Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 1 | /* |
Daniele Castagna | 7a755de | 2016-12-16 17:32:30 -0500 | [diff] [blame] | 2 | * Copyright 2016 The Chromium OS Authors. All rights reserved. |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 3 | * Use of this source code is governed by a BSD-style license that can be |
| 4 | * found in the LICENSE file. |
| 5 | */ |
| 6 | #include <assert.h> |
Kristian H. Kristensen | b1efbd8 | 2016-09-06 11:43:26 -0700 | [diff] [blame] | 7 | #include <errno.h> |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 8 | #include <fcntl.h> |
Gurchetan Singh | 1647fbe | 2016-08-03 17:14:55 -0700 | [diff] [blame] | 9 | #include <pthread.h> |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 10 | #include <stdint.h> |
| 11 | #include <stdio.h> |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 12 | #include <string.h> |
Gurchetan Singh | ef92053 | 2016-08-12 16:38:25 -0700 | [diff] [blame] | 13 | #include <sys/mman.h> |
Daniel Hung-yu Wu | 9607a48 | 2017-09-12 20:05:08 +0800 | [diff] [blame] | 14 | #include <sys/types.h> |
| 15 | #include <unistd.h> |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 16 | #include <xf86drm.h> |
| 17 | |
Alistair Strachan | 0cfaaa5 | 2018-03-19 14:03:23 -0700 | [diff] [blame] | 18 | #ifdef __ANDROID__ |
| 19 | #include <cutils/log.h> |
| 20 | #include <libgen.h> |
| 21 | #endif |
| 22 | |
Yiwei Zhang | b7a6444 | 2021-09-30 05:13:10 +0000 | [diff] [blame] | 23 | #include "drv_helpers.h" |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 24 | #include "drv_priv.h" |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 25 | #include "util.h" |
| 26 | |
Akshu Agrawal | 0337d9b | 2016-07-28 15:35:45 +0530 | [diff] [blame] | 27 | #ifdef DRV_AMDGPU |
Gurchetan Singh | 3e9d383 | 2017-10-31 10:36:25 -0700 | [diff] [blame] | 28 | extern const struct backend backend_amdgpu; |
Akshu Agrawal | 0337d9b | 2016-07-28 15:35:45 +0530 | [diff] [blame] | 29 | #endif |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 30 | #ifdef DRV_I915 |
Gurchetan Singh | 3e9d383 | 2017-10-31 10:36:25 -0700 | [diff] [blame] | 31 | extern const struct backend backend_i915; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 32 | #endif |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 33 | #ifdef DRV_MEDIATEK |
Gurchetan Singh | 3e9d383 | 2017-10-31 10:36:25 -0700 | [diff] [blame] | 34 | extern const struct backend backend_mediatek; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 35 | #endif |
Rajesh Yadav | 7f79cb5 | 2018-01-22 18:29:06 +0530 | [diff] [blame] | 36 | #ifdef DRV_MSM |
| 37 | extern const struct backend backend_msm; |
| 38 | #endif |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 39 | #ifdef DRV_ROCKCHIP |
Gurchetan Singh | 3e9d383 | 2017-10-31 10:36:25 -0700 | [diff] [blame] | 40 | extern const struct backend backend_rockchip; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 41 | #endif |
Niklas Schulze | 878fed4 | 2017-02-08 15:29:21 +0100 | [diff] [blame] | 42 | #ifdef DRV_VC4 |
Gurchetan Singh | 3e9d383 | 2017-10-31 10:36:25 -0700 | [diff] [blame] | 43 | extern const struct backend backend_vc4; |
Niklas Schulze | 878fed4 | 2017-02-08 15:29:21 +0100 | [diff] [blame] | 44 | #endif |
Anders Dellien | e5bef53 | 2020-06-10 10:30:44 +0100 | [diff] [blame] | 45 | |
| 46 | // Dumb / generic drivers |
| 47 | extern const struct backend backend_evdi; |
| 48 | extern const struct backend backend_marvell; |
| 49 | extern const struct backend backend_meson; |
| 50 | extern const struct backend backend_nouveau; |
| 51 | extern const struct backend backend_komeda; |
| 52 | extern const struct backend backend_radeon; |
| 53 | extern const struct backend backend_synaptics; |
Gurchetan Singh | 73c141e | 2021-01-21 14:51:19 -0800 | [diff] [blame] | 54 | extern const struct backend backend_virtgpu; |
Anders Dellien | e5bef53 | 2020-06-10 10:30:44 +0100 | [diff] [blame] | 55 | extern const struct backend backend_udl; |
François-Denis Gonthier | cea0b84 | 2020-05-22 18:02:24 -0400 | [diff] [blame] | 56 | extern const struct backend backend_vkms; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 57 | |
Gurchetan Singh | 3e9d383 | 2017-10-31 10:36:25 -0700 | [diff] [blame] | 58 | static const struct backend *drv_get_backend(int fd) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 59 | { |
| 60 | drmVersionPtr drm_version; |
| 61 | unsigned int i; |
| 62 | |
| 63 | drm_version = drmGetVersion(fd); |
| 64 | |
| 65 | if (!drm_version) |
| 66 | return NULL; |
| 67 | |
Gurchetan Singh | 3e9d383 | 2017-10-31 10:36:25 -0700 | [diff] [blame] | 68 | const struct backend *backend_list[] = { |
Akshu Agrawal | 0337d9b | 2016-07-28 15:35:45 +0530 | [diff] [blame] | 69 | #ifdef DRV_AMDGPU |
| 70 | &backend_amdgpu, |
| 71 | #endif |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 72 | #ifdef DRV_I915 |
| 73 | &backend_i915, |
| 74 | #endif |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 75 | #ifdef DRV_MEDIATEK |
| 76 | &backend_mediatek, |
| 77 | #endif |
Rajesh Yadav | 7f79cb5 | 2018-01-22 18:29:06 +0530 | [diff] [blame] | 78 | #ifdef DRV_MSM |
| 79 | &backend_msm, |
| 80 | #endif |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 81 | #ifdef DRV_ROCKCHIP |
| 82 | &backend_rockchip, |
| 83 | #endif |
Niklas Schulze | 878fed4 | 2017-02-08 15:29:21 +0100 | [diff] [blame] | 84 | #ifdef DRV_VC4 |
| 85 | &backend_vc4, |
| 86 | #endif |
Gurchetan Singh | 73c141e | 2021-01-21 14:51:19 -0800 | [diff] [blame] | 87 | &backend_evdi, &backend_marvell, &backend_meson, &backend_nouveau, |
