Blame etnaviv/etnaviv_pipe.c

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/*
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 * Copyright (C) 2014-2015 Etnaviv Project
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the next
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 * paragraph) shall be included in all copies or substantial portions of the
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 * Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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 * SOFTWARE.
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 *
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 * Authors:
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 *    Christian Gmeiner <christian.gmeiner@gmail.com>
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 */
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#include "etnaviv_priv.h"
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drm_public int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms)
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{
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	return etna_pipe_wait_ns(pipe, timestamp, ms * 1000000);
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}
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drm_public int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns)
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{
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	struct etna_device *dev = pipe->gpu->dev;
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	int ret;
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	struct drm_etnaviv_wait_fence req = {
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		.pipe = pipe->gpu->core,
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		.fence = timestamp,
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	};
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	if (ns == 0)
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		req.flags |= ETNA_WAIT_NONBLOCK;
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	get_abs_timeout(&req.timeout, ns);
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	ret = drmCommandWrite(dev->fd, DRM_ETNAVIV_WAIT_FENCE, &req, sizeof(req));
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	if (ret) {
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		ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
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		return ret;
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	}
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	return 0;
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}
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drm_public void etna_pipe_del(struct etna_pipe *pipe)
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{
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	free(pipe);
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}
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drm_public struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id)
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{
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	struct etna_pipe *pipe;
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	pipe = calloc(1, sizeof(*pipe));
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	if (!pipe) {
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		ERROR_MSG("allocation failed");
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		goto fail;
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	}
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	pipe->id = id;
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	pipe->gpu = gpu;
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	return pipe;
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fail:
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	return NULL;
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}