Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 Advanced Micro Devices, Inc. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 6 | * copy of this software and associated documentation files (the |
| 7 | * "Software"), to deal in the Software without restriction, including |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
| 9 | * distribute, sub license, and/or sell copies of the Software, and to |
| 10 | * permit persons to whom the Software is furnished to do so, subject to |
| 11 | * the following conditions: |
| 12 | * |
| 13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 14 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 15 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| 16 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| 17 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| 18 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| 19 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 20 | * |
| 21 | * The above copyright notice and this permission notice (including the |
| 22 | * next paragraph) shall be included in all copies or substantial portions |
| 23 | * of the Software. |
| 24 | * |
| 25 | * Authors: Christian König <christian.koenig@amd.com> |
| 26 | */ |
| 27 | |
| 28 | #include <linux/firmware.h> |
| 29 | #include <linux/module.h> |
| 30 | #include <drm/drmP.h> |
| 31 | #include <drm/drm.h> |
| 32 | |
| 33 | #include "radeon.h" |
| 34 | #include "radeon_asic.h" |
| 35 | #include "sid.h" |
| 36 | |
Alex Deucher | 03afe6f | 2013-08-23 11:56:26 -0400 | [diff] [blame] | 37 | /* 1 second timeout */ |
| 38 | #define VCE_IDLE_TIMEOUT_MS 1000 |
| 39 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 40 | /* Firmware Names */ |
| 41 | #define FIRMWARE_BONAIRE "radeon/BONAIRE_vce.bin" |
| 42 | |
| 43 | MODULE_FIRMWARE(FIRMWARE_BONAIRE); |
| 44 | |
Alex Deucher | 03afe6f | 2013-08-23 11:56:26 -0400 | [diff] [blame] | 45 | static void radeon_vce_idle_work_handler(struct work_struct *work); |
| 46 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 47 | /** |
| 48 | * radeon_vce_init - allocate memory, load vce firmware |
| 49 | * |
| 50 | * @rdev: radeon_device pointer |
| 51 | * |
| 52 | * First step to get VCE online, allocate memory and load the firmware |
| 53 | */ |
| 54 | int radeon_vce_init(struct radeon_device *rdev) |
| 55 | { |
Christian König | 98ccc29 | 2014-01-23 09:50:49 -0700 | [diff] [blame] | 56 | static const char *fw_version = "[ATI LIB=VCEFW,"; |
| 57 | static const char *fb_version = "[ATI LIB=VCEFWSTATS,"; |
| 58 | unsigned long size; |
| 59 | const char *fw_name, *c; |
| 60 | uint8_t start, mid, end; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 61 | int i, r; |
| 62 | |
Alex Deucher | 03afe6f | 2013-08-23 11:56:26 -0400 | [diff] [blame] | 63 | INIT_DELAYED_WORK(&rdev->vce.idle_work, radeon_vce_idle_work_handler); |
| 64 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 65 | switch (rdev->family) { |
| 66 | case CHIP_BONAIRE: |
| 67 | case CHIP_KAVERI: |
| 68 | case CHIP_KABINI: |
Alex Deucher | d71c48f | 2014-06-05 23:01:03 -0400 | [diff] [blame] | 69 | case CHIP_HAWAII: |
Leo Liu | 428bedd | 2014-04-30 18:40:54 -0400 | [diff] [blame] | 70 | case CHIP_MULLINS: |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 71 | fw_name = FIRMWARE_BONAIRE; |
| 72 | break; |
| 73 | |
| 74 | default: |
| 75 | return -EINVAL; |
| 76 | } |
| 77 | |
| 78 | r = request_firmware(&rdev->vce_fw, fw_name, rdev->dev); |
| 79 | if (r) { |
| 80 | dev_err(rdev->dev, "radeon_vce: Can't load firmware \"%s\"\n", |
| 81 | fw_name); |
| 82 | return r; |
| 83 | } |
| 84 | |
Christian König | 98ccc29 | 2014-01-23 09:50:49 -0700 | [diff] [blame] | 85 | /* search for firmware version */ |
| 86 | |
| 87 | size = rdev->vce_fw->size - strlen(fw_version) - 9; |