| 88 | &backend_komeda, &backend_radeon, &backend_synaptics, &backend_virtgpu, |
| 89 | &backend_udl, &backend_virtgpu, &backend_vkms |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 90 | }; |
| 91 | |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 92 | for (i = 0; i < ARRAY_SIZE(backend_list); i++) { |
| 93 | const struct backend *b = backend_list[i]; |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 94 | if (!strcmp(drm_version->name, b->name)) { |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 95 | drmFreeVersion(drm_version); |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 96 | return b; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 97 | } |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 98 | } |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 99 | |
| 100 | drmFreeVersion(drm_version); |
| 101 | return NULL; |
| 102 | } |
| 103 | |
| 104 | struct driver *drv_create(int fd) |
| 105 | { |
| 106 | struct driver *drv; |
| 107 | int ret; |
| 108 | |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 109 | drv = (struct driver *)calloc(1, sizeof(*drv)); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 110 | |
| 111 | if (!drv) |
| 112 | return NULL; |
| 113 | |
Pilar Molina Lopez | 28cf2f1 | 2020-11-12 18:19:42 -0500 | [diff] [blame] | 114 | char *minigbm_debug; |
| 115 | minigbm_debug = getenv("MINIGBM_DEBUG"); |
| 116 | drv->compression = (minigbm_debug == NULL) || (strcmp(minigbm_debug, "nocompression") != 0); |
| 117 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 118 | drv->fd = fd; |
| 119 | drv->backend = drv_get_backend(fd); |
| 120 | |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 121 | if (!drv->backend) |
| 122 | goto free_driver; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 123 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 124 | if (pthread_mutex_init(&drv->buffer_table_lock, NULL)) |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 125 | goto free_driver; |
Gurchetan Singh | 1647fbe | 2016-08-03 17:14:55 -0700 | [diff] [blame] | 126 | |
| 127 | drv->buffer_table = drmHashCreate(); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 128 | if (!drv->buffer_table) |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 129 | goto free_buffer_table_lock; |
| 130 | |
| 131 | if (pthread_mutex_init(&drv->mappings_lock, NULL)) |
| 132 | goto free_buffer_table; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 133 | |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 134 | drv->mappings = drv_array_init(sizeof(struct mapping)); |
| 135 | if (!drv->mappings) |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 136 | goto free_mappings_lock; |
Gurchetan Singh | 1647fbe | 2016-08-03 17:14:55 -0700 | [diff] [blame] | 137 | |
Gurchetan Singh | bc9a87d | 2017-11-03 17:17:35 -0700 | [diff] [blame] | 138 | drv->combos = drv_array_init(sizeof(struct combination)); |
| 139 | if (!drv->combos) |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 140 | goto free_mappings; |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 141 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 142 | if (drv->backend->init) { |
| 143 | ret = drv->backend->init(drv); |
Gurchetan Singh | 6b41fb5 | 2017-03-01 20:14:39 -0800 | [diff] [blame] | 144 | if (ret) { |
Gurchetan Singh | bc9a87d | 2017-11-03 17:17:35 -0700 | [diff] [blame] | 145 | drv_array_destroy(drv->combos); |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 146 | goto free_mappings; |
Gurchetan Singh | 6b41fb5 | 2017-03-01 20:14:39 -0800 | [diff] [blame] | 147 | } |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 148 | } |
| 149 | |
| 150 | return drv; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 151 | |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 152 | free_mappings: |
| 153 | drv_array_destroy(drv->mappings); |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 154 | free_mappings_lock: |
| 155 | pthread_mutex_destroy(&drv->mappings_lock); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 156 | free_buffer_table: |
| 157 | drmHashDestroy(drv->buffer_table); |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 158 | free_buffer_table_lock: |
| 159 | pthread_mutex_destroy(&drv->buffer_table_lock); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 160 | free_driver: |
| 161 | free(drv); |
| 162 | return NULL; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | void drv_destroy(struct driver *drv) |
| 166 | { |
| 167 | if (drv->backend->close) |
| 168 | drv->backend->close(drv); |
| 169 | |
Gurchetan Singh | bc9a87d | 2017-11-03 17:17:35 -0700 | [diff] [blame] | 170 | drv_array_destroy(drv->combos); |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 171 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 172 | drv_array_destroy(drv->mappings); |
| 173 | pthread_mutex_destroy(&drv->mappings_lock); |
| 174 | |
| 175 | drmHashDestroy(drv->buffer_table); |
| 176 | pthread_mutex_destroy(&drv->buffer_table_lock); |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 177 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 178 | free(drv); |
| 179 | } |
| 180 | |
| 181 | int drv_get_fd(struct driver *drv) |
| 182 | { |
| 183 | return drv->fd; |
| 184 | } |
| 185 | |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 186 | const char *drv_get_name(struct driver *drv) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 187 | { |
| 188 | return drv->backend->name; |
| 189 | } |
| 190 | |
Gurchetan Singh | a1892b2 | 2017-09-28 16:40:52 -0700 | [diff] [blame] | 191 | struct combination *drv_get_combination(struct driver *drv, uint32_t format, uint64_t use_flags) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 192 | { |
