Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright © 2016 Intel Corporation |
| 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 |
| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS |
| 21 | * IN THE SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #include "igt.h" |
| 25 | #include "igt_vgem.h" |
| 26 | |
| 27 | #include <sys/poll.h> |
| 28 | |
| 29 | IGT_TEST_DESCRIPTION("Basic check of polling for prime/vgem fences."); |
| 30 | |
| 31 | static void test_read(int vgem, int i915) |
| 32 | { |
| 33 | struct vgem_bo scratch; |
| 34 | uint32_t handle; |
| 35 | uint32_t *ptr; |
| 36 | int dmabuf, i; |
| 37 | |
| 38 | scratch.width = 1024; |
| 39 | scratch.height = 1024; |
| 40 | scratch.bpp = 32; |
| 41 | vgem_create(vgem, &scratch); |
| 42 | |
| 43 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
| 44 | handle = prime_fd_to_handle(i915, dmabuf); |
| 45 | close(dmabuf); |
| 46 | |
| 47 | ptr = vgem_mmap(vgem, &scratch, PROT_WRITE); |
| 48 | for (i = 0; i < 1024; i++) |
| 49 | ptr[1024*i] = i; |
| 50 | munmap(ptr, scratch.size); |
Chris Wilson | 0e1f5e3 | 2016-06-20 13:27:17 +0100 | [diff] [blame] | 51 | gem_close(vgem, scratch.handle); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 52 | |
| 53 | for (i = 0; i < 1024; i++) { |
| 54 | uint32_t tmp; |
| 55 | gem_read(i915, handle, 4096*i, &tmp, sizeof(tmp)); |
| 56 | igt_assert_eq(tmp, i); |
| 57 | } |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 58 | gem_close(i915, handle); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 59 | } |
| 60 | |
Chris Wilson | ec19497 | 2016-07-19 10:30:54 +0100 | [diff] [blame] | 61 | static void test_fence_read(int i915, int vgem) |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 62 | { |
| 63 | struct vgem_bo scratch; |
| 64 | uint32_t handle; |
| 65 | uint32_t *ptr; |
| 66 | uint32_t fence; |
| 67 | int dmabuf, i; |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 68 | int master[2], slave[2]; |
| 69 | |
| 70 | igt_assert(pipe(master) == 0); |
| 71 | igt_assert(pipe(slave) == 0); |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 72 | |
| 73 | scratch.width = 1024; |
| 74 | scratch.height = 1024; |
| 75 | scratch.bpp = 32; |
| 76 | vgem_create(vgem, &scratch); |
| 77 | |
| 78 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
| 79 | handle = prime_fd_to_handle(i915, dmabuf); |
| 80 | close(dmabuf); |
| 81 | |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 82 | igt_fork(child, 1) { |
| 83 | for (i = 0; i < 1024; i++) { |
| 84 | uint32_t tmp; |
| 85 | gem_read(i915, handle, 4096*i, &tmp, sizeof(tmp)); |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 86 | igt_assert_eq(tmp, 0); |
| 87 | } |
| 88 | write(master[1], &child, sizeof(child)); |
| 89 | read(slave[0], &child, sizeof(child)); |
| 90 | for (i = 0; i < 1024; i++) { |
| 91 | uint32_t tmp; |
| 92 | gem_read(i915, handle, 4096*i, &tmp, sizeof(tmp)); |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 93 | igt_assert_eq(tmp, i); |
| 94 | } |
| 95 | gem_close(i915, handle); |
| 96 | } |
| 97 | |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 98 | read(master[0], &i, sizeof(i)); |
| 99 | fence = vgem_fence_attach(vgem, &scratch, VGEM_FENCE_WRITE); |
| 100 | write(slave[1], &i, sizeof(i)); |
Chris Wilson | ec19497 | 2016-07-19 10:30:54 +0100 | [diff] [blame] | 101 | |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 102 | ptr = vgem_mmap(vgem, &scratch, PROT_WRITE); |
| 103 | for (i = 0; i < 1024; i++) |
| 104 | ptr[1024*i] = i; |
| 105 | munmap(ptr, scratch.size); |
| 106 | vgem_fence_signal(vgem, fence); |
| 107 | gem_close(vgem, scratch.handle); |
| 108 | |
