linux/drivers/gpu/drm/msm/adreno/adreno_device.c
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   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
  13bool hang_debug = false;
  14MODULE_PARM_DESC(hang_debug, "Dump registers when hang is detected (can be slow!)");
  15module_param_named(hang_debug, hang_debug, bool, 0600);
  16
  17bool snapshot_debugbus = false;
  18MODULE_PARM_DESC(snapshot_debugbus, "Include debugbus sections in GPU devcoredump (if not fused off)");
  19module_param_named(snapshot_debugbus, snapshot_debugbus, bool, 0600);
  20
  21bool allow_vram_carveout = false;
  22MODULE_PARM_DESC(allow_vram_carveout, "Allow using VRAM Carveout, in place of IOMMU");
  23module_param_named(allow_vram_carveout, allow_vram_carveout, bool, 0600);
  24
  25static const struct adreno_info gpulist[] = {
  26        {
  27                .rev   = ADRENO_REV(2, 0, 0, 0),
  28                .revn  = 200,
  29                .name  = "A200",
  30                .fw = {
  31                        [ADRENO_FW_PM4] = "yamato_pm4.fw",
  32                        [ADRENO_FW_PFP] = "yamato_pfp.fw",
  33                },
  34                .gmem  = SZ_256K,
  35                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
  36                .init  = a2xx_gpu_init,
  37        }, { /* a200 on i.mx51 has only 128kib gmem */
  38                .rev   = ADRENO_REV(2, 0, 0, 1),
  39                .revn  = 201,
  40                .name  = "A200",
  41                .fw = {
  42                        [ADRENO_FW_PM4] = "yamato_pm4.fw",
  43                        [ADRENO_FW_PFP] = "yamato_pfp.fw",
  44                },
  45                .gmem  = SZ_128K,
  46                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
  47                .init  = a2xx_gpu_init,
  48        }, {
  49                .rev   = ADRENO_REV(2, 2, 0, ANY_ID),
  50                .revn  = 220,
  51                .name  = "A220",
  52                .fw = {
  53                        [ADRENO_FW_PM4] = "leia_pm4_470.fw",
  54                        [ADRENO_FW_PFP] = "leia_pfp_470.fw",
  55                },
  56                .gmem  = SZ_512K,
  57                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
  58                .init  = a2xx_gpu_init,
  59        }, {
  60                .rev   = ADRENO_REV(3, 0, 5, ANY_ID),
  61                .revn  = 305,
  62                .name  = "A305",
  63                .fw = {
  64                        [ADRENO_FW_PM4] = "a300_pm4.fw",
  65                        [ADRENO_FW_PFP] = "a300_pfp.fw",
  66                },
  67                .gmem  = SZ_256K,
  68                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
  69                .init  = a3xx_gpu_init,
  70        }, {
  71                .rev   = ADRENO_REV(3, 0, 6, 0),
  72                .revn  = 307,        /* because a305c is revn==306 */
  73                .name  = "A306",
  74                .fw = {
  75                        [ADRENO_FW_PM4] = "a300_pm4.fw",
  76                        [ADRENO_FW_PFP] = "a300_pfp.fw",
  77                },
  78                .gmem  = SZ_128K,
  79                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
  80                .init  = a3xx_gpu_init,
  81        }, {
  82                .rev   = ADRENO_REV(3, 2, ANY_ID, ANY_ID),
  83                .revn  = 320,
  84                .name  = "A320",
  85                .fw = {
  86                        [ADRENO_FW_PM4] = "a300_pm4.fw",
  87                        [ADRENO_FW_PFP] = "a300_pfp.fw",
  88                },
  89                .gmem  = SZ_512K,
  90                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
  91                .init  = a3xx_gpu_init,
  92        }, {
  93                .rev   = ADRENO_REV(3, 3, 0, ANY_ID),
