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 "gfxhub_v11_5_0.h"
  46 #include "mmhub_v3_0.h"
  47 #include "mmhub_v3_0_1.h"
  48 #include "mmhub_v3_0_2.h"
  49 #include "mmhub_v3_3.h"
  50 #include "athub_v3_0.h"
  51
  52
  53 static int gmc_v11_0_ecc_interrupt_state(struct amdgpu_device *adev,
  54                                          struct amdgpu_irq_src *src,
  55                                          unsigned int type,
  56                                          enum amdgpu_interrupt_state state)
  57 {
  58         return 0;
  59 }
  60
  61 static int
  62 gmc_v11_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
  63                                    struct amdgpu_irq_src *src, unsigned int type,
  64                                    enum amdgpu_interrupt_state state)
  65 {
  66         switch (state) {
  67         case AMDGPU_IRQ_STATE_DISABLE:
  68                 /* MM HUB */
  69                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), false);
  70                 /* GFX HUB */
  71                 /* This works because this interrupt is only
  72                  * enabled at init/resume and disabled in
  73                  * fini/suspend, so the overall state doesn't
  74                  * change over the course of suspend/resume.
  75                  */
  76                 if (!adev->in_s0ix && (adev->in_runpm || adev->in_suspend ||
  77                                                            amdgpu_in_reset(adev)))
  78                         amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), false);
  79                 break;
  80         case AMDGPU_IRQ_STATE_ENABLE:
  81                 /* MM HUB */
  82                 amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), true);
  83                 /* GFX HUB */
  84                 /* This works because this interrupt is only
  85                  * enabled at init/resume and disabled in
  86                  * fini/suspend, so the overall state doesn't
  87                  * change over the course of suspend/resume.
  88                  */
  89                 if (!adev->in_s0ix)
  90                         amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), true);
  91                 break;
  92         default:
  93                 break;
  94         }
  95
  96         return 0;
  97 }
  98
  99 static int gmc_v11_0_process_interrupt(struct amdgpu_device *adev,
 100                                        struct amdgpu_irq_src *source,
 101                                        struct amdgpu_iv_entry *entry)
 102 {
 103         uint32_t vmhub_index = entry->client_id == SOC21_IH_CLIENTID_VMC ?
 104                                AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0);
 105         struct amdgpu_vmhub *hub = &adev->vmhub[vmhub_index];
 106         uint32_t status = 0;
 107         u64 addr;
 108
 109         addr = (u64)entry->src_data[0] << 12;
 110         addr |= ((u64)entry->src_data[1] & 0xf) << 44;
 111
 112         if (!amdgpu_sriov_vf(adev)) {
 113                 /*
 114                  * Issue a dummy read to wait for the status register to
 115                  * be updated to avoid reading an incorrect value due to
 116                  * the new fast GRBM interface.
 117                  */
 118                 if (entry->vmid_src == AMDGPU_GFXHUB(0))
 119                         RREG32(hub->vm_l2_pro_fault_status);
 120
 121                 status = RREG32(hub->vm_l2_pro_fault_status);
 122                 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
 123
 124                 amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status,
 125                                              entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0));
 126         }
 127
 128         if (printk_ratelimit()) {
 129                 struct amdgpu_task_info *task_info;
 130
 131                 dev_err(adev->dev,
 132                         "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u)\n",
 133                         entry->vmid_src ? "mmhub" : "gfxhub",
 134                         entry->src_id, entry->ring_id, entry->vmid, entry->pasid);
 135                 task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid);
 136                 if (task_info) {
 137                         dev_err(adev->dev,
 138                                 " in process %s pid %d thread %s pid %d)\n",
 139                                 task_info->process_name, task_info->tgid,
 140                                 task_info->task_name, task_info->pid);
 141                         amdgpu_vm_put_task_info(task_info);
 142                 }
 143
 144                 dev_err(adev->dev, "  in page starting at address 0x%016llx from client %d\n",
 145                                 addr, entry->client_id);
 146
 147                 if (!amdgpu_sriov_vf(adev))
 148                         hub->vmhub_funcs->print_l2_protection_fault_status(adev, status);
 149         }
 150
 151         return 0;
 152 }
 153
 154 static const struct amdgpu_irq_src_funcs gmc_v11_0_irq_funcs = {
