/* * Copyright 2019 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * */ #include "amdgpu.h" #include "gfxhub_v2_1.h" #include "gc/gc_10_3_0_offset.h" #include "gc/gc_10_3_0_sh_mask.h" #include "gc/gc_10_3_0_default.h" #include "navi10_enum.h" #include "soc15_common.h" #define mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP 0x16f8 #define mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP_BASE_IDX 0 static const char *gfxhub_client_ids[] = { "CB/DB", "Reserved", "GE1", "GE2", "CPF", "CPC", "CPG", "RLC", "TCP", "SQC (inst)", "SQC (data)", "SQG", "Reserved", "SDMA0", "SDMA1", "GCR", "SDMA2", "SDMA3", }; static uint32_t gfxhub_v2_1_get_invalidate_req(unsigned int vmid, uint32_t flush_type) { u32 req = 0; /* invalidate using legacy mode on vmid*/ req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, PER_VMID_INVALIDATE_REQ, 1 << vmid); req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); return req; } static void gfxhub_v2_1_print_l2_protection_fault_status(struct amdgpu_device *adev, uint32_t status) { u32 cid = REG_GET_FIELD(status, GCVM_L2_PROTECTION_FAULT_STATUS, CID); dev_err(adev->dev, "GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", status); dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid], cid); dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", REG_GET_FIELD(status, GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", REG_GET_FIELD(status, GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", REG_GET_FIELD(status, GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", REG_GET_FIELD(status, GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); dev_err(adev->dev, "\t RW: 0x%lx\n", REG_GET_FIELD(status, GCVM_L2_PROTECTION_FAULT_STATUS, RW)); } static u64 gfxhub_v2_1_get_fb_location(struct amdgpu_device *adev) { u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE); base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK; base <<= 24; return base; } static u64 gfxhub_v2_1_get_mc_fb_offset(struct amdgpu_device *adev) { return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24; } static void gfxhub_v2_1_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, uint64_t page_table_base) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, hub->ctx_addr_distance * vmid, lower_32_bits(page_table_base)); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, hub->ctx_addr_distance * vmid, upper_32_bits(page_table_base)); } static void gfxhub_v2_1_init_gart_aperture_regs(struct amdgpu_device *adev) { uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); gfxhub_v2_1_setup_vm_pt_regs(adev, 0, pt_base); WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, (u32)(adev->gmc.gart_start >> 12)); WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, (u32)(adev->gmc.gart_start >> 44)); WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, (u32)(adev->gmc.gart_end >> 12)); WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, (u32)(adev->gmc.gart_end >> 44)); } static void gfxhub_v2_1_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; /* Program the AGP BAR */ WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0); WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); /* Program the system aperture low logical page number. */ WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); /* Set default page address. */ value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr); WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, (u32)(value >> 12)); WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, (u32)(value >> 44)); /* Program "protection fault". */ WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, (u32)(adev->dummy_page_addr >> 12)); WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, (u32)((u64)adev->dummy_page_addr >> 44)); WREG32_FIELD15(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2, ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); } static void gfxhub_v2_1_init_tlb_regs(struct amdgpu_device *adev) { uint32_t tmp; /* Setup TLB control */ tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC); /* UC, uncached */ WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp); } static void gfxhub_v2_1_init_cache_regs(struct amdgpu_device *adev) { uint32_t tmp; /* These registers are not accessible to VF-SRIOV. * The PF will program them instead. */ if (amdgpu_sriov_vf(adev)) return; /* Setup L2 cache */ tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); /* XXX for emulation, Refer to closed source code.