drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c

   1 /*
   2  * Copyright 2021 Advanced Micro Devices, Inc.
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 #include <linux/firmware.h>
  24 #include <linux/pci.h>
  25
  26 #include <drm/drm_cache.h>
  27
  28 #include "amdgpu.h"
  29 #include "amdgpu_atomfirmware.h"
  30 #include "gmc_v11_0.h"
  31 #include "umc_v8_10.h"
  32 #include "athub/athub_3_0_0_sh_mask.h"
  33 #include "athub/athub_3_0_0_offset.h"
  34 #include "dcn/dcn_3_2_0_offset.h"
  35 #include "dcn/dcn_3_2_0_sh_mask.h"
  36 #include "oss/osssys_6_0_0_offset.h"
  37 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
  38 #include "navi10_enum.h"
  39 #include "soc15.h"
  40 #include "soc15d.h"
  41 #include "soc15_common.h"
  42 #include "nbio_v4_3.h"
  43 #include "gfxhub_v3_0.h"
  44 #include "gfxhub_v3_0_3.h"
  45 #include "mmhub_v3_0.h"
  46 #include "mmhub_v3_0_1.h"
  47 #include "mmhub_v3_0_2.h"
  48 #include "athub_v3_0.h"
  49
  50
  51 static int gmc_v11_0_ecc_interrupt_state(struct amdgpu_device *adev,
  52                                          struct amdgpu_irq_src *src,
  53                                          unsigned type,
  54                                          enum amdgpu_interrupt_state state)
  55 {
  56         return 0;
  57 }
  58
  59 static int
  60 gmc_v11_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
  61                                    struct amdgpu_irq_src *src, unsigned type,
  62                                    enum amdgpu_interrupt_state state)
  63 {
  64         switch (state) {
  65         case AMDGPU_IRQ_STATE_DISABLE:
  66                 /* MM HUB */
  67                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), false);
  68                 /* GFX HUB */
  69                 /* This works because this interrupt is only
  70                  * enabled at init/resume and disabled in
  71                  * fini/suspend, so the overall state doesn't
  72                  * change over the course of suspend/resume.
  73                  */
  74                 if (!adev->in_s0ix)
  75                         amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), false);
  76                 break;
  77         case AMDGPU_IRQ_STATE_ENABLE:
  78                 /* MM HUB */
  79                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), true);
  80                 /* GFX HUB */
  81                 /* This works because this interrupt is only
  82                  * enabled at init/resume and disabled in
  83                  * fini/suspend, so the overall state doesn't
  84                  * change over the course of suspend/resume.
  85                  */
  86                 if (!adev->in_s0ix)
  87                         amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), true);
  88                 break;
  89         default:
  90                 break;
  91         }
  92
  93         return 0;
  94 }
  95
  96 static int gmc_v11_0_process_interrupt(struct amdgpu_device *adev,
  97                                        struct amdgpu_irq_src *source,
  98                                        struct amdgpu_iv_entry *entry)
  99 {
 100         struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src];
 101         uint32_t status = 0;
 102         u64 addr;
 103
 104         addr = (u64)entry->src_data[0] << 12;
 105         addr |= ((u64)entry->src_data[1] & 0xf) << 44;
 106
 107         if (!amdgpu_sriov_vf(adev)) {
 108                 /*
 109                  * Issue a dummy read to wait for the status register to
 110                  * be updated to avoid reading an incorrect value due to
 111                  * the new fast GRBM interface.