 155         .set = gmc_v11_0_vm_fault_interrupt_state,
 156         .process = gmc_v11_0_process_interrupt,
 157 };
 158
 159 static const struct amdgpu_irq_src_funcs gmc_v11_0_ecc_funcs = {
 160         .set = gmc_v11_0_ecc_interrupt_state,
 161         .process = amdgpu_umc_process_ecc_irq,
 162 };
 163
 164 static void gmc_v11_0_set_irq_funcs(struct amdgpu_device *adev)
 165 {
 166         adev->gmc.vm_fault.num_types = 1;
 167         adev->gmc.vm_fault.funcs = &gmc_v11_0_irq_funcs;
 168
 169         if (!amdgpu_sriov_vf(adev)) {
 170                 adev->gmc.ecc_irq.num_types = 1;
 171                 adev->gmc.ecc_irq.funcs = &gmc_v11_0_ecc_funcs;
 172         }
 173 }
 174
 175 /**
 176  * gmc_v11_0_use_invalidate_semaphore - judge whether to use semaphore
 177  *
 178  * @adev: amdgpu_device pointer
 179  * @vmhub: vmhub type
 180  *
 181  */
 182 static bool gmc_v11_0_use_invalidate_semaphore(struct amdgpu_device *adev,
 183                                        uint32_t vmhub)
 184 {
 185         return ((vmhub == AMDGPU_MMHUB0(0)) &&
 186                 (!amdgpu_sriov_vf(adev)));
 187 }
 188
 189 static bool gmc_v11_0_get_vmid_pasid_mapping_info(
 190                                         struct amdgpu_device *adev,
 191                                         uint8_t vmid, uint16_t *p_pasid)
 192 {
 193         *p_pasid = RREG32(SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid) & 0xffff;
 194
 195         return !!(*p_pasid);
 196 }
 197
 198 /**
 199  * gmc_v11_0_flush_gpu_tlb - gart tlb flush callback
 200  *
 201  * @adev: amdgpu_device pointer
 202  * @vmid: vm instance to flush
 203  * @vmhub: which hub to flush
 204  * @flush_type: the flush type
 205  *
 206  * Flush the TLB for the requested page table.
 207  */
 208 static void gmc_v11_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 209                                         uint32_t vmhub, uint32_t flush_type)
 210 {
 211         bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(adev, vmhub);
 212         struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
 213         u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type);
 214         /* Use register 17 for GART */
 215         const unsigned int eng = 17;
 216         unsigned char hub_ip;
 217         u32 sem, req, ack;
 218         unsigned int i;
 219         u32 tmp;
 220
 221         if ((vmhub == AMDGPU_GFXHUB(0)) && !adev->gfx.is_poweron)
 222                 return;
 223
 224         sem = hub->vm_inv_eng0_sem + hub->eng_distance * eng;
 225         req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
 226         ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
 227
 228         /* flush hdp cache */
 229         adev->hdp.funcs->flush_hdp(adev, NULL);
 230
 231         /* This is necessary for SRIOV as well as for GFXOFF to function
 232          * properly under bare metal
 233          */
 234         if ((adev->gfx.kiq[0].ring.sched.ready || adev->mes.ring.sched.ready) &&
 235             (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) {
 236                 amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req,
 237                                                  1 << vmid, GET_INST(GC, 0));
 238                 return;
 239         }
 240
 241         /* This path is needed before KIQ/MES/GFXOFF are set up */
 242         hub_ip = (vmhub == AMDGPU_GFXHUB(0)) ? GC_HWIP : MMHUB_HWIP;
 243
 244         spin_lock(&adev->gmc.invalidate_lock);
 245         /*
 246          * It may lose gpuvm invalidate acknowldege state across power-gating
 247          * off cycle, add semaphore acquire before invalidation and semaphore
 248          * release after invalidation to avoid entering power gated state
 249          * to WA the Issue
 250          */
 251
 252         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 253         if (use_semaphore) {
 254                 for (i = 0; i < adev->usec_timeout; i++) {
 255                         /* a read return value of 1 means semaphore acuqire */
 256                         tmp = RREG32_RLC_NO_KIQ(sem, hub_ip);
 257                         if (tmp & 0x1)
 258                                 break;
 259                         udelay(1);
 260                 }
 261
 262                 if (i >= adev->usec_timeout)
 263                         DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
 264         }
 265
 266         WREG32_RLC_NO_KIQ(req, inv_req, hub_ip);
 267
 268         /* Wait for ACK with a delay.*/
 269         for (i = 0; i < adev->usec_timeout; i++) {
 270                 tmp = RREG32_RLC_NO_KIQ(ack, hub_ip);
 271                 tmp &= 1 << vmid;
 272                 if (tmp)
 273                         break;
 274
 275                 udelay(1);
 276         }
 277
 278         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 279         if (use_semaphore)
 280                 WREG32_RLC_NO_KIQ(sem, 0, hub_ip);
 281
 282         /* Issue additional private vm invalidation to MMHUB */
 283         if ((vmhub != AMDGPU_GFXHUB(0)) &&