| 88 | c = rdev->vce_fw->data; |
| 89 | for (;size > 0; --size, ++c) |
| 90 | if (strncmp(c, fw_version, strlen(fw_version)) == 0) |
| 91 | break; |
| 92 | |
| 93 | if (size == 0) |
| 94 | return -EINVAL; |
| 95 | |
| 96 | c += strlen(fw_version); |
| 97 | if (sscanf(c, "%2hhd.%2hhd.%2hhd]", &start, &mid, &end) != 3) |
| 98 | return -EINVAL; |
| 99 | |
| 100 | /* search for feedback version */ |
| 101 | |
| 102 | size = rdev->vce_fw->size - strlen(fb_version) - 3; |
| 103 | c = rdev->vce_fw->data; |
| 104 | for (;size > 0; --size, ++c) |
| 105 | if (strncmp(c, fb_version, strlen(fb_version)) == 0) |
| 106 | break; |
| 107 | |
| 108 | if (size == 0) |
| 109 | return -EINVAL; |
| 110 | |
| 111 | c += strlen(fb_version); |
| 112 | if (sscanf(c, "%2u]", &rdev->vce.fb_version) != 1) |
| 113 | return -EINVAL; |
| 114 | |
| 115 | DRM_INFO("Found VCE firmware/feedback version %hhd.%hhd.%hhd / %d!\n", |
| 116 | start, mid, end, rdev->vce.fb_version); |
| 117 | |
| 118 | rdev->vce.fw_version = (start << 24) | (mid << 16) | (end << 8); |
| 119 | |
| 120 | /* we can only work with this fw version for now */ |
| 121 | if (rdev->vce.fw_version != ((40 << 24) | (2 << 16) | (2 << 8))) |
| 122 | return -EINVAL; |
| 123 | |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 124 | /* allocate firmware, stack and heap BO */ |
Christian König | 98ccc29 | 2014-01-23 09:50:49 -0700 | [diff] [blame] | 125 | |
| 126 | size = RADEON_GPU_PAGE_ALIGN(rdev->vce_fw->size) + |
| 127 | RADEON_VCE_STACK_SIZE + RADEON_VCE_HEAP_SIZE; |
| 128 | r = radeon_bo_create(rdev, size, PAGE_SIZE, true, |
Michel Dänzer | 02376d8 | 2014-07-17 19:01:08 +0900 | [diff] [blame] | 129 | RADEON_GEM_DOMAIN_VRAM, 0, NULL, &rdev->vce.vcpu_bo); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 130 | if (r) { |
| 131 | dev_err(rdev->dev, "(%d) failed to allocate VCE bo\n", r); |
| 132 | return r; |
| 133 | } |
| 134 | |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 135 | r = radeon_bo_reserve(rdev->vce.vcpu_bo, false); |
| 136 | if (r) { |
| 137 | radeon_bo_unref(&rdev->vce.vcpu_bo); |
| 138 | dev_err(rdev->dev, "(%d) failed to reserve VCE bo\n", r); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 139 | return r; |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 140 | } |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 141 | |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 142 | r = radeon_bo_pin(rdev->vce.vcpu_bo, RADEON_GEM_DOMAIN_VRAM, |
| 143 | &rdev->vce.gpu_addr); |
| 144 | radeon_bo_unreserve(rdev->vce.vcpu_bo); |
| 145 | if (r) { |
| 146 | radeon_bo_unref(&rdev->vce.vcpu_bo); |
| 147 | dev_err(rdev->dev, "(%d) VCE bo pin failed\n", r); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 148 | return r; |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 149 | } |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 150 | |
| 151 | for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { |
| 152 | atomic_set(&rdev->vce.handles[i], 0); |
| 153 | rdev->vce.filp[i] = NULL; |
| 154 | } |
| 155 | |
| 156 | return 0; |
| 157 | } |
| 158 | |
| 159 | /** |
| 160 | * radeon_vce_fini - free memory |
| 161 | * |
| 162 | * @rdev: radeon_device pointer |
| 163 | * |
| 164 | * Last step on VCE teardown, free firmware memory |
| 165 | */ |
| 166 | void radeon_vce_fini(struct radeon_device *rdev) |
| 167 | { |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 168 | if (rdev->vce.vcpu_bo == NULL) |
| 169 | return; |
| 170 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 171 | radeon_bo_unref(&rdev->vce.vcpu_bo); |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 172 | |
| 173 | release_firmware(rdev->vce_fw); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | /** |
| 177 | * radeon_vce_suspend - unpin VCE fw memory |
