1 /*
2 * Copyright (C) 2016 Christian Gmeiner <christian.gmeiner@gmail.com>
3 * Copyright (C) 2017 Broadcom
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
14 * Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #include <fcntl.h>
26 #include <unistd.h>
27
28 #include "kmsro_drm_public.h"
29 #include "v3d/drm/v3d_drm_public.h"
30 #include "vc4/drm/vc4_drm_public.h"
31 #include "etnaviv/drm/etnaviv_drm_public.h"
32 #include "freedreno/drm/freedreno_drm_public.h"
33 #include "panfrost/drm/panfrost_drm_public.h"
34 #include "lima/drm/lima_drm_public.h"
35 #include "xf86drm.h"
36
37 #include "pipe/p_screen.h"
38 #include "renderonly/renderonly.h"
39
kmsro_drm_screen_create(int fd,const struct pipe_screen_config * config)40 struct pipe_screen *kmsro_drm_screen_create(int fd,
41 const struct pipe_screen_config *config)
42 {
43 struct pipe_screen *screen = NULL;
44 struct renderonly ro = {
45 .kms_fd = fd,
46 .gpu_fd = -1,
47 };
48
49 #if defined(GALLIUM_VC4)
50 ro.gpu_fd = drmOpenWithType("vc4", NULL, DRM_NODE_RENDER);
51 if (ro.gpu_fd >= 0) {
52 /* Passes the vc4-allocated BO through to the KMS-only DRM device using
53 * PRIME buffer sharing. The VC4 BO must be linear, which the SCANOUT
54 * flag on allocation will have ensured.
55 */
56 ro.create_for_resource = renderonly_create_gpu_import_for_resource,
57 screen = vc4_drm_screen_create_renderonly(&ro, config);
58 if (!screen)
59 close(ro.gpu_fd);
60
61 return screen;
62 }
63 #endif
64
65 #if defined(GALLIUM_ETNAVIV)
66 ro.gpu_fd = drmOpenWithType("etnaviv", NULL, DRM_NODE_RENDER);
67 if (ro.gpu_fd >= 0) {
68 ro.create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
69 screen = etna_drm_screen_create_renderonly(&ro);
70 if (!screen)
71 close(ro.gpu_fd);
72
73 return screen;
74 }
75 #endif
76
77 #if defined(GALLIUM_FREEDRENO)
78 ro.gpu_fd = drmOpenWithType("msm", NULL, DRM_NODE_RENDER);
79 if (ro.gpu_fd >= 0) {
80 ro.create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
81 screen = fd_drm_screen_create(ro.gpu_fd, &ro);
82 if (!screen)
83 close(ro.gpu_fd);
84
85 return screen;
86 }
87 #endif
88
89 #if defined(GALLIUM_PANFROST)
90 ro.gpu_fd = drmOpenWithType("panfrost", NULL, DRM_NODE_RENDER);
91
92 if (ro.gpu_fd >= 0) {
93 ro.create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
94 screen = panfrost_drm_screen_create_renderonly(&ro);
95 if (!screen)
96 close(ro.gpu_fd);
97
98 return screen;
99 }
100 #endif
101
102 #if defined(GALLIUM_LIMA)
103 ro.gpu_fd = drmOpenWithType("lima", NULL, DRM_NODE_RENDER);
104 if (ro.gpu_fd >= 0) {
105 ro.create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
106 screen = lima_drm_screen_create_renderonly(&ro);
107 if (!screen)
108 close(ro.gpu_fd);
109
110 return screen;
111 }
112 #endif
113
114 #if defined(GALLIUM_V3D)
115 ro.gpu_fd = drmOpenWithType("v3d", NULL, DRM_NODE_RENDER);
116 if (ro.gpu_fd >= 0) {
117 ro.create_for_resource = renderonly_create_kms_dumb_buffer_for_resource,
118 screen = v3d_drm_screen_create_renderonly(&ro, config);
119 if (!screen)
120 close(ro.gpu_fd);
121
122 return screen;
123 }
124 #endif
125
126 return screen;
127 }
128