[PATCH 7/9] drm/amdgpu: add mmhub v1_8 support
Alex Deucher
alexander.deucher at amd.com
Fri Mar 24 21:59:47 UTC 2023
From: Le Ma <le.ma at amd.com>
Hack the mmhub 1.7 reg offset for initial support
v2: squash in header switch, CG funcs (Alex)
Signed-off-by: Le Ma <le.ma at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang 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/mmhub_v1_8.c | 477 ++++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.h | 28 ++
3 files changed, 506 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index e49b6a888c7f..dd8bc53411bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -93,7 +93,7 @@ amdgpu-y += \
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 gfxhub_v3_0.o mmhub_v3_0.o mmhub_v3_0_2.o gmc_v11_0.o \
- mmhub_v3_0_1.o gfxhub_v3_0_3.o gfxhub_v1_2.o
+ mmhub_v3_0_1.o gfxhub_v3_0_3.o gfxhub_v1_2.o mmhub_v1_8.o
# add UMC block
amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
new file mode 100644
index 000000000000..342d1702104c
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.c
@@ -0,0 +1,477 @@
+/*
+ * Copyright 2022 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_v1_8.h"
+
+#include "mmhub/mmhub_1_8_0_offset.h"
+#include "mmhub/mmhub_1_8_0_sh_mask.h"
+#include "vega10_enum.h"
+
+#include "soc15_common.h"
+#include "soc15.h"
+
+#define regVM_L2_CNTL3_DEFAULT 0x80100007
+#define regVM_L2_CNTL4_DEFAULT 0x000000c1
+
+static u64 mmhub_v1_8_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;
+}
+
+static void mmhub_v1_8_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
+ uint64_t page_table_base)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
+
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
+ hub->ctx_addr_distance * vmid, lower_32_bits(page_table_base));
+
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
+ hub->ctx_addr_distance * vmid, upper_32_bits(page_table_base));
+}
+
+static void mmhub_v1_8_init_gart_aperture_regs(struct amdgpu_device *adev)
+{
+ uint64_t pt_base;
+
+ if (adev->gmc.pdb0_bo)
+ pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo);
+ else
+ pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
+
+ mmhub_v1_8_setup_vm_pt_regs(adev, 0, pt_base);
+
+ /* If use GART for FB translation, vmid0 page table covers both
+ * vram and system memory (gart)
+ */
+ if (adev->gmc.pdb0_bo) {
+ WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
+ (u32)(adev->gmc.fb_start >> 12));
+ WREG32_SOC15(MMHUB, 0, regVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
+ (u32)(adev->gmc.fb_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));
+
+ } else {
+ 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_8_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);
+
+ /* In the case squeezing vram into GART aperture, we don't use
+ * FB aperture and AGP aperture. Disable them.
+ */
+ if (adev->gmc.pdb0_bo) {
+ WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_BOT, 0xFFFFFF);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_AGP_TOP, 0);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_TOP, 0);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
+ WREG32_SOC15(MMHUB, 0, regMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
+ }
+ if (amdgpu_sriov_vf(adev))
+ return;
+
+ /* Set default page address. */
+ value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
+ 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_8_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,
+ 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_8_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;
+ if (adev->gmc.xgmi.connected_to_cpu) {
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4,
+ VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
+ tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4,
+ VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
+ } else {
+ 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_8_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,
+ adev->gmc.vmid0_page_table_depth);
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE,
+ adev->gmc.vmid0_page_table_block_size);
+ 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_8_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_8_setup_vmid_config(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
+ 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);
+ /* On Aldebaran, XNACK can be enabled in the SQ per-process.
+ * Retry faults need to be enabled for that to work.
+ */
+ tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
+ 1);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_CNTL,
+ i * hub->ctx_distance, tmp);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_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, regVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
+ i * hub->ctx_addr_distance,
+ upper_32_bits(adev->vm_manager.max_pfn - 1));
+ }
+}
+
+static void mmhub_v1_8_program_invalidation(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
+ unsigned i;
+
+ for (i = 0; i < 18; ++i) {
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
+ i * hub->eng_addr_distance, 0xffffffff);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
+ i * hub->eng_addr_distance, 0x1f);
+ }
+}
+
+static int mmhub_v1_8_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_8_init_gart_aperture_regs(adev);
+ mmhub_v1_8_init_system_aperture_regs(adev);
+ mmhub_v1_8_init_tlb_regs(adev);
+ mmhub_v1_8_init_cache_regs(adev);
+
+ mmhub_v1_8_enable_system_domain(adev);
+ mmhub_v1_8_disable_identity_aperture(adev);
+ mmhub_v1_8_setup_vmid_config(adev);
+ mmhub_v1_8_program_invalidation(adev);
+
+ return 0;
+}
+
+static void mmhub_v1_8_gart_disable(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0];
+ u32 tmp;
+ u32 i;
+
+ /* Disable all tables */
+ for (i = 0; i < 16; i++)
+ WREG32_SOC15_OFFSET(MMHUB, 0, regVM_CONTEXT0_CNTL,
+ i * hub->ctx_distance, 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_8_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_v1_8_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);
+}
+
+static void mmhub_v1_8_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);
+
+ hub->ctx_distance = regVM_CONTEXT1_CNTL - regVM_CONTEXT0_CNTL;
+ hub->ctx_addr_distance = regVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
+ regVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
+ hub->eng_distance = regVM_INVALIDATE_ENG1_REQ - regVM_INVALIDATE_ENG0_REQ;
+ hub->eng_addr_distance = regVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
+ regVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
+
+}
+
+static int mmhub_v1_8_set_clockgating(struct amdgpu_device *adev,
+ enum amd_clockgating_state state)
+{
+ return 0;
+}
+
+static void mmhub_v1_8_get_clockgating(struct amdgpu_device *adev, u64 *flags)
+{
+
+}
+
+const struct amdgpu_mmhub_funcs mmhub_v1_8_funcs = {
+ .get_fb_location = mmhub_v1_8_get_fb_location,
+ .init = mmhub_v1_8_init,
+ .gart_enable = mmhub_v1_8_gart_enable,
+ .set_fault_enable_default = mmhub_v1_8_set_fault_enable_default,
+ .gart_disable = mmhub_v1_8_gart_disable,
+ .setup_vm_pt_regs = mmhub_v1_8_setup_vm_pt_regs,
+ .set_clockgating = mmhub_v1_8_set_clockgating,
+ .get_clockgating = mmhub_v1_8_get_clockgating,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.h
new file mode 100644
index 000000000000..0bb36200e4e5
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_8.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2022 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_8_H__
+#define __MMHUB_V1_8_H__
+
+extern const struct amdgpu_mmhub_funcs mmhub_v1_8_funcs;
+
+#endif
--
2.39.2
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