drivers/gpu/drm/nouveau/nvkm/engine/fifo/runq.c

/*
 * Copyright 2021 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#include "runq.h"
#include "priv.h"

void
nvkm_runq_del(struct nvkm_runq *runq)
{
	list_del(&runq->head);
	kfree(runq);
}

struct nvkm_runq *
nvkm_runq_new(struct nvkm_fifo *fifo, int pbid)
{
	struct nvkm_runq *runq;

	if (!(runq = kzalloc(sizeof(*runq), GFP_KERNEL)))
		return NULL;

	runq->func = fifo->func->runq;
	runq->fifo = fifo;
	runq->id = pbid;
	list_add_tail(&runq->head, &fifo->runqs);
	return runq;
}