1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2013-2014 Red Hat 4 * Author: Rob Clark <robdclark@gmail.com> 5 * 6 * Copyright (c) 2014,2017 The Linux Foundation. All rights reserved. 7 */ 8 9 #include "adreno_gpu.h" 10 11 #define ANY_ID 0xff 12 13 bool hang_debug = false; 14 MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)"); 15 module_param_named(hang_debug, hang_debug, bool, 0600); 16 17 bool snapshot_debugbus = false; 18 MODULE_PARM_DESC(snapshot_debugbus, "Include debugbus sections in GPU devcoredump (if not fused off)"); 19 module_param_named(snapshot_debugbus, snapshot_debugbus, bool, 0600); 20 21 static const struct adreno_info gpulist[] = { 22 { 23 .rev = ADRENO_REV(2, 0, 0, 0), 24 .revn = 200, 25 .name = "A200", 26 .fw = { 27 [ADRENO_FW_PM4] = "yamato_pm4.fw", 28 [ADRENO_FW_PFP] = "yamato_pfp.fw", 29 }, 30 .gmem = SZ_256K, 31 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 32 .init = a2xx_gpu_init, 33 }, { /* a200 on i.mx51 has only 128kib gmem */ 34 .rev = ADRENO_REV(2, 0, 0, 1), 35 .revn = 201, 36 .name = "A200", 37 .fw = { 38 [ADRENO_FW_PM4] = "yamato_pm4.fw", 39 [ADRENO_FW_PFP] = "yamato_pfp.fw", 40 }, 41 .gmem = SZ_128K, 42 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 43 .init = a2xx_gpu_init, 44 }, { 45 .rev = ADRENO_REV(2, 2, 0, ANY_ID), 46 .revn = 220, 47 .name = "A220", 48 .fw = { 49 [ADRENO_FW_PM4] = "leia_pm4_470.fw", 50 [ADRENO_FW_PFP] = "leia_pfp_470.fw", 51 }, 52 .gmem = SZ_512K, 53 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 54 .init = a2xx_gpu_init, 55 }, { 56 .rev = ADRENO_REV(3, 0, 5, ANY_ID), 57 .revn = 305, 58 .name = "A305", 59 .fw = { 60 [ADRENO_FW_PM4] = "a300_pm4.fw", 61 [ADRENO_FW_PFP] = "a300_pfp.fw", 62 }, 63 .gmem = SZ_256K, 64 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 65 .init = a3xx_gpu_init, 66 }, { 67 .rev = ADRENO_REV(3, 0, 6, 0), 68 .revn = 307, /* because a305c is revn==306 */ 69 .name = "A306", 70 .fw = { 71 [ADRENO_FW_PM4] = "a300_pm4.fw", 72 [ADRENO_FW_PFP] = "a300_pfp.fw", 73 }, 74 .gmem = SZ_128K, 75 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 76 .init = a3xx_gpu_init, 77 }, { 78 .rev = ADRENO_REV(3, 2, ANY_ID, ANY_ID), 79 .revn = 320, 80 .name = "A320", 81 .fw = { 82 [ADRENO_FW_PM4] = "a300_pm4.fw", 83 [ADRENO_FW_PFP] = "a300_pfp.fw", 84 }, 85 .gmem = SZ_512K, 86 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 87 .init = a3xx_gpu_init, 88 }, { 89 .rev = ADRENO_REV(3, 3, 0, ANY_ID), 90 .revn = 330, 91 .name = "A330", 92 .fw = { 93 [ADRENO_FW_PM4] = "a330_pm4.fw", 94 [ADRENO_FW_PFP] = "a330_pfp.fw", 95 }, 96 .gmem = SZ_1M, 97 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 98 .init = a3xx_gpu_init, 99 }, { 100 .rev = ADRENO_REV(4, 0, 5, ANY_ID), 101 .revn = 405, 102 .name = "A405", 103 .fw = { 104 [ADRENO_FW_PM4] = "a420_pm4.fw", 