Release 4.12 drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c

/*
 * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
 *
 * 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 AUTHORS OR COPYRIGHT HOLDERS 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 <engine/falcon.h>
#include <core/msgqueue.h>
#include "priv.h"


static void

gm20b_pmu_recv(struct nvkm_pmu *pmu)
{
	if (!pmu->queue) {
		nvkm_warn(&pmu->subdev,
			  "recv function called while no firmware set!\n");
		return;
	}

	nvkm_msgqueue_recv(pmu->queue);
}

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static const struct nvkm_pmu_func

gm20b_pmu = {
	.intr = gt215_pmu_intr,
	.recv = gm20b_pmu_recv,
};


int

gm20b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
{
	int ret;

	ret = nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu);
	if (ret)
		return ret;

	return 0;
}
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Directory: drivers/gpu/drm/nouveau/nvkm/subdev/pmu

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