| 178 | * |
| 179 | * @rdev: radeon_device pointer |
| 180 | * |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 181 | */ |
| 182 | int radeon_vce_suspend(struct radeon_device *rdev) |
| 183 | { |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 184 | int i; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 185 | |
| 186 | if (rdev->vce.vcpu_bo == NULL) |
| 187 | return 0; |
| 188 | |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 189 | for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) |
| 190 | if (atomic_read(&rdev->vce.handles[i])) |
| 191 | break; |
| 192 | |
| 193 | if (i == RADEON_MAX_VCE_HANDLES) |
| 194 | return 0; |
| 195 | |
| 196 | /* TODO: suspending running encoding sessions isn't supported */ |
| 197 | return -EINVAL; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | /** |
| 201 | * radeon_vce_resume - pin VCE fw memory |
| 202 | * |
| 203 | * @rdev: radeon_device pointer |
| 204 | * |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 205 | */ |
| 206 | int radeon_vce_resume(struct radeon_device *rdev) |
| 207 | { |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 208 | void *cpu_addr; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 209 | int r; |
| 210 | |
| 211 | if (rdev->vce.vcpu_bo == NULL) |
| 212 | return -EINVAL; |
| 213 | |
| 214 | r = radeon_bo_reserve(rdev->vce.vcpu_bo, false); |
| 215 | if (r) { |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 216 | dev_err(rdev->dev, "(%d) failed to reserve VCE bo\n", r); |
| 217 | return r; |
| 218 | } |
| 219 | |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 220 | r = radeon_bo_kmap(rdev->vce.vcpu_bo, &cpu_addr); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 221 | if (r) { |
| 222 | radeon_bo_unreserve(rdev->vce.vcpu_bo); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 223 | dev_err(rdev->dev, "(%d) VCE map failed\n", r); |
| 224 | return r; |
| 225 | } |
| 226 | |
Christian König | b03b4e4 | 2014-02-28 13:16:32 +0100 | [diff] [blame] | 227 | memcpy(cpu_addr, rdev->vce_fw->data, rdev->vce_fw->size); |
| 228 | |
| 229 | radeon_bo_kunmap(rdev->vce.vcpu_bo); |
| 230 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 231 | radeon_bo_unreserve(rdev->vce.vcpu_bo); |
| 232 | |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | /** |
Alex Deucher | 03afe6f | 2013-08-23 11:56:26 -0400 | [diff] [blame] | 237 | * radeon_vce_idle_work_handler - power off VCE |
| 238 | * |
| 239 | * @work: pointer to work structure |
| 240 | * |
| 241 | * power of VCE when it's not used any more |
| 242 | */ |
| 243 | static void radeon_vce_idle_work_handler(struct work_struct *work) |
| 244 | { |
| 245 | struct radeon_device *rdev = |
| 246 | container_of(work, struct radeon_device, vce.idle_work.work); |
| 247 | |
| 248 | if ((radeon_fence_count_emitted(rdev, TN_RING_TYPE_VCE1_INDEX) == 0) && |
| 249 | (radeon_fence_count_emitted(rdev, TN_RING_TYPE_VCE2_INDEX) == 0)) { |
| 250 | if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { |
| 251 | radeon_dpm_enable_vce(rdev, false); |
| 252 | } else { |
| 253 | radeon_set_vce_clocks(rdev, 0, 0); |
| 254 | } |
| 255 | } else { |
| 256 | schedule_delayed_work(&rdev->vce.idle_work, |
| 257 | msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); |
| 258 | } |
| 259 | } |
| 260 | |
| 261 | /** |
| 262 | * radeon_vce_note_usage - power up VCE |
| 263 | * |
| 264 | * @rdev: radeon_device pointer |
| 265 | * |
| 266 | * Make sure VCE is powerd up when we want to use it |
| 267 | */ |
| 268 | void radeon_vce_note_usage(struct radeon_device *rdev) |
| 269 | { |
| 270 | bool streams_changed = false; |
| 271 | bool set_clocks = !cancel_delayed_work_sync(&rdev->vce.idle_work); |
| 272 | set_clocks &= schedule_delayed_work(&rdev->vce.idle_work, |