 112                  */
 113                 if (entry->vmid_src == AMDGPU_GFXHUB(0))
 114                         RREG32(hub->vm_l2_pro_fault_status);
 115
 116                 status = RREG32(hub->vm_l2_pro_fault_status);
 117                 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
 118         }
 119
 120         if (printk_ratelimit()) {
 121                 struct amdgpu_task_info task_info;
 122
 123                 memset(&task_info, 0, sizeof(struct amdgpu_task_info));
 124                 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
 125
 126                 dev_err(adev->dev,
 127                         "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u, "
 128                         "for process %s pid %d thread %s pid %d)\n",
 129                         entry->vmid_src ? "mmhub" : "gfxhub",
 130                         entry->src_id, entry->ring_id, entry->vmid,
 131                         entry->pasid, task_info.process_name, task_info.tgid,
 132                         task_info.task_name, task_info.pid);
 133                 dev_err(adev->dev, "  in page starting at address 0x%016llx from client %d\n",
 134                         addr, entry->client_id);
 135                 if (!amdgpu_sriov_vf(adev))
 136                         hub->vmhub_funcs->print_l2_protection_fault_status(adev, status);
 137         }
 138
 139         return 0;
 140 }
 141
 142 static const struct amdgpu_irq_src_funcs gmc_v11_0_irq_funcs = {
 143         .set = gmc_v11_0_vm_fault_interrupt_state,
 144         .process = gmc_v11_0_process_interrupt,
 145 };
 146
 147 static const struct amdgpu_irq_src_funcs gmc_v11_0_ecc_funcs = {
 148         .set = gmc_v11_0_ecc_interrupt_state,
 149         .process = amdgpu_umc_process_ecc_irq,
 150 };
 151
 152 static void gmc_v11_0_set_irq_funcs(struct amdgpu_device *adev)
 153 {
 154         adev->gmc.vm_fault.num_types = 1;
 155         adev->gmc.vm_fault.funcs = &gmc_v11_0_irq_funcs;
 156
 157         if (!amdgpu_sriov_vf(adev)) {
 158                 adev->gmc.ecc_irq.num_types = 1;
 159                 adev->gmc.ecc_irq.funcs = &gmc_v11_0_ecc_funcs;
 160         }
 161 }
 162
 163 /**
 164  * gmc_v11_0_use_invalidate_semaphore - judge whether to use semaphore
 165  *
 166  * @adev: amdgpu_device pointer
 167  * @vmhub: vmhub type
 168  *
 169  */
 170 static bool gmc_v11_0_use_invalidate_semaphore(struct amdgpu_device *adev,
 171                                        uint32_t vmhub)
 172 {
 173         return ((vmhub == AMDGPU_MMHUB0(0)) &&
 174                 (!amdgpu_sriov_vf(adev)));
 175 }
 176
 177 static bool gmc_v11_0_get_vmid_pasid_mapping_info(
 178                                         struct amdgpu_device *adev,
 179                                         uint8_t vmid, uint16_t *p_pasid)
 180 {
 181         *p_pasid = RREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid) & 0xffff;
 182
 183         return !!(*p_pasid);
 184 }
 185
 186 /*
 187  * GART
 188  * VMID 0 is the physical GPU addresses as used by the kernel.
 189  * VMIDs 1-15 are used for userspace clients and are handled
 190  * by the amdgpu vm/hsa code.
 191  */
 192
 193 static void gmc_v11_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid,
 194                                    unsigned int vmhub, uint32_t flush_type)
 195 {
 196         bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(adev, vmhub);
 197         struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
 198         u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
 199         u32 tmp;
 200         /* Use register 17 for GART */
 201         const unsigned eng = 17;
 202         unsigned int i;
 203         unsigned char hub_ip = 0;
 204
 205         hub_ip = (vmhub == AMDGPU_GFXHUB(0)) ?
 206                    GC_HWIP : MMHUB_HWIP;
 207
 208         spin_lock(&adev->gmc.invalidate_lock);
 209         /*
 210          * It may lose gpuvm invalidate acknowldege state across power-gating
 211          * off cycle, add semaphore acquire before invalidation and semaphore
 212          * release after invalidation to avoid entering power gated state
 213          * to WA the Issue
 214          */
 215
 216         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 217         if (use_semaphore) {
 218                 for (i = 0; i < adev->usec_timeout; i++) {
 219                         /* a read return value of 1 means semaphore acuqire */
 220                         tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem +
 221                                             hub->eng_distance * eng, hub_ip);
 222                         if (tmp & 0x1)
 223                                 break;
 224                         udelay(1);
 225                 }
 226
 227                 if (i >= adev->usec_timeout)
 228                         DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
 229         }
 230
 231         WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req, hub_ip);
 232
 233         /* Wait for ACK with a delay.*/
 234         for (i = 0; i < adev->usec_timeout; i++) {
 235                 tmp = RREG32_RLC_NO_KIQ(hub->vm_inv_eng0_ack +
 236                                     hub->eng_distance * eng, hub_ip);
 237                 tmp &= 1 << vmid;
 238                 if (tmp)
 239                         break;
 240
 241                 udelay(1);
 242         }
 243
 244         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 245         if (use_semaphore)
 246                 /*
 247                  * add semaphore release after invalidation,
 248                  * write with 0 means semaphore release
 249                  */
 250                 WREG32_RLC_NO_KIQ(hub->vm_inv_eng0_sem +
 251                               hub->eng_distance * eng, 0, hub_ip);
 252
 253         /* Issue additional private vm invalidation to MMHUB */
 254         if ((vmhub != AMDGPU_GFXHUB(0)) &&
 255             (hub->vm_l2_bank_select_reserved_cid2) &&
 256                 !amdgpu_sriov_vf(adev)) {
 257                 inv_req = RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2);
 258                 /* bit 25: RSERVED_CACHE_PRIVATE_INVALIDATION */
 259                 inv_req |= (1 << 25);
 260                 /* Issue private invalidation */
 261                 WREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2, inv_req);
 262                 /* Read back to ensure invalidation is done*/
 263                 RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2);
 264         }
 265
 266         spin_unlock(&adev->gmc.invalidate_lock);
 267
 268         if (i < adev->usec_timeout)
 269                 return;
 270
 271         DRM_ERROR("Timeout waiting for VM flush ACK!\n");
 272 }
 273
 274 /**
 275  * gmc_v11_0_flush_gpu_tlb - gart tlb flush callback
 276  *
 277  * @adev: amdgpu_device pointer
 278  * @vmid: vm instance to flush
 279  * @vmhub: which hub to flush
 280  * @flush_type: the flush type
 281  *
 282  * Flush the TLB for the requested page table.