  94                .revn  = 330,
  95                .name  = "A330",
  96                .fw = {
  97                        [ADRENO_FW_PM4] = "a330_pm4.fw",
  98                        [ADRENO_FW_PFP] = "a330_pfp.fw",
  99                },
 100                .gmem  = SZ_1M,
 101                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 102                .init  = a3xx_gpu_init,
 103        }, {
 104                .rev   = ADRENO_REV(4, 0, 5, ANY_ID),
 105                .revn  = 405,
 106                .name  = "A405",
 107                .fw = {
 108                        [ADRENO_FW_PM4] = "a420_pm4.fw",
 109                        [ADRENO_FW_PFP] = "a420_pfp.fw",
 110                },
 111                .gmem  = SZ_256K,
 112                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 113                .init  = a4xx_gpu_init,
 114        }, {
 115                .rev   = ADRENO_REV(4, 2, 0, ANY_ID),
 116                .revn  = 420,
 117                .name  = "A420",
 118                .fw = {
 119                        [ADRENO_FW_PM4] = "a420_pm4.fw",
 120                        [ADRENO_FW_PFP] = "a420_pfp.fw",
 121                },
 122                .gmem  = (SZ_1M + SZ_512K),
 123                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 124                .init  = a4xx_gpu_init,
 125        }, {
 126                .rev   = ADRENO_REV(4, 3, 0, ANY_ID),
 127                .revn  = 430,
 128                .name  = "A430",
 129                .fw = {
 130                        [ADRENO_FW_PM4] = "a420_pm4.fw",
 131                        [ADRENO_FW_PFP] = "a420_pfp.fw",
 132                },
 133                .gmem  = (SZ_1M + SZ_512K),
 134                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 135                .init  = a4xx_gpu_init,
 136        }, {
 137                .rev   = ADRENO_REV(5, 0, 8, ANY_ID),
 138                .revn = 508,
 139                .name = "A508",
 140                .fw = {
 141                        [ADRENO_FW_PM4] = "a530_pm4.fw",
 142                        [ADRENO_FW_PFP] = "a530_pfp.fw",
 143                },
 144                .gmem = (SZ_128K + SZ_8K),
 145                /*
 146                 * Increase inactive period to 250 to avoid bouncing
 147                 * the GDSC which appears to make it grumpy
 148                 */
 149                .inactive_period = 250,
 150                .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE,
 151                .init = a5xx_gpu_init,
 152                .zapfw = "a508_zap.mdt",
 153        }, {
 154                .rev   = ADRENO_REV(5, 0, 9, ANY_ID),
 155                .revn = 509,
 156                .name = "A509",
 157                .fw = {
 158                        [ADRENO_FW_PM4] = "a530_pm4.fw",
 159                        [ADRENO_FW_PFP] = "a530_pfp.fw",
 160                },
 161                .gmem = (SZ_256K + SZ_16K),
 162                /*
 163                 * Increase inactive period to 250 to avoid bouncing
 164                 * the GDSC which appears to make it grumpy
 165                 */
 166                .inactive_period = 250,
 167                .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE,
 168                .init = a5xx_gpu_init,
 169                /* Adreno 509 uses the same ZAP as 512 */
 170                .zapfw = "a512_zap.mdt",
 171        }, {
 172                .rev   = ADRENO_REV(5, 1, 0, ANY_ID),
 173                .revn = 510,
 174                .name = "A510",
 175                .fw = {
 176                        [ADRENO_FW_PM4] = "a530_pm4.fw",
 177                        [ADRENO_FW_PFP] = "a530_pfp.fw",
 178                },
 179                .gmem = SZ_256K,
 180                /*
