/* * Copyright 2023 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 "mmhub_v3_3.h" #include "mmhub/mmhub_3_3_0_offset.h" #include "mmhub/mmhub_3_3_0_sh_mask.h" #include "navi10_enum.h" #include "soc15_common.h" #define regMMVM_L2_CNTL3_DEFAULT 0x80100007 #define regMMVM_L2_CNTL4_DEFAULT 0x000000c1 #define regMMVM_L2_CNTL5_DEFAULT 0x00003fe0 #define regDAGB0_L1TLB_REG_RW_3_3 0x00a4 #define regDAGB0_L1TLB_REG_RW_3_3_BASE_IDX 1 #define regDAGB1_L1TLB_REG_RW_3_3 0x0163 #define regDAGB1_L1TLB_REG_RW_3_3_BASE_IDX 1 static const char *mmhub_client_ids_v3_3[][2] = { [0][0] = "VMC", [4][0] = "DCEDMC", [6][0] = "MP0", [7][0] = "MP1", [8][0] = "MPM", [24][0] = "HDP", [25][0] = "LSDMA", [26][0] = "JPEG", [27][0] = "VPE", [29][0] = "VCNU", [30][0] = "VCN", [3][1] = "DCEDWB", [4][1] = "DCEDMC", [6][1] = "MP0", [7][1] = "MP1", [8][1] = "MPM", [21][1] = "OSSSYS", [24][1] = "HDP", [25][1] = "LSDMA", [26][1] = "JPEG", [27][1] = "VPE", [29][1] = "VCNU", [30][1] = "VCN", }; static uint32_t mmhub_v3_3_get_invalidate_req(unsigned int vmid, uint32_t flush_type) { u32 req = 0; /* invalidate using legacy mode on vmid*/ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, PER_VMID_INVALIDATE_REQ, 1 << vmid); req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type ? : 1); req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); return req; } static void mmhub_v3_3_print_l2_protection_fault_status(struct amdgpu_device *adev, uint32_t status) { uint32_t cid, rw; const char *mmhub_cid = NULL; cid = REG_GET_FIELD(status, MMVM_L2_PROTECTION_FAULT_STATUS, CID); rw = REG_GET_FIELD(status, MMVM_L2_PROTECTION_FAULT_STATUS, RW); dev_err(adev->dev, "MMVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", status); switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) { case IP_VERSION(3, 3, 0): case IP_VERSION(3, 3, 1): mmhub_cid = cid < ARRAY_SIZE(mmhub_client_ids_v3_3) ? mmhub_client_ids_v3_3[cid][rw] : cid == 0x140 ? "UMSCH" : NULL; break; default: mmhub_cid = NULL; break; } dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n", mmhub_cid ? mmhub_cid : "unknown", cid); dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n", REG_GET_FIELD(status, MMVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS)); dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n", REG_GET_FIELD(status, MMVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR)); dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n", REG_GET_FIELD(status, MMVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS)); dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n", REG_GET_FIELD(status, MMVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR)); dev_err(adev->dev, "\t RW: 0x%x\n", rw); } static void mmhub_v3_3_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, uint64_t page_table_base) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, hub->ctx_addr_distance * vmid, lower_32_bits(page_table_base)); WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, hub->ctx_addr_distance * vmid, upper_32_bits(page_table_base)); } static void mmhub_v3_3_init_gart_aperture_regs(struct amdgpu_device *adev) { uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); mmhub_v3_3_setup_vm_pt_regs(adev, 0, pt_base); WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, (u32)(adev->gmc.gart_start >> 12)); WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, (u32)(adev->gmc.gart_start >> 44)); WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, (u32)(adev->gmc.gart_end >> 12)); WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, (u32)(adev->gmc.gart_end >> 44)); } static void mmhub_v3_3_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; uint32_t tmp; /* Program the AGP BAR */ WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE, 0); WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); /* * the new L1 policy will block SRIOV guest from writing * these regs, and they will be programed at host. * so skip programing these regs. */ /* Program the system aperture low logical page number. */ WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR, min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); WREG32_SOC15(MMHUB, 0, regMMMC_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->mem_scratch.gpu_addr); WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, (u32)(value >> 12)); WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, (u32)(value >> 44)); /* Program "protection fault". */ WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, (u32)(adev->dummy_page_addr >> 12)); WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, (u32)((u64)adev->dummy_page_addr >> 44)); tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2, ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp); } static void mmhub_v3_3_init_tlb_regs(struct amdgpu_device *adev) { uint32_t tmp; /* Setup TLB control */ tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 1); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, MTYPE, MTYPE_UC); /* UC, uncached */ WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); } static void mmhub_v3_3_init_cache_regs(struct amdgpu_device *adev) { uint32_t tmp; /* Setup L2 cache */ tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1); /* XXX for emulation, Refer to closed source code.