 283  */
 284 static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 285                                         uint32_t vmhub, uint32_t flush_type)
 286 {
 287         if ((vmhub == AMDGPU_GFXHUB(0)) && !adev->gfx.is_poweron)
 288                 return;
 289
 290         /* flush hdp cache */
 291         adev->hdp.funcs->flush_hdp(adev, NULL);
 292
 293         /* For SRIOV run time, driver shouldn't access the register through MMIO
 294          * Directly use kiq to do the vm invalidation instead
 295          */
 296         if ((adev->gfx.kiq[0].ring.sched.ready || adev->mes.ring.sched.ready) &&
 297             (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) {
 298                 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
 299                 const unsigned eng = 17;
 300                 u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
 301                 u32 req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
 302                 u32 ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
 303
 304                 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
 305                                 1 << vmid);
 306                 return;
 307         }
 308
 309         mutex_lock(&adev->mman.gtt_window_lock);
 310         gmc_v11_0_flush_vm_hub(adev, vmid, vmhub, 0);
 311         mutex_unlock(&adev->mman.gtt_window_lock);
 312         return;
 313 }
 314
 315 /**
 316  * gmc_v11_0_flush_gpu_tlb_pasid - tlb flush via pasid
 317  *
 318  * @adev: amdgpu_device pointer
 319  * @pasid: pasid to be flush
 320  * @flush_type: the flush type
 321  * @all_hub: flush all hubs
 322  * @inst: is used to select which instance of KIQ to use for the invalidation
 323  *
 324  * Flush the TLB for the requested pasid.
 325  */
 326 static int gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 327                                         uint16_t pasid, uint32_t flush_type,
 328                                         bool all_hub, uint32_t inst)
 329 {
 330         int vmid, i;
 331         signed long r;
 332         uint32_t seq;
 333         uint16_t queried_pasid;
 334         bool ret;
 335         struct amdgpu_ring *ring = &adev->gfx.kiq[0].ring;
 336         struct amdgpu_kiq *kiq = &adev->gfx.kiq[0];
 337
 338         if (amdgpu_emu_mode == 0 && ring->sched.ready) {
 339                 spin_lock(&adev->gfx.kiq[0].ring_lock);
 340                 /* 2 dwords flush + 8 dwords fence */
 341                 amdgpu_ring_alloc(ring, kiq->pmf->invalidate_tlbs_size + 8);
 342                 kiq->pmf->kiq_invalidate_tlbs(ring,
 343                                         pasid, flush_type, all_hub);
 344                 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
 345                 if (r) {
 346                         amdgpu_ring_undo(ring);
 347                         spin_unlock(&adev->gfx.kiq[0].ring_lock);
 348                         return -ETIME;
 349                 }
 350
 351                 amdgpu_ring_commit(ring);
 352                 spin_unlock(&adev->gfx.kiq[0].ring_lock);
 353                 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
 354                 if (r < 1) {
 355                         dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r);
 356                         return -ETIME;
 357                 }
 358
 359                 return 0;
 360         }
 361
 362         for (vmid = 1; vmid < 16; vmid++) {
 363
 364                 ret = gmc_v11_0_get_vmid_pasid_mapping_info(adev, vmid,
 365                                 &queried_pasid);
 366                 if (ret && queried_pasid == pasid) {
 367                         if (all_hub) {
 368                                 for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS)
 369                                         gmc_v11_0_flush_gpu_tlb(adev, vmid,
 370                                                         i, flush_type);
 371                         } else {
 372                                 gmc_v11_0_flush_gpu_tlb(adev, vmid,
 373                                                 AMDGPU_GFXHUB(0), flush_type);
 374                         }
 375                 }
 376         }
 377
 378         return 0;
 379 }
 380
 381 static uint64_t gmc_v11_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
 382                                              unsigned vmid, uint64_t pd_addr)
 383 {
 384         bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(ring->adev, ring->vm_hub);
 385         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
 386         uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0);
 387         unsigned eng = ring->vm_inv_eng;
 388
 389         /*
 390          * It may lose gpuvm invalidate acknowldege state across power-gating
 391          * off cycle, add semaphore acquire before invalidation and semaphore
 392          * release after invalidation to avoid entering power gated state
 393          * to WA the Issue
 394          */
 395
 396         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 397         if (use_semaphore)