 284             (hub->vm_l2_bank_select_reserved_cid2) &&
 285                 !amdgpu_sriov_vf(adev)) {
 286                 inv_req = RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2);
 287                 /* bit 25: RSERVED_CACHE_PRIVATE_INVALIDATION */
 288                 inv_req |= (1 << 25);
 289                 /* Issue private invalidation */
 290                 WREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2, inv_req);
 291                 /* Read back to ensure invalidation is done*/
 292                 RREG32_NO_KIQ(hub->vm_l2_bank_select_reserved_cid2);
 293         }
 294
 295         spin_unlock(&adev->gmc.invalidate_lock);
 296
 297         if (i >= adev->usec_timeout)
 298                 dev_err(adev->dev, "Timeout waiting for VM flush ACK!\n");
 299 }
 300
 301 /**
 302  * gmc_v11_0_flush_gpu_tlb_pasid - tlb flush via pasid
 303  *
 304  * @adev: amdgpu_device pointer
 305  * @pasid: pasid to be flush
 306  * @flush_type: the flush type
 307  * @all_hub: flush all hubs
 308  * @inst: is used to select which instance of KIQ to use for the invalidation
 309  *
 310  * Flush the TLB for the requested pasid.
 311  */
 312 static void gmc_v11_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
 313                                           uint16_t pasid, uint32_t flush_type,
 314                                           bool all_hub, uint32_t inst)
 315 {
 316         uint16_t queried;
 317         int vmid, i;
 318
 319         for (vmid = 1; vmid < 16; vmid++) {
 320                 bool valid;
 321
 322                 valid = gmc_v11_0_get_vmid_pasid_mapping_info(adev, vmid,
 323                                                               &queried);
 324                 if (!valid || queried != pasid)
 325                         continue;
 326
 327                 if (all_hub) {
 328                         for_each_set_bit(i, adev->vmhubs_mask,
 329                                          AMDGPU_MAX_VMHUBS)
 330                                 gmc_v11_0_flush_gpu_tlb(adev, vmid, i,
 331                                                         flush_type);
 332                 } else {
 333                         gmc_v11_0_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0),
 334                                                 flush_type);
 335                 }
 336         }
 337 }
 338
 339 static uint64_t gmc_v11_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
 340                                              unsigned int vmid, uint64_t pd_addr)
 341 {
 342         bool use_semaphore = gmc_v11_0_use_invalidate_semaphore(ring->adev, ring->vm_hub);
 343         struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub];
 344         uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0);
 345         unsigned int eng = ring->vm_inv_eng;
 346
 347         /*
 348          * It may lose gpuvm invalidate acknowldege state across power-gating
 349          * off cycle, add semaphore acquire before invalidation and semaphore
 350          * release after invalidation to avoid entering power gated state
 351          * to WA the Issue
 352          */
 353
 354         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 355         if (use_semaphore)
 356                 /* a read return value of 1 means semaphore acuqire */
 357                 amdgpu_ring_emit_reg_wait(ring,
 358                                           hub->vm_inv_eng0_sem +
 359                                           hub->eng_distance * eng, 0x1, 0x1);
 360
 361         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
 362                               (hub->ctx_addr_distance * vmid),
 363                               lower_32_bits(pd_addr));
 364
 365         amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
 366                               (hub->ctx_addr_distance * vmid),
 367                               upper_32_bits(pd_addr));
 368
 369         amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
 370                                             hub->eng_distance * eng,
 371                                             hub->vm_inv_eng0_ack +
 372                                             hub->eng_distance * eng,
 373                                             req, 1 << vmid);
 374
 375         /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
 376         if (use_semaphore)
 377                 /*
 378                  * add semaphore release after invalidation,
 379                  * write with 0 means semaphore release
 380                  */
 381                 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
 382                                       hub->eng_distance * eng, 0);
 383
 384         return pd_addr;
 385 }
 386
 387 static void gmc_v11_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid,
 388                                          unsigned int pasid)
 389 {
 390         struct amdgpu_device *adev = ring->adev;
 391         uint32_t reg;
 392
 393         /* MES fw manages IH_VMID_x_LUT updating */
 394         if (ring->is_mes_queue)
 395                 return;