| 273 | msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS)); |
| 274 | |
| 275 | if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { |
| 276 | /* XXX figure out if the streams changed */ |
| 277 | streams_changed = false; |
| 278 | } |
| 279 | |
| 280 | if (set_clocks || streams_changed) { |
| 281 | if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) { |
| 282 | radeon_dpm_enable_vce(rdev, true); |
| 283 | } else { |
| 284 | radeon_set_vce_clocks(rdev, 53300, 40000); |
| 285 | } |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | /** |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 290 | * radeon_vce_free_handles - free still open VCE handles |
| 291 | * |
| 292 | * @rdev: radeon_device pointer |
| 293 | * @filp: drm file pointer |
| 294 | * |
| 295 | * Close all VCE handles still open by this file pointer |
| 296 | */ |
| 297 | void radeon_vce_free_handles(struct radeon_device *rdev, struct drm_file *filp) |
| 298 | { |
| 299 | int i, r; |
| 300 | for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { |
| 301 | uint32_t handle = atomic_read(&rdev->vce.handles[i]); |
| 302 | if (!handle || rdev->vce.filp[i] != filp) |
| 303 | continue; |
| 304 | |
Alex Deucher | 03afe6f | 2013-08-23 11:56:26 -0400 | [diff] [blame] | 305 | radeon_vce_note_usage(rdev); |
| 306 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 307 | r = radeon_vce_get_destroy_msg(rdev, TN_RING_TYPE_VCE1_INDEX, |
| 308 | handle, NULL); |
| 309 | if (r) |
| 310 | DRM_ERROR("Error destroying VCE handle (%d)!\n", r); |
| 311 | |
| 312 | rdev->vce.filp[i] = NULL; |
| 313 | atomic_set(&rdev->vce.handles[i], 0); |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | /** |
| 318 | * radeon_vce_get_create_msg - generate a VCE create msg |
| 319 | * |
| 320 | * @rdev: radeon_device pointer |
| 321 | * @ring: ring we should submit the msg to |
| 322 | * @handle: VCE session handle to use |
| 323 | * @fence: optional fence to return |
| 324 | * |
| 325 | * Open up a stream for HW test |
| 326 | */ |
| 327 | int radeon_vce_get_create_msg(struct radeon_device *rdev, int ring, |
| 328 | uint32_t handle, struct radeon_fence **fence) |
| 329 | { |
| 330 | const unsigned ib_size_dw = 1024; |
| 331 | struct radeon_ib ib; |
| 332 | uint64_t dummy; |
| 333 | int i, r; |
| 334 | |
| 335 | r = radeon_ib_get(rdev, ring, &ib, NULL, ib_size_dw * 4); |
| 336 | if (r) { |
| 337 | DRM_ERROR("radeon: failed to get ib (%d).\n", r); |
| 338 | return r; |
| 339 | } |
| 340 | |
| 341 | dummy = ib.gpu_addr + 1024; |
| 342 | |
| 343 | /* stitch together an VCE create msg */ |
| 344 | ib.length_dw = 0; |
| 345 | ib.ptr[ib.length_dw++] = 0x0000000c; /* len */ |
| 346 | ib.ptr[ib.length_dw++] = 0x00000001; /* session cmd */ |
| 347 | ib.ptr[ib.length_dw++] = handle; |
| 348 | |
| 349 | ib.ptr[ib.length_dw++] = 0x00000030; /* len */ |
| 350 | ib.ptr[ib.length_dw++] = 0x01000001; /* create cmd */ |
| 351 | ib.ptr[ib.length_dw++] = 0x00000000; |
| 352 | ib.ptr[ib.length_dw++] = 0x00000042; |
| 353 | ib.ptr[ib.length_dw++] = 0x0000000a; |
| 354 | ib.ptr[ib.length_dw++] = 0x00000001; |
| 355 | ib.ptr[ib.length_dw++] = 0x00000080; |
| 356 | ib.ptr[ib.length_dw++] = 0x00000060; |
| 357 | ib.ptr[ib.length_dw++] = 0x00000100; |
| 358 | ib.ptr[ib.length_dw++] = 0x00000100; |
| 359 | ib.ptr[ib.length_dw++] = 0x0000000c; |
| 360 | ib.ptr[ib.length_dw++] = 0x00000000; |
| 361 | |
| 362 | ib.ptr[ib.length_dw++] = 0x00000014; /* len */ |
| 363 | ib.ptr[ib.length_dw++] = 0x05000005; /* feedback buffer */ |
| 364 | ib.ptr[ib.length_dw++] = upper_32_bits(dummy); |
| 365 | ib.ptr[ib.length_dw++] = dummy; |
| 366 | ib.ptr[ib.length_dw++] = 0x00000001; |
| 367 | |
| 368 | for (i = ib.length_dw; i < ib_size_dw; ++i) |
| 369 | ib.ptr[i] = 0x0; |
| 370 | |