 181                 * Increase inactive period to 250 to avoid bouncing
 182                 * the GDSC which appears to make it grumpy
 183                 */
 184                .inactive_period = 250,
 185                .init = a5xx_gpu_init,
 186        }, {
 187                .rev   = ADRENO_REV(5, 1, 2, ANY_ID),
 188                .revn = 512,
 189                .name = "A512",
 190                .fw = {
 191                        [ADRENO_FW_PM4] = "a530_pm4.fw",
 192                        [ADRENO_FW_PFP] = "a530_pfp.fw",
 193                },
 194                .gmem = (SZ_256K + SZ_16K),
 195                /*
 196                 * Increase inactive period to 250 to avoid bouncing
 197                 * the GDSC which appears to make it grumpy
 198                 */
 199                .inactive_period = 250,
 200                .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE,
 201                .init = a5xx_gpu_init,
 202                .zapfw = "a512_zap.mdt",
 203        }, {
 204                .rev = ADRENO_REV(5, 3, 0, 2),
 205                .revn = 530,
 206                .name = "A530",
 207                .fw = {
 208                        [ADRENO_FW_PM4] = "a530_pm4.fw",
 209                        [ADRENO_FW_PFP] = "a530_pfp.fw",
 210                        [ADRENO_FW_GPMU] = "a530v3_gpmu.fw2",
 211                },
 212                .gmem = SZ_1M,
 213                /*
 214                 * Increase inactive period to 250 to avoid bouncing
 215                 * the GDSC which appears to make it grumpy
 216                 */
 217                .inactive_period = 250,
 218                .quirks = ADRENO_QUIRK_TWO_PASS_USE_WFI |
 219                        ADRENO_QUIRK_FAULT_DETECT_MASK,
 220                .init = a5xx_gpu_init,
 221                .zapfw = "a530_zap.mdt",
 222        }, {
 223                .rev = ADRENO_REV(5, 4, 0, ANY_ID),
 224                .revn = 540,
 225                .name = "A540",
 226                .fw = {
 227                        [ADRENO_FW_PM4] = "a530_pm4.fw",
 228                        [ADRENO_FW_PFP] = "a530_pfp.fw",
 229                        [ADRENO_FW_GPMU] = "a540_gpmu.fw2",
 230                },
 231                .gmem = SZ_1M,
 232                /*
 233                 * Increase inactive period to 250 to avoid bouncing
 234                 * the GDSC which appears to make it grumpy
 235                 */
 236                .inactive_period = 250,
 237                .quirks = ADRENO_QUIRK_LMLOADKILL_DISABLE,
 238                .init = a5xx_gpu_init,
 239                .zapfw = "a540_zap.mdt",
 240        }, {
 241                .rev = ADRENO_REV(6, 1, 8, ANY_ID),
 242                .revn = 618,
 243                .name = "A618",
 244                .fw = {
 245                        [ADRENO_FW_SQE] = "a630_sqe.fw",
 246                        [ADRENO_FW_GMU] = "a630_gmu.bin",
 247                },
 248                .gmem = SZ_512K,
 249                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 250                .init = a6xx_gpu_init,
 251        }, {
 252                .rev = ADRENO_REV(6, 3, 0, ANY_ID),
 253                .revn = 630,
 254                .name = "A630",
 255                .fw = {
 256                        [ADRENO_FW_SQE] = "a630_sqe.fw",
 257                        [ADRENO_FW_GMU] = "a630_gmu.bin",
 258                },
 259                .gmem = SZ_1M,
 260                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 261                .init = a6xx_gpu_init,
 262                .zapfw = "a630_zap.mdt",
 263                .hwcg = a630_hwcg,
 264        }, {
 265                .rev = ADRENO_REV(6, 4, 0, ANY_ID),
 266                .revn = 640,
 267                .name = "A640",
 268                .fw = {