| 109 | igt_waitchildren(); |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 110 | close(master[0]); |
| 111 | close(master[1]); |
| 112 | close(slave[0]); |
| 113 | close(slave[1]); |
| 114 | } |
| 115 | |
| 116 | static void test_fence_mmap(int i915, int vgem) |
| 117 | { |
| 118 | struct vgem_bo scratch; |
| 119 | uint32_t handle; |
| 120 | uint32_t *ptr; |
| 121 | uint32_t fence; |
| 122 | int dmabuf, i; |
| 123 | int master[2], slave[2]; |
| 124 | |
| 125 | igt_assert(pipe(master) == 0); |
| 126 | igt_assert(pipe(slave) == 0); |
| 127 | |
| 128 | scratch.width = 1024; |
| 129 | scratch.height = 1024; |
| 130 | scratch.bpp = 32; |
| 131 | vgem_create(vgem, &scratch); |
| 132 | |
| 133 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
| 134 | handle = prime_fd_to_handle(i915, dmabuf); |
| 135 | close(dmabuf); |
| 136 | |
| 137 | igt_fork(child, 1) { |
| 138 | ptr = gem_mmap__gtt(i915, handle, 4096*1024, PROT_READ); |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 139 | |
Chris Wilson | 4d03467 | 2016-07-19 10:54:54 +0100 | [diff] [blame^] | 140 | gem_set_domain(i915, handle, I915_GEM_DOMAIN_GTT, 0); |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 141 | for (i = 0; i < 1024; i++) |
| 142 | igt_assert_eq(ptr[1024*i], 0); |
| 143 | |
| 144 | write(master[1], &child, sizeof(child)); |
| 145 | read(slave[0], &child, sizeof(child)); |
| 146 | |
Chris Wilson | 4d03467 | 2016-07-19 10:54:54 +0100 | [diff] [blame^] | 147 | gem_set_domain(i915, handle, I915_GEM_DOMAIN_GTT, 0); |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 148 | for (i = 0; i < 1024; i++) |
| 149 | igt_assert_eq(ptr[1024*i], i); |
Chris Wilson | 4d03467 | 2016-07-19 10:54:54 +0100 | [diff] [blame^] | 150 | |
| 151 | gem_close(i915, handle); |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 152 | } |
| 153 | |
| 154 | read(master[0], &i, sizeof(i)); |
| 155 | fence = vgem_fence_attach(vgem, &scratch, VGEM_FENCE_WRITE); |
| 156 | write(slave[1], &i, sizeof(i)); |
| 157 | |
| 158 | ptr = vgem_mmap(vgem, &scratch, PROT_WRITE); |
| 159 | for (i = 0; i < 1024; i++) |
| 160 | ptr[1024*i] = i; |
| 161 | munmap(ptr, scratch.size); |
| 162 | vgem_fence_signal(vgem, fence); |
| 163 | gem_close(vgem, scratch.handle); |
| 164 | |
| 165 | igt_waitchildren(); |
| 166 | close(master[0]); |
| 167 | close(master[1]); |
| 168 | close(slave[0]); |
| 169 | close(slave[1]); |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 170 | } |
| 171 | |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 172 | static void test_write(int vgem, int i915) |
| 173 | { |
| 174 | struct vgem_bo scratch; |
| 175 | uint32_t handle; |
| 176 | uint32_t *ptr; |
| 177 | int dmabuf, i; |
| 178 | |
| 179 | scratch.width = 1024; |
| 180 | scratch.height = 1024; |
| 181 | scratch.bpp = 32; |
| 182 | vgem_create(vgem, &scratch); |
| 183 | |
| 184 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
| 185 | handle = prime_fd_to_handle(i915, dmabuf); |
| 186 | close(dmabuf); |
| 187 | |
Chris Wilson | 0e1f5e3 | 2016-06-20 13:27:17 +0100 | [diff] [blame] | 188 | ptr = vgem_mmap(vgem, &scratch, PROT_READ); |
| 189 | gem_close(vgem, scratch.handle); |
| 190 | |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 191 | for (i = 0; i < 1024; i++) |
| 192 | gem_write(i915, handle, 4096*i, &i, sizeof(i)); |
Chris Wilson | 0e1f5e3 | 2016-06-20 13:27:17 +0100 | [diff] [blame] | 193 | gem_close(i915, handle); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 194 | |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 195 | for (i = 0; i < 1024; i++) |
| 196 | igt_assert_eq(ptr[1024*i], i); |
| 197 | munmap(ptr, scratch.size); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | static void test_gtt(int vgem, int i915) |
