[PATCH] drm/amdgpu: rename gfxhub_v1_0 to gchub_v9_0

Hawking Zhang Hawking.Zhang at amd.com
Thu Jul 20 03:26:37 UTC 2017


Change-Id: I32d98b77b8da6b180dd365ff7f99c08e8aa061b1
Signed-off-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/Makefile      |   2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c   |  10 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h   |   2 +-
 drivers/gpu/drm/amd/amdgpu/gchub_v9_0.c  | 343 +++++++++++++++++++++++++++++++
 drivers/gpu/drm/amd/amdgpu/gchub_v9_0.h  |  36 ++++
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c    |   6 +-
 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 343 -------------------------------
 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h |  36 ----
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c    |  20 +-
 drivers/gpu/drm/amd/amdgpu/soc15.c       |   2 +-
 10 files changed, 400 insertions(+), 400 deletions(-)
 create mode 100644 drivers/gpu/drm/amd/amdgpu/gchub_v9_0.c
 create mode 100644 drivers/gpu/drm/amd/amdgpu/gchub_v9_0.h
 delete mode 100644 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
 delete mode 100644 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h

diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 1143f1a..04d3952 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -48,7 +48,7 @@ amdgpu-y += \
 amdgpu-y += \
 	gmc_v7_0.o \
 	gmc_v8_0.o \
-	gfxhub_v1_0.o mmhub_v1_0.o gmc_v9_0.o
+	gchub_v9_0.o mmhub_v1_0.o gmc_v9_0.o
 
 # add IH block
 amdgpu-y += \
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 400f3ff..1177dc8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2494,7 +2494,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	vm->vm_context = vm_context;
 	if (vm_context == AMDGPU_VM_CONTEXT_COMPUTE) {
 		struct amdgpu_vm_id_manager *id_mgr =
-				&adev->vm_manager.id_mgr[AMDGPU_GFXHUB];
+				&adev->vm_manager.id_mgr[AMDGPU_GCHUB];
 
 		mutex_lock(&id_mgr->lock);
 
@@ -2564,7 +2564,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 
 	if (vm->vm_context == AMDGPU_VM_CONTEXT_COMPUTE) {
 		struct amdgpu_vm_id_manager *id_mgr =
-				&adev->vm_manager.id_mgr[AMDGPU_GFXHUB];
+				&adev->vm_manager.id_mgr[AMDGPU_GCHUB];
 
 		mutex_lock(&id_mgr->lock);
 		WARN(adev->vm_manager.n_compute_vms == 0, "Unbalanced number of Compute VMs");
@@ -2699,14 +2699,14 @@ int amdgpu_vm_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 
 	switch (args->in.op) {
 	case AMDGPU_VM_OP_RESERVE_VMID:
-		/* current, we only have requirement to reserve vmid from gfxhub */
+		/* current, we only have requirement to reserve vmid from gchub */
 		r = amdgpu_vm_alloc_reserved_vmid(adev, &fpriv->vm,
-						  AMDGPU_GFXHUB);
+						  AMDGPU_GCHUB);
 		if (r)
 			return r;
 		break;
 	case AMDGPU_VM_OP_UNRESERVE_VMID:
-		amdgpu_vm_free_reserved_vmid(adev, &fpriv->vm, AMDGPU_GFXHUB);
+		amdgpu_vm_free_reserved_vmid(adev, &fpriv->vm, AMDGPU_GCHUB);
 		break;
 	default:
 		return -EINVAL;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 8bc173a..d27240a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -79,7 +79,7 @@ struct amdgpu_bo_list_entry;
 
 /* max number of VMHUB */
 #define AMDGPU_MAX_VMHUBS			2
-#define AMDGPU_GFXHUB				0
+#define AMDGPU_GCHUB				0
 #define AMDGPU_MMHUB				1
 
