diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c | 517 |
1 files changed, 517 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c new file mode 100644 index 000000000000..33b0de54a5da --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v9_4.c @@ -0,0 +1,517 @@ +/* + * Copyright 2018 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_v9_4.h" + +#include "mmhub/mmhub_9_4_1_offset.h" +#include "mmhub/mmhub_9_4_1_sh_mask.h" +#include "mmhub/mmhub_9_4_1_default.h" +#include "athub/athub_1_0_offset.h" +#include "athub/athub_1_0_sh_mask.h" +#include "vega10_enum.h" + +#include "soc15_common.h" + +#define MMHUB_NUM_INSTANCES 2 +#define MMHUB_INSTANCE_REGISTER_OFFSET 0x3000 + +u64 mmhub_v9_4_get_fb_location(struct amdgpu_device *adev) +{ + /* The base should be same b/t 2 mmhubs on Acrturus. Read one here. */ + u64 base = RREG32_SOC15(MMHUB, 0, mmVMSHAREDVC0_MC_VM_FB_LOCATION_BASE); + u64 top = RREG32_SOC15(MMHUB, 0, mmVMSHAREDVC0_MC_VM_FB_LOCATION_TOP); + + base &= VMSHAREDVC0_MC_VM_FB_LOCATION_BASE__FB_BASE_MASK; + base <<= 24; + + top &= VMSHAREDVC0_MC_VM_FB_LOCATION_TOP__FB_TOP_MASK; + top <<= 24; + + adev->gmc.fb_start = base; + adev->gmc.fb_end = top; + + return base; +} + +void mmhub_v9_4_setup_vm_pt_regs(struct amdgpu_device *adev, int hubid, + uint32_t vmid, uint64_t value) +{ + /* two registers distance between mmVML2VC0_VM_CONTEXT0_* to + * mmVML2VC0_VM_CONTEXT1_* + */ + int dist = mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 + - mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; + + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, + dist * vmid + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + lower_32_bits(value)); + + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, + dist * vmid + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + upper_32_bits(value)); + +} + +static void mmhub_v9_4_init_gart_aperture_regs(struct amdgpu_device *adev, + int hubid) +{ + uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); + + mmhub_v9_4_setup_vm_pt_regs(adev, hubid, 0, pt_base); + + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)(adev->gmc.gart_start >> 12)); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)(adev->gmc.gart_start >> 44)); + + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)(adev->gmc.gart_end >> 12)); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)(adev->gmc.gart_end >> 44)); +} + +static void mmhub_v9_4_init_system_aperture_regs(struct amdgpu_device *adev, + int hubid) +{ + uint64_t value; + uint32_t tmp; + + /* Program the AGP BAR */ + WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_AGP_BASE, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_AGP_TOP, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + adev->gmc.agp_end >> 24); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_AGP_BOT, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + adev->gmc.agp_start >> 24); + + /* Program the system aperture low logical page number. */ + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDVC0_MC_VM_SYSTEM_APERTURE_LOW_ADDR, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDVC0_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); + + /* Set default page address. */ + value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start + + adev->vm_manager.vram_base_offset; + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDPF0_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)(value >> 12)); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDPF0_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)(value >> 44)); + + /* Program "protection fault". */ + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)(adev->dummy_page_addr >> 12)); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, + (u32)((u64)adev->dummy_page_addr >> 44)); + + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL2, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL2, + ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL2, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); +} + +static void mmhub_v9_4_init_tlb_regs(struct amdgpu_device *adev, int hubid) +{ + uint32_t tmp; + + /* Setup TLB control */ + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET); + + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + