12 void v3d_perfmon_get(struct v3d_perfmon *perfmon)  in v3d_perfmon_get()  argument
14 	if (perfmon)  in v3d_perfmon_get()
15 		refcount_inc(&perfmon->refcnt);  in v3d_perfmon_get()
18 void v3d_perfmon_put(struct v3d_perfmon *perfmon)  in v3d_perfmon_put()  argument
20 	if (perfmon && refcount_dec_and_test(&perfmon->refcnt)) {  in v3d_perfmon_put()
21 		mutex_destroy(&perfmon->lock);  in v3d_perfmon_put()
22 		kfree(perfmon);  in v3d_perfmon_put()
26 void v3d_perfmon_start(struct v3d_dev *v3d, struct v3d_perfmon *perfmon)  in v3d_perfmon_start()  argument
32 	if (WARN_ON_ONCE(!perfmon || v3d->active_perfmon))  in v3d_perfmon_start()
35 	ncounters = perfmon->ncounters;  in v3d_perfmon_start()
40 		u32 channel = V3D_SET_FIELD(perfmon->counters[i], V3D_PCTR_S0);  in v3d_perfmon_start()
43 		channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,  in v3d_perfmon_start()
46 		channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,  in v3d_perfmon_start()
49 		channel |= V3D_SET_FIELD(i < ncounters ? perfmon->counters[i] : 0,  in v3d_perfmon_start()
58 	v3d->active_perfmon = perfmon;  in v3d_perfmon_start()
61 void v3d_perfmon_stop(struct v3d_dev *v3d, struct v3d_perfmon *perfmon,  in v3d_perfmon_stop()  argument
66 	if (!perfmon || !v3d->active_perfmon)  in v3d_perfmon_stop()
69 	mutex_lock(&perfmon->lock);  in v3d_perfmon_stop()
70 	if (perfmon != v3d->active_perfmon) {  in v3d_perfmon_stop()
71 		mutex_unlock(&perfmon->lock);  in v3d_perfmon_stop()
76 		for (i = 0; i < perfmon->ncounters; i++)  in v3d_perfmon_stop()
77 			perfmon->values[i] += V3D_CORE_READ(0, V3D_PCTR_0_PCTRX(i));  in v3d_perfmon_stop()
82 	mutex_unlock(&perfmon->lock);  in v3d_perfmon_stop()
87 	struct v3d_perfmon *perfmon;  in v3d_perfmon_find()  local
89 	mutex_lock(&v3d_priv->perfmon.lock);  in v3d_perfmon_find()
90 	perfmon = idr_find(&v3d_priv->perfmon.idr, id);  in v3d_perfmon_find()
91 	v3d_perfmon_get(perfmon);  in v3d_perfmon_find()
92 	mutex_unlock(&v3d_priv->perfmon.lock);  in v3d_perfmon_find()
94 	return perfmon;  in v3d_perfmon_find()
99 	mutex_init(&v3d_priv->perfmon.lock);  in v3d_perfmon_open_file()
100 	idr_init_base(&v3d_priv->perfmon.idr, 1);  in v3d_perfmon_open_file()
105 	struct v3d_perfmon *perfmon = elem;  in v3d_perfmon_idr_del()  local
107 	v3d_perfmon_put(perfmon);  in v3d_perfmon_idr_del()
114 	mutex_lock(&v3d_priv->perfmon.lock);  in v3d_perfmon_close_file()
115 	idr_for_each(&v3d_priv->perfmon.idr, v3d_perfmon_idr_del, NULL);  in v3d_perfmon_close_file()
116 	idr_destroy(&v3d_priv->perfmon.idr);  in v3d_perfmon_close_file()
117 	mutex_unlock(&v3d_priv->perfmon.lock);  in v3d_perfmon_close_file()
118 	mutex_destroy(&v3d_priv->perfmon.lock);  in v3d_perfmon_close_file()
126 	struct v3d_perfmon *perfmon;  in v3d_perfmon_create_ioctl()  local
141 	perfmon = kzalloc(struct_size(perfmon, values, req->ncounters),  in v3d_perfmon_create_ioctl()
143 	if (!perfmon)  in v3d_perfmon_create_ioctl()
147 		perfmon->counters[i] = req->counters[i];  in v3d_perfmon_create_ioctl()
149 	perfmon->ncounters = req->ncounters;  in v3d_perfmon_create_ioctl()
151 	refcount_set(&perfmon->refcnt, 1);  in v3d_perfmon_create_ioctl()
152 	mutex_init(&perfmon->lock);  in v3d_perfmon_create_ioctl()
154 	mutex_lock(&v3d_priv->perfmon.lock);  in v3d_perfmon_create_ioctl()
155 	ret = idr_alloc(&v3d_priv->perfmon.idr, perfmon, V3D_PERFMONID_MIN,  in v3d_perfmon_create_ioctl()
157 	mutex_unlock(&v3d_priv->perfmon.lock);  in v3d_perfmon_create_ioctl()
160 		mutex_destroy(&perfmon->lock);  in v3d_perfmon_create_ioctl()
161 		kfree(perfmon);  in v3d_perfmon_create_ioctl()
175 	struct v3d_perfmon *perfmon;  in v3d_perfmon_destroy_ioctl()  local
177 	mutex_lock(&v3d_priv->perfmon.lock);  in v3d_perfmon_destroy_ioctl()
178 	perfmon = idr_remove(&v3d_priv->perfmon.idr, req->id);  in v3d_perfmon_destroy_ioctl()
179 	mutex_unlock(&v3d_priv->perfmon.lock);  in v3d_perfmon_destroy_ioctl()
181 	if (!perfmon)  in v3d_perfmon_destroy_ioctl()
184 	v3d_perfmon_put(perfmon);  in v3d_perfmon_destroy_ioctl()
195 	struct v3d_perfmon *perfmon;  in v3d_perfmon_get_values_ioctl()  local
201 	mutex_lock(&v3d_priv->perfmon.lock);  in v3d_perfmon_get_values_ioctl()
202 	perfmon = idr_find(&v3d_priv->perfmon.idr, req->id);  in v3d_perfmon_get_values_ioctl()
203 	v3d_perfmon_get(perfmon);  in v3d_perfmon_get_values_ioctl()
204 	mutex_unlock(&v3d_priv->perfmon.lock);  in v3d_perfmon_get_values_ioctl()
206 	if (!perfmon)  in v3d_perfmon_get_values_ioctl()
209 	v3d_perfmon_stop(v3d, perfmon, true);  in v3d_perfmon_get_values_ioctl()
211 	if (copy_to_user(u64_to_user_ptr(req->values_ptr), perfmon->values,  in v3d_perfmon_get_values_ioctl()
212 			 perfmon->ncounters * sizeof(u64)))  in v3d_perfmon_get_values_ioctl()
215 	v3d_perfmon_put(perfmon);  in v3d_perfmon_get_values_ioctl()