 398                 /* a read return value of 1 means semaphore acuqire */
 399                 amdgpu_ring_emit_reg_wait(ring,
 400                                           hub->vm_inv_eng0_sem +
 401                                           hub->eng_distance * eng, 0x1, 0x1);
 402
 403         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
 404                               (hub->ctx_addr_distance * vmid),
 405                               lower_32_bits(pd_addr));
 406
 407         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
 408                               (hub->ctx_addr_distance * vmid),
 409                               upper_32_bits(pd_addr));
 410
 411         amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
 412                                             hub->eng_distance * eng,
 413                                             hub->vm_inv_eng0_ack +
 414                                             hub->eng_distance * eng,
 415                                             req, 1 << vmid);
 416
 417         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 418         if (use_semaphore)
 419                 /*
 420                  * add semaphore release after invalidation,
 421                  * write with 0 means semaphore release
 422                  */
 423                 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
 424                                       hub->eng_distance * eng, 0);
 425
 426         return pd_addr;
 427 }
 428
 429 static void gmc_v11_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
 430                                          unsigned pasid)
 431 {
 432         struct amdgpu_device *adev = ring->adev;
 433         uint32_t reg;
 434
 435         /* MES fw manages IH_VMID_x_LUT updating */
 436         if (ring->is_mes_queue)
 437                 return;
 438
 439         if (ring->vm_hub == AMDGPU_GFXHUB(0))
 440                 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid;
 441         else
 442                 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT_MM) + vmid;
 443
 444         amdgpu_ring_emit_wreg(ring, reg, pasid);
 445 }
 446
 447 /*
 448  * PTE format:
 449  * 63:59 reserved
 450  * 58:57 reserved
 451  * 56 F
 452  * 55 L
 453  * 54 reserved
 454  * 53:52 SW
 455  * 51 T
 456  * 50:48 mtype
 457  * 47:12 4k physical page base address
 458  * 11:7 fragment
 459  * 6 write
 460  * 5 read
 461  * 4 exe
 462  * 3 Z
 463  * 2 snooped
 464  * 1 system
 465  * 0 valid
 466  *
 467  * PDE format:
 468  * 63:59 block fragment size
 469  * 58:55 reserved
 470  * 54 P
 471  * 53:48 reserved
 472  * 47:6 physical base address of PD or PTE
 473  * 5:3 reserved
 474  * 2 C
 475  * 1 system
 476  * 0 valid
 477  */
 478
 479 static uint64_t gmc_v11_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
 480 {
 481         switch (flags) {
 482         case AMDGPU_VM_MTYPE_DEFAULT:
 483                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 484         case AMDGPU_VM_MTYPE_NC:
 485                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 486         case AMDGPU_VM_MTYPE_WC:
 487                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC);
 488         case AMDGPU_VM_MTYPE_CC:
 489                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC);
 490         case AMDGPU_VM_MTYPE_UC:
 491                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
 492         default:
 493                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 494         }
 495 }
 496
 497 static void gmc_v11_0_get_vm_pde(struct amdgpu_device *adev, int level,
 498                                  uint64_t *addr, uint64_t *flags)
 499 {
 500         if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
 501                 *addr = adev->vm_manager.vram_base_offset + *addr -
 502                         adev->gmc.vram_start;
 503         BUG_ON(*addr & 0xFFFF00000000003FULL);
 504
 505         if (!adev->gmc.translate_further)
 506                 return;
 507
 508         if (level == AMDGPU_VM_PDB1) {
 509                 /* Set the block fragment size */
 510                 if (!(*flags & AMDGPU_PDE_PTE))
 511                         *flags |= AMDGPU_PDE_BFS(0x9);
 512
 513         } else if (level == AMDGPU_VM_PDB0) {
 514                 if (*flags & AMDGPU_PDE_PTE)
 515                         *flags &= ~AMDGPU_PDE_PTE;
 516                 else
 517                         *flags |= AMDGPU_PTE_TF;
 518         }
 519 }
 520
 521 static void gmc_v11_0_get_vm_pte(struct amdgpu_device *adev,
 522                                  struct amdgpu_bo_va_mapping *mapping,
 523                                  uint64_t *flags)
 524 {
 525         struct amdgpu_bo *bo = mapping->bo_va->base.bo;
 526
 527         *flags &= ~AMDGPU_PTE_EXECUTABLE;
 528         *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
 529
 530         *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK;
 531         *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK);
 532
