[PATCH] drm/amdgpu: add gfxhub v3_0 ip block
Alex Deucher
alexander.deucher at amd.com
Thu Apr 28 18:49:27 UTC 2022
From: "Tianci.Yin" <tianci.yin at amd.com>
Add support for gfxhub v3.0
Signed-off-by: Tianci.Yin <tianci.yin at amd.com>
Signed-off-by: Likun Gao <Likun.Gao at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 2 +-
drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c | 509 +++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.h | 29 ++
3 files changed, 539 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 93b83dd3978e..5d447a38e63c 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -88,7 +88,7 @@ amdgpu-y += \
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 \
- mmhub_v1_7.o
+ mmhub_v1_7.o gfxhub_v3_0.o
# add UMC block
amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c
new file mode 100644
index 000000000000..47f0e4daa466
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.c
@@ -0,0 +1,509 @@
+/*
+ * Copyright 2021 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_v3_0.h"
+
+#include "gc/gc_11_0_0_offset.h"
+#include "gc/gc_11_0_0_sh_mask.h"
+#include "navi10_enum.h"
+#include "soc15_common.h"
+
+#define regGCVM_L2_CNTL3_DEFAULT 0x80100007
+#define regGCVM_L2_CNTL4_DEFAULT 0x000000c1
+#define regGCVM_L2_CNTL5_DEFAULT 0x00003fe0
+
+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_v3_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_v3_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_v3_0_get_fb_location(struct amdgpu_device *adev)
+{
+ u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE);
+
+ base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
+ base <<= 24;
+
+ return base;
+}
+
+static u64 gfxhub_v3_0_get_mc_fb_offset(struct amdgpu_device *adev)
+{
+ return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24;
+}
+
+static void gfxhub_v3_0_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, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
+ hub->ctx_addr_distance * vmid,
+ lower_32_bits(page_table_base));
+
+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
+ hub->ctx_addr_distance * vmid,
+ upper_32_bits(page_table_base));
+}
+
+static void gfxhub_v3_0_init_gart_aperture_regs(struct amdgpu_device *adev)
+{
+ uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
+
+ gfxhub_v3_0_setup_vm_pt_regs(adev, 0, pt_base);
+
+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
+ (u32)(adev->gmc.gart_start >> 12));
+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
+ (u32)(adev->gmc.gart_start >> 44));
+
+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
+ (u32)(adev->gmc.gart_end >> 12));
+ WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
+ (u32)(adev->gmc.gart_end >> 44));
+}
+
+static void gfxhub_v3_0_init_system_aperture_regs(struct amdgpu_device *adev)
+{
+ uint64_t value;
+
+ /* Disable AGP. */
+ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);
+ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, 0);
+ WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, 0x00FFFFFF);
+
+ /* Program the system aperture low logical page number. */
+ WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
+ adev->gmc.vram_start >> 18);
+ WREG32_SOC15(GC, 0, regGCMC_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, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
+ (u32)(value >> 12));
+ WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
+ (u32)(value >> 44));
+
+ /* Program "protection fault". */
+ WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
+ (u32)(adev->dummy_page_addr >> 12));
+ WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
+ (u32)((u64)adev->dummy_page_addr >> 44));
+
+ WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
+ ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
+}
+
+
+static void gfxhub_v3_0_init_tlb_regs(struct amdgpu_device *adev)
+{
+ uint32_t tmp;
+
+ /* Setup TLB control */
+ tmp = RREG32_SOC15(GC, 0, regGCMC_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, ECO_BITS, 0);
+ tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
+ MTYPE, MTYPE_UC); /* UC, uncached */
+
+ WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
+}
+
+static void gfxhub_v3_0_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, regGCVM_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, regGCVM_L2_CNTL, tmp);
+
+ tmp = RREG32_SOC15(GC, 0, regGCVM_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, regGCVM_L2_CNTL2, tmp);
+
+ tmp = regGCVM_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, regGCVM_L2_CNTL3, tmp);
+
+ tmp = regGCVM_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, regGCVM_L2_CNTL4, tmp);
+
+ tmp = regGCVM_L2_CNTL5_DEFAULT;
+ tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp);
+}
+
+static void gfxhub_v3_0_enable_system_domain(struct amdgpu_device *adev)
+{
+ uint32_t tmp;
+
+ tmp = RREG32_SOC15(GC, 0, regGCVM_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, regGCVM_CONTEXT0_CNTL, tmp);
