diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c | 224 |
1 files changed, 168 insertions, 56 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c index b70c7b483c24..14c1c1a297dd 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v2_0.c @@ -31,7 +31,78 @@ #include "soc15_common.h" -u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev) +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_0_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_0_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_0_get_fb_location(struct amdgpu_device *adev) { u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE); @@ -41,23 +112,23 @@ u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev) return base; } -u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev) +static u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev) { return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24; } -void gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, +static void gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, uint64_t page_table_base) { - /* two registers distance between mmGCVM_CONTEXT0_* to mmGCVM_CONTEXT1_* */ - int offset = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 - - mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; + struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, - offset * vmid, lower_32_bits(page_table_base)); + hub->ctx_addr_distance * vmid, + lower_32_bits(page_table_base)); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, - offset * vmid, upper_32_bits(page_table_base)); + hub->ctx_addr_distance * vmid, + upper_32_bits(page_table_base)); } static void gfxhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev) @@ -81,24 +152,25 @@ static void gfxhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev) { uint64_t value; - /* Disable AGP. */ - WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0); - WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, 0); - WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, 0x00FFFFFF); - - /* Program the system aperture low logical page number. */ - WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR, - adev->gmc.vram_start >> 18); - WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR, - adev->gmc.vram_end >> 18); - - /* Set default page address. */ - value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start - + adev->vm_manager.vram_base_offset; - 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)); + if (!amdgpu_sriov_vf(adev)) { + /* 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, @@ -135,6 +207,10 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev) { uint32_t tmp; + /* These regs are not accessible for VF, PF will program these in SRIOV */ + 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); @@ -170,6 +246,10 @@ static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev) 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_0_enable_system_domain(struct amdgpu_device *adev) @@ -203,6 +283,7 @@ static void gfxhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev) static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev) { + struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; int i; uint32_t tmp; @@ -231,43 +312,37 @@ static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev) /* 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, - !amdgpu_noretry); - WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i, tmp); - WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0); - WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0); - WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2, - lower_32_bits(adev->vm_manager.max_pfn - 1)); - WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2, - upper_32_bits(adev->vm_manager.max_pfn - 1)); + !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_0_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, - 2 * i, 0xffffffff); + i * hub->eng_addr_distance, 0xffffffff); WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, - 2 * i, 0x1f); + i * hub->eng_addr_distance, 0x1f); } } -int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev) +static int gfxhub_v2_0_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_0_init_gart_aperture_regs(adev); gfxhub_v2_0_init_system_aperture_regs(adev); @@ -282,14 +357,16 @@ int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev) return 0; } -void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev) +static void gfxhub_v2_0_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, 0); + 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); @@ -298,9 +375,11 @@ void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev) 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); + if (!amdgpu_sriov_vf(adev)) { + /* Setup L2 cache */ + WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0); + WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0); + } } /** @@ -309,7 +388,7 @@ void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev) * @adev: amdgpu_device pointer * @value: true redirects VM faults to the default page */ -void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, +static void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, bool value) { u32 tmp; @@ -346,7 +425,12 @@ void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev, WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp); } -void gfxhub_v2_0_init(struct amdgpu_device *adev) +static const struct amdgpu_vmhub_funcs gfxhub_v2_0_vmhub_funcs = { + .print_l2_protection_fault_status = gfxhub_v2_0_print_l2_protection_fault_status, + .get_invalidate_req = gfxhub_v2_0_get_invalidate_req, +}; + +static void gfxhub_v2_0_init(struct amdgpu_device *adev) { struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; @@ -368,4 +452,32 @@ void gfxhub_v2_0_init(struct amdgpu_device *adev) 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_0_vmhub_funcs; } + +const struct amdgpu_gfxhub_funcs gfxhub_v2_0_funcs = { + .get_fb_location = gfxhub_v2_0_get_fb_location, + .get_mc_fb_offset = gfxhub_v2_0_get_mc_fb_offset, + .setup_vm_pt_regs = gfxhub_v2_0_setup_vm_pt_regs, + .gart_enable = gfxhub_v2_0_gart_enable, + .gart_disable = gfxhub_v2_0_gart_disable, + .set_fault_enable_default = gfxhub_v2_0_set_fault_enable_default, + .init = gfxhub_v2_0_init, +}; 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