105 [ADRENO_FW_PFP] = "a420_pfp.fw", 106 }, 107 .gmem = SZ_256K, 108 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 109 .init = a4xx_gpu_init, 110 }, { 111 .rev = ADRENO_REV(4, 2, 0, ANY_ID), 112 .revn = 420, 113 .name = "A420", 114 .fw = { 115 [ADRENO_FW_PM4] = "a420_pm4.fw", 116 [ADRENO_FW_PFP] = "a420_pfp.fw", 117 }, 118 .gmem = (SZ_1M + SZ_512K), 119 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 120 .init = a4xx_gpu_init, 121 }, { 122 .rev = ADRENO_REV(4, 3, 0, ANY_ID), 123 .revn = 430, 124 .name = "A430", 125 .fw = { 126 [ADRENO_FW_PM4] = "a420_pm4.fw", 127 [ADRENO_FW_PFP] = "a420_pfp.fw", 128 }, 129 .gmem = (SZ_1M + SZ_512K), 130 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 131 .init = a4xx_gpu_init, 132 }, { 133 .rev = ADRENO_REV(5, 1, 0, ANY_ID), 134 .revn = 510, 135 .name = "A510", 136 .fw = { 137 [ADRENO_FW_PM4] = "a530_pm4.fw", 138 [ADRENO_FW_PFP] = "a530_pfp.fw", 139 }, 140 .gmem = SZ_256K, 141 /* 142 * Increase inactive period to 250 to avoid bouncing 143 * the GDSC which appears to make it grumpy 144 */ 145 .inactive_period = 250, 146 .init = a5xx_gpu_init, 147 }, { 148 .rev = ADRENO_REV(5, 3, 0, 2), 149 .revn = 530, 150 .name = "A530", 151 .fw = { 152 [ADRENO_FW_PM4] = "a530_pm4.fw", 153 [ADRENO_FW_PFP] = "a530_pfp.fw", 154 [ADRENO_FW_GPMU] = "a530v3_gpmu.fw2", 155 }, 156 .gmem = SZ_1M, 157 /* 158 * Increase inactive period to 250 to avoid bouncing 159 * the GDSC which appears to make it grumpy 160 */ 161 .inactive_period = 250, 162 .quirks = ADRENO_QUIRK_TWO_PASS_USE_WFI | 163 ADRENO_QUIRK_FAULT_DETECT_MASK, 164 .init = a5xx_gpu_init, 165 .zapfw = "a530_zap.mdt", 166 }, { 167 .rev = ADRENO_REV(5, 4, 0, 2), 168 .revn = 540, 169 .name = "A540", 170 .fw = { 171 [ADRENO_FW_PM4] = "a530_pm4.fw", 172 [ADRENO_FW_PFP] = "a530_pfp.fw", 173 [ADRENO_FW_GPMU] = "a540_gpmu.fw2", 174 }, 175 .gmem = SZ_1M, 176 /* 177 * Increase inactive period to 250 to avoid bouncing 178 * the GDSC which appears to make it grumpy 179 */ 180 .inactive_period = 250, 181 .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE, 182 .init = a5xx_gpu_init, 183 .zapfw = "a540_zap.mdt", 184 }, { 185 .rev = ADRENO_REV(6, 1, 8, ANY_ID), 186 .revn = 618, 187 .name = "A618", 188 .fw = { 189 [ADRENO_FW_SQE] = "a630_sqe.fw", 190 [ADRENO_FW_GMU] = "a630_gmu.bin", 191 }, 192 .gmem = SZ_512K, 193 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 194 .init = a6xx_gpu_init, 195 }, { 196 .rev = ADRENO_REV(6, 3, 0, ANY_ID), 197 .revn = 630, 198 .name = "A630", 199 .fw = { 200 [ADRENO_FW_SQE] = "a630_sqe.fw", 201 [ADRENO_FW_GMU] = "a630_gmu.bin", 202 }, 203 .gmem = SZ_1M, 204 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 205 .init = a6xx_gpu_init, 206 .zapfw = "a630_zap.mdt", 207 .hwcg = a630_hwcg, 208 }, { 209 .rev = ADRENO_REV(6, 