*/ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2, tmp); tmp = regMMVM_L2_CNTL3_DEFAULT; if (adev->gmc.translate_further) { tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 9); } else { tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, L2_CACHE_BIGK_FRAGMENT_SIZE, 6); } WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, tmp); tmp = regMMVM_L2_CNTL4_DEFAULT; tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL4, tmp); tmp = regMMVM_L2_CNTL5_DEFAULT; tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp); } static void mmhub_v3_3_enable_system_domain(struct amdgpu_device *adev) { uint32_t tmp; tmp = RREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL, tmp); } static void mmhub_v3_3_disable_identity_aperture(struct amdgpu_device *adev) { WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, 0xFFFFFFFF); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, 0x0000000F); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0); } static void mmhub_v3_3_setup_vmid_config(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; int i; uint32_t tmp; for (i = 0; i <= 14; i++) { tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i * hub->ctx_distance); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, adev->vm_manager.num_level); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_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, MMVM_CONTEXT1_CNTL, RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, !amdgpu_noretry); WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i * hub->ctx_distance, tmp); WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i * hub->ctx_addr_distance, 0); WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i * hub->ctx_addr_distance, 0); WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i * hub->ctx_addr_distance, lower_32_bits(adev->vm_manager.max_pfn - 1)); WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i * hub->ctx_addr_distance, upper_32_bits(adev->vm_manager.max_pfn - 1)); } hub->vm_cntx_cntl = tmp; } static void mmhub_v3_3_program_invalidation(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; unsigned int i; for (i = 0; i < 18; ++i) { WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, i * hub->eng_addr_distance, 0xffffffff); WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, i * hub->eng_addr_distance, 0x1f); } } static void mmhub_v3_3_init_saw_regs(struct amdgpu_device *adev) { uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); uint32_t tmp; /* Program page table base, gart start, gart end */ WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, lower_32_bits(pt_base >> 12)); WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, upper_32_bits(pt_base >> 12)); WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, (u32)(adev->gmc.gart_start >> 12)); WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, (u32)(adev->gmc.gart_start >> 44)); WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, (u32)(adev->gmc.gart_end >> 12)); WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, (u32)(adev->gmc.gart_end >> 44)); tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_CNTL); tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXT0_CNTL, tmp); /* Disable all contexts except context 0 */ tmp = 0xfffe; WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CONTEXTS_DISABLE, tmp); /* Program saw cntl4 */ tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CNTL4); tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CNTL4, VMC_TAP_CONTEXT0_PDE_REQUEST_SNOOP, 1); tmp = REG_SET_FIELD(tmp, MMVM_L2_SAW_CNTL4, VMC_TAP_CONTEXT0_PTE_REQUEST_SNOOP, 1); WREG32_SOC15(MMHUB, 0, regMMVM_L2_SAW_CNTL4, tmp); } static void mmhub_v3_3_enable_tls(struct amdgpu_device *adev) { WREG32_SOC15(MMHUB, 0, regDAGB0_L1TLB_REG_RW_3_3, 0); WREG32_SOC15(MMHUB, 0, regDAGB1_L1TLB_REG_RW_3_3, 3); } static int mmhub_v3_3_gart_enable(struct amdgpu_device *adev) { /* GART Enable. */ mmhub_v3_3_init_gart_aperture_regs(adev); mmhub_v3_3_init_system_aperture_regs(adev); mmhub_v3_3_init_tlb_regs(adev); mmhub_v3_3_init_cache_regs(adev); mmhub_v3_3_enable_system_domain(adev); mmhub_v3_3_disable_identity_aperture(adev); mmhub_v3_3_setup_vmid_config(adev); mmhub_v3_3_program_invalidation(adev); /* standalone alone walker init */ mmhub_v3_3_init_saw_regs(adev); /* enable mmhub tls */ mmhub_v3_3_enable_tls(adev); return 0; } static void