);  in vc4_perfmon_create_ioctl()
186 	mutex_lock(&vc4file->perfmon.lock);  in vc4_perfmon_create_ioctl()
187 	ret = idr_alloc(&vc4file->perfmon.idr, perfmon, VC4_PERFMONID_MIN,  in vc4_perfmon_create_ioctl()
189 	mutex_unlock(&vc4file->perfmon.lock);  in vc4_perfmon_create_ioctl()
192 		kfree(perfmon);  in vc4_perfmon_create_ioctl()
206 	struct vc4_perfmon *perfmon;  in vc4_perfmon_destroy_ioctl()  local
216 	mutex_lock(&vc4file->perfmon.lock);  in vc4_perfmon_destroy_ioctl()
217 	perfmon = idr_remove(&vc4file->perfmon.idr, req->id);  in vc4_perfmon_destroy_ioctl()
218 	mutex_unlock(&vc4file->perfmon.lock);  in vc4_perfmon_destroy_ioctl()
220 	if (!perfmon)  in vc4_perfmon_destroy_ioctl()
223 	vc4_perfmon_put(perfmon);  in vc4_perfmon_destroy_ioctl()
233 	struct vc4_perfmon *perfmon;  in vc4_perfmon_get_values_ioctl()  local
244 	mutex_lock(&vc4file->perfmon.lock);  in vc4_perfmon_get_values_ioctl()
245 	perfmon = idr_find(&vc4file->perfmon.idr, req->id);  in vc4_perfmon_get_values_ioctl()
246 	vc4_perfmon_get(perfmon);  in vc4_perfmon_get_values_ioctl()
247 	mutex_unlock(&vc4file->perfmon.lock);  in vc4_perfmon_get_values_ioctl()
249 	if (!perfmon)  in vc4_perfmon_get_values_ioctl()
252 	if (copy_to_user(u64_to_user_ptr(req->values_ptr), perfmon->counters,  in vc4_perfmon_get_values_ioctl()
253 			 perfmon->ncounters * sizeof(u64)))  in vc4_perfmon_get_values_ioctl()
258 	vc4_perfmon_put(perfmon);  in vc4_perfmon_get_values_ioctl()