[PATCH 2/2] drm/amdgpu: Add mmhub v4_1_0 ip block support (v4)
Alex Deucher
alexander.deucher at amd.com
Thu Apr 25 19:56:48 UTC 2024
From: Hawking Zhang <Hawking.Zhang at amd.com>
Add initial support for MMHUB 4.1.0.
v1: Add mmhub v4_1_0 ip block support.
v2: Switch to AMDGPU_MMHUB0(0).
v3: squash in fix for ip version check (Alex)
v4: squash in vm_contexts_disable fix (Alex)
Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
Reviewed-by: Likun Gao <Likun.Gao 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_v4_1_0.c | 654 ++++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.h | 28 +
3 files changed, 683 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 240c86f54ce8..52e21ea7252d 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -116,7 +116,7 @@ amdgpu-y += \
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_v1_8.o mmhub_v3_3.o \
- gfxhub_v11_5_0.o
+ gfxhub_v11_5_0.o mmhub_v4_1_0.o
# add UMC block
amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.c
new file mode 100644
index 000000000000..5bbaa2b2caab
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.c
@@ -0,0 +1,654 @@
+/*
+ * Copyright 2023 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_v4_1_0.h"
+
+#include "mmhub/mmhub_4_1_0_offset.h"
+#include "mmhub/mmhub_4_1_0_sh_mask.h"
+
+#include "soc15_common.h"
+#include "soc24_enum.h"
+
+#define regMMVM_L2_CNTL3_DEFAULT 0x80100007
+#define regMMVM_L2_CNTL4_DEFAULT 0x000000c1
+#define regMMVM_L2_CNTL5_DEFAULT 0x00003fe0
+
+static const char *mmhub_client_ids_v4_1_0[][2] = {
+ [0][0] = "VMC",
+ [4][0] = "DCEDMC",
+ [5][0] = "DCEVGA",
+ [6][0] = "MP0",
+ [7][0] = "MP1",
+ [8][0] = "MPIO",
+ [16][0] = "HDP",
+ [17][0] = "LSDMA",
+ [18][0] = "JPEG",
+ [19][0] = "VCNU0",
+ [21][0] = "VSCH",
+ [22][0] = "VCNU1",
+ [23][0] = "VCN1",
+ [32+20][0] = "VCN0",
+ [2][1] = "DBGUNBIO",
+ [3][1] = "DCEDWB",
+ [4][1] = "DCEDMC",
+ [5][1] = "DCEVGA",
+ [6][1] = "MP0",
+ [7][1] = "MP1",
+ [8][1] = "MPIO",
+ [10][1] = "DBGU0",
+ [11][1] = "DBGU1",
+ [12][1] = "DBGU2",
+ [13][1] = "DBGU3",
+ [14][1] = "XDP",
+ [15][1] = "OSSSYS",
+ [16][1] = "HDP",
+ [17][1] = "LSDMA",
+ [18][1] = "JPEG",
+ [19][1] = "VCNU0",
+ [20][1] = "VCN0",
+ [21][1] = "VSCH",
+ [22][1] = "VCNU1",
+ [23][1] = "VCN1",
+};
+
+static uint32_t mmhub_v4_1_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, MMVM_INVALIDATE_ENG0_REQ,
+ PER_VMID_INVALIDATE_REQ, 1 << vmid);
+ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
+ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
+ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
+ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
+ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
+ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
+ req = REG_SET_FIELD(req, MMVM_INVALIDATE_ENG0_REQ,
+ CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
+
+ return req;
+}
+
+static void
+mmhub_v4_1_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
+ uint32_t status)
+{
+ uint32_t cid, rw;
+ const char *mmhub_cid = NULL;
+
+ cid = REG_GET_FIELD(status,
+ MMVM_L2_PROTECTION_FAULT_STATUS_LO32, CID);
+ rw = REG_GET_FIELD(status,
+ MMVM_L2_PROTECTION_FAULT_STATUS_LO32, RW);
+
+ dev_err(adev->dev,
+ "MMVM_L2_PROTECTION_FAULT_STATUS_LO32:0x%08X\n",
+ status);
+ switch (adev->ip_versions[MMHUB_HWIP][0]) {
+ case IP_VERSION(4, 1, 0):
+ mmhub_cid = mmhub_client_ids_v4_1_0[cid][rw];
+ break;
+ default:
+ mmhub_cid = NULL;
+ break;
+ }
+ dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
+ mmhub_cid ? mmhub_cid : "unknown", cid);
+ dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
+ REG_GET_FIELD(status,
+ MMVM_L2_PROTECTION_FAULT_STATUS_LO32, MORE_FAULTS));
+ dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
+ REG_GET_FIELD(status,
+ MMVM_L2_PROTECTION_FAULT_STATUS_LO32, WALKER_ERROR));
+ dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
+ REG_GET_FIELD(status,
+ MMVM_L2_PROTECTION_FAULT_STATUS_LO32, PERMISSION_FAULTS));
+ dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
+ REG_GET_FIELD(status,
+ MMVM_L2_PROTECTION_FAULT_STATUS_LO32, MAPPING_ERROR));
+ dev_err(adev->dev, "\t RW: 0x%x\n", rw);
+}
+
+static void mmhub_v4_1_0_setup_vm_pt_regs(struct amdgpu_device *adev,
+ uint32_t vmid, uint64_t page_table_base)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
+
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
+ hub->ctx_addr_distance * vmid,
+ lower_32_bits(page_table_base));
+
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
+ hub->ctx_addr_distance * vmid,
+ upper_32_bits(page_table_base));
+}
+
+static void mmhub_v4_1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