 269                        [ADRENO_FW_SQE] = "a630_sqe.fw",
 270                        [ADRENO_FW_GMU] = "a640_gmu.bin",
 271                },
 272                .gmem = SZ_1M,
 273                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 274                .init = a6xx_gpu_init,
 275                .zapfw = "a640_zap.mdt",
 276                .hwcg = a640_hwcg,
 277        }, {
 278                .rev = ADRENO_REV(6, 5, 0, ANY_ID),
 279                .revn = 650,
 280                .name = "A650",
 281                .fw = {
 282                        [ADRENO_FW_SQE] = "a650_sqe.fw",
 283                        [ADRENO_FW_GMU] = "a650_gmu.bin",
 284                },
 285                .gmem = SZ_1M + SZ_128K,
 286                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 287                .init = a6xx_gpu_init,
 288                .zapfw = "a650_zap.mdt",
 289                .hwcg = a650_hwcg,
 290        }, {
 291                .rev = ADRENO_REV(6, 6, 0, ANY_ID),
 292                .revn = 660,
 293                .name = "A660",
 294                .fw = {
 295                        [ADRENO_FW_SQE] = "a660_sqe.fw",
 296                        [ADRENO_FW_GMU] = "a660_gmu.bin",
 297                },
 298                .gmem = SZ_1M + SZ_512K,
 299                .inactive_period = DRM_MSM_INACTIVE_PERIOD,
 300                .init = a6xx_gpu_init,
 301                .zapfw = "a660_zap.mdt",
 302                .hwcg = a660_hwcg,
 303        },
 304};
 305
 306MODULE_FIRMWARE("qcom/a300_pm4.fw");
 307MODULE_FIRMWARE("qcom/a300_pfp.fw");
 308MODULE_FIRMWARE("qcom/a330_pm4.fw");
 309MODULE_FIRMWARE("qcom/a330_pfp.fw");
 310MODULE_FIRMWARE("qcom/a420_pm4.fw");
 311MODULE_FIRMWARE("qcom/a420_pfp.fw");
 312MODULE_FIRMWARE("qcom/a530_pm4.fw");
 313MODULE_FIRMWARE("qcom/a530_pfp.fw");
 314MODULE_FIRMWARE("qcom/a530v3_gpmu.fw2");
 315MODULE_FIRMWARE("qcom/a530_zap.mdt");
 316MODULE_FIRMWARE("qcom/a530_zap.b00");
 317MODULE_FIRMWARE("qcom/a530_zap.b01");
 318MODULE_FIRMWARE("qcom/a530_zap.b02");
 319MODULE_FIRMWARE("qcom/a630_sqe.fw");
 320MODULE_FIRMWARE("qcom/a630_gmu.bin");
 321MODULE_FIRMWARE("qcom/a630_zap.mbn");
 322
 323static inline bool _rev_match(uint8_t entry, uint8_t id)
 324{
 325        return (entry == ANY_ID) || (entry == id);
 326}
 327
 328const struct adreno_info *adreno_info(struct adreno_rev rev)
 329{
 330        int i;
 331
 332        /* identify gpu: */
 333        for (i = 0; i < ARRAY_SIZE(gpulist); i++) {
 334                const struct adreno_info *info = &gpulist[i];
 335                if (_rev_match(info->rev.core, rev.core) &&
 336                                _rev_match(info->rev.major, rev.major) &&
 337                                _rev_match(info->rev.minor, rev.minor) &&
 338                                _rev_match(info->rev.patchid, rev.patchid))
 339                        return info;
 340        }
 341
 342        return NULL;
 343}
 344
 345struct msm_gpu *adreno_load_gpu(struct drm_device *dev)
 346{
 347        struct msm_drm_private *priv = dev->dev_private;
 348        struct platform_device *pdev = priv->gpu_pdev;
 349        struct msm_gpu *gpu = NULL;
 350        struct adreno_gpu *adreno_gpu;
 351        int ret;
 352
 353        if (pdev)
 354                gpu = dev_to_gpu(&pdev->dev);
 355
 356        if (!gpu) {
 357                dev_err_once(dev->dev, "no GPU device was found\n");
 358                return NULL;
 359        }
 360
 361        adreno_gpu = to_adreno_gpu(gpu);
 362
 363        /*
 364         * The number one reason for HW init to fail is if the firmware isn't
 365         * loaded yet. Try that first and don't bother continuing on
 366         * otherwise
 367         */
 368
 369        ret = adreno_load_fw(adreno_gpu);
 370        if (ret)