| 201 | { |
| 202 | struct vgem_bo scratch; |
| 203 | uint32_t handle; |
Chris Wilson | 5020029 | 2016-06-20 20:11:37 +0100 | [diff] [blame] | 204 | uint32_t *ptr, *gtt; |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 205 | int dmabuf, i; |
| 206 | |
| 207 | scratch.width = 1024; |
| 208 | scratch.height = 1024; |
| 209 | scratch.bpp = 32; |
| 210 | vgem_create(vgem, &scratch); |
| 211 | |
| 212 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
| 213 | handle = prime_fd_to_handle(i915, dmabuf); |
| 214 | close(dmabuf); |
| 215 | |
| 216 | ptr = gem_mmap__gtt(i915, handle, scratch.size, PROT_WRITE); |
| 217 | for (i = 0; i < 1024; i++) |
| 218 | ptr[1024*i] = i; |
| 219 | munmap(ptr, scratch.size); |
| 220 | |
| 221 | ptr = vgem_mmap(vgem, &scratch, PROT_READ | PROT_WRITE); |
| 222 | for (i = 0; i < 1024; i++) { |
| 223 | igt_assert_eq(ptr[1024*i], i); |
| 224 | ptr[1024*i] = ~i; |
| 225 | } |
| 226 | munmap(ptr, scratch.size); |
| 227 | |
| 228 | ptr = gem_mmap__gtt(i915, handle, scratch.size, PROT_READ); |
| 229 | for (i = 0; i < 1024; i++) |
| 230 | igt_assert_eq(ptr[1024*i], ~i); |
| 231 | munmap(ptr, scratch.size); |
| 232 | |
Chris Wilson | 5020029 | 2016-06-20 20:11:37 +0100 | [diff] [blame] | 233 | ptr = vgem_mmap(vgem, &scratch, PROT_WRITE); |
| 234 | gtt = gem_mmap__gtt(i915, handle, scratch.size, PROT_WRITE); |
Chris Wilson | a153f95 | 2016-06-20 21:50:07 +0100 | [diff] [blame] | 235 | #if defined(__x86_64__) |
Chris Wilson | 5020029 | 2016-06-20 20:11:37 +0100 | [diff] [blame] | 236 | for (i = 0; i < 1024; i++) { |
| 237 | gtt[1024*i] = i; |
Chris Wilson | a153f95 | 2016-06-20 21:50:07 +0100 | [diff] [blame] | 238 | __builtin_ia32_sfence(); |
Chris Wilson | 5020029 | 2016-06-20 20:11:37 +0100 | [diff] [blame] | 239 | igt_assert_eq(ptr[1024*i], i); |
| 240 | ptr[1024*i] = ~i; |
Chris Wilson | a153f95 | 2016-06-20 21:50:07 +0100 | [diff] [blame] | 241 | __builtin_ia32_sfence(); |
Chris Wilson | 5020029 | 2016-06-20 20:11:37 +0100 | [diff] [blame] | 242 | igt_assert_eq(gtt[1024*i], ~i); |
| 243 | } |
Chris Wilson | a153f95 | 2016-06-20 21:50:07 +0100 | [diff] [blame] | 244 | #endif |
Chris Wilson | 5020029 | 2016-06-20 20:11:37 +0100 | [diff] [blame] | 245 | munmap(gtt, scratch.size); |
| 246 | munmap(ptr, scratch.size); |
| 247 | |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 248 | gem_close(i915, handle); |
| 249 | gem_close(vgem, scratch.handle); |
| 250 | } |
| 251 | |
| 252 | static bool prime_busy(int fd, bool excl) |
| 253 | { |
| 254 | struct pollfd pfd = { .fd = fd, .events = excl ? POLLOUT : POLLIN }; |
| 255 | return poll(&pfd, 1, 0) == 0; |
| 256 | } |
| 257 | |
| 258 | static void work(int i915, int dmabuf, unsigned ring, uint32_t flags) |
| 259 | { |
| 260 | const int SCRATCH = 0; |
| 261 | const int BATCH = 1; |
| 262 | const int gen = intel_gen(intel_get_drm_devid(i915)); |
| 263 | struct drm_i915_gem_exec_object2 obj[2]; |
| 264 | struct drm_i915_gem_relocation_entry store[1024+1]; |
| 265 | struct drm_i915_gem_execbuffer2 execbuf; |
| 266 | unsigned size = ALIGN(ARRAY_SIZE(store)*16 + 4, 4096); |
Chris Wilson | 5b558c5 | 2016-06-20 23:19:18 +0100 | [diff] [blame] | 267 | bool read_busy, write_busy; |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 268 | uint32_t *batch, *bbe; |
| 269 | int i, count; |
| 270 | |
| 271 | memset(&execbuf, 0, sizeof(execbuf)); |
| 272 | execbuf.buffers_ptr = (uintptr_t)obj; |
| 273 | execbuf.buffer_count = 2; |
| 274 | execbuf.flags = ring | flags; |
| 275 | if (gen < 6) |
| 276 | execbuf.flags |= I915_EXEC_SECURE; |
| 277 | |
| 278 | memset(obj, 0, sizeof(obj)); |
| 279 | obj[SCRATCH].handle = prime_fd_to_handle(i915, dmabuf); |