 /* hardcode that limit for now */
diff --git a/drivers/gpu/drm/amd/amdgpu/gchub_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gchub_v9_0.c
new file mode 100644
index 0000000..44945f0
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gchub_v9_0.c
@@ -0,0 +1,343 @@
+/*
+ * 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.
+ *
+ */
+#include "amdgpu.h"
+#include "gchub_v9_0.h"
+
+#include "vega10/soc15ip.h"
+#include "vega10/GC/gc_9_0_offset.h"
+#include "vega10/GC/gc_9_0_sh_mask.h"
+#include "vega10/GC/gc_9_0_default.h"
+#include "vega10/vega10_enum.h"
+
+#include "soc15_common.h"
+
+u64 gchub_v9_0_get_mc_fb_offset(struct amdgpu_device *adev)
+{
+	return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24;
+}
+
+static void gchub_v9_0_init_gart_pt_regs(struct amdgpu_device *adev)
+{
+	uint64_t value;
+
+	BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
+	value = adev->gart.table_addr - adev->mc.vram_start
+		+ adev->vm_manager.vram_base_offset;
+	value &= 0x0000FFFFFFFFF000ULL;
+	value |= 0x1; /*valid bit*/
+
+	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
+		     lower_32_bits(value));
+
+	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
+		     upper_32_bits(value));
+}
+
+static void gchub_v9_0_init_gart_aperture_regs(struct amdgpu_device *adev)
+{
+	gchub_v9_0_init_gart_pt_regs(adev);
+
+	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
+		     (u32)(adev->mc.gart_start >> 12));
+	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
+		     (u32)(adev->mc.gart_start >> 44));
+
+	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
+		     (u32)(adev->mc.gart_end >> 12));
+	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
+		     (u32)(adev->mc.gart_end >> 44));
+}
+
+static void gchub_v9_0_init_system_aperture_regs(struct amdgpu_device *adev)
+{
+	uint64_t value;
+
+	/* Disable AGP. */
+	WREG32_SOC15(GC, 0, mmMC_VM_AGP_BASE, 0);
+	WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
+	WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFFFF);
+
+	/* Program the system aperture low logical page number. */
+	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
+		     adev->mc.vram_start >> 18);
+	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+		     adev->mc.vram_end >> 18);
+
+	/* Set default page address. */
+	value = adev->vram_scratch.gpu_addr - adev->mc.vram_start
+		+ adev->vm_manager.vram_base_offset;
+	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
+		     (u32)(value >> 12));
+	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
+		     (u32)(value >> 44));
+
+	/* Program "protection fault". */
+	WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
+		     (u32)(adev->dummy_page.addr >> 12));
+	WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
+		     (u32)((u64)adev->dummy_page.addr >> 44));
+
+	WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
+		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
+}
+
+static void gchub_v9_0_init_tlb_regs(struct amdgpu_device *adev)
+{
+	uint32_t tmp;
+
+	/* Setup TLB control */
+	tmp = RREG32_SOC15(GC, 0, mmMC_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(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
+}
+
+static void gchub_v9_0_init_cache_regs(struct amdgpu_device *adev)
+{
+	uint32_t tmp;
+
+	/* Setup L2 cache */
+	tmp = RREG32_SOC15(GC, 0, mmVM_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, 0);
+	/* 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, 1);
+	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(GC, 0, mmVM_L2_CNTL, tmp);
+
+	tmp = RREG32_SOC15(GC, 0, mmVM_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(GC, 0, mmVM_L2_CNTL2, tmp);
+
+	tmp = mmVM_L2_CNTL3_DEFAULT;
+	WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, tmp);
+
+	tmp = mmVM_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(GC, 0, mmVM_L2_CNTL4, tmp);
+}
+
+static void gchub_v9_0_enable_system_domain(struct amdgpu_device *adev)
+{
+	uint32_t tmp;
+
+	tmp = RREG32_SOC15(GC, 0, mmVM_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);
+	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
+}
+
+static void gchub_v9_0_disable_identity_aperture(struct amdgpu_device *adev)
+{
+	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
+		     0XFFFFFFFF);
+	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
+		     0x0000000F);
+
+	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
+		     0);
+	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
+		     0);
+
+	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
+	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
+
+}
+
+static void gchub_v9_0_setup_vmid_config(struct amdgpu_device *adev)
+{
+	int i;
+	uint32_t tmp;
+
+	for (i = 0; i <= 14; i++) {
+		tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_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,
+				    adev->vm_manager.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,
+				adev->vm_manager.block_size - 9);
+		/* 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, 0);
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i, tmp);
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,  i*2,
+			lower_32_bits(adev->vm_manager.max_pfn - 1));
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
+			upper_32_bits(adev->vm_manager.max_pfn - 1));
+	}
+}
+
+static void gchub_v9_0_program_invalidation(struct amdgpu_device *adev)
+{
+	unsigned i;
+
+	for (i = 0 ; i < 18; ++i) {
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