Gurchetan Singh | 6b41fb5 | 2017-03-01 20:14:39 -0800 | [diff] [blame] | 193 | struct combination *curr, *best; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 194 | |
Gurchetan Singh | a1892b2 | 2017-09-28 16:40:52 -0700 | [diff] [blame] | 195 | if (format == DRM_FORMAT_NONE || use_flags == BO_USE_NONE) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 196 | return 0; |
| 197 | |
Gurchetan Singh | 6b41fb5 | 2017-03-01 20:14:39 -0800 | [diff] [blame] | 198 | best = NULL; |
| 199 | uint32_t i; |
Gurchetan Singh | bc9a87d | 2017-11-03 17:17:35 -0700 | [diff] [blame] | 200 | for (i = 0; i < drv_array_size(drv->combos); i++) { |
| 201 | curr = drv_array_at_idx(drv->combos, i); |
Gurchetan Singh | a1892b2 | 2017-09-28 16:40:52 -0700 | [diff] [blame] | 202 | if ((format == curr->format) && use_flags == (curr->use_flags & use_flags)) |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 203 | if (!best || best->metadata.priority < curr->metadata.priority) |
Gurchetan Singh | 6b41fb5 | 2017-03-01 20:14:39 -0800 | [diff] [blame] | 204 | best = curr; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 205 | } |
| 206 | |
Gurchetan Singh | 6b41fb5 | 2017-03-01 20:14:39 -0800 | [diff] [blame] | 207 | return best; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 208 | } |
| 209 | |
Gurchetan Singh | 18578ed | 2017-08-03 18:23:27 -0700 | [diff] [blame] | 210 | struct bo *drv_bo_new(struct driver *drv, uint32_t width, uint32_t height, uint32_t format, |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 211 | uint64_t use_flags, bool is_test_buffer) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 212 | { |
| 213 | |
| 214 | struct bo *bo; |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 215 | bo = (struct bo *)calloc(1, sizeof(*bo)); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 216 | |
| 217 | if (!bo) |
| 218 | return NULL; |
| 219 | |
| 220 | bo->drv = drv; |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 221 | bo->meta.width = width; |
| 222 | bo->meta.height = height; |
| 223 | bo->meta.format = format; |
| 224 | bo->meta.use_flags = use_flags; |
| 225 | bo->meta.num_planes = drv_num_planes_from_format(format); |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 226 | bo->is_test_buffer = is_test_buffer; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 227 | |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 228 | if (!bo->meta.num_planes) { |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 229 | free(bo); |
Yiwei Zhang | 01b6974 | 2021-09-16 04:47:54 +0000 | [diff] [blame] | 230 | errno = EINVAL; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 231 | return NULL; |
| 232 | } |
| 233 | |
| 234 | return bo; |
| 235 | } |
| 236 | |
Jason Macnak | 04c8f51 | 2021-09-29 11:38:00 -0700 | [diff] [blame] | 237 | static void drv_bo_mapping_destroy(struct bo *bo) |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 238 | { |
| 239 | struct driver *drv = bo->drv; |
| 240 | uint32_t idx = 0; |
| 241 | |
| 242 | /* |
| 243 | * This function is called right before the buffer is destroyed. It will free any mappings |
| 244 | * associated with the buffer. |
| 245 | */ |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 246 | pthread_mutex_lock(&drv->mappings_lock); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 247 | for (size_t plane = 0; plane < bo->meta.num_planes; plane++) { |
| 248 | while (idx < drv_array_size(drv->mappings)) { |
| 249 | struct mapping *mapping = |
| 250 | (struct mapping *)drv_array_at_idx(drv->mappings, idx); |
| 251 | if (mapping->vma->handle != bo->handles[plane].u32) { |
| 252 | idx++; |
| 253 | continue; |
| 254 | } |
| 255 | |
| 256 | if (!--mapping->vma->refcount) { |
| 257 | int ret = drv->backend->bo_unmap(bo, mapping->vma); |
| 258 | if (ret) { |
Yiwei Zhang | 8bc35bf | 2021-10-04 21:36:23 +0000 | [diff] [blame] | 259 | pthread_mutex_unlock(&drv->mappings_lock); |
| 260 | assert(ret); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 261 | drv_log("munmap failed\n"); |
Jason Macnak | 04c8f51 | 2021-09-29 11:38:00 -0700 | [diff] [blame] | 262 | return; |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | free(mapping->vma); |
| 266 | } |
| 267 | |
| 268 | /* This shrinks and shifts the array, so don't increment idx. */ |
| 269 | drv_array_remove(drv->mappings, idx); |
| 270 | } |
| 271 | } |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 272 | pthread_mutex_unlock(&drv->mappings_lock); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 273 | } |
| 274 | |
| 275 | /* |
| 276 | * Acquire a reference on plane buffers of the bo. |
| 277 | */ |
| 278 | static void drv_bo_acquire(struct bo *bo) |
| 279 | { |
| 280 | struct driver *drv = bo->drv; |
| 281 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 282 | pthread_mutex_lock(&drv->buffer_table_lock); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 283 | for (size_t plane = 0; plane < bo->meta.num_planes; plane++) { |
| 284 | uintptr_t num = 0; |
| 285 | |
| 286 | if (!drmHashLookup(drv->buffer_table, bo->handles[plane].u32, (void **)&num)) |
| 287 | drmHashDelete(drv->buffer_table, bo->handles[plane].u32); |
| 288 | |
| 289 | drmHashInsert(drv->buffer_table, bo->handles[plane].u32, (void *)(num + 1)); |
| 290 | } |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 291 | pthread_mutex_unlock(&drv->buffer_table_lock); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | /* |
| 295 | * Release a reference on plane buffers of the bo. Return true when the bo has lost all its |
