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1 /*
2  * Copyright (C) 2016 Christian Gmeiner <christian.gmeiner@gmail.com>
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@gmail.com>
25  */
26 
27 #include "imx_drm_public.h"
28 #include "etnaviv/drm/etnaviv_drm_public.h"
29 #include "renderonly/renderonly.h"
30 
31 #include <fcntl.h>
32 #include <unistd.h>
33 
imx_drm_screen_create(int fd)34 struct pipe_screen *imx_drm_screen_create(int fd)
35 {
36    struct renderonly ro = {
37       .create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
38       .kms_fd = fd,
39       .gpu_fd = open("/dev/dri/renderD128", O_RDWR | O_CLOEXEC)
40    };
41 
42    if (ro.gpu_fd < 0)
43       return NULL;
44 
45    struct pipe_screen *screen = etna_drm_screen_create_renderonly(&ro);
46    if (!screen)
47       close(ro.gpu_fd);
48 
49    return screen;
50 }
51