+				    2 * i, 0xffffffff);
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
+				    2 * i, 0x1f);
+	}
+}
+
+int gchub_v9_0_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(GC, 0, mmMC_VM_FB_LOCATION_BASE,
+			     adev->mc.vram_start >> 24);
+		WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP,
+			     adev->mc.vram_end >> 24);
+	}
+
+	/* GART Enable. */
+	gchub_v9_0_init_gart_aperture_regs(adev);
+	gchub_v9_0_init_system_aperture_regs(adev);
+	gchub_v9_0_init_tlb_regs(adev);
+	gchub_v9_0_init_cache_regs(adev);
+
+	gchub_v9_0_enable_system_domain(adev);
+	gchub_v9_0_disable_identity_aperture(adev);
+	gchub_v9_0_setup_vmid_config(adev);
+	gchub_v9_0_program_invalidation(adev);
+
+	return 0;
+}
+
+void gchub_v9_0_gart_disable(struct amdgpu_device *adev)
+{
+	u32 tmp;
+	u32 i;
+
+	/* Disable all tables */
+	for (i = 0; i < 16; i++)
+		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL, i, 0);
+
+	/* Setup TLB control */
+	tmp = RREG32_SOC15(GC, 0, mmMC_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(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
+
+	/* Setup L2 cache */
+	WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
+	WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0);
+}
+
+/**
+ * gchub_v9_0_set_fault_enable_default - update GART/VM fault handling
+ *
+ * @adev: amdgpu_device pointer
+ * @value: true redirects VM faults to the default page
+ */
+void gchub_v9_0_set_fault_enable_default(struct amdgpu_device *adev,
+					  bool value)
+{
+	u32 tmp;
+	tmp = RREG32_SOC15(GC, 0, mmVM_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);
+	WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
+}
+
+void gchub_v9_0_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GCHUB];
+
+	hub->ctx0_ptb_addr_lo32 =
+		SOC15_REG_OFFSET(GC, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
+	hub->ctx0_ptb_addr_hi32 =
+		SOC15_REG_OFFSET(GC, 0,
+				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
+	hub->vm_inv_eng0_req =
+		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
+	hub->vm_inv_eng0_ack =
+		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
+	hub->vm_context0_cntl =
+		SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
+	hub->vm_l2_pro_fault_status =
+		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
+	hub->vm_l2_pro_fault_cntl =
+		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/gchub_v9_0.h b/drivers/gpu/drm/amd/amdgpu/gchub_v9_0.h
new file mode 100644
index 0000000..2e4ea4d
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/gchub_v9_0.h
@@ -0,0 +1,36 @@
+/*
+ * 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 __GCHUB_V9_0_H__
+#define __GCHUB_V9_0_H__
+
+int gchub_v9_0_gart_enable(struct amdgpu_device *adev);
+void gchub_v9_0_gart_disable(struct amdgpu_device *adev);
+void gchub_v9_0_set_fault_enable_default(struct amdgpu_device *adev,
+					  bool value);
+void gchub_v9_0_init(struct amdgpu_device *adev);
+u64 gchub_v9_0_get_mc_fb_offset(struct amdgpu_device *adev);
+extern const struct amd_ip_funcs gchub_v9_0_ip_funcs;
+extern const struct amdgpu_ip_block_version gchub_v9_0_ip_block;
+
+#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 3398d8b..c9258bd 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -4179,7 +4179,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_gfx = {
 	.align_mask = 0xff,
 	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
 	.support_64bit_ptrs = true,
-	.vmhub = AMDGPU_GFXHUB,
+	.vmhub = AMDGPU_GCHUB,
 	.get_rptr = gfx_v9_0_ring_get_rptr_gfx,
 	.get_wptr = gfx_v9_0_ring_get_wptr_gfx,
 	.set_wptr = gfx_v9_0_ring_set_wptr_gfx,
@@ -4225,7 +4225,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_compute = {
 	.align_mask = 0xff,
 	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
 	.support_64bit_ptrs = true,
-	.vmhub = AMDGPU_GFXHUB,
+	.vmhub = AMDGPU_GCHUB,
 	.get_rptr = gfx_v9_0_ring_get_rptr_compute,
 	.get_wptr = gfx_v9_0_ring_get_wptr_compute,
 	.set_wptr = gfx_v9_0_ring_set_wptr_compute,
@@ -4255,7 +4255,7 @@ static const struct amdgpu_ring_funcs gfx_v9_0_ring_funcs_kiq = {
 	.align_mask = 0xff,
 	.nop = PACKET3(PACKET3_NOP, 0x3FFF),
 	.support_64bit_ptrs = true,
-	.vmhub = AMDGPU_GFXHUB,
+	.vmhub = AMDGPU_GCHUB,
 	.get_rptr = gfx_v9_0_ring_get_rptr_compute,
 	.get_wptr = gfx_v9_0_ring_get_wptr_compute,
 	.set_wptr = gfx_v9_0_ring_set_wptr_compute,
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
deleted file mode 100644
index 008ad3d..0000000
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
+++ /dev/null
@@ -1,343 +0,0 @@
-/*
- * 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.
- *
- */
-#include "amdgpu.h"
-#include "gfxhub_v1_0.h"
-
-#include "vega10/soc15ip.h"
-#include "vega10/GC/gc_9_0_offset.h"
-#include "vega10/GC/gc_9_0_sh_mask.h"
-#include "vega10/GC/gc_9_0_default.h"
-#include "vega10/vega10_enum.h"
-
-#include "soc15_common.h"
-
-u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev)
-{
-	return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24;
-}
-
-static void gfxhub_v1_0_init_gart_pt_regs(struct amdgpu_device *adev)
-{
-	uint64_t value;
-
-	BUG_ON(adev->gart.table_addr & (~0x0000FFFFFFFFF000ULL));
-	value = adev->gart.table_addr - adev->mc.vram_start
-		+ adev->vm_manager.vram_base_offset;
-	value &= 0x0000FFFFFFFFF000ULL;
-	value |= 0x1; /*valid bit*/
-
-	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
-		     lower_32_bits(value));
-
-	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