| 296 | * references. Otherwise, return false. |
| 297 | */ |
| 298 | static bool drv_bo_release(struct bo *bo) |
| 299 | { |
| 300 | struct driver *drv = bo->drv; |
Yiwei Zhang | 8bc35bf | 2021-10-04 21:36:23 +0000 | [diff] [blame] | 301 | uintptr_t num; |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 302 | |
Bas Nieuwenhuizen | 631d9e4 | 2021-11-10 13:47:16 +0100 | [diff] [blame] | 303 | if (drv->backend->bo_release) |
| 304 | drv->backend->bo_release(bo); |
| 305 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 306 | pthread_mutex_lock(&drv->buffer_table_lock); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 307 | for (size_t plane = 0; plane < bo->meta.num_planes; plane++) { |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 308 | if (!drmHashLookup(drv->buffer_table, bo->handles[plane].u32, (void **)&num)) { |
| 309 | drmHashDelete(drv->buffer_table, bo->handles[plane].u32); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 310 | |
Yiwei Zhang | 8bc35bf | 2021-10-04 21:36:23 +0000 | [diff] [blame] | 311 | if (num > 1) { |
| 312 | drmHashInsert(drv->buffer_table, bo->handles[plane].u32, |
| 313 | (void *)(num - 1)); |
| 314 | } |
| 315 | } |
| 316 | } |
| 317 | |
| 318 | /* The same buffer can back multiple planes with different offsets. */ |
| 319 | for (size_t plane = 0; plane < bo->meta.num_planes; plane++) { |
| 320 | if (!drmHashLookup(drv->buffer_table, bo->handles[plane].u32, (void **)&num)) { |
| 321 | /* num is positive if found in the hashmap. */ |
| 322 | pthread_mutex_unlock(&drv->buffer_table_lock); |
| 323 | return false; |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 324 | } |
| 325 | } |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 326 | pthread_mutex_unlock(&drv->buffer_table_lock); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 327 | |
Yiwei Zhang | 8bc35bf | 2021-10-04 21:36:23 +0000 | [diff] [blame] | 328 | return true; |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 329 | } |
| 330 | |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 331 | struct bo *drv_bo_create(struct driver *drv, uint32_t width, uint32_t height, uint32_t format, |
Gurchetan Singh | a1892b2 | 2017-09-28 16:40:52 -0700 | [diff] [blame] | 332 | uint64_t use_flags) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 333 | { |
| 334 | int ret; |
| 335 | struct bo *bo; |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 336 | bool is_test_alloc; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 337 | |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 338 | is_test_alloc = use_flags & BO_USE_TEST_ALLOC; |
| 339 | use_flags &= ~BO_USE_TEST_ALLOC; |
| 340 | |
| 341 | bo = drv_bo_new(drv, width, height, format, use_flags, is_test_alloc); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 342 | |
| 343 | if (!bo) |
| 344 | return NULL; |
| 345 | |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 346 | ret = -EINVAL; |
| 347 | if (drv->backend->bo_compute_metadata) { |
| 348 | ret = drv->backend->bo_compute_metadata(bo, width, height, format, use_flags, NULL, |
| 349 | 0); |
| 350 | if (!is_test_alloc && ret == 0) |
| 351 | ret = drv->backend->bo_create_from_metadata(bo); |
| 352 | } else if (!is_test_alloc) { |
| 353 | ret = drv->backend->bo_create(bo, width, height, format, use_flags); |
| 354 | } |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 355 | |
| 356 | if (ret) { |
Yiwei Zhang | 01b6974 | 2021-09-16 04:47:54 +0000 | [diff] [blame] | 357 | errno = -ret; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 358 | free(bo); |
| 359 | return NULL; |
| 360 | } |
| 361 | |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 362 | drv_bo_acquire(bo); |
Gurchetan Singh | 1647fbe | 2016-08-03 17:14:55 -0700 | [diff] [blame] | 363 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 364 | return bo; |
| 365 | } |
| 366 | |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 367 | struct bo *drv_bo_create_with_modifiers(struct driver *drv, uint32_t width, uint32_t height, |
| 368 | uint32_t format, const uint64_t *modifiers, uint32_t count) |
Kristian H. Kristensen | b1efbd8 | 2016-09-06 11:43:26 -0700 | [diff] [blame] | 369 | { |
| 370 | int ret; |
Kristian H. Kristensen | b1efbd8 | 2016-09-06 11:43:26 -0700 | [diff] [blame] | 371 | struct bo *bo; |
| 372 | |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 373 | if (!drv->backend->bo_create_with_modifiers && !drv->backend->bo_compute_metadata) { |
Kristian H. Kristensen | b1efbd8 | 2016-09-06 11:43:26 -0700 | [diff] [blame] | 374 | errno = ENOENT; |
| 375 | return NULL; |
| 376 | } |
| 377 | |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 378 | bo = drv_bo_new(drv, width, height, format, BO_USE_NONE, false); |
Kristian H. Kristensen | b1efbd8 | 2016-09-06 11:43:26 -0700 | [diff] [blame] | 379 | |
| 380 | if (!bo) |
| 381 | return NULL; |
| 382 | |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 383 | ret = -EINVAL; |
| 384 | if (drv->backend->bo_compute_metadata) { |
| 385 | ret = drv->backend->bo_compute_metadata(bo, width, height, format, BO_USE_NONE, |
| 386 | modifiers, count); |
| 387 | if (ret == 0) |
| 388 | ret = drv->backend->bo_create_from_metadata(bo); |
| 389 | } else { |
| 390 | ret = drv->backend->bo_create_with_modifiers(bo, width, height, format, modifiers, |
| 391 | count); |
| 392 | } |
Kristian H. Kristensen | b1efbd8 | 2016-09-06 11:43:26 -0700 | [diff] [blame] | 393 | |
| 394 | if (ret) { |
| 395 | free(bo); |
| 396 | return NULL; |
| 397 | } |
| 398 | |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 399 | drv_bo_acquire(bo); |