4, 0, ANY_ID), 210 .revn = 640, 211 .name = "A640", 212 .fw = { 213 [ADRENO_FW_SQE] = "a630_sqe.fw", 214 [ADRENO_FW_GMU] = "a640_gmu.bin", 215 }, 216 .gmem = SZ_1M, 217 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 218 .init = a6xx_gpu_init, 219 .zapfw = "a640_zap.mdt", 220 .hwcg = a640_hwcg, 221 }, { 222 .rev = ADRENO_REV(6, 5, 0, ANY_ID), 223 .revn = 650, 224 .name = "A650", 225 .fw = { 226 [ADRENO_FW_SQE] = "a650_sqe.fw", 227 [ADRENO_FW_GMU] = "a650_gmu.bin", 228 }, 229 .gmem = SZ_1M + SZ_128K, 230 .inactive_period = DRM_MSM_INACTIVE_PERIOD, 231 .init = a6xx_gpu_init, 232 .zapfw = "a650_zap.mdt", 233 .hwcg = a650_hwcg, 234 }, 235 }; 236 237 MODULE_FIRMWARE("qcom/a300_pm4.fw"); 238 MODULE_FIRMWARE("qcom/a300_pfp.fw"); 239 MODULE_FIRMWARE("qcom/a330_pm4.fw"); 240 MODULE_FIRMWARE("qcom/a330_pfp.fw"); 241 MODULE_FIRMWARE("qcom/a420_pm4.fw"); 242 MODULE_FIRMWARE("qcom/a420_pfp.fw"); 243 MODULE_FIRMWARE("qcom/a530_pm4.fw"); 244 MODULE_FIRMWARE("qcom/a530_pfp.fw"); 245 MODULE_FIRMWARE("qcom/a530v3_gpmu.fw2"); 246 MODULE_FIRMWARE("qcom/a530_zap.mdt"); 247 MODULE_FIRMWARE("qcom/a530_zap.b00"); 248 MODULE_FIRMWARE("qcom/a530_zap.b01"); 249 MODULE_FIRMWARE("qcom/a530_zap.b02"); 250 MODULE_FIRMWARE("qcom/a630_sqe.fw"); 251 MODULE_FIRMWARE("qcom/a630_gmu.bin"); 252 MODULE_FIRMWARE("qcom/a630_zap.mbn"); 253 254 static inline bool _rev_match(uint8_t entry, uint8_t id) 255 { 256 return (entry == ANY_ID) || (entry == id); 257 } 258 259 const struct adreno_info *adreno_info(struct adreno_rev rev) 260 { 261 int i; 262 263 /* identify gpu: */ 264 for (i = 0; i < ARRAY_SIZE(gpulist); i++) { 265 const struct adreno_info *info = &gpulist[i]; 266 if (_rev_match(info->rev.core, rev.core) && 267 _rev_match(info->rev.major, rev.major) && 268 _rev_match(info->rev.minor, rev.minor) && 269 _rev_match(info->rev.patchid, rev.patchid)) 270 return info; 271 } 272 273 return NULL; 274 } 275 276 struct msm_gpu *adreno_load_gpu(struct drm_device *dev) 277 { 278 struct msm_drm_private *priv = dev->dev_private; 279 struct platform_device *pdev = priv->gpu_pdev; 280 struct msm_gpu *gpu = NULL; 281 struct adreno_gpu *adreno_gpu; 282 int ret; 283 284 if (pdev) 285 gpu = dev_to_gpu(&pdev->dev); 286 287 if (!gpu) { 288 dev_err_once(dev->dev, "no GPU device was found\n"); 289 return NULL; 290 } 291 292 adreno_gpu = to_adreno_gpu(gpu); 293 294 /* 295 * The number one reason for HW init to fail is if the firmware isn't 296 * loaded yet. Try that first and don't bother continuing on 297 * otherwise 298 */ 299 300 ret = adreno_load_fw(adreno_gpu); 301 if (ret) 302 return NULL; 303 304 /* Make sure pm runtime is active and reset any previous errors */ 305 pm_runtime_set_active(&pdev->dev); 306 307 ret = pm_runtime_get_sync(&pdev->dev); 308 if (ret < 0) { 309 pm_runtime_put_sync(&pdev->dev); 