| 371 | r = radeon_ib_schedule(rdev, &ib, NULL); |
| 372 | if (r) { |
| 373 | DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); |
| 374 | } |
| 375 | |
| 376 | if (fence) |
| 377 | *fence = radeon_fence_ref(ib.fence); |
| 378 | |
| 379 | radeon_ib_free(rdev, &ib); |
| 380 | |
| 381 | return r; |
| 382 | } |
| 383 | |
| 384 | /** |
| 385 | * radeon_vce_get_destroy_msg - generate a VCE destroy msg |
| 386 | * |
| 387 | * @rdev: radeon_device pointer |
| 388 | * @ring: ring we should submit the msg to |
| 389 | * @handle: VCE session handle to use |
| 390 | * @fence: optional fence to return |
| 391 | * |
| 392 | * Close up a stream for HW test or if userspace failed to do so |
| 393 | */ |
| 394 | int radeon_vce_get_destroy_msg(struct radeon_device *rdev, int ring, |
| 395 | uint32_t handle, struct radeon_fence **fence) |
| 396 | { |
| 397 | const unsigned ib_size_dw = 1024; |
| 398 | struct radeon_ib ib; |
| 399 | uint64_t dummy; |
| 400 | int i, r; |
| 401 | |
| 402 | r = radeon_ib_get(rdev, ring, &ib, NULL, ib_size_dw * 4); |
| 403 | if (r) { |
| 404 | DRM_ERROR("radeon: failed to get ib (%d).\n", r); |
| 405 | return r; |
| 406 | } |
| 407 | |
| 408 | dummy = ib.gpu_addr + 1024; |
| 409 | |
| 410 | /* stitch together an VCE destroy msg */ |
| 411 | ib.length_dw = 0; |
| 412 | ib.ptr[ib.length_dw++] = 0x0000000c; /* len */ |
| 413 | ib.ptr[ib.length_dw++] = 0x00000001; /* session cmd */ |
| 414 | ib.ptr[ib.length_dw++] = handle; |
| 415 | |
| 416 | ib.ptr[ib.length_dw++] = 0x00000014; /* len */ |
| 417 | ib.ptr[ib.length_dw++] = 0x05000005; /* feedback buffer */ |
| 418 | ib.ptr[ib.length_dw++] = upper_32_bits(dummy); |
| 419 | ib.ptr[ib.length_dw++] = dummy; |
| 420 | ib.ptr[ib.length_dw++] = 0x00000001; |
| 421 | |
| 422 | ib.ptr[ib.length_dw++] = 0x00000008; /* len */ |
| 423 | ib.ptr[ib.length_dw++] = 0x02000001; /* destroy cmd */ |
| 424 | |
| 425 | for (i = ib.length_dw; i < ib_size_dw; ++i) |
| 426 | ib.ptr[i] = 0x0; |
| 427 | |
| 428 | r = radeon_ib_schedule(rdev, &ib, NULL); |
| 429 | if (r) { |
| 430 | DRM_ERROR("radeon: failed to schedule ib (%d).\n", r); |
| 431 | } |
| 432 | |
| 433 | if (fence) |
| 434 | *fence = radeon_fence_ref(ib.fence); |
| 435 | |
| 436 | radeon_ib_free(rdev, &ib); |
| 437 | |
| 438 | return r; |
| 439 | } |
| 440 | |
| 441 | /** |
| 442 | * radeon_vce_cs_reloc - command submission relocation |
| 443 | * |
| 444 | * @p: parser context |
| 445 | * @lo: address of lower dword |
| 446 | * @hi: address of higher dword |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 447 | * @size: size of checker for relocation buffer |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 448 | * |
| 449 | * Patch relocation inside command stream with real buffer address |
| 450 | */ |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 451 | int radeon_vce_cs_reloc(struct radeon_cs_parser *p, int lo, int hi, |
| 452 | unsigned size) |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 453 | { |
| 454 | struct radeon_cs_chunk *relocs_chunk; |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 455 | struct radeon_cs_reloc *reloc; |
| 456 | uint64_t start, end, offset; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 457 | unsigned idx; |
| 458 | |
| 459 | relocs_chunk = &p->chunks[p->chunk_relocs_idx]; |
| 460 | offset = radeon_get_ib_value(p, lo); |
| 461 | idx = radeon_get_ib_value(p, hi); |
| 462 | |
| 463 | if (idx >= relocs_chunk->length_dw) { |
| 464 | DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", |
| 465 | idx, relocs_chunk->length_dw); |
| 466 | return -EINVAL; |
| 467 | } |
| 468 | |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 469 | reloc = p->relocs_ptr[(idx / 4)]; |
| 470 | start = reloc->gpu_offset; |
| 471 | end = start + radeon_bo_size(reloc->robj); |