| 280 | |
| 281 | obj[BATCH].handle = gem_create(i915, size); |
| 282 | obj[BATCH].relocs_ptr = (uintptr_t)store; |
| 283 | obj[BATCH].relocation_count = ARRAY_SIZE(store); |
| 284 | memset(store, 0, sizeof(store)); |
| 285 | |
| 286 | batch = gem_mmap__wc(i915, obj[BATCH].handle, 0, size, PROT_WRITE); |
| 287 | gem_set_domain(i915, obj[BATCH].handle, |
| 288 | I915_GEM_DOMAIN_GTT, I915_GEM_DOMAIN_GTT); |
| 289 | |
| 290 | i = 0; |
| 291 | for (count = 0; count < 1024; count++) { |
| 292 | store[count].target_handle = obj[SCRATCH].handle; |
| 293 | store[count].presumed_offset = -1; |
| 294 | store[count].offset = sizeof(uint32_t) * (i + 1); |
| 295 | store[count].delta = sizeof(uint32_t) * count; |
| 296 | store[count].read_domains = I915_GEM_DOMAIN_INSTRUCTION; |
| 297 | store[count].write_domain = I915_GEM_DOMAIN_INSTRUCTION; |
| 298 | batch[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0); |
| 299 | if (gen >= 8) { |
| 300 | batch[++i] = 0; |
| 301 | batch[++i] = 0; |
| 302 | } else if (gen >= 4) { |
| 303 | batch[++i] = 0; |
| 304 | batch[++i] = 0; |
| 305 | store[count].offset += sizeof(uint32_t); |
| 306 | } else { |
| 307 | batch[i]--; |
| 308 | batch[++i] = 0; |
| 309 | } |
| 310 | batch[++i] = count; |
| 311 | i++; |
| 312 | } |
| 313 | |
| 314 | bbe = &batch[i]; |
| 315 | store[count].target_handle = obj[BATCH].handle; /* recurse */ |
| 316 | store[count].presumed_offset = 0; |
| 317 | store[count].offset = sizeof(uint32_t) * (i + 1); |
| 318 | store[count].delta = 0; |
| 319 | store[count].read_domains = I915_GEM_DOMAIN_COMMAND; |
| 320 | store[count].write_domain = 0; |
| 321 | batch[i] = MI_BATCH_BUFFER_START; |
| 322 | if (gen >= 8) { |
| 323 | batch[i] |= 1 << 8 | 1; |
| 324 | batch[++i] = 0; |
| 325 | batch[++i] = 0; |
| 326 | } else if (gen >= 6) { |
| 327 | batch[i] |= 1 << 8; |
| 328 | batch[++i] = 0; |
| 329 | } else { |
| 330 | batch[i] |= 2 << 6; |
| 331 | batch[++i] = 0; |
| 332 | if (gen < 4) { |
| 333 | batch[i] |= 1; |
| 334 | store[count].delta = 1; |
| 335 | } |
| 336 | } |
| 337 | i++; |
| 338 | igt_assert(i < size/sizeof(*batch)); |
| 339 | igt_require(__gem_execbuf(i915, &execbuf) == 0); |
| 340 | gem_close(i915, obj[BATCH].handle); |
| 341 | gem_close(i915, obj[SCRATCH].handle); |
| 342 | |
Chris Wilson | 5b558c5 | 2016-06-20 23:19:18 +0100 | [diff] [blame] | 343 | write_busy = prime_busy(dmabuf, false); |
| 344 | read_busy = prime_busy(dmabuf, true); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 345 | |
| 346 | *bbe = MI_BATCH_BUFFER_END; |
| 347 | __sync_synchronize(); |
| 348 | munmap(batch, size); |
Chris Wilson | 5b558c5 | 2016-06-20 23:19:18 +0100 | [diff] [blame] | 349 | |
| 350 | igt_assert(read_busy && write_busy); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 351 | } |
| 352 | |
| 353 | static void test_busy(int i915, int vgem, unsigned ring, uint32_t flags) |
| 354 | { |
| 355 | struct vgem_bo scratch; |
| 356 | struct timespec tv; |
| 357 | uint32_t *ptr; |
| 358 | int dmabuf; |
| 359 | int i; |
| 360 | |
| 361 | scratch.width = 1024; |
| 362 | scratch.height = 1; |
| 363 | scratch.bpp = 32; |
| 364 | vgem_create(vgem, &scratch); |
| 365 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
| 366 | |
| 367 | work(i915, dmabuf, ring, flags); |
| 368 | |
| 369 | /* Calling busy in a loop should be enough to flush the rendering */ |
| 370 | memset(&tv, 0, sizeof(tv)); |
| 371 | while (prime_busy(dmabuf, false)) |
| 372 | igt_assert(igt_seconds_elapsed(&tv) < 10); |
| 373 | |
| 374 | ptr = vgem_mmap(vgem, &scratch, PROT_READ); |
| 375 | for (i = 0; i < 1024; i++) |
| 376 | igt_assert_eq_u32(ptr[i], i); |
