From: Le Ma <le.ma@xxxxxxx> v1: dupilcate mmhub_v1_7.c from mmhub_v1_0.c because mmhub register address for aldebaran is different from existing asics (Le) v2: switch to latest mmhub_v9_4_2 register headers (Hawking) v3: squash in init VM_L2_CNTL3 default value for mmhub v1_7 Signed-off-by: Le Ma <le.ma@xxxxxxx> Signed-off-by: Kevin Wang <kevin1.wang@xxxxxxx> Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Acked-by: Evan Quan <evan.quan@xxxxxxx> Signed-off-by: Hawking Zhang <Hawking.Zhang@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/Makefile | 3 +- drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c | 598 ++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.h | 42 ++ 3 files changed, 642 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.h diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index 906bf2eaa158..95afdbda0b44 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -83,7 +83,8 @@ amdgpu-y += \ gmc_v7_0.o \ gmc_v8_0.o \ gfxhub_v1_0.o mmhub_v1_0.o gmc_v9_0.o gfxhub_v1_1.o mmhub_v9_4.o \ - gfxhub_v2_0.o mmhub_v2_0.o gmc_v10_0.o gfxhub_v2_1.o mmhub_v2_3.o + gfxhub_v2_0.o mmhub_v2_0.o gmc_v10_0.o gfxhub_v2_1.o mmhub_v2_3.o \ + mmhub_v1_7.o # add UMC block amdgpu-y += \ diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c new file mode 100644 index 000000000000..fd9aebb0ca2d --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.c @@ -0,0 +1,598 @@ +/* + * 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 "amdgpu_ras.h" +#include "mmhub_v1_7.h" + +#include "mmhub/mmhub_1_7_offset.h" +#include "mmhub/mmhub_1_7_sh_mask.h" +#include "vega10_enum.h" + +#include "soc15_common.h" + +#define EA_EDC_CNT_MASK 0x3 +#define EA_EDC_CNT_SHIFT 0x2 + +#define regVM_L2_CNTL3_DEFAULT 0x80100007 +#define regVM_L2_CNTL4_DEFAULT 0x000000c1 + +u64 mmhub_v1_7_get_fb_location(struct amdgpu_device *adev) +{ + u64 base = RREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE); + u64 top = RREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP); + + base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK; + base <<= 24; + + top &= MC_VM_FB_LOCATION_TOP__FB_TOP_MASK; + top <<= 24; + + adev->gmc.fb_start = base; + adev->gmc.fb_end = top; + + return base; +} + +void mmhub_v1_7_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, + uint64_t page_table_base) +{ + /* two registers distance between regVM_CONTEXT0_* to regVM_CONTEXT1_* */ + int offset = regVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 + - regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32; + + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32, + offset * vmid, lower_32_bits(page_table_base)); + + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32, + offset * vmid, upper_32_bits(page_table_base)); +} + +static void mmhub_v1_7_init_gart_aperture_regs(struct amdgpu_device *adev) +{ + uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo); + + mmhub_v1_7_setup_vm_pt_regs(adev, 0, pt_base); + + WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32, + (u32)(adev->gmc.gart_start >> 12)); + WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32, + (u32)(adev->gmc.gart_start >> 44)); + + WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32, + (u32)(adev->gmc.gart_end >> 12)); + WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32, + (u32)(adev->gmc.gart_end >> 44)); +} + +static void mmhub_v1_7_init_system_aperture_regs(struct amdgpu_device *adev) +{ + uint64_t value; + uint32_t tmp; + + /* Program the AGP BAR */ + WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BASE, 0); + WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BOT, adev->gmc.agp_start >> 24); + WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_TOP, adev->gmc.agp_end >> 24); + + /* Program the system aperture low logical page number. */ + WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR, + min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18); + + WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, + max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18); + + if (amdgpu_sriov_vf(adev)) + return; + + /* Set default page address. */ + value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start + + adev->vm_manager.vram_base_offset; + WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB, + (u32)(value >> 12)); + WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB, + (u32)(value >> 44)); + + /* Program "protection fault". */ + WREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32, + (u32)(adev->dummy_page_addr >> 12)); + WREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32, + (u32)((u64)adev->dummy_page_addr >> 44)); + + tmp = RREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_CNTL2); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2, + ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1); + WREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_CNTL2, tmp); +} + +static void mmhub_v1_7_init_tlb_regs(struct amdgpu_device *adev) +{ + uint32_t tmp; + + /* Setup TLB control */ + tmp = RREG32_SOC15(MMHUB, 0, regMC_VM_MX_L1_TLB_CNTL); + + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1); + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3); + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, + ENABLE_ADVANCED_DRIVER_MODEL, 1); + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, + SYSTEM_APERTURE_UNMAPPED_ACCESS, 0); + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0); + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, + MTYPE, MTYPE_UC);/* XXX for emulation. */ + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1); + + WREG32_SOC15(MMHUB, 0, regMC_VM_MX_L1_TLB_CNTL, tmp); +} + +static void mmhub_v1_7_init_cache_regs(struct amdgpu_device *adev) +{ + uint32_t tmp; + + if (amdgpu_sriov_vf(adev)) + return; + + /* Setup L2 cache */ + tmp = RREG32_SOC15(MMHUB, 0, regVM_L2_CNTL); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1); + /* XXX for emulation, Refer to closed source code.*/ + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE, + 0); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0); + WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL, tmp); + + tmp = RREG32_SOC15(MMHUB, 0, regVM_L2_CNTL2); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1); + WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL2, tmp); + + tmp = regVM_L2_CNTL3_DEFAULT; + if (adev->gmc.translate_further) { + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 9); + } else { + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, + L2_CACHE_BIGK_FRAGMENT_SIZE, 6); + } + WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL3, tmp); + + tmp = regVM_L2_CNTL4_DEFAULT; + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0); + WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL4, tmp); +} + +static void mmhub_v1_7_enable_system_domain(struct amdgpu_device *adev) +{ + uint32_t tmp; + + tmp = RREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_CNTL); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, + RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0); + WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_CNTL, tmp); +} + +static void mmhub_v1_7_disable_identity_aperture(struct amdgpu_device *adev) +{ + if (amdgpu_sriov_vf(adev)) + return; + + WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32, + 0XFFFFFFFF); + WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32, + 0x0000000F); + + WREG32_SOC15(MMHUB, 0, + regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0); + WREG32_SOC15(MMHUB, 0, + regVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0); + + WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, + 0); + WREG32_SOC15(MMHUB, 0, regVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, + 0); +} + +static void mmhub_v1_7_setup_vmid_config(struct amdgpu_device *adev) +{ + unsigned num_level, block_size; + uint32_t tmp; + int i; + + num_level = adev->vm_manager.num_level; + block_size = adev->vm_manager.block_size; + if (adev->gmc.translate_further) + num_level -= 1; + else + block_size -= 9; + + for (i = 0; i <= 14; i++) { + tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_CNTL, i); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH, + num_level); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, + 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + PAGE_TABLE_BLOCK_SIZE, + block_size); + /* Send no-retry XNACK on fault to suppress VM fault storm. */ + tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, + RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, + !amdgpu_noretry); + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_CNTL, i, tmp); + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0); + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32, i*2, + lower_32_bits(adev->vm_manager.max_pfn - 1)); + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2, + upper_32_bits(adev->vm_manager.max_pfn - 1)); + } +} + +static void mmhub_v1_7_program_invalidation(struct amdgpu_device *adev) +{ + unsigned i; + + for (i = 0; i < 18; ++i) { + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32, + 2 * i, 0xffffffff); + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_ADDR_RANGE_HI32, + 2 * i, 0x1f); + } +} + +void mmhub_v1_7_update_power_gating(struct amdgpu_device *adev, + bool enable) +{ + if (amdgpu_sriov_vf(adev)) + return; + + if (enable && adev->pg_flags & AMD_PG_SUPPORT_MMHUB) { + if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->set_powergating_by_smu) + amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_GMC, true); + + } +} + +int mmhub_v1_7_gart_enable(struct amdgpu_device *adev) +{ + 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(MMHUB, 0, regMC_VM_FB_LOCATION_BASE, + adev->gmc.vram_start >> 24); + WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP, + adev->gmc.vram_end >> 24); + } + + /* GART Enable. */ + mmhub_v1_7_init_gart_aperture_regs(adev); + mmhub_v1_7_init_system_aperture_regs(adev); + mmhub_v1_7_init_tlb_regs(adev); + mmhub_v1_7_init_cache_regs(adev); + + mmhub_v1_7_enable_system_domain(adev); + mmhub_v1_7_disable_identity_aperture(adev); + mmhub_v1_7_setup_vmid_config(adev); + mmhub_v1_7_program_invalidation(adev); + + return 0; +} + +void mmhub_v1_7_gart_disable(struct amdgpu_device *adev) +{ + u32 tmp; + u32 i; + + /* Disable all tables */ + for (i = 0; i < 16; i++) + WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_CNTL, i, 0); + + /* Setup TLB control */ + tmp = RREG32_SOC15(MMHUB, 0, regMC_VM_MX_L1_TLB_CNTL); + tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0); + tmp = REG_SET_FIELD(tmp, + MC_VM_MX_L1_TLB_CNTL, + ENABLE_ADVANCED_DRIVER_MODEL, + 0); + WREG32_SOC15(MMHUB, 0, regMC_VM_MX_L1_TLB_CNTL, tmp); + + if (!amdgpu_sriov_vf(adev)) { + /* Setup L2 cache */ + tmp = RREG32_SOC15(MMHUB, 0, regVM_L2_CNTL); + tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0); + WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL, tmp); + WREG32_SOC15(MMHUB, 0, regVM_L2_CNTL3, 0); + } +} + +/** + * mmhub_v1_7_set_fault_enable_default - update GART/VM fault handling + * + * @adev: amdgpu_device pointer + * @value: true redirects VM faults to the default page + */ +void mmhub_v1_7_set_fault_enable_default(struct amdgpu_device *adev, bool value) +{ + u32 tmp; + + if (amdgpu_sriov_vf(adev)) + return; + + tmp = RREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_CNTL); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, + VM_L2_PROTECTION_FAULT_CNTL, + TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT, + value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + READ_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value); + if (!value) { + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_NO_RETRY_FAULT, 1); + tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL, + CRASH_ON_RETRY_FAULT, 1); + } + + WREG32_SOC15(MMHUB, 0, regVM_L2_PROTECTION_FAULT_CNTL, tmp); +} + +void mmhub_v1_7_init(struct amdgpu_device *adev) +{ + struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; + + hub->ctx0_ptb_addr_lo32 = + SOC15_REG_OFFSET(MMHUB, 0, + regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32); + hub->ctx0_ptb_addr_hi32 = + SOC15_REG_OFFSET(MMHUB, 0, + regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32); + hub->vm_inv_eng0_req = + SOC15_REG_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_REQ); + hub->vm_inv_eng0_ack = + SOC15_REG_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_ACK); + hub->vm_context0_cntl = + SOC15_REG_OFFSET(MMHUB, 0, regVM_CONTEXT0_CNTL); + hub->vm_l2_pro_fault_status = + SOC15_REG_OFFSET(MMHUB, 0, regVM_L2_PROTECTION_FAULT_STATUS); + hub->vm_l2_pro_fault_cntl = + SOC15_REG_OFFSET(MMHUB, 0, regVM_L2_PROTECTION_FAULT_CNTL); + +} + +static void mmhub_v1_7_update_medium_grain_clock_gating(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data, def1, data1, def2 = 0, data2 = 0; + + def = data = RREG32_SOC15(MMHUB, 0, regATC_L2_MISC_CG); + + def1 = data1 = RREG32_SOC15(MMHUB, 0, regDAGB0_CNTL_MISC2); + def2 = data2 = RREG32_SOC15(MMHUB, 0, regDAGB1_CNTL_MISC2); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) { + data |= ATC_L2_MISC_CG__ENABLE_MASK; + + data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + + data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + } else { + data &= ~ATC_L2_MISC_CG__ENABLE_MASK; + + data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + + data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK); + } + + if (def != data) + WREG32_SOC15(MMHUB, 0, regATC_L2_MISC_CG, data); + + if (def1 != data1) + WREG32_SOC15(MMHUB, 0, regDAGB0_CNTL_MISC2, data1); + + if (def2 != data2) + WREG32_SOC15(MMHUB, 0, regDAGB1_CNTL_MISC2, data2); +} + +static void mmhub_v1_7_update_medium_grain_light_sleep(struct amdgpu_device *adev, + bool enable) +{ + uint32_t def, data; + + def = data = RREG32_SOC15(MMHUB, 0, regATC_L2_MISC_CG); + + if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)) + data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; + else + data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK; + + if (def != data) + WREG32_SOC15(MMHUB, 0, regATC_L2_MISC_CG, data); +} + +int mmhub_v1_7_set_clockgating(struct amdgpu_device *adev, + enum amd_clockgating_state state) +{ + if (amdgpu_sriov_vf(adev)) + return 0; + + switch (adev->asic_type) { + case CHIP_ALDEBARAN: + mmhub_v1_7_update_medium_grain_clock_gating(adev, + state == AMD_CG_STATE_GATE ? true : false); + mmhub_v1_7_update_medium_grain_light_sleep(adev, + state == AMD_CG_STATE_GATE ? true : false); + break; + default: + break; + } + + return 0; +} + +void mmhub_v1_7_get_clockgating(struct amdgpu_device *adev, u32 *flags) +{ + int data, data1; + + if (amdgpu_sriov_vf(adev)) + *flags = 0; + + data = RREG32_SOC15(MMHUB, 0, regATC_L2_MISC_CG); + + data1 = RREG32_SOC15(MMHUB, 0, regDAGB0_CNTL_MISC2); + + /* AMD_CG_SUPPORT_MC_MGCG */ + if ((data & ATC_L2_MISC_CG__ENABLE_MASK) && + !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK | + DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK))) + *flags |= AMD_CG_SUPPORT_MC_MGCG; + + /* AMD_CG_SUPPORT_MC_LS */ + if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK) + *flags |= AMD_CG_SUPPORT_MC_LS; +} + +static void mmhub_v1_7_query_ras_error_count(struct amdgpu_device *adev, + void *ras_error_status) +{ + int i; + uint32_t ea0_edc_cnt, ea0_edc_cnt2; + uint32_t ea1_edc_cnt, ea1_edc_cnt2; + struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status; + + /* EDC CNT will be cleared automatically after read */ + ea0_edc_cnt = RREG32_SOC15(MMHUB, 0, regMMEA0_EDC_CNT); + ea0_edc_cnt2 = RREG32_SOC15(MMHUB, 0, regMMEA0_EDC_CNT2); + ea1_edc_cnt = RREG32_SOC15(MMHUB, 0, regMMEA1_EDC_CNT); + ea1_edc_cnt2 = RREG32_SOC15(MMHUB, 0, regMMEA1_EDC_CNT2); + + /* error count of each error type is recorded by 2 bits, + * ce and ue count in EDC_CNT + */ + for (i = 0; i < 5; i++) { + err_data->ce_count += (ea0_edc_cnt & EA_EDC_CNT_MASK); + err_data->ce_count += (ea1_edc_cnt & EA_EDC_CNT_MASK); + ea0_edc_cnt >>= EA_EDC_CNT_SHIFT; + ea1_edc_cnt >>= EA_EDC_CNT_SHIFT; + err_data->ue_count += (ea0_edc_cnt & EA_EDC_CNT_MASK); + err_data->ue_count += (ea1_edc_cnt & EA_EDC_CNT_MASK); + ea0_edc_cnt >>= EA_EDC_CNT_SHIFT; + ea1_edc_cnt >>= EA_EDC_CNT_SHIFT; + } + /* successive ue count in EDC_CNT */ + for (i = 0; i < 5; i++) { + err_data->ue_count += (ea0_edc_cnt & EA_EDC_CNT_MASK); + err_data->ue_count += (ea1_edc_cnt & EA_EDC_CNT_MASK); + ea0_edc_cnt >>= EA_EDC_CNT_SHIFT; + ea1_edc_cnt >>= EA_EDC_CNT_SHIFT; + } + + /* ce and ue count in EDC_CNT2 */ + for (i = 0; i < 3; i++) { + err_data->ce_count += (ea0_edc_cnt2 & EA_EDC_CNT_MASK); + err_data->ce_count += (ea1_edc_cnt2 & EA_EDC_CNT_MASK); + ea0_edc_cnt2 >>= EA_EDC_CNT_SHIFT; + ea1_edc_cnt2 >>= EA_EDC_CNT_SHIFT; + err_data->ue_count += (ea0_edc_cnt2 & EA_EDC_CNT_MASK); + err_data->ue_count += (ea1_edc_cnt2 & EA_EDC_CNT_MASK); + ea0_edc_cnt2 >>= EA_EDC_CNT_SHIFT; + ea1_edc_cnt2 >>= EA_EDC_CNT_SHIFT; + } + /* successive ue count in EDC_CNT2 */ + for (i = 0; i < 6; i++) { + err_data->ue_count += (ea0_edc_cnt2 & EA_EDC_CNT_MASK); + err_data->ue_count += (ea1_edc_cnt2 & EA_EDC_CNT_MASK); + ea0_edc_cnt2 >>= EA_EDC_CNT_SHIFT; + ea1_edc_cnt2 >>= EA_EDC_CNT_SHIFT; + } +} + +const struct amdgpu_mmhub_funcs mmhub_v1_7_funcs = { + .ras_late_init = amdgpu_mmhub_ras_late_init, + .query_ras_error_count = mmhub_v1_7_query_ras_error_count, +}; diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.h new file mode 100644 index 000000000000..dc2bb6cfbe73 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_7.h @@ -0,0 +1,42 @@ +/* + * Copyright 2016 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. + * + */ +#ifndef __MMHUB_V1_7_H__ +#define __MMHUB_V1_7_H__ + +extern const struct amdgpu_mmhub_funcs mmhub_v1_7_funcs; + +u64 mmhub_v1_7_get_fb_location(struct amdgpu_device *adev); +int mmhub_v1_7_gart_enable(struct amdgpu_device *adev); +void mmhub_v1_7_gart_disable(struct amdgpu_device *adev); +void mmhub_v1_7_set_fault_enable_default(struct amdgpu_device *adev, + bool value); +void mmhub_v1_7_init(struct amdgpu_device *adev); +int mmhub_v1_7_set_clockgating(struct amdgpu_device *adev, + enum amd_clockgating_state state); +void mmhub_v1_7_get_clockgating(struct amdgpu_device *adev, u32 *flags); +void mmhub_v1_7_update_power_gating(struct amdgpu_device *adev, + bool enable); +void mmhub_v1_7_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid, + uint64_t page_table_base); + +#endif -- 2.29.2 _______________________________________________ amd-gfx mailing list amd-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/amd-gfx