 371                return NULL;
 372
 373        /* Make sure pm runtime is active and reset any previous errors */
 374        pm_runtime_set_active(&pdev->dev);
 375
 376        ret = pm_runtime_get_sync(&pdev->dev);
 377        if (ret < 0) {
 378                pm_runtime_put_sync(&pdev->dev);
 379                DRM_DEV_ERROR(dev->dev, "Couldn't power up the GPU: %d\n", ret);
 380                return NULL;
 381        }
 382
 383        mutex_lock(&dev->struct_mutex);
 384        ret = msm_gpu_hw_init(gpu);
 385        mutex_unlock(&dev->struct_mutex);
 386        pm_runtime_put_autosuspend(&pdev->dev);
 387        if (ret) {
 388                DRM_DEV_ERROR(dev->dev, "gpu hw init failed: %d\n", ret);
 389                return NULL;
 390        }
 391
 392#ifdef CONFIG_DEBUG_FS
 393        if (gpu->funcs->debugfs_init) {
 394                gpu->funcs->debugfs_init(gpu, dev->primary);
 395                gpu->funcs->debugfs_init(gpu, dev->render);
 396        }
 397#endif
 398
 399        return gpu;
 400}
 401
 402static void set_gpu_pdev(struct drm_device *dev,
 403                struct platform_device *pdev)
 404{
 405        struct msm_drm_private *priv = dev->dev_private;
 406        priv->gpu_pdev = pdev;
 407}
 408
 409static int find_chipid(struct device *dev, struct adreno_rev *rev)
 410{
 411        struct device_node *node = dev->of_node;
 412        const char *compat;
 413        int ret;
 414        u32 chipid;
 415
 416        /* first search the compat strings for qcom,adreno-XYZ.W: */
 417        ret = of_property_read_string_index(node, "compatible", 0, &compat);
 418        if (ret == 0) {
 419                unsigned int r, patch;
 420
 421                if (sscanf(compat, "qcom,adreno-%u.%u", &r, &patch) == 2 ||
 422                    sscanf(compat, "amd,imageon-%u.%u", &r, &patch) == 2) {
 423                        rev->core = r / 100;
 424                        r %= 100;
 425                        rev->major = r / 10;
 426                        r %= 10;
 427                        rev->minor = r;
 428                        rev->patchid = patch;
 429
 430                        return 0;
 431                }
 432        }
 433
 434        /* and if that fails, fall back to legacy "qcom,chipid" property: */
 435        ret = of_property_read_u32(node, "qcom,chipid", &chipid);
 436        if (ret) {
 437                DRM_DEV_ERROR(dev, "could not parse qcom,chipid: %d\n", ret);
 438                return ret;
 439        }
 440
 441        rev->core = (chipid >> 24) & 0xff;
 442        rev->major = (chipid >> 16) & 0xff;
 443        rev->minor = (chipid >> 8) & 0xff;
 444        rev->patchid = (chipid & 0xff);
 445
 446        dev_warn(dev, "Using legacy qcom,chipid binding!\n");
 447        dev_warn(dev, "Use compatible qcom,adreno-%u%u%u.%u instead.\n",
 448                rev->core, rev->major, rev->minor, rev->patchid);
 449
 450        return 0;
 451}
 452
 453static int adreno_bind(struct device *dev, struct device *master, void *data)
 454{
 455        static struct adreno_platform_config config = {};
 456        const struct adreno_info *info;
 457        struct drm_device *drm = dev_get_drvdata(master);
 458        struct msm_drm_private *priv = drm->dev_private;
 459        struct msm_gpu *gpu;
 460        int ret;
 461
 462        ret = find_chipid(dev, &config.rev);
 463        if (ret)
 464                return ret;
 465
 466        dev->platform_data = &config;
 467        set_gpu_pdev(drm, to_platform_device(dev));
 468
 469        info = adreno_info(config.rev);
 470
 471        if (!info) {
 472                dev_warn(drm->dev, "Unknown GPU revision: %u.%u.%u.%u\n",
 473                        config.rev.core, config.rev.major,
 474                        config.rev.minor, config.rev.patchid);
