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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 #ifdef HAVE_CONFIG_H
     28 # include <config.h>
     29 #endif
     30 
     31 #include "etnaviv_priv.h"
     32 
     33 int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms)
     34 {
     35 	return etna_pipe_wait_ns(pipe, timestamp, ms * 1000000);
     36 }
     37 
     38 int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns)
     39 {
     40 	struct etna_device *dev = pipe->gpu->dev;
     41 	int ret;
     42 
     43 	struct drm_etnaviv_wait_fence req = {
     44 		.pipe = pipe->gpu->core,
     45 		.fence = timestamp,
     46 	};
     47 
     48 	if (ns == 0)
     49 		req.flags |= ETNA_WAIT_NONBLOCK;
     50 
     51 	get_abs_timeout(&req.timeout, ns);
     52 
     53 	ret = drmCommandWrite(dev->fd, DRM_ETNAVIV_WAIT_FENCE, &req, sizeof(req));
     54 	if (ret) {
     55 		ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
     56 		return ret;
     57 	}
     58 
     59 	return 0;
     60 }
     61 
     62 void etna_pipe_del(struct etna_pipe *pipe)
     63 {
     64 	free(pipe);
     65 }
     66 
     67 struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id)
     68 {
     69 	struct etna_pipe *pipe;
     70 
     71 	pipe = calloc(1, sizeof(*pipe));
     72 	if (!pipe) {
     73 		ERROR_MSG("allocation failed");
     74 		goto fail;
     75 	}
     76 
     77 	pipe->id = id;
     78 	pipe->gpu = gpu;
     79 
     80 	return pipe;
     81 fail:
     82 	return NULL;
     83 }
     84