Kristian H. Kristensen | b1efbd8 | 2016-09-06 11:43:26 -0700 | [diff] [blame] | 400 | |
| 401 | return bo; |
| 402 | } |
| 403 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 404 | void drv_bo_destroy(struct bo *bo) |
| 405 | { |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 406 | if (!bo->is_test_buffer && drv_bo_release(bo)) { |
Jason Macnak | 04c8f51 | 2021-09-29 11:38:00 -0700 | [diff] [blame] | 407 | drv_bo_mapping_destroy(bo); |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 408 | bo->drv->backend->bo_destroy(bo); |
Tomasz Figa | 27a7e6a | 2017-08-08 17:59:41 +0900 | [diff] [blame] | 409 | } |
Gurchetan Singh | 1647fbe | 2016-08-03 17:14:55 -0700 | [diff] [blame] | 410 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 411 | free(bo); |
| 412 | } |
| 413 | |
| 414 | struct bo *drv_bo_import(struct driver *drv, struct drv_import_fd_data *data) |
| 415 | { |
| 416 | int ret; |
Gurchetan Singh | b72badb | 2016-08-19 16:26:46 -0700 | [diff] [blame] | 417 | size_t plane; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 418 | struct bo *bo; |
Gurchetan Singh | c26fd1e | 2017-09-29 10:18:59 -0700 | [diff] [blame] | 419 | off_t seek_end; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 420 | |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 421 | bo = drv_bo_new(drv, data->width, data->height, data->format, data->use_flags, false); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 422 | |
Gurchetan Singh | b72badb | 2016-08-19 16:26:46 -0700 | [diff] [blame] | 423 | if (!bo) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 424 | return NULL; |
Gurchetan Singh | b72badb | 2016-08-19 16:26:46 -0700 | [diff] [blame] | 425 | |
Gurchetan Singh | 71611d6 | 2017-01-03 16:49:56 -0800 | [diff] [blame] | 426 | ret = drv->backend->bo_import(bo, data); |
| 427 | if (ret) { |
| 428 | free(bo); |
| 429 | return NULL; |
| 430 | } |
| 431 | |
Yiwei Zhang | 7fae5d0 | 2021-09-24 21:54:20 +0000 | [diff] [blame] | 432 | drv_bo_acquire(bo); |
Satyajit Sahu | a047d41 | 2018-07-12 12:29:39 +0530 | [diff] [blame] | 433 | |
Gurchetan Singh | 52155b4 | 2021-01-27 17:55:17 -0800 | [diff] [blame] | 434 | bo->meta.format_modifier = data->format_modifier; |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 435 | for (plane = 0; plane < bo->meta.num_planes; plane++) { |
| 436 | bo->meta.strides[plane] = data->strides[plane]; |
| 437 | bo->meta.offsets[plane] = data->offsets[plane]; |
Gurchetan Singh | c26fd1e | 2017-09-29 10:18:59 -0700 | [diff] [blame] | 438 | |
| 439 | seek_end = lseek(data->fds[plane], 0, SEEK_END); |
| 440 | if (seek_end == (off_t)(-1)) { |
Alistair Strachan | 0cfaaa5 | 2018-03-19 14:03:23 -0700 | [diff] [blame] | 441 | drv_log("lseek() failed with %s\n", strerror(errno)); |
Gurchetan Singh | c26fd1e | 2017-09-29 10:18:59 -0700 | [diff] [blame] | 442 | goto destroy_bo; |
| 443 | } |
| 444 | |
| 445 | lseek(data->fds[plane], 0, SEEK_SET); |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 446 | if (plane == bo->meta.num_planes - 1 || data->offsets[plane + 1] == 0) |
| 447 | bo->meta.sizes[plane] = seek_end - data->offsets[plane]; |
Gurchetan Singh | c26fd1e | 2017-09-29 10:18:59 -0700 | [diff] [blame] | 448 | else |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 449 | bo->meta.sizes[plane] = data->offsets[plane + 1] - data->offsets[plane]; |
Gurchetan Singh | c26fd1e | 2017-09-29 10:18:59 -0700 | [diff] [blame] | 450 | |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 451 | if ((int64_t)bo->meta.offsets[plane] + bo->meta.sizes[plane] > seek_end) { |
Alistair Strachan | 0cfaaa5 | 2018-03-19 14:03:23 -0700 | [diff] [blame] | 452 | drv_log("buffer size is too large.\n"); |
Gurchetan Singh | c26fd1e | 2017-09-29 10:18:59 -0700 | [diff] [blame] | 453 | goto destroy_bo; |
Daniel Hung-yu Wu | 9607a48 | 2017-09-12 20:05:08 +0800 | [diff] [blame] | 454 | } |
| 455 | |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 456 | bo->meta.total_size += bo->meta.sizes[plane]; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 457 | } |
| 458 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 459 | return bo; |
Gurchetan Singh | c26fd1e | 2017-09-29 10:18:59 -0700 | [diff] [blame] | 460 | |
| 461 | destroy_bo: |
| 462 | drv_bo_destroy(bo); |
| 463 | return NULL; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 464 | } |
| 465 | |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 466 | void *drv_bo_map(struct bo *bo, const struct rectangle *rect, uint32_t map_flags, |
| 467 | struct mapping **map_data, size_t plane) |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 468 | { |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 469 | struct driver *drv = bo->drv; |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 470 | uint32_t i; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 471 | uint8_t *addr; |
Gurchetan Singh | 9964438 | 2020-10-07 15:28:11 -0700 | [diff] [blame] | 472 | struct mapping mapping = { 0 }; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 473 | |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 474 | assert(rect->width >= 0); |
| 475 | assert(rect->height >= 0); |
| 476 | assert(rect->x + rect->width <= drv_bo_get_width(bo)); |
| 477 | assert(rect->y + rect->height <= drv_bo_get_height(bo)); |
Gurchetan Singh | f7f633a | 2017-09-28 17:02:12 -0700 | [diff] [blame] | 478 | assert(BO_MAP_READ_WRITE & map_flags); |
Tomasz Figa | e0807b1 | 2017-08-04 12:50:03 +0900 | [diff] [blame] | 479 | /* No CPU access for protected buffers. */ |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 480 | assert(!(bo->meta.use_flags & BO_USE_PROTECTED)); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 481 | |