| 377 | munmap(ptr, 4096); |
| 378 | |
| 379 | gem_close(vgem, scratch.handle); |
| 380 | close(dmabuf); |
| 381 | } |
| 382 | |
| 383 | static void test_wait(int i915, int vgem, unsigned ring, uint32_t flags) |
| 384 | { |
| 385 | struct vgem_bo scratch; |
| 386 | struct pollfd pfd; |
| 387 | uint32_t *ptr; |
| 388 | int i; |
| 389 | |
| 390 | scratch.width = 1024; |
| 391 | scratch.height = 1; |
| 392 | scratch.bpp = 32; |
| 393 | vgem_create(vgem, &scratch); |
| 394 | pfd.fd = prime_handle_to_fd(vgem, scratch.handle); |
| 395 | |
| 396 | work(i915, pfd.fd, ring, flags); |
| 397 | |
| 398 | pfd.events = POLLIN; |
| 399 | igt_assert_eq(poll(&pfd, 1, 10000), 1); |
| 400 | |
| 401 | ptr = vgem_mmap(vgem, &scratch, PROT_READ); |
| 402 | for (i = 0; i < 1024; i++) |
| 403 | igt_assert_eq_u32(ptr[i], i); |
| 404 | munmap(ptr, 4096); |
| 405 | |
| 406 | gem_close(vgem, scratch.handle); |
| 407 | close(pfd.fd); |
| 408 | } |
| 409 | |
| 410 | static void test_sync(int i915, int vgem, unsigned ring, uint32_t flags) |
| 411 | { |
| 412 | struct vgem_bo scratch; |
| 413 | uint32_t *ptr; |
| 414 | int dmabuf; |
| 415 | int i; |
| 416 | |
| 417 | scratch.width = 1024; |
| 418 | scratch.height = 1; |
| 419 | scratch.bpp = 32; |
| 420 | vgem_create(vgem, &scratch); |
| 421 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
| 422 | |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 423 | ptr = mmap(NULL, scratch.size, PROT_READ, MAP_SHARED, dmabuf, 0); |
| 424 | igt_assert(ptr != MAP_FAILED); |
| 425 | gem_close(vgem, scratch.handle); |
| 426 | |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 427 | work(i915, dmabuf, ring, flags); |
| 428 | |
| 429 | prime_sync_start(dmabuf, false); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 430 | for (i = 0; i < 1024; i++) |
| 431 | igt_assert_eq_u32(ptr[i], i); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 432 | |
| 433 | prime_sync_end(dmabuf, false); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 434 | close(dmabuf); |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 435 | |
| 436 | munmap(ptr, scratch.size); |
| 437 | } |
| 438 | |
| 439 | static void test_fence_wait(int i915, int vgem, unsigned ring, unsigned flags) |
| 440 | { |
| 441 | struct vgem_bo scratch; |
| 442 | uint32_t fence; |
| 443 | uint32_t *ptr; |
| 444 | int dmabuf; |
| 445 | |
| 446 | scratch.width = 1024; |
| 447 | scratch.height = 1; |
| 448 | scratch.bpp = 32; |
| 449 | vgem_create(vgem, &scratch); |
| 450 | |
| 451 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
Chris Wilson | c8ab577 | 2016-07-15 09:01:59 +0100 | [diff] [blame] | 452 | fence = vgem_fence_attach(vgem, &scratch, VGEM_FENCE_WRITE); |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 453 | igt_assert(prime_busy(dmabuf, false)); |
| 454 | gem_close(vgem, scratch.handle); |
| 455 | |
| 456 | ptr = mmap(NULL, scratch.size, PROT_READ, MAP_SHARED, dmabuf, 0); |
| 457 | igt_assert(ptr != MAP_FAILED); |
| 458 | |
| 459 | igt_fork(child, 1) |
| 460 | work(i915, dmabuf, ring, flags); |
| 461 | |
| 462 | sleep(1); |
| 463 | |
| 464 | /* Check for invalidly completing the task early */ |
| 465 | for (int i = 0; i < 1024; i++) |
| 466 | igt_assert_eq_u32(ptr[i], 0); |
| 467 | |
| 468 | igt_assert(prime_busy(dmabuf, false)); |
| 469 | vgem_fence_signal(vgem, fence); |
| 470 | igt_waitchildren(); |
| 471 | |
| 472 | /* But after signaling and waiting, it should be done */ |
| 473 | prime_sync_start(dmabuf, false); |
| 474 | for (int i = 0; i < 1024; i++) |
| 475 | igt_assert_eq_u32(ptr[i], i); |
| 476 | prime_sync_end(dmabuf, false); |
| 477 | |
| 478 | close(dmabuf); |
| 479 | |
| 480 | munmap(ptr, scratch.size); |