ENABLE_L1_TLB, 1); + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + SYSTEM_ACCESS_MODE, 3); + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + ENABLE_ADVANCED_DRIVER_MODEL, 1); + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + ECO_BITS, 0); + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + MTYPE, MTYPE_UC);/* XXX for emulation. */ + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + ATC_EN, 1); + + WREG32_SOC15_OFFSET(MMHUB, 0, mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); +} + +static void mmhub_v9_4_init_cache_regs(struct amdgpu_device *adev, int hubid) +{ + uint32_t tmp; + + /* Setup L2 cache */ + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL, + ENABLE_L2_CACHE, 1); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL, + ENABLE_L2_FRAGMENT_PROCESSING, 1); + /* XXX for emulation, Refer to closed source code.*/ + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL, + L2_PDE0_CACHE_TAG_GENERATION_MODE, 0); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL, + PDE_FAULT_CLASSIFICATION, 0); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL, + CONTEXT1_IDENTITY_ACCESS_MODE, 1); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL, + IDENTITY_MODE_FRAGMENT_SIZE, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); + + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL2, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL2, + INVALIDATE_ALL_L1_TLBS, 1); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL2, + INVALIDATE_L2_CACHE, 1); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL2, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); + + tmp = mmVML2PF0_VM_L2_CNTL3_DEFAULT; + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL3, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); + + tmp = mmVML2PF0_VM_L2_CNTL4_DEFAULT; + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL4, + VMC_TAP_PDE_REQUEST_PHYSICAL, 0); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL4, + VMC_TAP_PTE_REQUEST_PHYSICAL, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL4, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); +} + +static void mmhub_v9_4_enable_system_domain(struct amdgpu_device *adev, + int hubid) +{ + uint32_t tmp; + + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT0_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT0_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); +} + +static void mmhub_v9_4_disable_identity_aperture(struct amdgpu_device *adev, + int hubid) +{ + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0XFFFFFFFF); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0x0000000F); + + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0); + + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET, 0); +} + +static void mmhub_v9_4_setup_vmid_config(struct amdgpu_device *adev, int hubid) +{ + uint32_t tmp; + int i; + + for (i = 0; i <= 14; i++) { + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT1_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + ENABLE_CONTEXT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + PAGE_TABLE_DEPTH, + adev->vm_manager.num_level); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, + 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_CONTEXT1_CNTL, + EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VML2VC0_VM_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, VML2VC0_VM_CONTEXT1_CNTL, + RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2VC0_VM_CONTEXT1_CNTL, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i, + tmp); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2, + lower_32_bits(adev->vm_manager.max_pfn - 1)); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + i*2, + upper_32_bits(adev->vm_manager.max_pfn - 1)); + } +} + +static void mmhub_v9_4_program_invalidation(struct amdgpu_device *adev, + int hubid) +{ + unsigned i; + + for (i = 0; i < 18; ++i) { + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_INVALIDATE_ENG0_ADDR_RANGE_LO32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + 2 * i, + 0xffffffff); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_INVALIDATE_ENG0_ADDR_RANGE_HI32, + hubid * MMHUB_INSTANCE_REGISTER_OFFSET + 2 * i, + 0x1f); + } +} + +int mmhub_v9_4_gart_enable(struct