 396
 397         if (ring->vm_hub == AMDGPU_GFXHUB(0))
 398                 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT) + vmid;
 399         else
 400                 reg = SOC15_REG_OFFSET(OSSSYS, 0, regIH_VMID_0_LUT_MM) + vmid;
 401
 402         amdgpu_ring_emit_wreg(ring, reg, pasid);
 403 }
 404
 405 /*
 406  * PTE format:
 407  * 63:59 reserved
 408  * 58:57 reserved
 409  * 56 F
 410  * 55 L
 411  * 54 reserved
 412  * 53:52 SW
 413  * 51 T
 414  * 50:48 mtype
 415  * 47:12 4k physical page base address
 416  * 11:7 fragment
 417  * 6 write
 418  * 5 read
 419  * 4 exe
 420  * 3 Z
 421  * 2 snooped
 422  * 1 system
 423  * 0 valid
 424  *
 425  * PDE format:
 426  * 63:59 block fragment size
 427  * 58:55 reserved
 428  * 54 P
 429  * 53:48 reserved
 430  * 47:6 physical base address of PD or PTE
 431  * 5:3 reserved
 432  * 2 C
 433  * 1 system
 434  * 0 valid
 435  */
 436
 437 static uint64_t gmc_v11_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
 438 {
 439         switch (flags) {
 440         case AMDGPU_VM_MTYPE_DEFAULT:
 441                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 442         case AMDGPU_VM_MTYPE_NC:
 443                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 444         case AMDGPU_VM_MTYPE_WC:
 445                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_WC);
 446         case AMDGPU_VM_MTYPE_CC:
 447                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_CC);
 448         case AMDGPU_VM_MTYPE_UC:
 449                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
 450         default:
 451                 return AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
 452         }
 453 }
 454
 455 static void gmc_v11_0_get_vm_pde(struct amdgpu_device *adev, int level,
 456                                  uint64_t *addr, uint64_t *flags)
 457 {
 458         if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
 459                 *addr = amdgpu_gmc_vram_mc2pa(adev, *addr);
 460         BUG_ON(*addr & 0xFFFF00000000003FULL);
 461
 462         if (!adev->gmc.translate_further)
 463                 return;
 464
 465         if (level == AMDGPU_VM_PDB1) {
 466                 /* Set the block fragment size */
 467                 if (!(*flags & AMDGPU_PDE_PTE))
 468                         *flags |= AMDGPU_PDE_BFS(0x9);
 469
 470         } else if (level == AMDGPU_VM_PDB0) {
 471                 if (*flags & AMDGPU_PDE_PTE)
 472                         *flags &= ~AMDGPU_PDE_PTE;
 473                 else
 474                         *flags |= AMDGPU_PTE_TF;
 475         }
 476 }
 477
 478 static void gmc_v11_0_get_vm_pte(struct amdgpu_device *adev,
 479                                  struct amdgpu_bo_va_mapping *mapping,
 480                                  uint64_t *flags)
 481 {
 482         struct amdgpu_bo *bo = mapping->bo_va->base.bo;
 483
 484         *flags &= ~AMDGPU_PTE_EXECUTABLE;
 485         *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
 486
 487         *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK;
 488         *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK);
 489
 490         *flags &= ~AMDGPU_PTE_NOALLOC;
 491         *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC);
 492
 493         if (mapping->flags & AMDGPU_PTE_PRT) {
 494                 *flags |= AMDGPU_PTE_PRT;
 495                 *flags |= AMDGPU_PTE_SNOOPED;
 496                 *flags |= AMDGPU_PTE_LOG;
 497                 *flags |= AMDGPU_PTE_SYSTEM;
 498                 *flags &= ~AMDGPU_PTE_VALID;
 499         }
 500
 501         if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT |
 502                                AMDGPU_GEM_CREATE_EXT_COHERENT |
 503                                AMDGPU_GEM_CREATE_UNCACHED))
 504                 *flags = (*flags & ~AMDGPU_PTE_MTYPE_NV10_MASK) |
 505                          AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
 506 }
 507
 508 static unsigned int gmc_v11_0_get_vbios_fb_size(struct amdgpu_device *adev)
 509 {
 510         u32 d1vga_control = RREG32_SOC15(DCE, 0, regD1VGA_CONTROL);
 511         unsigned int size;
 512
 513         if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
 514                 size = AMDGPU_VBIOS_VGA_ALLOCATION;
 515         } else {
 516                 u32 viewport;
 517                 u32 pitch;
 518
 519                 viewport = RREG32_SOC15(DCE, 0, regHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
 520                 pitch = RREG32_SOC15(DCE, 0, regHUBPREQ0_DCSURF_SURFACE_PITCH);
 521                 size = (REG_GET_FIELD(viewport,
 522                                         HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
 523                                 REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
 524                                 4);
 525         }
 526
 527         return size;
 528 }
 529
 530 static const struct amdgpu_gmc_funcs gmc_v11_0_gmc_funcs = {
 531         .flush_gpu_tlb = gmc_v11_0_flush_gpu_tlb,
 532         .flush_gpu_tlb_pasid = gmc_v11_0_flush_gpu_tlb_pasid,