Gurchetan Singh | cadc54f | 2021-02-01 12:03:11 -0800 | [diff] [blame] | 482 | if (bo->is_test_buffer) |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 483 | return MAP_FAILED; |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 484 | |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 485 | mapping.rect = *rect; |
| 486 | mapping.refcount = 1; |
| 487 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 488 | pthread_mutex_lock(&drv->mappings_lock); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 489 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 490 | for (i = 0; i < drv_array_size(drv->mappings); i++) { |
| 491 | struct mapping *prior = (struct mapping *)drv_array_at_idx(drv->mappings, i); |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 492 | if (prior->vma->handle != bo->handles[plane].u32 || |
| 493 | prior->vma->map_flags != map_flags) |
| 494 | continue; |
| 495 | |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 496 | if (rect->x != prior->rect.x || rect->y != prior->rect.y || |
| 497 | rect->width != prior->rect.width || rect->height != prior->rect.height) |
| 498 | continue; |
| 499 | |
| 500 | prior->refcount++; |
| 501 | *map_data = prior; |
| 502 | goto exact_match; |
| 503 | } |
| 504 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 505 | for (i = 0; i < drv_array_size(drv->mappings); i++) { |
| 506 | struct mapping *prior = (struct mapping *)drv_array_at_idx(drv->mappings, i); |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 507 | if (prior->vma->handle != bo->handles[plane].u32 || |
| 508 | prior->vma->map_flags != map_flags) |
| 509 | continue; |
| 510 | |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 511 | prior->vma->refcount++; |
| 512 | mapping.vma = prior->vma; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 513 | goto success; |
| 514 | } |
| 515 | |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 516 | mapping.vma = calloc(1, sizeof(*mapping.vma)); |
Yiwei Zhang | afdf87d | 2021-09-28 04:06:06 +0000 | [diff] [blame] | 517 | if (!mapping.vma) { |
| 518 | *map_data = NULL; |
| 519 | pthread_mutex_unlock(&drv->mappings_lock); |
| 520 | return MAP_FAILED; |
| 521 | } |
| 522 | |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 523 | memcpy(mapping.vma->map_strides, bo->meta.strides, sizeof(mapping.vma->map_strides)); |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 524 | addr = drv->backend->bo_map(bo, mapping.vma, plane, map_flags); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 525 | if (addr == MAP_FAILED) { |
| 526 | *map_data = NULL; |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 527 | free(mapping.vma); |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 528 | pthread_mutex_unlock(&drv->mappings_lock); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 529 | return MAP_FAILED; |
| 530 | } |
| 531 | |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 532 | mapping.vma->refcount = 1; |
| 533 | mapping.vma->addr = addr; |
| 534 | mapping.vma->handle = bo->handles[plane].u32; |
| 535 | mapping.vma->map_flags = map_flags; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 536 | |
| 537 | success: |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 538 | *map_data = drv_array_append(drv->mappings, &mapping); |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 539 | exact_match: |
| 540 | drv_bo_invalidate(bo, *map_data); |
| 541 | addr = (uint8_t *)((*map_data)->vma->addr); |
| 542 | addr += drv_bo_get_plane_offset(bo, plane); |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 543 | pthread_mutex_unlock(&drv->mappings_lock); |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 544 | return (void *)addr; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 545 | } |
| 546 | |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 547 | int drv_bo_unmap(struct bo *bo, struct mapping *mapping) |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 548 | { |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 549 | struct driver *drv = bo->drv; |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 550 | uint32_t i; |
Gurchetan Singh | bd1b1b5 | 2018-03-29 16:34:53 -0700 | [diff] [blame] | 551 | int ret = 0; |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 552 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 553 | pthread_mutex_lock(&drv->mappings_lock); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 554 | |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 555 | if (--mapping->refcount) |
| 556 | goto out; |
| 557 | |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 558 | if (!--mapping->vma->refcount) { |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 559 | ret = drv->backend->bo_unmap(bo, mapping->vma); |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 560 | free(mapping->vma); |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 561 | } |
| 562 | |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 563 | for (i = 0; i < drv_array_size(drv->mappings); i++) { |
| 564 | if (mapping == (struct mapping *)drv_array_at_idx(drv->mappings, i)) { |
| 565 | drv_array_remove(drv->mappings, i); |
Gurchetan Singh | cfedbcc | 2017-11-02 17:32:00 -0700 | [diff] [blame] | 566 | break; |
| 567 | } |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 568 | } |
| 569 | |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 570 | out: |
Yiwei Zhang | 84236dd | 2021-09-27 20:18:58 +0000 | [diff] [blame] | 571 | pthread_mutex_unlock(&drv->mappings_lock); |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 572 | return ret; |
