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 #include "util/u_memory.h"
40
kmsro_ro_destroy(struct renderonly * ro)41 static void kmsro_ro_destroy(struct renderonly *ro)
42 {
43 if (ro->gpu_fd >= 0)
44 close(ro->gpu_fd);
45
46 FREE(ro);
47 }
48
kmsro_drm_screen_create(int fd,const struct pipe_screen_config * config)49 struct pipe_screen *kmsro_drm_screen_create(int fd,
50 const struct pipe_screen_config *config)
51 {
52 struct pipe_screen *screen = NULL;
53 struct renderonly *ro = CALLOC_STRUCT(renderonly);
54
55 if (!ro)
56 return NULL;
57
58 ro->kms_fd = fd;
59 ro->gpu_fd = -1;
60 ro->destroy = kmsro_ro_destroy;
61
62 #if defined(GALLIUM_VC4)
63 ro->gpu_fd = drmOpenWithType("vc4", NULL, DRM_NODE_RENDER);
64 if (ro->gpu_fd >= 0) {
65 /* Passes the vc4-allocated BO through to the KMS-only DRM device using
66 * PRIME buffer sharing. The VC4 BO must be linear, which the SCANOUT
67 * flag on allocation will have ensured.
68 */
69 ro->create_for_resource = renderonly_create_gpu_import_for_resource;
70 screen = vc4_drm_screen_create_renderonly(ro, config);
71 if (!screen)
72 goto out_free;
73
74 return screen;
75 }
76 #endif
77
78 #if defined(GALLIUM_ETNAVIV)
79 ro->gpu_fd = drmOpenWithType("etnaviv", NULL, DRM_NODE_RENDER);
80 if (ro->gpu_fd >= 0) {
81 ro->create_for_resource = renderonly_create_kms_dumb_buffer_for_resource;
82 screen = etna_drm_screen_create_renderonly(ro);
83 if (!screen)
84 goto out_free;
85
86 return screen;
87 }
88 #endif
89
90 #if defined(GALLIUM_FREEDRENO)
91 ro->gpu_fd = drmOpenWithType("msm", NULL, DRM_NODE_RENDER);
92 if (ro->gpu_fd >= 0) {
93 ro->create_for_resource = renderonly_create_kms_dumb_buffer_for_resource;
94 screen = fd_drm_screen_create(ro->gpu_fd, ro, config);
95 if (!screen)
96 goto out_free;
97
98 return screen;
99 }
100 #endif
101
102 #if defined(GALLIUM_PANFROST)
103 ro->gpu_fd = drmOpenWithType("panfrost", NULL, DRM_NODE_RENDER);
104
105 if (ro->gpu_fd >= 0) {
106 ro->create_for_resource = renderonly_create_kms_dumb_buffer_for_resource;
107 screen = panfrost_drm_screen_create_renderonly(ro);
108 if (!screen)
109 goto out_free;
110
111 return screen;
112 }
113 #endif
114
115 #if defined(GALLIUM_LIMA)
116 ro->gpu_fd = drmOpenWithType("lima", NULL, DRM_NODE_RENDER);
117 if (ro->gpu_fd >= 0) {
118 ro->create_for_resource = renderonly_create_kms_dumb_buffer_for_resource;
119 screen = lima_drm_screen_create_renderonly(ro);
120 if (!screen)
121 goto out_free;
122
123 return screen;
124 }
125 #endif
126
127 #if defined(GALLIUM_V3D)
128 ro->gpu_fd = drmOpenWithType("v3d", NULL, DRM_NODE_RENDER);
129 if (ro->gpu_fd >= 0) {
130 ro->create_for_resource = renderonly_create_kms_dumb_buffer_for_resource;
131 screen = v3d_drm_screen_create_renderonly(ro, config);
132 if (!screen)
133 goto out_free;
134
135 return screen;
136 }
137 #endif
138
139 return screen;
140
141 out_free:
142 if (ro->gpu_fd >= 0)
143 close(ro->gpu_fd);
144 FREE(ro);
145
146 return NULL;
147 }
148