amdgpu_device *adev) +{ + int i; + + for (i = 0; i < MMHUB_NUM_INSTANCES; i++) { + if (amdgpu_sriov_vf(adev)) { + /* + * MC_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_OFFSET(MMHUB, 0, + mmVMSHAREDVC0_MC_VM_FB_LOCATION_BASE, + i * MMHUB_INSTANCE_REGISTER_OFFSET, + adev->gmc.vram_start >> 24); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDVC0_MC_VM_FB_LOCATION_TOP, + i * MMHUB_INSTANCE_REGISTER_OFFSET, + adev->gmc.vram_end >> 24); + } + + /* GART Enable. */ + mmhub_v9_4_init_gart_aperture_regs(adev, i); + mmhub_v9_4_init_system_aperture_regs(adev, i); + mmhub_v9_4_init_tlb_regs(adev, i); + mmhub_v9_4_init_cache_regs(adev, i); + + mmhub_v9_4_enable_system_domain(adev, i); + mmhub_v9_4_disable_identity_aperture(adev, i); + mmhub_v9_4_setup_vmid_config(adev, i); + mmhub_v9_4_program_invalidation(adev, i); + } + + return 0; +} + +void mmhub_v9_4_gart_disable(struct amdgpu_device *adev) +{ + u32 tmp; + u32 i, j; + + for (j = 0; j < MMHUB_NUM_INSTANCES; j++) { + /* Disable all tables */ + for (i = 0; i < 16; i++) + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_CNTL, + j * MMHUB_INSTANCE_REGISTER_OFFSET + + i, 0); + + /* Setup TLB control */ + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + j * MMHUB_INSTANCE_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + ENABLE_L1_TLB, 0); + tmp = REG_SET_FIELD(tmp, + VMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + ENABLE_ADVANCED_DRIVER_MODEL, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVMSHAREDVC0_MC_VM_MX_L1_TLB_CNTL, + j * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); + + /* Setup L2 cache */ + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL, + j * MMHUB_INSTANCE_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_CNTL, + ENABLE_L2_CACHE, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL, + j * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); + WREG32_SOC15_OFFSET(MMHUB, 0, mmVML2PF0_VM_L2_CNTL3, + j * MMHUB_INSTANCE_REGISTER_OFFSET, 0); + } +} + +/** + * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling + * + * @adev: amdgpu_device pointer + * @value: true redirects VM faults to the default page + */ +void mmhub_v9_4_set_fault_enable_default(struct amdgpu_device *adev, bool value) +{ + u32 tmp; + int i; + + for (i = 0; i < MMHUB_NUM_INSTANCES; i++) { + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + i * MMHUB_INSTANCE_REGISTER_OFFSET); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, + VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + NACK_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + VALID_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + READ_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + if (!value) { + tmp = REG_SET_FIELD(tmp, + VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_NO_RETRY_FAULT, 1); + tmp = REG_SET_FIELD(tmp, + VML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_RETRY_FAULT, 1); + } + + WREG32_SOC15_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL, + i * MMHUB_INSTANCE_REGISTER_OFFSET, tmp); + } +} + +void mmhub_v9_4_init(struct amdgpu_device *adev) +{ + struct amdgpu_vmhub *hub[MMHUB_NUM_INSTANCES] = + {&adev->vmhub[AMDGPU_MMHUB_0], &adev->vmhub[AMDGPU_MMHUB_1]}; + int i; + + for (i = 0; i < MMHUB_NUM_INSTANCES; i++) { + hub[i]->ctx0_ptb_addr_lo32 = + SOC15_REG_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32) + + i * MMHUB_INSTANCE_REGISTER_OFFSET; + hub[i]->ctx0_ptb_addr_hi32 = + SOC15_REG_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32) + + i * MMHUB_INSTANCE_REGISTER_OFFSET; + hub[i]->vm_inv_eng0_req = + SOC15_REG_OFFSET(MMHUB, 0, + mmVML2VC0_VM_INVALIDATE_ENG0_REQ) + + i * MMHUB_INSTANCE_REGISTER_OFFSET; + hub[i]->vm_inv_eng0_ack = + SOC15_REG_OFFSET(MMHUB, 0, + mmVML2VC0_VM_INVALIDATE_ENG0_ACK) + + i * MMHUB_INSTANCE_REGISTER_OFFSET; + hub[i]->vm_context0_cntl = + SOC15_REG_OFFSET(MMHUB, 0, + mmVML2VC0_VM_CONTEXT0_CNTL) + + i * MMHUB_INSTANCE_REGISTER_OFFSET; + hub[i]->vm_l2_pro_fault_status = + SOC15_REG_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_PROTECTION_FAULT_STATUS) + + i * MMHUB_INSTANCE_REGISTER_OFFSET; + hub[i]->vm_l2_pro_fault_cntl = + SOC15_REG_OFFSET(MMHUB, 0, + mmVML2PF0_VM_L2_PROTECTION_FAULT_CNTL) + + i * MMHUB_INSTANCE_REGISTER_OFFSET; + } +} |