 533         .emit_flush_gpu_tlb = gmc_v11_0_emit_flush_gpu_tlb,
 534         .emit_pasid_mapping = gmc_v11_0_emit_pasid_mapping,
 535         .map_mtype = gmc_v11_0_map_mtype,
 536         .get_vm_pde = gmc_v11_0_get_vm_pde,
 537         .get_vm_pte = gmc_v11_0_get_vm_pte,
 538         .get_vbios_fb_size = gmc_v11_0_get_vbios_fb_size,
 539 };
 540
 541 static void gmc_v11_0_set_gmc_funcs(struct amdgpu_device *adev)
 542 {
 543         adev->gmc.gmc_funcs = &gmc_v11_0_gmc_funcs;
 544 }
 545
 546 static void gmc_v11_0_set_umc_funcs(struct amdgpu_device *adev)
 547 {
 548         switch (amdgpu_ip_version(adev, UMC_HWIP, 0)) {
 549         case IP_VERSION(8, 10, 0):
 550                 adev->umc.channel_inst_num = UMC_V8_10_CHANNEL_INSTANCE_NUM;
 551                 adev->umc.umc_inst_num = UMC_V8_10_UMC_INSTANCE_NUM;
 552                 adev->umc.max_ras_err_cnt_per_query = UMC_V8_10_TOTAL_CHANNEL_NUM(adev);
 553                 adev->umc.channel_offs = UMC_V8_10_PER_CHANNEL_OFFSET;
 554                 adev->umc.retire_unit = UMC_V8_10_NA_COL_2BITS_POWER_OF_2_NUM;
 555                 if (adev->umc.node_inst_num == 4)
 556                         adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl_ext0[0][0][0];
 557                 else
 558                         adev->umc.channel_idx_tbl = &umc_v8_10_channel_idx_tbl[0][0][0];
 559                 adev->umc.ras = &umc_v8_10_ras;
 560                 break;
 561         case IP_VERSION(8, 11, 0):
 562                 break;
 563         default:
 564                 break;
 565         }
 566 }
 567
 568
 569 static void gmc_v11_0_set_mmhub_funcs(struct amdgpu_device *adev)
 570 {
 571         switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) {
 572         case IP_VERSION(3, 0, 1):
 573                 adev->mmhub.funcs = &mmhub_v3_0_1_funcs;
 574                 break;
 575         case IP_VERSION(3, 0, 2):
 576                 adev->mmhub.funcs = &mmhub_v3_0_2_funcs;
 577                 break;
 578         case IP_VERSION(3, 3, 0):
 579         case IP_VERSION(3, 3, 1):
 580                 adev->mmhub.funcs = &mmhub_v3_3_funcs;
 581                 break;
 582         default:
 583                 adev->mmhub.funcs = &mmhub_v3_0_funcs;
 584                 break;
 585         }
 586 }
 587
 588 static void gmc_v11_0_set_gfxhub_funcs(struct amdgpu_device *adev)
 589 {
 590         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 591         case IP_VERSION(11, 0, 3):
 592                 adev->gfxhub.funcs = &gfxhub_v3_0_3_funcs;
 593                 break;
 594         case IP_VERSION(11, 5, 0):
 595         case IP_VERSION(11, 5, 1):
 596                 adev->gfxhub.funcs = &gfxhub_v11_5_0_funcs;
 597                 break;
 598         default:
 599                 adev->gfxhub.funcs = &gfxhub_v3_0_funcs;
 600                 break;
 601         }
 602 }
 603
 604 static int gmc_v11_0_early_init(void *handle)
 605 {
 606         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 607
 608         gmc_v11_0_set_gfxhub_funcs(adev);
 609         gmc_v11_0_set_mmhub_funcs(adev);
 610         gmc_v11_0_set_gmc_funcs(adev);
 611         gmc_v11_0_set_irq_funcs(adev);
 612         gmc_v11_0_set_umc_funcs(adev);
 613
 614         adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
 615         adev->gmc.shared_aperture_end =
 616                 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
 617         adev->gmc.private_aperture_start = 0x1000000000000000ULL;
 618         adev->gmc.private_aperture_end =
 619                 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
 620         adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF;
 621
 622         return 0;
 623 }
 624
 625 static int gmc_v11_0_late_init(void *handle)
 626 {
 627         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 628         int r;
 629
 630         r = amdgpu_gmc_allocate_vm_inv_eng(adev);
 631         if (r)
 632                 return r;
 633
 634         r = amdgpu_gmc_ras_late_init(adev);
 635         if (r)
 636                 return r;
 637
 638         return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
 639 }
 640
 641 static void gmc_v11_0_vram_gtt_location(struct amdgpu_device *adev,
 642                                         struct amdgpu_gmc *mc)
 643 {
 644         u64 base = 0;
 645
 646         base = adev->mmhub.funcs->get_fb_location(adev);
 647
 648         amdgpu_gmc_set_agp_default(adev, mc);
 649         amdgpu_gmc_vram_location(adev, &adev->gmc, base);
 650         amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_HIGH);
 651         if (!amdgpu_sriov_vf(adev) &&
 652             (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(11, 5, 0)) &&
 653             (amdgpu_agp == 1))
 654                 amdgpu_gmc_agp_location(adev, mc);
 655
 656         /* base offset of vram pages */
 657         if (amdgpu_sriov_vf(adev))
 658                 adev->vm_manager.vram_base_offset = 0;
 659         else
 660                 adev->vm_manager.vram_base_offset = adev->mmhub.funcs->get_mc_fb_offset(adev);