| 472 | start += offset; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 473 | |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 474 | p->ib.ptr[lo] = start & 0xFFFFFFFF; |
| 475 | p->ib.ptr[hi] = start >> 32; |
| 476 | |
| 477 | if (end <= start) { |
| 478 | DRM_ERROR("invalid reloc offset %llX!\n", offset); |
| 479 | return -EINVAL; |
| 480 | } |
| 481 | if ((end - start) < size) { |
| 482 | DRM_ERROR("buffer to small (%d / %d)!\n", |
| 483 | (unsigned)(end - start), size); |
| 484 | return -EINVAL; |
| 485 | } |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 486 | |
| 487 | return 0; |
| 488 | } |
| 489 | |
| 490 | /** |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 491 | * radeon_vce_validate_handle - validate stream handle |
| 492 | * |
| 493 | * @p: parser context |
| 494 | * @handle: handle to validate |
| 495 | * |
| 496 | * Validates the handle and return the found session index or -EINVAL |
| 497 | * we we don't have another free session index. |
| 498 | */ |
| 499 | int radeon_vce_validate_handle(struct radeon_cs_parser *p, uint32_t handle) |
| 500 | { |
| 501 | unsigned i; |
| 502 | |
| 503 | /* validate the handle */ |
| 504 | for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { |
| 505 | if (atomic_read(&p->rdev->vce.handles[i]) == handle) |
| 506 | return i; |
| 507 | } |
| 508 | |
| 509 | /* handle not found try to alloc a new one */ |
| 510 | for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) { |
| 511 | if (!atomic_cmpxchg(&p->rdev->vce.handles[i], 0, handle)) { |
| 512 | p->rdev->vce.filp[i] = p->filp; |
| 513 | p->rdev->vce.img_size[i] = 0; |
| 514 | return i; |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | DRM_ERROR("No more free VCE handles!\n"); |
| 519 | return -EINVAL; |
| 520 | } |
| 521 | |
| 522 | /** |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 523 | * radeon_vce_cs_parse - parse and validate the command stream |
| 524 | * |
| 525 | * @p: parser context |
| 526 | * |
| 527 | */ |
| 528 | int radeon_vce_cs_parse(struct radeon_cs_parser *p) |
| 529 | { |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 530 | int session_idx = -1; |
| 531 | bool destroyed = false; |
| 532 | uint32_t tmp, handle = 0; |
| 533 | uint32_t *size = &tmp; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 534 | int i, r; |
| 535 | |
| 536 | while (p->idx < p->chunks[p->chunk_ib_idx].length_dw) { |
| 537 | uint32_t len = radeon_get_ib_value(p, p->idx); |
| 538 | uint32_t cmd = radeon_get_ib_value(p, p->idx + 1); |
| 539 | |
| 540 | if ((len < 8) || (len & 3)) { |
| 541 | DRM_ERROR("invalid VCE command length (%d)!\n", len); |
| 542 | return -EINVAL; |
| 543 | } |
| 544 | |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 545 | if (destroyed) { |
| 546 | DRM_ERROR("No other command allowed after destroy!\n"); |
| 547 | return -EINVAL; |
| 548 | } |
| 549 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 550 | switch (cmd) { |
| 551 | case 0x00000001: // session |
| 552 | handle = radeon_get_ib_value(p, p->idx + 2); |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 553 | session_idx = radeon_vce_validate_handle(p, handle); |
| 554 | if (session_idx < 0) |
| 555 | return session_idx; |
| 556 | size = &p->rdev->vce.img_size[session_idx]; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 557 | break; |
| 558 | |
| 559 | case 0x00000002: // task info |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 560 | break; |
| 561 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 562 | case 0x01000001: // create |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 563 | *size = radeon_get_ib_value(p, p->idx + 8) * |
| 564 | radeon_get_ib_value(p, p->idx + 10) * |
| 565 | 8 * 3 / 2; |
| 566 | break; |