+}
+
+static void gfxhub_v3_0_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, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
+ 0xFFFFFFFF);
+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
+ 0x0000000F);
+
+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
+ 0);
+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
+ 0);
+
+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
+ WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
+
+}
+
+static void gfxhub_v3_0_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, regGCVM_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,
+ !amdgpu_noretry);
+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL,
+ i * hub->ctx_distance, tmp);
+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_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, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
+ i * hub->ctx_addr_distance,
+ upper_32_bits(adev->vm_manager.max_pfn - 1));
+ }
+}
+
+static void gfxhub_v3_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, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
+ i * hub->eng_addr_distance, 0xffffffff);
+ WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
+ i * hub->eng_addr_distance, 0x1f);
+ }
+}
+
+static int gfxhub_v3_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, regGCMC_VM_FB_LOCATION_BASE,
+ adev->gmc.vram_start >> 24);
+ WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP,
+ adev->gmc.vram_end >> 24);
+ }
+
+ /* GART Enable. */
+ gfxhub_v3_0_init_gart_aperture_regs(adev);
+ gfxhub_v3_0_init_system_aperture_regs(adev);
+ gfxhub_v3_0_init_tlb_regs(adev);
+ gfxhub_v3_0_init_cache_regs(adev);
+
+ gfxhub_v3_0_enable_system_domain(adev);
+ gfxhub_v3_0_disable_identity_aperture(adev);
+ gfxhub_v3_0_setup_vmid_config(adev);
+ gfxhub_v3_0_program_invalidation(adev);
+
+ return 0;
+}
+
+static void gfxhub_v3_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, regGCVM_CONTEXT0_CNTL,
+ i * hub->ctx_distance, 0);
+
+ /* Setup TLB control */
+ tmp = RREG32_SOC15(GC, 0, regGCMC_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, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
+
+ /* Setup L2 cache */
+ WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
+ WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0);
+}
+
+/**
+ * gfxhub_v3_0_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_v3_0_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, regGCVM_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, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
+}
+
+static const struct amdgpu_vmhub_funcs gfxhub_v3_0_vmhub_funcs = {
+ .print_l2_protection_fault_status = gfxhub_v3_0_print_l2_protection_fault_status,
+ .get_invalidate_req = gfxhub_v3_0_get_invalidate_req,
+};
+
+static void gfxhub_v3_0_init(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
+
+ hub->ctx0_ptb_addr_lo32 =
+ SOC15_REG_OFFSET(GC, 0,
+ regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
+ hub->ctx0_ptb_addr_hi32 =
+ SOC15_REG_OFFSET(GC, 0,
+ regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+ hub->vm_inv_eng0_sem =
+ SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM);
+ hub->vm_inv_eng0_req =
+ SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ);
+ hub->vm_inv_eng0_ack =
+ SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK);
+ hub->vm_context0_cntl =
+ SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL);
+ hub->vm_l2_pro_fault_status =
+ SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS);
+ hub->vm_l2_pro_fault_cntl =
+ SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);
+
+ hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL;
+ hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
+ regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
+ hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ -
+ regGCVM_INVALIDATE_ENG0_REQ;
+ hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
+ regGCVM_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_v3_0_vmhub_funcs;
+}
+
+const struct amdgpu_gfxhub_funcs gfxhub_v3_0_funcs = {
+ .get_fb_location = gfxhub_v3_0_get_fb_location,
+ .get_mc_fb_offset = gfxhub_v3_0_get_mc_fb_offset,
+ .setup_vm_pt_regs = gfxhub_v3_0_setup_vm_pt_regs,
+ .gart_enable = gfxhub_v3_0_gart_enable,
+ .gart_disable = gfxhub_v3_0_gart_disable,
+ .set_fault_enable_default = gfxhub_v3_0_set_fault_enable_default,
+ .init = gfxhub_v3_0_init,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.h b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.h
new file mode 100644
index 000000000000..ea345e4e072a
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2021 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 __GFXHUB_V3_0_H__
+#define __GFXHUB_V3_0_H__
+
+extern const struct amdgpu_gfxhub_funcs gfxhub_v3_0_funcs;
+
+#endif
--
2.35.1
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