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      1 /*
      2  * Copyright (C) 2014-2015 Etnaviv Project
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
     20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     21  * SOFTWARE.
     22  *
     23  * Authors:
     24  *    Christian Gmeiner <christian.gmeiner (at) gmail.com>
     25  */
     26 
     27 #include "etnaviv_priv.h"
     28 
     29 int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms)
     30 {
     31 	return etna_pipe_wait_ns(pipe, timestamp, ms * 1000000);
     32 }
     33 
     34 int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns)
     35 {
     36 	struct etna_device *dev = pipe->gpu->dev;
     37 	int ret;
     38 
     39 	struct drm_etnaviv_wait_fence req = {
     40 		.pipe = pipe->gpu->core,
     41 		.fence = timestamp,
     42 	};
     43 
     44 	if (ns == 0)
     45 		req.flags |= ETNA_WAIT_NONBLOCK;
     46 
     47 	get_abs_timeout(&req.timeout, ns);
     48 
     49 	ret = drmCommandWrite(dev->fd, DRM_ETNAVIV_WAIT_FENCE, &req, sizeof(req));
     50 	if (ret) {
     51 		ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
     52 		return ret;
     53 	}
     54 
     55 	return 0;
     56 }
     57 
     58 void etna_pipe_del(struct etna_pipe *pipe)
     59 {
     60 	free(pipe);
     61 }
     62 
     63 struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id)
     64 {
     65 	struct etna_pipe *pipe;
     66 
     67 	pipe = calloc(1, sizeof(*pipe));
     68 	if (!pipe) {
     69 		ERROR_MSG("allocation failed");
     70 		goto fail;
     71 	}
     72 
     73 	pipe->id = id;
     74 	pipe->gpu = gpu;
     75 
     76 	return pipe;
     77 fail:
     78 	return NULL;
     79 }
     80