| 567 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 568 | case 0x04000001: // config extension |
| 569 | case 0x04000002: // pic control |
| 570 | case 0x04000005: // rate control |
| 571 | case 0x04000007: // motion estimation |
| 572 | case 0x04000008: // rdo |
| 573 | break; |
| 574 | |
| 575 | case 0x03000001: // encode |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 576 | r = radeon_vce_cs_reloc(p, p->idx + 10, p->idx + 9, |
| 577 | *size); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 578 | if (r) |
| 579 | return r; |
| 580 | |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 581 | r = radeon_vce_cs_reloc(p, p->idx + 12, p->idx + 11, |
| 582 | *size / 3); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 583 | if (r) |
| 584 | return r; |
| 585 | break; |
| 586 | |
| 587 | case 0x02000001: // destroy |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 588 | destroyed = true; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 589 | break; |
| 590 | |
| 591 | case 0x05000001: // context buffer |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 592 | r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2, |
| 593 | *size * 2); |
| 594 | if (r) |
| 595 | return r; |
| 596 | break; |
| 597 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 598 | case 0x05000004: // video bitstream buffer |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 599 | tmp = radeon_get_ib_value(p, p->idx + 4); |
| 600 | r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2, |
| 601 | tmp); |
| 602 | if (r) |
| 603 | return r; |
| 604 | break; |
| 605 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 606 | case 0x05000005: // feedback buffer |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 607 | r = radeon_vce_cs_reloc(p, p->idx + 3, p->idx + 2, |
| 608 | 4096); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 609 | if (r) |
| 610 | return r; |
| 611 | break; |
| 612 | |
| 613 | default: |
| 614 | DRM_ERROR("invalid VCE command (0x%x)!\n", cmd); |
| 615 | return -EINVAL; |
| 616 | } |
| 617 | |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 618 | if (session_idx == -1) { |
| 619 | DRM_ERROR("no session command at start of IB\n"); |
| 620 | return -EINVAL; |
| 621 | } |
| 622 | |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 623 | p->idx += len / 4; |
| 624 | } |
| 625 | |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 626 | if (destroyed) { |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 627 | /* IB contains a destroy msg, free the handle */ |
| 628 | for (i = 0; i < RADEON_MAX_VCE_HANDLES; ++i) |
| 629 | atomic_cmpxchg(&p->rdev->vce.handles[i], handle, 0); |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 630 | } |
| 631 | |
Leo Liu | 2fc5703 | 2014-05-05 15:42:18 -0400 | [diff] [blame] | 632 | return 0; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 633 | } |
| 634 | |
| 635 | /** |
| 636 | * radeon_vce_semaphore_emit - emit a semaphore command |
| 637 | * |
| 638 | * @rdev: radeon_device pointer |
| 639 | * @ring: engine to use |
| 640 | * @semaphore: address of semaphore |
| 641 | * @emit_wait: true=emit wait, false=emit signal |
| 642 | * |
| 643 | */ |
| 644 | bool radeon_vce_semaphore_emit(struct radeon_device *rdev, |
| 645 | struct radeon_ring *ring, |
| 646 | struct radeon_semaphore *semaphore, |
| 647 | bool emit_wait) |
| 648 | { |
| 649 | uint64_t addr = semaphore->gpu_addr; |
| 650 | |
| 651 | radeon_ring_write(ring, VCE_CMD_SEMAPHORE); |
| 652 | radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF); |
| 653 | radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF); |
| 654 | radeon_ring_write(ring, 0x01003000 | (emit_wait ? 1 : 0)); |
| 655 | if (!emit_wait) |
| 656 | radeon_ring_write(ring, VCE_CMD_END); |
| 657 | |
