amd/amdkfd/kfd_doorbell.c

208 static int init_doorbell_bitmap(struct qcm_process_device *qpd,
226 			__set_bit(i, qpd->doorbell_bitmap);
228 				  qpd->doorbell_bitmap);
240 	if (!pdd->qpd.proc_doorbells) {
247 						      pdd->qpd.proc_doorbells,
256 	struct qcm_process_device *qpd = &pdd->qpd;
259 	qpd->doorbell_bitmap = bitmap_zalloc(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS,
261 	if (!qpd->doorbell_bitmap) {
266 	r = init_doorbell_bitmap(&pdd->qpd, kfd);
278 				    &qpd->proc_doorbells,
288 	bitmap_free(qpd->doorbell_bitmap);
289 	qpd->doorbell_bitmap = NULL;
295 	struct qcm_process_device *qpd = &pdd->qpd;
297 	if (qpd->doorbell_bitmap) {
298 		bitmap_free(qpd->doorbell_bitmap);
299 		qpd->doorbell_bitmap = NULL;
302 	amdgpu_bo_free_kernel(&qpd->proc_doorbells, NULL, NULL);