 475                return -ENXIO;
 476        }
 477
 478        DBG("Found GPU: %u.%u.%u.%u", config.rev.core, config.rev.major,
 479                config.rev.minor, config.rev.patchid);
 480
 481        priv->is_a2xx = config.rev.core == 2;
 482        priv->has_cached_coherent = config.rev.core >= 6;
 483
 484        gpu = info->init(drm);
 485        if (IS_ERR(gpu)) {
 486                dev_warn(drm->dev, "failed to load adreno gpu\n");
 487                return PTR_ERR(gpu);
 488        }
 489
 490        return 0;
 491}
 492
 493static void adreno_unbind(struct device *dev, struct device *master,
 494                void *data)
 495{
 496        struct msm_gpu *gpu = dev_to_gpu(dev);
 497
 498        pm_runtime_force_suspend(dev);
 499        gpu->funcs->destroy(gpu);
 500
 501        set_gpu_pdev(dev_get_drvdata(master), NULL);
 502}
 503
 504static const struct component_ops a3xx_ops = {
 505                .bind   = adreno_bind,
 506                .unbind = adreno_unbind,
 507};
 508
 509static void adreno_device_register_headless(void)
 510{
 511        /* on imx5, we don't have a top-level mdp/dpu node
 512         * this creates a dummy node for the driver for that case
 513         */
 514        struct platform_device_info dummy_info = {
 515                .parent = NULL,
 516                .name = "msm",
 517                .id = -1,
 518                .res = NULL,
 519                .num_res = 0,
 520                .data = NULL,
 521                .size_data = 0,
 522                .dma_mask = ~0,
 523        };
 524        platform_device_register_full(&dummy_info);
 525}
 526
 527static int adreno_probe(struct platform_device *pdev)
 528{
 529
 530        int ret;
 531
 532        ret = component_add(&pdev->dev, &a3xx_ops);
 533        if (ret)
 534                return ret;
 535
 536        if (of_device_is_compatible(pdev->dev.of_node, "amd,imageon"))
 537                adreno_device_register_headless();
 538
 539        return 0;
 540}
 541
 542static int adreno_remove(struct platform_device *pdev)
 543{
 544        component_del(&pdev->dev, &a3xx_ops);
 545        return 0;
 546}
 547
 548static void adreno_shutdown(struct platform_device *pdev)
 549{
 550        pm_runtime_force_suspend(&pdev->dev);
 551}
 552
 553static const struct of_device_id dt_match[] = {
 554        { .compatible = "qcom,adreno" },
 555        { .compatible = "qcom,adreno-3xx" },
 556        /* for compatibility with imx5 gpu: */
 557        { .compatible = "amd,imageon" },
 558        /* for backwards compat w/ downstream kgsl DT files: */
 559        { .compatible = "qcom,kgsl-3d0" },
 560        {}
 561};
 562
 563#ifdef CONFIG_PM
 564static int adreno_resume(struct device *dev)
 565{
 566        struct msm_gpu *gpu = dev_to_gpu(dev);
 567
 568        return gpu->funcs->pm_resume(gpu);
 569}
 570
 571static int adreno_suspend(struct device *dev)
 572{
 573        struct msm_gpu *gpu = dev_to_gpu(dev);
 574
 575        return gpu->funcs->pm_suspend(gpu);
 576}
 577#endif
 578
 579static const struct dev_pm_ops adreno_pm_ops = {
 580        SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, pm_runtime_force_resume)
 581        SET_RUNTIME_PM_OPS(adreno_suspend, adreno_resume, NULL)
 582};
 583
 584static struct platform_driver adreno_driver = {
 585        .probe = adreno_probe,
 586        .remove = adreno_remove,
 587        .shutdown = adreno_shutdown,
 588        .driver = {
 589                .name = "adreno",
 590                .of_match_table = dt_match,
 591                .pm = &adreno_pm_ops,
 592        },
 593};
 594
 595void __init adreno_register(void)
 596{
 597        platform_driver_register(&adreno_driver);
 598}
 599
 600void __exit adreno_unregister(void)
 601{
 602        platform_driver_unregister(&adreno_driver);
 603}
 604