*/ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL, tmp); tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp); tmp = mmGCVM_L2_CNTL3_DEFAULT; if (adev->gmc.translate_further) { tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 9); } else { tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6); } WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp); tmp = mmGCVM_L2_CNTL4_DEFAULT; tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp); tmp = mmGCVM_L2_CNTL5_DEFAULT; tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL5, tmp); } static void gfxhub_v2_1_enable_system_domain(struct amdgpu_device *adev) { uint32_t tmp; tmp = RREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL, tmp); } static void gfxhub_v2_1_disable_identity_aperture(struct amdgpu_device *adev) { /* These registers are not accessible to VF-SRIOV. * The PF will program them instead. */ if (amdgpu_sriov_vf(adev)) return; WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 0xFFFFFFFF); WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 0x0000000F); WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); } static void gfxhub_v2_1_setup_vmid_config(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; int i; uint32_t tmp; for (i = 0; i <= 14; i++) { tmp = RREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, adev->vm_manager.num_level); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_BLOCK_SIZE, adev->vm_manager.block_size - 9); /* Send no-retry XNACK on fault to suppress VM fault storm. */ tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, !adev->gmc.noretry); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i * hub->ctx_distance, tmp); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i * hub->ctx_addr_distance, 0); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i * hub->ctx_addr_distance, 0); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i * hub->ctx_addr_distance, lower_32_bits(adev->vm_manager.max_pfn - 1)); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i * hub->ctx_addr_distance, upper_32_bits(adev->vm_manager.max_pfn - 1)); } } static void gfxhub_v2_1_program_invalidation(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; unsigned i; for (i = 0 ; i < 18; ++i) { WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, i * hub->eng_addr_distance, 0xffffffff); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, i * hub->eng_addr_distance, 0x1f); } } static int gfxhub_v2_1_gart_enable(struct amdgpu_device *adev) { if (amdgpu_sriov_vf(adev)) { /* * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are * VF copy registers so vbios post doesn't program them, for * SRIOV driver need to program them */ WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE, adev->gmc.vram_start >> 24); WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_TOP, adev->gmc.vram_end >> 24); } /* GART Enable. */ gfxhub_v2_1_init_gart_aperture_regs(adev); gfxhub_v2_1_init_system_aperture_regs(adev); gfxhub_v2_1_init_tlb_regs(adev); gfxhub_v2_1_init_cache_regs(adev); gfxhub_v2_1_enable_system_domain(adev); gfxhub_v2_1_disable_identity_aperture(adev); gfxhub_v2_1_setup_vmid_config(adev); gfxhub_v2_1_program_invalidation(adev); return 0; } static void gfxhub_v2_1_gart_disable(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; u32 tmp; u32 i; /* Disable all tables */ for (i = 0; i < 16; i++) WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL, i * hub->ctx_distance, 0); /* Setup TLB control */ tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0); WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0); } /** * gfxhub_v2_1_set_fault_enable_default - update GART/VM fault handling * * @adev: amdgpu_device pointer * @value: true redirects VM faults to the default page */ static void gfxhub_v2_1_set_fault_enable_default(struct amdgpu_device *adev, bool value) { u32 tmp; /* These registers are not accessible to