| 481 | } |
| 482 | |
Chris Wilson | c8ab577 | 2016-07-15 09:01:59 +0100 | [diff] [blame] | 483 | static void test_fence_hang(int i915, int vgem, unsigned flags) |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 484 | { |
| 485 | struct vgem_bo scratch; |
| 486 | uint32_t *ptr; |
| 487 | int dmabuf; |
| 488 | int i; |
| 489 | |
| 490 | scratch.width = 1024; |
| 491 | scratch.height = 1; |
| 492 | scratch.bpp = 32; |
| 493 | vgem_create(vgem, &scratch); |
| 494 | dmabuf = prime_handle_to_fd(vgem, scratch.handle); |
Chris Wilson | c8ab577 | 2016-07-15 09:01:59 +0100 | [diff] [blame] | 495 | vgem_fence_attach(vgem, &scratch, flags | WIP_VGEM_FENCE_NOTIMEOUT); |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 496 | |
| 497 | ptr = mmap(NULL, scratch.size, PROT_READ, MAP_SHARED, dmabuf, 0); |
| 498 | igt_assert(ptr != MAP_FAILED); |
| 499 | gem_close(vgem, scratch.handle); |
| 500 | |
| 501 | work(i915, dmabuf, I915_EXEC_DEFAULT, 0); |
| 502 | |
| 503 | /* The work should have been cancelled */ |
| 504 | |
| 505 | prime_sync_start(dmabuf, false); |
| 506 | for (i = 0; i < 1024; i++) |
| 507 | igt_assert_eq_u32(ptr[i], 0); |
| 508 | prime_sync_end(dmabuf, false); |
| 509 | close(dmabuf); |
| 510 | |
| 511 | munmap(ptr, scratch.size); |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 512 | } |
| 513 | |
| 514 | static bool has_prime_export(int fd) |
| 515 | { |
| 516 | uint64_t value; |
| 517 | |
| 518 | if (drmGetCap(fd, DRM_CAP_PRIME, &value)) |
| 519 | return false; |
| 520 | |
| 521 | return value & DRM_PRIME_CAP_EXPORT; |
| 522 | } |
| 523 | |
| 524 | static bool has_prime_import(int fd) |
| 525 | { |
| 526 | uint64_t value; |
| 527 | |
| 528 | if (drmGetCap(fd, DRM_CAP_PRIME, &value)) |
| 529 | return false; |
| 530 | |
| 531 | return value & DRM_PRIME_CAP_IMPORT; |
| 532 | } |
| 533 | |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 534 | static uint32_t set_fb_on_crtc(int fd, int pipe, struct vgem_bo *bo, uint32_t fb_id) |
| 535 | { |
| 536 | drmModeRes *resources = drmModeGetResources(fd); |
| 537 | struct drm_mode_modeinfo *modes = malloc(4096*sizeof(*modes)); |
| 538 | uint32_t encoders[32]; |
| 539 | |
| 540 | for (int o = 0; o < resources->count_connectors; o++) { |
| 541 | struct drm_mode_get_connector conn; |
| 542 | struct drm_mode_crtc set; |
| 543 | int e, m; |
| 544 | |
| 545 | memset(&conn, 0, sizeof(conn)); |
| 546 | conn.connector_id = resources->connectors[o]; |
| 547 | conn.count_modes = 4096; |
| 548 | conn.modes_ptr = (uintptr_t)modes; |
| 549 | conn.count_encoders = 32; |
| 550 | conn.encoders_ptr = (uintptr_t)encoders; |
| 551 | |
| 552 | drmIoctl(fd, DRM_IOCTL_MODE_GETCONNECTOR, &conn); |
| 553 | |
| 554 | for (e = 0; e < conn.count_encoders; e++) { |
| 555 | struct drm_mode_get_encoder enc; |
| 556 | |
| 557 | memset(&enc, 0, sizeof(enc)); |
| 558 | enc.encoder_id = encoders[e]; |
| 559 | drmIoctl(fd, DRM_IOCTL_MODE_GETENCODER, &enc); |
| 560 | if (enc.possible_crtcs & (1 << pipe)) |
| 561 | break; |
| 562 | } |
| 563 | if (e == conn.count_encoders) |
| 564 | continue; |
| 565 | |
| 566 | for (m = 0; m < conn.count_modes; m++) { |
| 567 | if (modes[m].hdisplay == bo->width && |
| 568 | modes[m].vdisplay == bo->height) |
| 569 | break; |
| 570 | } |
| 571 | if (m == conn.count_modes) |
| 572 | continue; |
| 573 | |
| 574 | memset(&set, 0, sizeof(set)); |
| 575 | set.crtc_id = resources->crtcs[pipe]; |
| 576 | set.fb_id = fb_id; |
| 577 | set.set_connectors_ptr = (uintptr_t)&conn.connector_id; |
| 578 | set.count_connectors = 1; |
| 579 | set.mode = modes[m]; |
| 580 | set.mode_valid = 1; |
| 581 | if (drmIoctl(fd, DRM_IOCTL_MODE_SETCRTC, &set) == 0) { |