 661 }
 662
 663 /**
 664  * gmc_v11_0_mc_init - initialize the memory controller driver params
 665  *
 666  * @adev: amdgpu_device pointer
 667  *
 668  * Look up the amount of vram, vram width, and decide how to place
 669  * vram and gart within the GPU's physical address space.
 670  * Returns 0 for success.
 671  */
 672 static int gmc_v11_0_mc_init(struct amdgpu_device *adev)
 673 {
 674         int r;
 675
 676         /* size in MB on si */
 677         adev->gmc.mc_vram_size =
 678                 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
 679         adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
 680
 681         if (!(adev->flags & AMD_IS_APU)) {
 682                 r = amdgpu_device_resize_fb_bar(adev);
 683                 if (r)
 684                         return r;
 685         }
 686         adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
 687         adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
 688
 689 #ifdef CONFIG_X86_64
 690         if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
 691                 adev->gmc.aper_base = adev->mmhub.funcs->get_mc_fb_offset(adev);
 692                 adev->gmc.aper_size = adev->gmc.real_vram_size;
 693         }
 694 #endif
 695         /* In case the PCI BAR is larger than the actual amount of vram */
 696         adev->gmc.visible_vram_size = adev->gmc.aper_size;
 697         if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
 698                 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
 699
 700         /* set the gart size */
 701         if (amdgpu_gart_size == -1)
 702                 adev->gmc.gart_size = 512ULL << 20;
 703         else
 704                 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
 705
 706         gmc_v11_0_vram_gtt_location(adev, &adev->gmc);
 707
 708         return 0;
 709 }
 710
 711 static int gmc_v11_0_gart_init(struct amdgpu_device *adev)
 712 {
 713         int r;
 714
 715         if (adev->gart.bo) {
 716                 WARN(1, "PCIE GART already initialized\n");
 717                 return 0;
 718         }
 719
 720         /* Initialize common gart structure */
 721         r = amdgpu_gart_init(adev);
 722         if (r)
 723                 return r;
 724
 725         adev->gart.table_size = adev->gart.num_gpu_pages * 8;
 726         adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) |
 727                                  AMDGPU_PTE_EXECUTABLE;
 728
 729         return amdgpu_gart_table_vram_alloc(adev);
 730 }
 731
 732 static int gmc_v11_0_sw_init(void *handle)
 733 {
 734         int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
 735         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 736
 737         adev->mmhub.funcs->init(adev);
 738
 739         adev->gfxhub.funcs->init(adev);
 740
 741         spin_lock_init(&adev->gmc.invalidate_lock);
 742
 743         r = amdgpu_atomfirmware_get_vram_info(adev,
 744                                               &vram_width, &vram_type, &vram_vendor);
 745         adev->gmc.vram_width = vram_width;
 746
 747         adev->gmc.vram_type = vram_type;
 748         adev->gmc.vram_vendor = vram_vendor;
 749
 750         switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
 751         case IP_VERSION(11, 0, 0):
 752         case IP_VERSION(11, 0, 1):
 753         case IP_VERSION(11, 0, 2):
 754         case IP_VERSION(11, 0, 3):
 755         case IP_VERSION(11, 0, 4):
 756         case IP_VERSION(11, 5, 0):
 757         case IP_VERSION(11, 5, 1):
 758                 set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask);
 759                 set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask);
 760                 /*
 761                  * To fulfill 4-level page support,
 762                  * vm size is 256TB (48bit), maximum size,
 763                  * block size 512 (9bit)
 764                  */
 765                 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
 766                 break;
 767         default:
 768                 break;
 769         }
 770
 771         /* This interrupt is VMC page fault.*/
 772         r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_VMC,
 773                               VMC_1_0__SRCID__VM_FAULT,
 774                               &adev->gmc.vm_fault);
 775
 776         if (r)
 777                 return r;
 778
 779         r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_GFX,
 780                               UTCL2_1_0__SRCID__FAULT,
 781                               &adev->gmc.vm_fault);
 782         if (r)
 783                 return r;
 784
 785         if (!amdgpu_sriov_vf(adev)) {
 786                 /* interrupt sent to DF. */
 787                 r = amdgpu_irq_add_id(adev, SOC21_IH_CLIENTID_DF, 0,
 788                                       &adev->gmc.ecc_irq);
 789                 if (r)
 790                         return r;
 791         }
 792
 793         /*
 794          * Set the internal MC address mask This is the max address of the GPU's
 795          * internal address space.