VF-SRIOV. * The PF will program them instead. */ if (amdgpu_sriov_vf(adev)) return; tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); if (!value) { tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, CRASH_ON_NO_RETRY_FAULT, 1); tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL, CRASH_ON_RETRY_FAULT, 1); } WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp); } static const struct amdgpu_vmhub_funcs gfxhub_v2_1_vmhub_funcs = { .print_l2_protection_fault_status = gfxhub_v2_1_print_l2_protection_fault_status, .get_invalidate_req = gfxhub_v2_1_get_invalidate_req, }; static void gfxhub_v2_1_init(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; hub->ctx0_ptb_addr_lo32 = SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); hub->ctx0_ptb_addr_hi32 = SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); hub->vm_inv_eng0_sem = SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_SEM); hub->vm_inv_eng0_req = SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ); hub->vm_inv_eng0_ack = SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ACK); hub->vm_context0_cntl = SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL); hub->vm_l2_pro_fault_status = SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS); hub->vm_l2_pro_fault_cntl = SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL); hub->ctx_distance = mmGCVM_CONTEXT1_CNTL - mmGCVM_CONTEXT0_CNTL; hub->ctx_addr_distance = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; hub->eng_distance = mmGCVM_INVALIDATE_ENG1_REQ - mmGCVM_INVALIDATE_ENG0_REQ; hub->eng_addr_distance = mmGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; hub->vmhub_funcs = &gfxhub_v2_1_vmhub_funcs; } static int gfxhub_v2_1_get_xgmi_info(struct amdgpu_device *adev) { u32 xgmi_lfb_cntl = RREG32_SOC15(GC, 0, mmGCMC_VM_XGMI_LFB_CNTL); u32 max_region = REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_MAX_REGION); u32 max_num_physical_nodes = 0; u32 max_physical_node_id = 0; switch (adev->asic_type) { case CHIP_SIENNA_CICHLID: max_num_physical_nodes = 4; max_physical_node_id = 3; break; default: return -EINVAL; } /* PF_MAX_REGION=0 means xgmi is disabled */ if (max_region) { adev->gmc.xgmi.num_physical_nodes = max_region + 1; if (adev->gmc.xgmi.num_physical_nodes > max_num_physical_nodes) return -EINVAL; adev->gmc.xgmi.physical_node_id = REG_GET_FIELD(xgmi_lfb_cntl, GCMC_VM_XGMI_LFB_CNTL, PF_LFB_REGION); if (adev->gmc.xgmi.physical_node_id > max_physical_node_id) return -EINVAL; adev->gmc.xgmi.node_segment_size = REG_GET_FIELD( RREG32_SOC15(GC, 0, mmGCMC_VM_XGMI_LFB_SIZE), GCMC_VM_XGMI_LFB_SIZE, PF_LFB_SIZE) << 24; } return 0; } static void gfxhub_v2_1_utcl2_harvest(struct amdgpu_device *adev) { int i; u32 tmp = 0, disabled_sa = 0; u32 efuse_setting, vbios_setting; u32 max_sa_mask = amdgpu_gfx_create_bitmask( adev->gfx.config.max_sh_per_se * adev->gfx.config.max_shader_engines); if (adev->asic_type == CHIP_YELLOW_CARP) { /* Get SA disabled bitmap from eFuse setting */ efuse_setting = RREG32_SOC15(GC, 0, mmCC_GC_SA_UNIT_DISABLE); efuse_setting &= CC_GC_SA_UNIT_DISABLE__SA_DISABLE_MASK; efuse_setting >>= CC_GC_SA_UNIT_DISABLE__SA_DISABLE__SHIFT; /* Get SA disabled bitmap from VBIOS setting */ vbios_setting = RREG32_SOC15(GC, 0, mmGC_USER_SA_UNIT_DISABLE); vbios_setting &= GC_USER_SA_UNIT_DISABLE__SA_DISABLE_MASK; vbios_setting >>= GC_USER_SA_UNIT_DISABLE__SA_DISABLE__SHIFT; disabled_sa |= efuse_setting | vbios_setting; /* Make sure not to report harvested SAs beyond the max SA count */ disabled_sa &= max_sa_mask; for (i = 0; disabled_sa > 0; i++) { if (disabled_sa & 1) tmp |= 0x3 << (i * 2); disabled_sa >>= 1; } disabled_sa = tmp; WREG32_SOC15(GC, 0, mmGCUTCL2_HARVEST_BYPASS_GROUPS_YELLOW_CARP, disabled_sa); } } const struct amdgpu_gfxhub_funcs gfxhub_v2_1_funcs = { .get_fb_location = gfxhub_v2_1_get_fb_location, .get_mc_fb_offset = gfxhub_v2_1_get_mc_fb_offset, .setup_vm_pt_regs = gfxhub_v2_1_setup_vm_pt_regs, .gart_enable = gfxhub_v2_1_gart_enable, .gart_disable = gfxhub_v2_1_gart_disable, .set_fault_enable_default = gfxhub_v2_1_set_fault_enable_default, .init = gfxhub_v2_1_init, .get_xgmi_info = gfxhub_v2_1_get_xgmi_info, .utcl2_harvest = gfxhub_v2_1_utcl2_harvest, };