| 573 | } |
| 574 | |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 575 | int drv_bo_invalidate(struct bo *bo, struct mapping *mapping) |
Gurchetan Singh | c2ad63e | 2017-10-09 17:59:47 -0700 | [diff] [blame] | 576 | { |
| 577 | int ret = 0; |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 578 | |
| 579 | assert(mapping); |
| 580 | assert(mapping->vma); |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 581 | assert(mapping->refcount > 0); |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 582 | assert(mapping->vma->refcount > 0); |
Gurchetan Singh | c2ad63e | 2017-10-09 17:59:47 -0700 | [diff] [blame] | 583 | |
| 584 | if (bo->drv->backend->bo_invalidate) |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 585 | ret = bo->drv->backend->bo_invalidate(bo, mapping); |
Gurchetan Singh | c2ad63e | 2017-10-09 17:59:47 -0700 | [diff] [blame] | 586 | |
| 587 | return ret; |
| 588 | } |
| 589 | |
Jason Macnak | 1de7f66 | 2020-01-24 15:05:57 -0800 | [diff] [blame] | 590 | int drv_bo_flush(struct bo *bo, struct mapping *mapping) |
| 591 | { |
| 592 | int ret = 0; |
| 593 | |
| 594 | assert(mapping); |
| 595 | assert(mapping->vma); |
| 596 | assert(mapping->refcount > 0); |
| 597 | assert(mapping->vma->refcount > 0); |
| 598 | |
| 599 | if (bo->drv->backend->bo_flush) |
| 600 | ret = bo->drv->backend->bo_flush(bo, mapping); |
| 601 | |
| 602 | return ret; |
| 603 | } |
| 604 | |
Gurchetan Singh | bd1b1b5 | 2018-03-29 16:34:53 -0700 | [diff] [blame] | 605 | int drv_bo_flush_or_unmap(struct bo *bo, struct mapping *mapping) |
Gurchetan Singh | ff74141 | 2017-09-13 17:54:36 -0700 | [diff] [blame] | 606 | { |
| 607 | int ret = 0; |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 608 | |
| 609 | assert(mapping); |
| 610 | assert(mapping->vma); |
Gurchetan Singh | 1ef809e | 2017-11-06 11:07:52 -0800 | [diff] [blame] | 611 | assert(mapping->refcount > 0); |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 612 | assert(mapping->vma->refcount > 0); |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 613 | assert(!(bo->meta.use_flags & BO_USE_PROTECTED)); |
Gurchetan Singh | ff74141 | 2017-09-13 17:54:36 -0700 | [diff] [blame] | 614 | |
| 615 | if (bo->drv->backend->bo_flush) |
Gurchetan Singh | 47e629b | 2017-11-02 14:07:18 -0700 | [diff] [blame] | 616 | ret = bo->drv->backend->bo_flush(bo, mapping); |
Gurchetan Singh | bd1b1b5 | 2018-03-29 16:34:53 -0700 | [diff] [blame] | 617 | else |
| 618 | ret = drv_bo_unmap(bo, mapping); |
Gurchetan Singh | ff74141 | 2017-09-13 17:54:36 -0700 | [diff] [blame] | 619 | |
| 620 | return ret; |
| 621 | } |
| 622 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 623 | uint32_t drv_bo_get_width(struct bo *bo) |
| 624 | { |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 625 | return bo->meta.width; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | uint32_t drv_bo_get_height(struct bo *bo) |
| 629 | { |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 630 | return bo->meta.height; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 631 | } |
| 632 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 633 | size_t drv_bo_get_num_planes(struct bo *bo) |
| 634 | { |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 635 | return bo->meta.num_planes; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 636 | } |
| 637 | |
| 638 | union bo_handle drv_bo_get_plane_handle(struct bo *bo, size_t plane) |
| 639 | { |
| 640 | return bo->handles[plane]; |
| 641 | } |
| 642 | |
| 643 | #ifndef DRM_RDWR |
| 644 | #define DRM_RDWR O_RDWR |
| 645 | #endif |
| 646 | |
| 647 | int drv_bo_get_plane_fd(struct bo *bo, size_t plane) |
| 648 | { |
| 649 | |
| 650 | int ret, fd; |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 651 | assert(plane < bo->meta.num_planes); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 652 | |
Gurchetan Singh | cadc54f | 2021-02-01 12:03:11 -0800 | [diff] [blame] | 653 | if (bo->is_test_buffer) |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 654 | return -EINVAL; |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 655 | |
Gurchetan Singh | 1b1d56a | 2017-03-10 16:25:23 -0800 | [diff] [blame] | 656 | ret = drmPrimeHandleToFD(bo->drv->fd, bo->handles[plane].u32, DRM_CLOEXEC | DRM_RDWR, &fd); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 657 | |
Alistair Strachan | f048a1e | 2018-03-20 11:10:51 -0700 | [diff] [blame] | 658 | // Older DRM implementations blocked DRM_RDWR, but gave a read/write mapping anyways |
| 659 | if (ret) |
| 660 | ret = drmPrimeHandleToFD(bo->drv->fd, bo->handles[plane].u32, DRM_CLOEXEC, &fd); |
| 661 | |
Jason Macnak | 166fe14 | 2021-01-29 07:50:34 -0800 | [diff] [blame] | 662 | if (ret) |
| 663 | drv_log("Failed to get plane fd: %s\n", strerror(errno)); |
| 664 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 665 | return (ret) ? ret : fd; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 666 | } |
| 667 | |
| 668 | uint32_t drv_bo_get_plane_offset(struct bo *bo, size_t plane) |
| 669 | { |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 670 | assert(plane < bo->meta.num_planes); |
| 671 | return bo->meta.offsets[plane]; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | uint32_t drv_bo_get_plane_size(struct bo *bo, size_t plane) |
| 675 | { |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 676 | assert(plane < bo->meta.num_planes); |
| 677 | return bo->meta.sizes[plane]; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 678 | } |
| 679 | |
| 680 | uint32_t drv_bo_get_plane_stride(struct bo *bo, size_t plane) |