 533         *flags &= ~AMDGPU_PTE_NOALLOC;
 534         *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC);
 535
 536         if (mapping->flags & AMDGPU_PTE_PRT) {
 537                 *flags |= AMDGPU_PTE_PRT;
 538                 *flags |= AMDGPU_PTE_SNOOPED;
 539                 *flags |= AMDGPU_PTE_LOG;
 540                 *flags |= AMDGPU_PTE_SYSTEM;
 541                 *flags &= ~AMDGPU_PTE_VALID;
 542         }
 543
 544         if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT |
 545                                AMDGPU_GEM_CREATE_UNCACHED))
 546                 *flags = (*flags & ~AMDGPU_PTE_MTYPE_NV10_MASK) |
 547                          AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
 548 }
 549
 550 static unsigned gmc_v11_0_get_vbios_fb_size(struct amdgpu_device *adev)
 551 {
 552         u32 d1vga_control = RREG32_SOC15(DCE, 0, regD1VGA_CONTROL);
 553         unsigned size;
 554
 555         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
 556                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
 557         } else {
 558                 u32 viewport;
 559                 u32 pitch;
 560
 561                 viewport = RREG32_SOC15(DCE, 0, regHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
 562                 pitch = RREG32_SOC15(DCE, 0, regHUBPREQ0_DCSURF_SURFACE_PITCH);
 563                 size = (REG_GET_FIELD(viewport,
 564                                         HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
 565                                 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
 566                                 4);
 567         }
 568
 569         return size;
 570 }
 571
 572 static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = {
 573         .flush_gpu_tlb = gmc_v11_0_flush_gpu_tlb,
 574         .flush_gpu_tlb_pasid = gmc_v11_0_flush_gpu_tlb_pasid,
 575         .emit_flush_gpu_tlb = gmc_v11_0_emit_flush_gpu_tlb,
 576         .emit_pasid_mapping = gmc_v11_0_emit_pasid_mapping,
 577         .map_mtype = gmc_v11_0_map_mtype,
 578         .get_vm_pde = gmc_v11_0_get_vm_pde,
 579         .get_vm_pte = gmc_v11_0_get_vm_pte,
 580         .get_vbios_fb_size = gmc_v11_0_get_vbios_fb_size,
 581 };
 582
 583 static void gmc_v11_0_set_gmc_funcs(struct amdgpu_device *adev)
 584 {
 585         adev->gmc.gmc_funcs = &gmc_v11_0_gmc_funcs;
 586 }
 587
 588 static void gmc_v11_0_set_umc_funcs(struct amdgpu_device *adev)
 589 {
 590         switch (adev->ip_versions[UMC_HWIP][0]) {
 591         case IP_VERSION(8, 10, 0):
 592                 adev->umc.channel_inst_num = UMC_V8_10_CHANNEL_INSTANCE_NUM;
 593                 adev->umc.umc_inst_num = UMC_V8_10_UMC_INSTANCE_NUM;
 594                 adev->umc.max_ras_err_cnt_per_query = UMC_V8_10_TOTAL_CHANNEL_NUM(adev);
 595                 adev->umc.channel_offs = UMC_V8_10_PER_CHANNEL_OFFSET;
 596                 adev->umc.retire_unit = UMC_V8_10_NA_COL_2BITS_POWER_OF_2_NUM;
 597                 if (adev->umc.node_inst_num == 4)
 598                         adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl_ext0[0][0][0];
 599                 else
 600                         adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl[0][0][0];
 601                 adev->umc.ras = &umc_v8_10_ras;
 602                 break;
 603         case IP_VERSION(8, 11, 0):
 604                 break;
 605         default:
 606                 break;
 607         }
 608 }
 609
 610
 611 static void gmc_v11_0_set_mmhub_funcs(struct amdgpu_device *adev)
 612 {
 613         switch (adev->ip_versions[MMHUB_HWIP][0]) {
 614         case IP_VERSION(3, 0, 1):
 615                 adev->mmhub.funcs = &mmhub_v3_0_1_funcs;
 616                 break;
 617         case IP_VERSION(3, 0, 2):
 618                 adev->mmhub.funcs = &mmhub_v3_0_2_funcs;
 619                 break;
 620         default:
 621                 adev->mmhub.funcs = &mmhub_v3_0_funcs;
 622                 break;
 623         }
 624 }
 625
 626 static void gmc_v11_0_set_gfxhub_funcs(struct amdgpu_device *adev)
 627 {
 628         switch (adev->ip_versions[GC_HWIP][0]) {
 629         case IP_VERSION(11, 0, 3):
 630                 adev->gfxhub.funcs = &gfxhub_v3_0_3_funcs;
 631                 break;
 632         default:
 633                 adev->gfxhub.funcs = &gfxhub_v3_0_funcs;
 634                 break;
 635         }
 636 }
 637
 638 static int gmc_v11_0_early_init(void *handle)
 639 {
 640         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 641
 642         gmc_v11_0_set_gfxhub_funcs(adev);
 643         gmc_v11_0_set_mmhub_funcs(adev);
 644         gmc_v11_0_set_gmc_funcs(adev);
 645         gmc_v11_0_set_irq_funcs(adev);
 646         gmc_v11_0_set_umc_funcs(adev);
 647
 648         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
 649         adev->gmc.shared_aperture_end =
 650                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
 651         adev->gmc.private_aperture_start = 0x1000000000000000ULL;
 652         adev->gmc.private_aperture_end =