+{
+ uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
+
+ mmhub_v4_1_0_setup_vm_pt_regs(adev, 0, pt_base);
+
+ WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
+ (u32)(adev->gmc.gart_start >> 12));
+ WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
+ (u32)(adev->gmc.gart_start >> 44));
+
+ WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
+ (u32)(adev->gmc.gart_end >> 12));
+ WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
+ (u32)(adev->gmc.gart_end >> 44));
+}
+
+static void mmhub_v4_1_0_init_system_aperture_regs(struct amdgpu_device *adev)
+{
+ uint64_t value;
+ uint32_t tmp;
+
+ /*
+ * the new L1 policy will block SRIOV guest from writing
+ * these regs, and they will be programed at host.
+ * so skip programing these regs.
+ */
+ if (amdgpu_sriov_vf(adev))
+ return;
+
+ /* Program the AGP BAR */
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BASE, 0);
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
+
+ /* Program the system aperture low logical page number. */
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_LOW_ADDR,
+ min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+ max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
+
+ /* Set default page address. */
+ value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start +
+ adev->vm_manager.vram_base_offset;
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
+ (u32)(value >> 12));
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
+ (u32)(value >> 44));
+
+ /* Program "protection fault". */
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
+ (u32)(adev->dummy_page_addr >> 12));
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
+ (u32)((u64)adev->dummy_page_addr >> 44));
+
+ tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL2,
+ ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL2, tmp);
+}
+
+static void mmhub_v4_1_0_init_tlb_regs(struct amdgpu_device *adev)
+{
+ uint32_t tmp;
+
+ /* Setup TLB control */
+ tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL);
+
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
+ ENABLE_ADVANCED_DRIVER_MODEL, 1);
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
+ SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
+ MTYPE, MTYPE_UC); /* UC, uncached */
+
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp);
+}
+
+static void mmhub_v4_1_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(MMHUB, 0, regMMVM_L2_CNTL);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL,
+ ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
+ /* XXX for emulation, Refer to closed source code.*/
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
+ 0);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp);
+
+ tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL2, tmp);
+
+ tmp = regMMVM_L2_CNTL3_DEFAULT;
+ if (adev->gmc.translate_further) {
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 12);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
+ L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
+ } else {
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3, BANK_SELECT, 9);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL3,
+ L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
+ }
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, tmp);
+
+ tmp = regMMVM_L2_CNTL4_DEFAULT;
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL4, tmp);
+
+ tmp = regMMVM_L2_CNTL5_DEFAULT;
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL5, tmp);
+}
+
+static void mmhub_v4_1_0_enable_system_domain(struct amdgpu_device *adev)
+{
+ uint32_t tmp;
+
+ tmp = RREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT0_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
+ WREG32_SOC15(MMHUB, 0, regMMVM_CONTEXT0_CNTL, tmp);
+}
+
+static void mmhub_v4_1_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(MMHUB, 0,
+ regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
+ 0xFFFFFFFF);
+ WREG32_SOC15(MMHUB, 0,
+ regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
+ 0x0000000F);
+
+ WREG32_SOC15(MMHUB, 0,
+ regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
+ WREG32_SOC15(MMHUB, 0,
+ regMMVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
+
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
+ 0);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
+ 0);
+}
+
+static void mmhub_v4_1_0_setup_vmid_config(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
+ int i;
+ uint32_t tmp;
+
+ for (i = 0; i <= 14; i++) {
+ tmp = RREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL, i);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