| 658 | return true; |
| 659 | } |
| 660 | |
| 661 | /** |
| 662 | * radeon_vce_ib_execute - execute indirect buffer |
| 663 | * |
| 664 | * @rdev: radeon_device pointer |
| 665 | * @ib: the IB to execute |
| 666 | * |
| 667 | */ |
| 668 | void radeon_vce_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib) |
| 669 | { |
| 670 | struct radeon_ring *ring = &rdev->ring[ib->ring]; |
| 671 | radeon_ring_write(ring, VCE_CMD_IB); |
| 672 | radeon_ring_write(ring, ib->gpu_addr); |
| 673 | radeon_ring_write(ring, upper_32_bits(ib->gpu_addr)); |
| 674 | radeon_ring_write(ring, ib->length_dw); |
| 675 | } |
| 676 | |
| 677 | /** |
| 678 | * radeon_vce_fence_emit - add a fence command to the ring |
| 679 | * |
| 680 | * @rdev: radeon_device pointer |
| 681 | * @fence: the fence |
| 682 | * |
| 683 | */ |
| 684 | void radeon_vce_fence_emit(struct radeon_device *rdev, |
| 685 | struct radeon_fence *fence) |
| 686 | { |
| 687 | struct radeon_ring *ring = &rdev->ring[fence->ring]; |
Christoph Jaeger | 681941c | 2014-04-15 00:10:22 +0200 | [diff] [blame] | 688 | uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr; |
Christian König | d93f793 | 2013-05-23 12:10:04 +0200 | [diff] [blame] | 689 | |
| 690 | radeon_ring_write(ring, VCE_CMD_FENCE); |
| 691 | radeon_ring_write(ring, addr); |
| 692 | radeon_ring_write(ring, upper_32_bits(addr)); |
| 693 | radeon_ring_write(ring, fence->seq); |
| 694 | radeon_ring_write(ring, VCE_CMD_TRAP); |
| 695 | radeon_ring_write(ring, VCE_CMD_END); |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * radeon_vce_ring_test - test if VCE ring is working |
| 700 | * |
| 701 | * @rdev: radeon_device pointer |
| 702 | * @ring: the engine to test on |
| 703 | * |
| 704 | */ |
| 705 | int radeon_vce_ring_test(struct radeon_device *rdev, struct radeon_ring *ring) |
| 706 | { |
| 707 | uint32_t rptr = vce_v1_0_get_rptr(rdev, ring); |
| 708 | unsigned i; |
| 709 | int r; |
| 710 | |
| 711 | r = radeon_ring_lock(rdev, ring, 16); |
| 712 | if (r) { |
| 713 | DRM_ERROR("radeon: vce failed to lock ring %d (%d).\n", |
| 714 | ring->idx, r); |
| 715 | return r; |
| 716 | } |
| 717 | radeon_ring_write(ring, VCE_CMD_END); |
| 718 | radeon_ring_unlock_commit(rdev, ring); |
| 719 | |
| 720 | for (i = 0; i < rdev->usec_timeout; i++) { |
| 721 | if (vce_v1_0_get_rptr(rdev, ring) != rptr) |
| 722 | break; |
| 723 | DRM_UDELAY(1); |
| 724 | } |
| 725 | |
| 726 | if (i < rdev->usec_timeout) { |
| 727 | DRM_INFO("ring test on %d succeeded in %d usecs\n", |
| 728 | ring->idx, i); |
| 729 | } else { |
| 730 | DRM_ERROR("radeon: ring %d test failed\n", |
| 731 | ring->idx); |
| 732 | r = -ETIMEDOUT; |
| 733 | } |
| 734 | |
| 735 | return r; |
| 736 | } |
| 737 | |
| 738 | /** |
| 739 | * radeon_vce_ib_test - test if VCE IBs are working |
| 740 | * |
| 741 | * @rdev: radeon_device pointer |
| 742 | * @ring: the engine to test on |
| 743 | * |
| 744 | */ |
| 745 | int radeon_vce_ib_test(struct radeon_device *rdev, struct radeon_ring *ring) |
| 746 | { |
| 747 | struct radeon_fence *fence = NULL; |
| 748 | int r; |
| 749 | |
| 750 | r = radeon_vce_get_create_msg(rdev, ring->idx, 1, NULL); |
| 751 | if (r) { |
| 752 | DRM_ERROR("radeon: failed to get create msg (%d).\n", r); |
| 753 | goto error; |
| 754 | } |
| 755 | |
| 756 | r = radeon_vce_get_destroy_msg(rdev, ring->idx, 1, &fence); |
| 757 | if (r) { |
| 758 | DRM_ERROR("radeon: failed to get destroy ib (%d).\n", r); |
| 759 | goto error; |
| 760 | } |
| 761 | |
| 762 | r = radeon_fence_wait(fence, false); |
| 763 | if (r) { |
| 764 | DRM_ERROR("radeon: fence wait failed (%d).\n", r); |
| 765 | } else { |
| 766 | DRM_INFO("ib test on ring %d succeeded\n", ring->idx); |
| 767 | } |
| 768 | error: |
| 769 | radeon_fence_unref(&fence); |
| 770 | return r; |
| 771 | } |