 653                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
 654
 655         return 0;
 656 }
 657
 658 static int gmc_v11_0_late_init(void *handle)
 659 {
 660         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 661         int r;
 662
 663         r = amdgpu_gmc_allocate_vm_inv_eng(adev);
 664         if (r)
 665                 return r;
 666
 667         r = amdgpu_gmc_ras_late_init(adev);
 668         if (r)
 669                 return r;
 670
 671         return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
 672 }
 673
 674 static void gmc_v11_0_vram_gtt_location(struct amdgpu_device *adev,
 675                                         struct amdgpu_gmc *mc)
 676 {
 677         u64 base = 0;
 678
 679         base = adev->mmhub.funcs->get_fb_location(adev);
 680
 681         amdgpu_gmc_vram_location(adev, &adev->gmc, base);
 682         amdgpu_gmc_gart_location(adev, mc);
 683         amdgpu_gmc_agp_location(adev, mc);
 684
 685         /* base offset of vram pages */
 686         if (amdgpu_sriov_vf(adev))
 687                 adev->vm_manager.vram_base_offset = 0;
 688         else
 689                 adev->vm_manager.vram_base_offset = adev->mmhub.funcs->get_mc_fb_offset(adev);
 690 }
 691
 692 /**
 693  * gmc_v11_0_mc_init - initialize the memory controller driver params
 694  *
 695  * @adev: amdgpu_device pointer
 696  *
 697  * Look up the amount of vram, vram width, and decide how to place
 698  * vram and gart within the GPU's physical address space.
 699  * Returns 0 for success.
 700  */
 701 static int gmc_v11_0_mc_init(struct amdgpu_device *adev)
 702 {
 703         int r;
 704
 705         /* size in MB on si */
 706         adev->gmc.mc_vram_size =
 707                 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
 708         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
 709
 710         if (!(adev->flags & AMD_IS_APU)) {
 711                 r = amdgpu_device_resize_fb_bar(adev);
 712                 if (r)
 713                         return r;
 714         }
 715         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
 716         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
 717
 718 #ifdef CONFIG_X86_64
 719         if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
 720                 adev->gmc.aper_base = adev->mmhub.funcs->get_mc_fb_offset(adev);
 721                 adev->gmc.aper_size = adev->gmc.real_vram_size;
 722         }
 723 #endif
 724         /* In case the PCI BAR is larger than the actual amount of vram */
 725         adev->gmc.visible_vram_size = adev->gmc.aper_size;
 726         if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
 727                 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
 728
 729         /* set the gart size */
 730         if (amdgpu_gart_size == -1) {
 731                 adev->gmc.gart_size = 512ULL << 20;
 732         } else
 733                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
 734
 735         gmc_v11_0_vram_gtt_location(adev, &adev->gmc);
 736
 737         return 0;
 738 }
 739
 740 static int gmc_v11_0_gart_init(struct amdgpu_device *adev)
 741 {
 742         int r;
 743
 744         if (adev->gart.bo) {
 745                 WARN(1, "PCIE GART already initialized\n");
 746                 return 0;
 747         }
 748
 749         /* Initialize common gart structure */
 750         r = amdgpu_gart_init(adev);
 751         if (r)
 752                 return r;
 753
 754         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
 755         adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) |
 756                                  AMDGPU_PTE_EXECUTABLE;
 757
 758         return amdgpu_gart_table_vram_alloc(adev);
 759 }
 760
 761 static int gmc_v11_0_sw_init(void *handle)
 762 {
 763         int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
 764         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 765
 766         adev->mmhub.funcs->init(adev);
 767
 768         spin_lock_init(&adev->gmc.invalidate_lock);
 769
 770         r = amdgpu_atomfirmware_get_vram_info(adev,
 771                                               &vram_width, &vram_type, &vram_vendor);
 772         adev->gmc.vram_width = vram_width;
 773
 774         adev->gmc.vram_type = vram_type;
 775         adev->gmc.vram_vendor = vram_vendor;
 776
 777         switch (adev->ip_versions[GC_HWIP][0]) {
 778         case IP_VERSION(11, 0, 0):
 779         case IP_VERSION(11, 0, 1):
 780         case IP_VERSION(11, 0, 2):
 781         case IP_VERSION(11, 0, 3):
 782         case IP_VERSION(11, 0, 4):
 783                 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
 784                 set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
 785                 /*
 786                  * To fulfill 4-level page support,
 787                  * vm size is 256TB (48bit), maximum size,
 788                  * block size 512 (9bit)
 789                  */
 790                 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
 791                 break;
 792         default:
 793                 break;
 794         }
 795
 796         /* This interrupt is VMC page fault.*/
 797         r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VMC,
 798                               VMC_1_0__SRCID__VM_FAULT,
 799                               &adev->gmc.vm_fault);
 800
 801         if (r)
 802                 return r;
 803
 804         r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GFX,
 805                               UTCL2_1_0__SRCID__FAULT,
 806                               &adev->gmc.vm_fault);
 807         if (r)
 808                 return r;
 809
 810         if (!amdgpu_sriov_vf(adev)) {
 811                 /* interrupt sent to DF. */
 812                 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_DF, 0,
 813                                       &adev->gmc.ecc_irq);
 814                 if (r)
 815                         return r;
 816         }
 817
 818         /*
 819          * Set the internal MC address mask This is the max address of the GPU's
 820          * internal address space.
 821          */
 822         adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
 823
 824         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
 825         if (r) {
 826                 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
 827                 return r;
 828         }
 829
 830         adev->need_swiotlb = drm_need_swiotlb(44);
 831
 832         r = gmc_v11_0_mc_init(adev);
 833         if (r)
 834                 return r;
 835
 836         amdgpu_gmc_get_vbios_allocations(adev);
 837
 838         /* Memory manager */
 839         r = amdgpu_bo_init(adev);
 840         if (r)
 841                 return r;
 842
 843         r = gmc_v11_0_gart_init(adev);
 844         if (r)
 845                 return r;
 846
 847         /*
 848          * number of VMs
 849          * VMID 0 is reserved for System
 850          * amdgpu graphics/compute will use VMIDs 1-7
 851          * amdkfd will use VMIDs 8-15
 852          */
 853         adev->vm_manager.first_kfd_vmid = 8;
 854
 855         amdgpu_vm_manager_init(adev);
 856
 857         r = amdgpu_gmc_ras_sw_init(adev);
 858         if (r)
 859                 return r;
 860
 861         return 0;
 862 }
 863
 864 /**
 865  * gmc_v11_0_gart_fini - vm fini callback
 866  *
 867  * @adev: amdgpu_device pointer
 868  *
 869  * Tears down the driver GART/VM setup (CIK).
 870  */
 871 static void gmc_v11_0_gart_fini(struct amdgpu_device *adev)
 872 {
 873         amdgpu_gart_table_vram_free(adev);
 874 }
 875
 876 static int gmc_v11_0_sw_fini(void *handle)
 877 {
 878         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 879
 880         amdgpu_vm_manager_fini(adev);
 881         gmc_v11_0_gart_fini(adev);
 882         amdgpu_gem_force_release(adev);
 883         amdgpu_bo_fini(adev);
 884
 885         return 0;
 886 }
 887
 888 static void gmc_v11_0_init_golden_registers(struct amdgpu_device *adev)
 889 {
 890         if (amdgpu_sriov_vf(adev)) {
 891                 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
 892
 893                 WREG32(hub->vm_contexts_disable, 0);
 894                 return;
 895         }
 896 }
 897
 898 /**
 899  * gmc_v11_0_gart_enable - gart enable
 900  *
 901  * @adev: amdgpu_device pointer
 902  */
 903 static int gmc_v11_0_gart_enable(struct amdgpu_device *adev)
 904 {
 905         int r;
 906         bool value;
 907
 908         if (adev->gart.bo == NULL) {
 909                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
 910                 return -EINVAL;
 911         }
 912
 913         amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
 914
 915         r = adev->mmhub.funcs->gart_enable(adev);
 916         if (r)
 917                 return r;
 918
 919         /* Flush HDP after it is initialized */
 920         adev->hdp.funcs->flush_hdp(adev, NULL);
 921
 922         value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
 923                 false : true;
 924
 925         adev->mmhub.funcs->set_fault_enable_default(adev, value);
 926         gmc_v11_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB0(0), 0);
 927
 928         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 929                  (unsigned)(adev->gmc.gart_size >> 20),
 930                  (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
 931
 932         return 0;
 933 }
 934
 935 static int gmc_v11_0_hw_init(void *handle)
 936 {
 937         int r;
 938         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 939
 940         /* The sequence of these two function calls matters.*/
 941         gmc_v11_0_init_golden_registers(adev);
 942
 943         r = gmc_v11_0_gart_enable(adev);
 944         if (r)
 945                 return r;
 946
 947         if (adev->umc.funcs && adev->umc.funcs->init_registers)
 948                 adev->umc.funcs->init_registers(adev);
 949
 950         return 0;
 951 }
 952
 953 /**
 954  * gmc_v11_0_gart_disable - gart disable
 955  *
 956  * @adev: amdgpu_device pointer
 957  *
 958  * This disables all VM page table.