 796          */
 797         adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
 798
 799         r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
 800         if (r) {
 801                 dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n");
 802                 return r;
 803         }
 804
 805         adev->need_swiotlb = drm_need_swiotlb(44);
 806
 807         r = gmc_v11_0_mc_init(adev);
 808         if (r)
 809                 return r;
 810
 811         amdgpu_gmc_get_vbios_allocations(adev);
 812
 813         /* Memory manager */
 814         r = amdgpu_bo_init(adev);
 815         if (r)
 816                 return r;
 817
 818         r = gmc_v11_0_gart_init(adev);
 819         if (r)
 820                 return r;
 821
 822         /*
 823          * number of VMs
 824          * VMID 0 is reserved for System
 825          * amdgpu graphics/compute will use VMIDs 1-7
 826          * amdkfd will use VMIDs 8-15
 827          */
 828         adev->vm_manager.first_kfd_vmid = 8;
 829
 830         amdgpu_vm_manager_init(adev);
 831
 832         r = amdgpu_gmc_ras_sw_init(adev);
 833         if (r)
 834                 return r;
 835
 836         return 0;
 837 }
 838
 839 /**
 840  * gmc_v11_0_gart_fini - vm fini callback
 841  *
 842  * @adev: amdgpu_device pointer
 843  *
 844  * Tears down the driver GART/VM setup (CIK).
 845  */
 846 static void gmc_v11_0_gart_fini(struct amdgpu_device *adev)
 847 {
 848         amdgpu_gart_table_vram_free(adev);
 849 }
 850
 851 static int gmc_v11_0_sw_fini(void *handle)
 852 {
 853         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 854
 855         amdgpu_vm_manager_fini(adev);
 856         gmc_v11_0_gart_fini(adev);
 857         amdgpu_gem_force_release(adev);
 858         amdgpu_bo_fini(adev);
 859
 860         return 0;
 861 }
 862
 863 static void gmc_v11_0_init_golden_registers(struct amdgpu_device *adev)
 864 {
 865         if (amdgpu_sriov_vf(adev)) {
 866                 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
 867
 868                 WREG32(hub->vm_contexts_disable, 0);
 869                 return;
 870         }
 871 }
 872
 873 /**
 874  * gmc_v11_0_gart_enable - gart enable
 875  *
 876  * @adev: amdgpu_device pointer
 877  */
 878 static int gmc_v11_0_gart_enable(struct amdgpu_device *adev)
 879 {
 880         int r;
 881         bool value;
 882
 883         if (adev->gart.bo == NULL) {
 884                 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
 885                 return -EINVAL;
 886         }
 887
 888         amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
 889
 890         r = adev->mmhub.funcs->gart_enable(adev);
 891         if (r)
 892                 return r;
 893
 894         /* Flush HDP after it is initialized */
 895         adev->hdp.funcs->flush_hdp(adev, NULL);
 896
 897         value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
 898                 false : true;
 899
 900         adev->mmhub.funcs->set_fault_enable_default(adev, value);
 901         gmc_v11_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB0(0), 0);
 902
 903         DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
 904                  (unsigned int)(adev->gmc.gart_size >> 20),
 905                  (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
 906
 907         return 0;
 908 }
 909
 910 static int gmc_v11_0_hw_init(void *handle)
 911 {
 912         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 913         int r;
 914
 915         adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode;
 916
 917         /* The sequence of these two function calls matters.*/
 918         gmc_v11_0_init_golden_registers(adev);
 919
 920         r = gmc_v11_0_gart_enable(adev);
 921         if (r)
 922                 return r;
 923
 924         if (adev->umc.funcs && adev->umc.funcs->init_registers)
 925                 adev->umc.funcs->init_registers(adev);
 926
 927         return 0;
 928 }
 929
 930 /**
 931  * gmc_v11_0_gart_disable - gart disable
 932  *
 933  * @adev: amdgpu_device pointer
 934  *
 935  * This disables all VM page table.