mmhub_v3_3_gart_disable(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; u32 tmp; u32 i; /* Disable all tables */ for (i = 0; i < 16; i++) WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL, i * hub->ctx_distance, 0); /* Setup TLB control */ tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_ADVANCED_DRIVER_MODEL, 0); WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp); /* Setup L2 cache */ tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL); tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp); WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, 0); } /** * mmhub_v3_3_set_fault_enable_default - update GART/VM fault handling * * @adev: amdgpu_device pointer * @value: true redirects VM faults to the default page */ static void mmhub_v3_3_set_fault_enable_default(struct amdgpu_device *adev, bool value) { u32 tmp; tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); if (!value) { tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, CRASH_ON_NO_RETRY_FAULT, 1); tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL, CRASH_ON_RETRY_FAULT, 1); } WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL, tmp); } static const struct amdgpu_vmhub_funcs mmhub_v3_3_vmhub_funcs = { .print_l2_protection_fault_status = mmhub_v3_3_print_l2_protection_fault_status, .get_invalidate_req = mmhub_v3_3_get_invalidate_req, }; static void mmhub_v3_3_init(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)]; hub->ctx0_ptb_addr_lo32 = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); hub->ctx0_ptb_addr_hi32 = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); hub->vm_inv_eng0_sem = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_SEM); hub->vm_inv_eng0_req = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_REQ); hub->vm_inv_eng0_ack = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ACK); hub->vm_context0_cntl = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL); hub->vm_l2_pro_fault_status = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_STATUS); hub->vm_l2_pro_fault_cntl = SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL); hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL; hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ - regMMVM_INVALIDATE_ENG0_REQ; hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 - regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32; hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; hub->vmhub_funcs = &mmhub_v3_3_vmhub_funcs; } static u64 mmhub_v3_3_get_fb_location(struct amdgpu_device *adev) { u64 base; base = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE); base &= MMMC_VM_FB_LOCATION_BASE__FB_BASE_MASK; base <<= 24; return base; } static u64 mmhub_v3_3_get_mc_fb_offset(struct amdgpu_device *adev) { u64 offset; offset = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET); offset &= MMMC_VM_FB_OFFSET__FB_OFFSET_MASK; offset <<= 24; return offset; } static void mmhub_v3_3_update_medium_grain_clock_gating(struct amdgpu_device *adev, bool enable) { uint32_t def, data; def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG); if (enable) data |= MM_ATC_L2_MISC_CG__ENABLE_MASK; else data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK; if (def != data) WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data); } static void mmhub_v3_3_update_medium_grain_light_sleep(struct amdgpu_device *adev, bool enable) { uint32_t def, data; def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG); if (enable) data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; else data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; if (def != data) WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data); } static int mmhub_v3_3_set_clockgating(struct amdgpu_device *adev, enum amd_clockgating_state state) { if (amdgpu_sriov_vf(adev)) return 0; mmhub_v3_3_update_medium_grain_clock_gating(adev, state == AMD_CG_STATE_GATE); mmhub_v3_3_update_medium_grain_light_sleep(adev, state == AMD_CG_STATE_GATE); return 0; } static void mmhub_v3_3_get_clockgating(struct amdgpu_device *adev, u64 *flags) { u32 data; if (amdgpu_sriov_vf(adev)) *flags = 0; data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG); /* AMD_CG_SUPPORT_MC_MGCG */ if (data & MM_ATC_L2_MISC_CG__ENABLE_MASK) *flags |= AMD_CG_SUPPORT_MC_MGCG; /* AMD_CG_SUPPORT_MC_LS */ if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK) *flags |= AMD_CG_SUPPORT_MC_LS; } const struct amdgpu_mmhub_funcs mmhub_v3_3_funcs = { .init = mmhub_v3_3_init, .get_fb_location = mmhub_v3_3_get_fb_location, .get_mc_fb_offset = mmhub_v3_3_get_mc_fb_offset, .gart_enable = mmhub_v3_3_gart_enable, .set_fault_enable_default = mmhub_v3_3_set_fault_enable_default, .gart_disable = mmhub_v3_3_gart_disable, .set_clockgating = mmhub_v3_3_set_clockgating, .get_clockgating = mmhub_v3_3_get_clockgating, .setup_vm_pt_regs = mmhub_v3_3_setup_vm_pt_regs, };