 959  */
 960 static void gmc_v11_0_gart_disable(struct amdgpu_device *adev)
 961 {
 962         adev->mmhub.funcs->gart_disable(adev);
 963 }
 964
 965 static int gmc_v11_0_hw_fini(void *handle)
 966 {
 967         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 968
 969         if (amdgpu_sriov_vf(adev)) {
 970                 /* full access mode, so don't touch any GMC register */
 971                 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
 972                 return 0;
 973         }
 974
 975         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
 976         gmc_v11_0_gart_disable(adev);
 977
 978         return 0;
 979 }
 980
 981 static int gmc_v11_0_suspend(void *handle)
 982 {
 983         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 984
 985         gmc_v11_0_hw_fini(adev);
 986
 987         return 0;
 988 }
 989
 990 static int gmc_v11_0_resume(void *handle)
 991 {
 992         int r;
 993         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 994
 995         r = gmc_v11_0_hw_init(adev);
 996         if (r)
 997                 return r;
 998
 999         amdgpu_vmid_reset_all(adev);
1000
1001         return 0;
1002 }
1003
1004 static bool gmc_v11_0_is_idle(void *handle)
1005 {
1006         /* MC is always ready in GMC v11.*/
1007         return true;
1008 }
1009
1010 static int gmc_v11_0_wait_for_idle(void *handle)
1011 {
1012         /* There is no need to wait for MC idle in GMC v11.*/
1013         return 0;
1014 }
1015
1016 static int gmc_v11_0_soft_reset(void *handle)
1017 {
1018         return 0;
1019 }
1020
1021 static int gmc_v11_0_set_clockgating_state(void *handle,
1022                                            enum amd_clockgating_state state)
1023 {
1024         int r;
1025         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1026
1027         r = adev->mmhub.funcs->set_clockgating(adev, state);
1028         if (r)
1029                 return r;
1030
1031         return athub_v3_0_set_clockgating(adev, state);
1032 }
1033
1034 static void gmc_v11_0_get_clockgating_state(void *handle, u64 *flags)
1035 {
1036         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1037
1038         adev->mmhub.funcs->get_clockgating(adev, flags);
1039
1040         athub_v3_0_get_clockgating(adev, flags);
1041 }
1042
1043 static int gmc_v11_0_set_powergating_state(void *handle,
1044                                            enum amd_powergating_state state)
1045 {
1046         return 0;
1047 }
1048
1049 const struct amd_ip_funcs gmc_v11_0_ip_funcs = {
1050         .name = "gmc_v11_0",
1051         .early_init = gmc_v11_0_early_init,
1052         .sw_init = gmc_v11_0_sw_init,
1053         .hw_init = gmc_v11_0_hw_init,
1054         .late_init = gmc_v11_0_late_init,
1055         .sw_fini = gmc_v11_0_sw_fini,
1056         .hw_fini = gmc_v11_0_hw_fini,
1057         .suspend = gmc_v11_0_suspend,
1058         .resume = gmc_v11_0_resume,
1059         .is_idle = gmc_v11_0_is_idle,
1060         .wait_for_idle = gmc_v11_0_wait_for_idle,
1061         .soft_reset = gmc_v11_0_soft_reset,
1062         .set_clockgating_state = gmc_v11_0_set_clockgating_state,
1063         .set_powergating_state = gmc_v11_0_set_powergating_state,
1064         .get_clockgating_state = gmc_v11_0_get_clockgating_state,
1065 };
1066
1067 const struct amdgpu_ip_block_version gmc_v11_0_ip_block = {
1068         .type = AMD_IP_BLOCK_TYPE_GMC,
1069         .major = 11,
1070         .minor = 0,
1071         .rev = 0,
1072         .funcs = &gmc_v11_0_ip_funcs,
1073 };