root/drivers/gpu/drm/msm/adreno/adreno_device.c

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DEFINITIONS

This source file includes following definitions.
  1. _rev_match
  2. adreno_load_gpu
  3. set_gpu_pdev
  4. find_chipid
  5. adreno_bind
  6. adreno_unbind
  7. adreno_device_register_headless
  8. adreno_probe
  9. adreno_remove
  10. adreno_resume
  11. adreno_suspend
  12. adreno_register
  13. adreno_unregister

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

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