 936  */
 937 static void gmc_v11_0_gart_disable(struct amdgpu_device *adev)
 938 {
 939         adev->mmhub.funcs->gart_disable(adev);
 940 }
 941
 942 static int gmc_v11_0_hw_fini(void *handle)
 943 {
 944         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 945
 946         if (amdgpu_sriov_vf(adev)) {
 947                 /* full access mode, so don't touch any GMC register */
 948                 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
 949                 return 0;
 950         }
 951
 952         amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
 953
 954         if (adev->gmc.ecc_irq.funcs &&
 955                 amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC))
 956                 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
 957
 958         gmc_v11_0_gart_disable(adev);
 959
 960         return 0;
 961 }
 962
 963 static int gmc_v11_0_suspend(void *handle)
 964 {
 965         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 966
 967         gmc_v11_0_hw_fini(adev);
 968
 969         return 0;
 970 }
 971
 972 static int gmc_v11_0_resume(void *handle)
 973 {
 974         int r;
 975         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 976
 977         r = gmc_v11_0_hw_init(adev);
 978         if (r)
 979                 return r;
 980
 981         amdgpu_vmid_reset_all(adev);
 982
 983         return 0;
 984 }
 985
 986 static bool gmc_v11_0_is_idle(void *handle)
 987 {
 988         /* MC is always ready in GMC v11.*/
 989         return true;
 990 }
 991
 992 static int gmc_v11_0_wait_for_idle(void *handle)
 993 {
 994         /* There is no need to wait for MC idle in GMC v11.*/
 995         return 0;
 996 }
 997
 998 static int gmc_v11_0_soft_reset(void *handle)
 999 {
1000         return 0;
1001 }
1002
1003 static int gmc_v11_0_set_clockgating_state(void *handle,
1004                                            enum amd_clockgating_state state)
1005 {
1006         int r;
1007         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1008
1009         r = adev->mmhub.funcs->set_clockgating(adev, state);
1010         if (r)
1011                 return r;
1012
1013         return athub_v3_0_set_clockgating(adev, state);
1014 }
1015
1016 static void gmc_v11_0_get_clockgating_state(void *handle, u64 *flags)
1017 {
1018         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1019
1020         adev->mmhub.funcs->get_clockgating(adev, flags);
1021
1022         athub_v3_0_get_clockgating(adev, flags);
1023 }
1024
1025 static int gmc_v11_0_set_powergating_state(void *handle,
1026                                            enum amd_powergating_state state)
1027 {
1028         return 0;
1029 }
1030
1031 const struct amd_ip_funcs gmc_v11_0_ip_funcs = {
1032         .name = "gmc_v11_0",
1033         .early_init = gmc_v11_0_early_init,
1034         .sw_init = gmc_v11_0_sw_init,
1035         .hw_init = gmc_v11_0_hw_init,
1036         .late_init = gmc_v11_0_late_init,
1037         .sw_fini = gmc_v11_0_sw_fini,
1038         .hw_fini = gmc_v11_0_hw_fini,
1039         .suspend = gmc_v11_0_suspend,
1040         .resume = gmc_v11_0_resume,
1041         .is_idle = gmc_v11_0_is_idle,
1042         .wait_for_idle = gmc_v11_0_wait_for_idle,
1043         .soft_reset = gmc_v11_0_soft_reset,
1044         .set_clockgating_state = gmc_v11_0_set_clockgating_state,
1045         .set_powergating_state = gmc_v11_0_set_powergating_state,
1046         .get_clockgating_state = gmc_v11_0_get_clockgating_state,
1047 };
1048
1049 const struct amdgpu_ip_block_version gmc_v11_0_ip_block = {
1050         .type = AMD_IP_BLOCK_TYPE_GMC,
1051         .major = 11,
1052         .minor = 0,
1053         .rev = 0,
1054         .funcs = &gmc_v11_0_ip_funcs,
1055 };