310 DRM_DEV_ERROR(dev->dev, "Couldn't power up the GPU: %d\n", ret); 311 return NULL; 312 } 313 314 mutex_lock(&dev->struct_mutex); 315 ret = msm_gpu_hw_init(gpu); 316 mutex_unlock(&dev->struct_mutex); 317 pm_runtime_put_autosuspend(&pdev->dev); 318 if (ret) { 319 DRM_DEV_ERROR(dev->dev, "gpu hw init failed: %d\n", ret); 320 return NULL; 321 } 322 323 #ifdef CONFIG_DEBUG_FS 324 if (gpu->funcs->debugfs_init) { 325 gpu->funcs->debugfs_init(gpu, dev->primary); 326 gpu->funcs->debugfs_init(gpu, dev->render); 327 } 328 #endif 329 330 return gpu; 331 } 332 333 static void set_gpu_pdev(struct drm_device *dev, 334 struct platform_device *pdev) 335 { 336 struct msm_drm_private *priv = dev->dev_private; 337 priv->gpu_pdev = pdev; 338 } 339 340 static int find_chipid(struct device *dev, struct adreno_rev *rev) 341 { 342 struct device_node *node = dev->of_node; 343 const char *compat; 344 int ret; 345 u32 chipid; 346 347 /* first search the compat strings for qcom,adreno-XYZ.W: */ 348 ret = of_property_read_string_index(node, "compatible", 0, &compat); 349 if (ret == 0) { 350 unsigned int r, patch; 351 352 if (sscanf(compat, "qcom,adreno-%u.%u", &r, &patch) == 2 || 353 sscanf(compat, "amd,imageon-%u.%u", &r, &patch) == 2) { 354 rev->core = r / 100; 355 r %= 100; 356 rev->major = r / 10; 357 r %= 10; 358 rev->minor = r; 359 rev->patchid = patch; 360 361 return 0; 362 } 363 } 364 365 /* and if that fails, fall back to legacy "qcom,chipid" property: */ 366 ret = of_property_read_u32(node, "qcom,chipid", &chipid); 367 if (ret) { 368 DRM_DEV_ERROR(dev, "could not parse qcom,chipid: %d\n", ret); 369 return ret; 370 } 371 372 rev->core = (chipid >> 24) & 0xff; 373 rev->major = (chipid >> 16) & 0xff; 374 rev->minor = (chipid >> 8) & 0xff; 375 rev->patchid = (chipid & 0xff); 376 377 dev_warn(dev, "Using legacy qcom,chipid binding!\n"); 378 dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n", 379 rev->core, rev->major, rev->minor, rev->patchid); 380 381 return 0; 382 } 383 384 static int adreno_bind(struct device *dev, struct device *master, void *data) 385 { 386 static struct adreno_platform_config config = {}; 387 const struct adreno_info *info; 388 struct drm_device *drm = dev_get_drvdata(master); 389 struct msm_drm_private *priv = drm->dev_private; 390 struct msm_gpu *gpu; 391 int ret; 392 393 ret = find_chipid(dev, &config.rev); 394 if (ret) 395 return ret; 396 397 dev->platform_data = &config; 398 set_gpu_pdev(drm, to_platform_device(dev)); 399 400 info = adreno_info(config.rev); 401 402 if (!info) { 403 dev_warn(drm->dev, "Unknown GPU revision: %u.%u.%u.%u\n", 404 config.rev.core, config.rev.major, 405 config.rev.minor, config.rev.patchid); 406 return -ENXIO; 407 } 408 409 DBG("Found GPU: %u.%u.%u.