| 582 | drmModeFreeResources(resources); |
| 583 | return set.crtc_id; |
| 584 | } |
| 585 | } |
| 586 | |
| 587 | drmModeFreeResources(resources); |
| 588 | return 0; |
| 589 | } |
| 590 | |
| 591 | static inline uint32_t pipe_select(int pipe) |
| 592 | { |
| 593 | if (pipe > 1) |
| 594 | return pipe << DRM_VBLANK_HIGH_CRTC_SHIFT; |
| 595 | else if (pipe > 0) |
| 596 | return DRM_VBLANK_SECONDARY; |
| 597 | else |
| 598 | return 0; |
| 599 | } |
| 600 | |
| 601 | static unsigned get_vblank(int fd, int pipe, unsigned flags) |
| 602 | { |
| 603 | union drm_wait_vblank vbl; |
| 604 | |
| 605 | memset(&vbl, 0, sizeof(vbl)); |
| 606 | vbl.request.type = DRM_VBLANK_RELATIVE | pipe_select(pipe) | flags; |
| 607 | if (drmIoctl(fd, DRM_IOCTL_WAIT_VBLANK, &vbl)) |
| 608 | return 0; |
| 609 | |
| 610 | return vbl.reply.sequence; |
| 611 | } |
| 612 | |
Chris Wilson | c8ab577 | 2016-07-15 09:01:59 +0100 | [diff] [blame] | 613 | static void test_flip(int i915, int vgem, unsigned hang) |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 614 | { |
| 615 | struct drm_event_vblank vbl; |
| 616 | uint32_t fb_id, crtc_id; |
| 617 | uint32_t handle, fence; |
| 618 | struct pollfd pfd; |
| 619 | struct vgem_bo bo; |
| 620 | |
| 621 | bo.width = 1024; |
| 622 | bo.height = 768; |
| 623 | bo.bpp = 32; |
| 624 | vgem_create(vgem, &bo); |
| 625 | |
| 626 | pfd.fd = prime_handle_to_fd(vgem, bo.handle); |
| 627 | handle = prime_fd_to_handle(i915, pfd.fd); |
| 628 | igt_assert(handle); |
| 629 | close(pfd.fd); |
| 630 | |
| 631 | do_or_die(__kms_addfb(i915, handle, bo.width, bo.height, bo.pitch, |
| 632 | DRM_FORMAT_XRGB8888, I915_TILING_NONE, |
| 633 | LOCAL_DRM_MODE_FB_MODIFIERS, &fb_id)); |
| 634 | igt_assert(fb_id); |
| 635 | igt_require((crtc_id = set_fb_on_crtc(i915, 0, &bo, fb_id))); |
| 636 | |
| 637 | /* Schedule a flip to wait upon vgem being written */ |
Chris Wilson | c8ab577 | 2016-07-15 09:01:59 +0100 | [diff] [blame] | 638 | fence = vgem_fence_attach(vgem, &bo, VGEM_FENCE_WRITE | hang); |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 639 | do_or_die(drmModePageFlip(i915, crtc_id, fb_id, |
| 640 | DRM_MODE_PAGE_FLIP_EVENT, &fb_id)); |
| 641 | |
| 642 | /* Check we don't flip before the fence is ready */ |
| 643 | pfd.fd = i915; |
| 644 | pfd.events = POLLIN; |
| 645 | for (int n = 0; n < 5; n++) { |
| 646 | igt_assert_eq(poll(&pfd, 1, 0), 0); |
| 647 | get_vblank(i915, 0, DRM_VBLANK_NEXTONMISS); |
| 648 | } |
| 649 | |
| 650 | /* And then the flip is completed as soon as it is ready */ |
| 651 | if (!hang) { |
| 652 | vgem_fence_signal(vgem, fence); |
| 653 | get_vblank(i915, 0, DRM_VBLANK_NEXTONMISS); |
| 654 | igt_assert_eq(poll(&pfd, 1, 0), 1); |
| 655 | } |
| 656 | /* Even if hung, the flip must complete *eventually* */ |
| 657 | igt_set_timeout(20, "Ignored hang"); /* XXX lower fail threshold? */ |
| 658 | igt_assert_eq(read(i915, &vbl, sizeof(vbl)), sizeof(vbl)); |
| 659 | igt_reset_timeout(); |
| 660 | |
| 661 | do_or_die(drmModeRmFB(i915, fb_id)); |
| 662 | gem_close(i915, handle); |
| 663 | gem_close(vgem, bo.handle); |
| 664 | } |
| 665 | |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 666 | igt_main |
| 667 | { |
| 668 | const struct intel_execution_engine *e; |
| 669 | int i915 = -1; |
| 670 | int vgem = -1; |
| 671 | int gen = 0; |
| 672 | |
| 673 | igt_skip_on_simulation(); |
| 674 | |
| 675 | igt_fixture { |
| 676 | vgem = drm_open_driver(DRIVER_VGEM); |
| 677 | igt_require(has_prime_export(vgem)); |
| 678 | |
| 679 | i915 = drm_open_driver_master(DRIVER_INTEL); |
| 680 | igt_require(has_prime_import(i915)); |
| 681 | gem_require_mmap_wc(i915); |
| 682 | gen = intel_gen(intel_get_drm_devid(i915)); |