+ adev->vm_manager.num_level);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
+ RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
+ DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
+ 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
+ PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
+ VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
+ READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
+ WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_CONTEXT1_CNTL,
+ EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_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, MMVM_CONTEXT1_CNTL,
+ RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
+ !amdgpu_noretry);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_CNTL,
+ i * hub->ctx_distance, tmp);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
+ i * hub->ctx_addr_distance, 0);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_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, regMMVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
+ i * hub->ctx_addr_distance,
+ upper_32_bits(adev->vm_manager.max_pfn - 1));
+ }
+
+ hub->vm_cntx_cntl = tmp;
+}
+
+static void mmhub_v4_1_0_program_invalidation(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
+ unsigned i;
+
+ for (i = 0; i < 18; ++i) {
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
+ i * hub->eng_addr_distance, 0xffffffff);
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
+ i * hub->eng_addr_distance, 0x1f);
+ }
+}
+
+static int mmhub_v4_1_0_gart_enable(struct amdgpu_device *adev)
+{
+ /* GART Enable. */
+ mmhub_v4_1_0_init_gart_aperture_regs(adev);
+ mmhub_v4_1_0_init_system_aperture_regs(adev);
+ mmhub_v4_1_0_init_tlb_regs(adev);
+ mmhub_v4_1_0_init_cache_regs(adev);
+
+ mmhub_v4_1_0_enable_system_domain(adev);
+ mmhub_v4_1_0_disable_identity_aperture(adev);
+ mmhub_v4_1_0_setup_vmid_config(adev);
+ mmhub_v4_1_0_program_invalidation(adev);
+
+ return 0;
+}
+
+static void mmhub_v4_1_0_gart_disable(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
+ u32 tmp;
+ u32 i;
+
+ /* Disable all tables */
+ for (i = 0; i < 16; i++)
+ WREG32_SOC15_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL,
+ i * hub->ctx_distance, 0);
+
+ /* Setup TLB control */
+ tmp = RREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL);
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
+ tmp = REG_SET_FIELD(tmp, MMMC_VM_MX_L1_TLB_CNTL,
+ ENABLE_ADVANCED_DRIVER_MODEL, 0);
+ WREG32_SOC15(MMHUB, 0, regMMMC_VM_MX_L1_TLB_CNTL, tmp);
+
+ /* Setup L2 cache */
+ tmp = RREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_CNTL, ENABLE_L2_CACHE, 0);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL, tmp);
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_CNTL3, 0);
+}
+
+/**
+ * mmhub_v4_1_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
+mmhub_v4_1_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(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
+ value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
+ if (!value) {
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ CRASH_ON_NO_RETRY_FAULT, 1);
+ tmp = REG_SET_FIELD(tmp, MMVM_L2_PROTECTION_FAULT_CNTL,
+ CRASH_ON_RETRY_FAULT, 1);
+ }
+ WREG32_SOC15(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL, tmp);
+}
+
+static const struct amdgpu_vmhub_funcs mmhub_v4_1_0_vmhub_funcs = {
+ .print_l2_protection_fault_status = mmhub_v4_1_0_print_l2_protection_fault_status,
+ .get_invalidate_req = mmhub_v4_1_0_get_invalidate_req,
+};
+
+static void mmhub_v4_1_0_init(struct amdgpu_device *adev)
+{
+ struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
+
+ hub->ctx0_ptb_addr_lo32 =
+ SOC15_REG_OFFSET(MMHUB, 0,
+ regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
+ hub->ctx0_ptb_addr_hi32 =
+ SOC15_REG_OFFSET(MMHUB, 0,
+ regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+ hub->vm_inv_eng0_sem =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_SEM);
+ hub->vm_inv_eng0_req =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_REQ);
+ hub->vm_inv_eng0_ack =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_INVALIDATE_ENG0_ACK);
+ hub->vm_context0_cntl =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXT0_CNTL);
+ hub->vm_l2_pro_fault_status =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_STATUS_LO32);
+ hub->vm_l2_pro_fault_cntl =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_PROTECTION_FAULT_CNTL);
+
+ hub->ctx_distance = regMMVM_CONTEXT1_CNTL - regMMVM_CONTEXT0_CNTL;
+ hub->ctx_addr_distance = regMMVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
+ regMMVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
+ hub->eng_distance = regMMVM_INVALIDATE_ENG1_REQ -
+ regMMVM_INVALIDATE_ENG0_REQ;
+ hub->eng_addr_distance = regMMVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
+ regMMVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
+
+ hub->vm_cntx_cntl_vm_fault = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
+ MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
+
+ hub->vm_l2_bank_select_reserved_cid2 =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_L2_BANK_SELECT_RESERVED_CID2);
+
+ hub->vm_contexts_disable =
+ SOC15_REG_OFFSET(MMHUB, 0, regMMVM_CONTEXTS_DISABLE);
+
+ hub->vmhub_funcs = &mmhub_v4_1_0_vmhub_funcs;
+}
+
+static u64 mmhub_v4_1_0_get_fb_location(struct amdgpu_device *adev)
+{
+ u64 base;
+
+ base = RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_LOCATION_BASE);
+
+ base &= MMMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
+ base <<= 24;
+
+ return base;
+}
+
+static u64 mmhub_v4_1_0_get_mc_fb_offset(struct amdgpu_device *adev)
+{
+ return (u64)RREG32_SOC15(MMHUB, 0, regMMMC_VM_FB_OFFSET) << 24;
+}
+
+static void
+mmhub_v4_1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
+ bool enable)
+{
+#if 0
+ uint32_t def, data;
+#endif
+ uint32_t def1, data1, def2 = 0, data2 = 0;
+#if 0
+ def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG);
+#endif
+ def1 = data1 = RREG32_SOC15(MMHUB, 0, regDAGB0_CNTL_MISC2);
+ def2 = data2 = RREG32_SOC15(MMHUB, 0, regDAGB1_CNTL_MISC2);
+
+ if (enable) {
+#if 0
+ data |= MM_ATC_L2_MISC_CG__ENABLE_MASK;
+#endif
+ data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK);
+
+ data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK);
+ } else {
+#if 0
+ data &= ~MM_ATC_L2_MISC_CG__ENABLE_MASK;
+#endif
+ data1 |= (DAGB0_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK |
+ DAGB0_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK);
+
+ data2 |= (DAGB1_CNTL_MISC2__DISABLE_RDRET_TAP_CHAIN_FGCG_MASK |
+ DAGB1_CNTL_MISC2__DISABLE_WRRET_TAP_CHAIN_FGCG_MASK);
+ }
+
+#if 0
+ if (def != data)
+ WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data);
+#endif
+ 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_v4_1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
+ bool enable)
+{
+#if 0
+ uint32_t def, data;
+
+ def = data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG);
+
+ if (enable)
+ data |= MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+ else
+ data &= ~MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
+
+ if (def != data)
+ WREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG, data);
+#endif
+}
+
+static int mmhub_v4_1_0_set_clockgating(struct amdgpu_device *adev,
+ enum amd_clockgating_state state)
+{
+ if (amdgpu_sriov_vf(adev))
+ return 0;
+
+ if (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)
+ mmhub_v4_1_0_update_medium_grain_clock_gating(adev,
+ state == AMD_CG_STATE_GATE);
+
+ if (adev->cg_flags & AMD_CG_SUPPORT_MC_LS)
+ mmhub_v4_1_0_update_medium_grain_light_sleep(adev,
+ state == AMD_CG_STATE_GATE);
+
+ return 0;
+}
+
+static void mmhub_v4_1_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
+{
+#if 0
+ int data;
+
+ if (amdgpu_sriov_vf(adev))
+ *flags = 0;
+
+ data = RREG32_SOC15(MMHUB, 0, regMM_ATC_L2_MISC_CG);
+
+ /* AMD_CG_SUPPORT_MC_MGCG */
+ if (data & MM_ATC_L2_MISC_CG__ENABLE_MASK)
+ *flags |= AMD_CG_SUPPORT_MC_MGCG;
+
+ /* AMD_CG_SUPPORT_MC_LS */
+ if (data & MM_ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
+ *flags |= AMD_CG_SUPPORT_MC_LS;
+#endif
+}
+
+const struct amdgpu_mmhub_funcs mmhub_v4_1_0_funcs = {
+ .init = mmhub_v4_1_0_init,
+ .get_fb_location = mmhub_v4_1_0_get_fb_location,
+ .get_mc_fb_offset = mmhub_v4_1_0_get_mc_fb_offset,
+ .gart_enable = mmhub_v4_1_0_gart_enable,
+ .set_fault_enable_default = mmhub_v4_1_0_set_fault_enable_default,
+ .gart_disable = mmhub_v4_1_0_gart_disable,
+ .set_clockgating = mmhub_v4_1_0_set_clockgating,
+ .get_clockgating = mmhub_v4_1_0_get_clockgating,
+ .setup_vm_pt_regs = mmhub_v4_1_0_setup_vm_pt_regs,
+};
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.h b/drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.h
new file mode 100644
index 000000000000..3902d653353c
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v4_1_0.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2023 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_V4_1_0_H__
+#define __MMHUB_V4_1_0_H__
+
+extern const struct amdgpu_mmhub_funcs mmhub_v4_1_0_funcs;
+
+#endif
--
2.44.0
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