%u", config.rev.core, config.rev.major, 410 config.rev.minor, config.rev.patchid); 411 412 priv->is_a2xx = config.rev.core == 2; 413 414 gpu = info->init(drm); 415 if (IS_ERR(gpu)) { 416 dev_warn(drm->dev, "failed to load adreno gpu\n"); 417 return PTR_ERR(gpu); 418 } 419 420 return 0; 421 } 422 423 static void adreno_unbind(struct device *dev, struct device *master, 424 void *data) 425 { 426 struct msm_gpu *gpu = dev_to_gpu(dev); 427 428 pm_runtime_force_suspend(dev); 429 gpu->funcs->destroy(gpu); 430 431 set_gpu_pdev(dev_get_drvdata(master), NULL); 432 } 433 434 static const struct component_ops a3xx_ops = { 435 .bind = adreno_bind, 436 .unbind = adreno_unbind, 437 }; 438 439 static void adreno_device_register_headless(void) 440 { 441 /* on imx5, we don't have a top-level mdp/dpu node 442 * this creates a dummy node for the driver for that case 443 */ 444 struct platform_device_info dummy_info = { 445 .parent = NULL, 446 .name = "msm", 447 .id = -1, 448 .res = NULL, 449 .num_res = 0, 450 .data = NULL, 451 .size_data = 0, 452 .dma_mask = ~0, 453 }; 454 platform_device_register_full(&dummy_info); 455 } 456 457 static int adreno_probe(struct platform_device *pdev) 458 { 459 460 int ret; 461 462 ret = component_add(&pdev->dev, &a3xx_ops); 463 if (ret) 464 return ret; 465 466 if (of_device_is_compatible(pdev->dev.of_node, "amd,imageon")) 467 adreno_device_register_headless(); 468 469 return 0; 470 } 471 472 static int adreno_remove(struct platform_device *pdev) 473 { 474 component_del(&pdev->dev, &a3xx_ops); 475 return 0; 476 } 477 478 static const struct of_device_id dt_match[] = { 479 { .compatible = "qcom,adreno" }, 480 { .compatible = "qcom,adreno-3xx" }, 481 /* for compatibility with imx5 gpu: */ 482 { .compatible = "amd,imageon" }, 483 /* for backwards compat w/ downstream kgsl DT files: */ 484 { .compatible = "qcom,kgsl-3d0" }, 485 {} 486 }; 487 488 #ifdef CONFIG_PM 489 static int adreno_resume(struct device *dev) 490 { 491 struct msm_gpu *gpu = dev_to_gpu(dev); 492 493 return gpu->funcs->pm_resume(gpu); 494 } 495 496 static int adreno_suspend(struct device *dev) 497 { 498 struct msm_gpu *gpu = dev_to_gpu(dev); 499 500 return gpu->funcs->pm_suspend(gpu); 501 } 502 #endif 503 504 static const struct dev_pm_ops adreno_pm_ops = { 505 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume) 506 SET_RUNTIME_PM_OPS(adreno_suspend, adreno_resume, NULL) 507 }; 508 509 static struct platform_driver adreno_driver = { 510 .probe = adreno_probe, 511 .remove = adreno_remove, 512 .driver = { 513 .name = "adreno", 514 .of_match_table = dt_match, 515 .pm = &adreno_pm_ops, 516 }, 517 }; 518 519 void __init adreno_register(void) 520 { 521 platform_driver_register(&adreno_driver); 522 } 523 524 void __exit adreno_unregister(void) 525 { 526 platform_driver_unregister(&adreno_driver); 527 } 528