| 681 | { |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 682 | assert(plane < bo->meta.num_planes); |
| 683 | return bo->meta.strides[plane]; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 684 | } |
| 685 | |
Gurchetan Singh | 52155b4 | 2021-01-27 17:55:17 -0800 | [diff] [blame] | 686 | uint64_t drv_bo_get_format_modifier(struct bo *bo) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 687 | { |
Gurchetan Singh | 52155b4 | 2021-01-27 17:55:17 -0800 | [diff] [blame] | 688 | return bo->meta.format_modifier; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 689 | } |
Gurchetan Singh | bfba8c2 | 2016-08-16 17:57:10 -0700 | [diff] [blame] | 690 | |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 691 | uint32_t drv_bo_get_format(struct bo *bo) |
Gurchetan Singh | 2e786ad | 2016-08-24 18:31:23 -0700 | [diff] [blame] | 692 | { |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 693 | return bo->meta.format; |
Gurchetan Singh | 2e786ad | 2016-08-24 18:31:23 -0700 | [diff] [blame] | 694 | } |
| 695 | |
Yiwei Zhang | 1f9b900 | 2021-09-15 21:28:51 +0000 | [diff] [blame] | 696 | uint32_t drv_bo_get_tiling(struct bo *bo) |
| 697 | { |
| 698 | return bo->meta.tiling; |
| 699 | } |
| 700 | |
| 701 | uint64_t drv_bo_get_use_flags(struct bo *bo) |
| 702 | { |
| 703 | return bo->meta.use_flags; |
| 704 | } |
| 705 | |
Jason Macnak | 1de7f66 | 2020-01-24 15:05:57 -0800 | [diff] [blame] | 706 | size_t drv_bo_get_total_size(struct bo *bo) |
| 707 | { |
| 708 | return bo->meta.total_size; |
| 709 | } |
| 710 | |
Yiwei Zhang | b7a6444 | 2021-09-30 05:13:10 +0000 | [diff] [blame] | 711 | /* |
| 712 | * Map internal fourcc codes back to standard fourcc codes. |
| 713 | */ |
| 714 | uint32_t drv_get_standard_fourcc(uint32_t fourcc_internal) |
| 715 | { |
| 716 | return (fourcc_internal == DRM_FORMAT_YVU420_ANDROID) ? DRM_FORMAT_YVU420 : fourcc_internal; |
| 717 | } |
| 718 | |
Yiwei Zhang | b8ad7b8 | 2021-10-01 17:55:14 +0000 | [diff] [blame] | 719 | void drv_resolve_format_and_use_flags(struct driver *drv, uint32_t format, uint64_t use_flags, |
| 720 | uint32_t *out_format, uint64_t *out_use_flags) |
Gurchetan Singh | bfba8c2 | 2016-08-16 17:57:10 -0700 | [diff] [blame] | 721 | { |
Yiwei Zhang | b8ad7b8 | 2021-10-01 17:55:14 +0000 | [diff] [blame] | 722 | assert(drv->backend->resolve_format_and_use_flags); |
Gurchetan Singh | bfba8c2 | 2016-08-16 17:57:10 -0700 | [diff] [blame] | 723 | |
Yiwei Zhang | b8ad7b8 | 2021-10-01 17:55:14 +0000 | [diff] [blame] | 724 | drv->backend->resolve_format_and_use_flags(drv, format, use_flags, out_format, |
| 725 | out_use_flags); |
Yiwei Zhang | c1413ea | 2021-09-17 08:20:21 +0000 | [diff] [blame] | 726 | } |
| 727 | |
Gurchetan Singh | 2e786ad | 2016-08-24 18:31:23 -0700 | [diff] [blame] | 728 | uint32_t drv_num_buffers_per_bo(struct bo *bo) |
| 729 | { |
| 730 | uint32_t count = 0; |
| 731 | size_t plane, p; |
| 732 | |
Gurchetan Singh | cadc54f | 2021-02-01 12:03:11 -0800 | [diff] [blame] | 733 | if (bo->is_test_buffer) |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 734 | return 0; |
David Stevens | 26fe682 | 2020-03-09 12:23:42 +0000 | [diff] [blame] | 735 | |
Gurchetan Singh | 298b757 | 2019-09-19 09:55:18 -0700 | [diff] [blame] | 736 | for (plane = 0; plane < bo->meta.num_planes; plane++) { |
Gurchetan Singh | 2e786ad | 2016-08-24 18:31:23 -0700 | [diff] [blame] | 737 | for (p = 0; p < plane; p++) |
| 738 | if (bo->handles[p].u32 == bo->handles[plane].u32) |
| 739 | break; |
| 740 | if (p == plane) |
| 741 | count++; |
| 742 | } |
| 743 | |
| 744 | return count; |
| 745 | } |
Alistair Strachan | 0cfaaa5 | 2018-03-19 14:03:23 -0700 | [diff] [blame] | 746 | |
| 747 | void drv_log_prefix(const char *prefix, const char *file, int line, const char *format, ...) |
| 748 | { |
| 749 | char buf[50]; |
| 750 | snprintf(buf, sizeof(buf), "[%s:%s(%d)]", prefix, basename(file), line); |
| 751 | |
| 752 | va_list args; |
| 753 | va_start(args, format); |
| 754 | #ifdef __ANDROID__ |
| 755 | __android_log_vprint(ANDROID_LOG_ERROR, buf, format, args); |
| 756 | #else |
| 757 | fprintf(stderr, "%s ", buf); |
| 758 | vfprintf(stderr, format, args); |
| 759 | #endif |
| 760 | va_end(args); |
| 761 | } |
Gurchetan Singh | bc4f023 | 2019-06-27 20:05:54 -0700 | [diff] [blame] | 762 | |
| 763 | int drv_resource_info(struct bo *bo, uint32_t strides[DRV_MAX_PLANES], |
Yiwei Zhang | a1e93fd | 2021-04-30 07:01:55 +0000 | [diff] [blame] | 764 | uint32_t offsets[DRV_MAX_PLANES], uint64_t *format_modifier) |
Gurchetan Singh | bc4f023 | 2019-06-27 20:05:54 -0700 | [diff] [blame] | 765 | { |
| 766 | for (uint32_t plane = 0; plane < bo->meta.num_planes; plane++) { |
| 767 | strides[plane] = bo->meta.strides[plane]; |
| 768 | offsets[plane] = bo->meta.offsets[plane]; |
| 769 | } |
Yiwei Zhang | a1e93fd | 2021-04-30 07:01:55 +0000 | [diff] [blame] | 770 | *format_modifier = bo->meta.format_modifier; |
Gurchetan Singh | bc4f023 | 2019-06-27 20:05:54 -0700 | [diff] [blame] | 771 | |
| 772 | if (bo->drv->backend->resource_info) |
Yiwei Zhang | a1e93fd | 2021-04-30 07:01:55 +0000 | [diff] [blame] | 773 | return bo->drv->backend->resource_info(bo, strides, offsets, format_modifier); |
Gurchetan Singh | bc4f023 | 2019-06-27 20:05:54 -0700 | [diff] [blame] | 774 | |
| 775 | return 0; |
| 776 | } |
Jason Macnak | 336fd05 | 2021-09-29 11:10:06 -0700 | [diff] [blame] | 777 | |
| 778 | uint32_t drv_get_max_texture_2d_size(struct driver *drv) |
| 779 | { |
| 780 | if (drv->backend->get_max_texture_2d_size) |
| 781 | return drv->backend->get_max_texture_2d_size(drv); |
| 782 | |
| 783 | return UINT32_MAX; |
| 784 | } |