| 683 | } |
| 684 | |
| 685 | igt_subtest("basic-read") |
| 686 | test_read(vgem, i915); |
| 687 | |
| 688 | igt_subtest("basic-write") |
| 689 | test_write(vgem, i915); |
| 690 | |
| 691 | igt_subtest("basic-gtt") |
| 692 | test_gtt(vgem, i915); |
| 693 | |
| 694 | for (e = intel_execution_engines; e->name; e++) { |
| 695 | igt_subtest_f("%ssync-%s", |
| 696 | e->exec_id == 0 ? "basic-" : "", |
| 697 | e->name) { |
| 698 | gem_require_ring(i915, e->exec_id | e->flags); |
| 699 | igt_skip_on_f(gen == 6 && |
| 700 | e->exec_id == I915_EXEC_BSD, |
| 701 | "MI_STORE_DATA broken on gen6 bsd\n"); |
| 702 | gem_quiescent_gpu(i915); |
| 703 | test_sync(i915, vgem, e->exec_id, e->flags); |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | for (e = intel_execution_engines; e->name; e++) { |
| 708 | igt_subtest_f("%sbusy-%s", |
| 709 | e->exec_id == 0 ? "basic-" : "", |
| 710 | e->name) { |
| 711 | gem_require_ring(i915, e->exec_id | e->flags); |
| 712 | igt_skip_on_f(gen == 6 && |
| 713 | e->exec_id == I915_EXEC_BSD, |
| 714 | "MI_STORE_DATA broken on gen6 bsd\n"); |
| 715 | gem_quiescent_gpu(i915); |
| 716 | test_busy(i915, vgem, e->exec_id, e->flags); |
| 717 | } |
| 718 | } |
| 719 | |
| 720 | for (e = intel_execution_engines; e->name; e++) { |
| 721 | igt_subtest_f("%swait-%s", |
| 722 | e->exec_id == 0 ? "basic-" : "", |
| 723 | e->name) { |
| 724 | gem_require_ring(i915, e->exec_id | e->flags); |
| 725 | igt_skip_on_f(gen == 6 && |
| 726 | e->exec_id == I915_EXEC_BSD, |
| 727 | "MI_STORE_DATA broken on gen6 bsd\n"); |
| 728 | gem_quiescent_gpu(i915); |
| 729 | test_wait(i915, vgem, e->exec_id, e->flags); |
| 730 | } |
| 731 | } |
| 732 | |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 733 | /* Fence testing */ |
| 734 | igt_subtest_group { |
| 735 | igt_fixture { |
| 736 | igt_require(vgem_has_fences(vgem)); |
| 737 | } |
| 738 | |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 739 | igt_subtest("basic-fence-read") |
| 740 | test_fence_read(i915, vgem); |
Chris Wilson | 2cc78a9 | 2016-07-19 10:50:51 +0100 | [diff] [blame] | 741 | igt_subtest("basic-fence-mmap") |
| 742 | test_fence_mmap(i915, vgem); |
Chris Wilson | 8cca110 | 2016-07-18 10:25:24 +0100 | [diff] [blame] | 743 | |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 744 | for (e = intel_execution_engines; e->name; e++) { |
| 745 | igt_subtest_f("%sfence-wait-%s", |
| 746 | e->exec_id == 0 ? "basic-" : "", |
| 747 | e->name) { |
| 748 | gem_require_ring(i915, e->exec_id | e->flags); |
| 749 | igt_skip_on_f(gen == 6 && |
| 750 | e->exec_id == I915_EXEC_BSD, |
| 751 | "MI_STORE_DATA broken on gen6 bsd\n"); |
| 752 | gem_quiescent_gpu(i915); |
| 753 | test_fence_wait(i915, vgem, e->exec_id, e->flags); |
| 754 | } |
| 755 | } |
| 756 | |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 757 | igt_subtest("basic-fence-flip") |
Chris Wilson | c8ab577 | 2016-07-15 09:01:59 +0100 | [diff] [blame] | 758 | test_flip(i915, vgem, 0); |
| 759 | |
| 760 | igt_subtest_group { |
| 761 | igt_fixture { |
| 762 | igt_require(vgem_fence_has_flag(vgem, WIP_VGEM_FENCE_NOTIMEOUT)); |
| 763 | } |
| 764 | |
| 765 | igt_subtest("fence-read-hang") |
| 766 | test_fence_hang(i915, vgem, 0); |
| 767 | igt_subtest("fence-write-hang") |
| 768 | test_fence_hang(i915, vgem, VGEM_FENCE_WRITE); |
| 769 | |
| 770 | igt_subtest("fence-flip-hang") |
| 771 | test_flip(i915, vgem, WIP_VGEM_FENCE_NOTIMEOUT); |
| 772 | } |
Chris Wilson | 93256e3 | 2016-06-22 07:21:09 +0100 | [diff] [blame] | 773 | } |
| 774 | |
Chris Wilson | c344044 | 2016-06-18 00:42:19 +0100 | [diff] [blame] | 775 | igt_fixture { |
| 776 | close(i915); |
| 777 | close(vgem); |
| 778 | } |
| 779 | } |