-		     upper_32_bits(value));
-}
-
-static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
-{
-	gfxhub_v1_0_init_gart_pt_regs(adev);
-
-	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
-		     (u32)(adev->mc.gart_start >> 12));
-	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
-		     (u32)(adev->mc.gart_start >> 44));
-
-	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
-		     (u32)(adev->mc.gart_end >> 12));
-	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
-		     (u32)(adev->mc.gart_end >> 44));
-}
-
-static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
-{
-	uint64_t value;
-
-	/* Disable AGP. */
-	WREG32_SOC15(GC, 0, mmMC_VM_AGP_BASE, 0);
-	WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
-	WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFFFF);
-
-	/* Program the system aperture low logical page number. */
-	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
-		     adev->mc.vram_start >> 18);
-	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
-		     adev->mc.vram_end >> 18);
-
-	/* Set default page address. */
-	value = adev->vram_scratch.gpu_addr - adev->mc.vram_start
-		+ adev->vm_manager.vram_base_offset;
-	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
-		     (u32)(value >> 12));
-	WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
-		     (u32)(value >> 44));
-
-	/* Program "protection fault". */
-	WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
-		     (u32)(adev->dummy_page.addr >> 12));
-	WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
-		     (u32)((u64)adev->dummy_page.addr >> 44));
-
-	WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
-		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
-}
-
-static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
-{
-	uint32_t tmp;
-
-	/* Setup TLB control */
-	tmp = RREG32_SOC15(GC, 0, mmMC_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(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
-}
-
-static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
-{
-	uint32_t tmp;
-
-	/* Setup L2 cache */
-	tmp = RREG32_SOC15(GC, 0, mmVM_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, 0);
-	/* 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, 1);
-	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(GC, 0, mmVM_L2_CNTL, tmp);
-
-	tmp = RREG32_SOC15(GC, 0, mmVM_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(GC, 0, mmVM_L2_CNTL2, tmp);
-
-	tmp = mmVM_L2_CNTL3_DEFAULT;
-	WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, tmp);
-
-	tmp = mmVM_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(GC, 0, mmVM_L2_CNTL4, tmp);
-}
-
-static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
-{
-	uint32_t tmp;
-
-	tmp = RREG32_SOC15(GC, 0, mmVM_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);
-	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
-}
-
-static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
-{
-	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
-		     0XFFFFFFFF);
-	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
-		     0x0000000F);
-
-	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
-		     0);
-	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
-		     0);
-
-	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
-	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
-
-}
-
-static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
-{
-	int i;
-	uint32_t tmp;
-
-	for (i = 0; i <= 14; i++) {
-		tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_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,
-				    adev->vm_manager.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,
-				adev->vm_manager.block_size - 9);
-		/* 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, 0);
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i, tmp);
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,  i*2,
-			lower_32_bits(adev->vm_manager.max_pfn - 1));
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
-			upper_32_bits(adev->vm_manager.max_pfn - 1));
-	}
-}
-
-static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev)
-{
-	unsigned i;
-
-	for (i = 0 ; i < 18; ++i) {
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
-				    2 * i, 0xffffffff);
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
-				    2 * i, 0x1f);
-	}
-}
-
-int gfxhub_v1_0_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(GC, 0, mmMC_VM_FB_LOCATION_BASE,
-			     adev->mc.vram_start >> 24);
-		WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP,
-			     adev->mc.vram_end >> 24);
-	}
-
-	/* GART Enable. */
-	gfxhub_v1_0_init_gart_aperture_regs(adev);
-	gfxhub_v1_0_init_system_aperture_regs(adev);
-	gfxhub_v1_0_init_tlb_regs(adev);
-	gfxhub_v1_0_init_cache_regs(adev);
-
-	gfxhub_v1_0_enable_system_domain(adev);
-	gfxhub_v1_0_disable_identity_aperture(adev);
-	gfxhub_v1_0_setup_vmid_config(adev);
-	gfxhub_v1_0_program_invalidation(adev);
-
-	return 0;
-}
-
-void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
-{
-	u32 tmp;
-	u32 i;
-
-	/* Disable all tables */
-	for (i = 0; i < 16; i++)
-		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL, i, 0);
-
-	/* Setup TLB control */
-	tmp = RREG32_SOC15(GC, 0, mmMC_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(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
-
-	/* Setup L2 cache */
-	WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
-	WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0);
-}
-
-/**
- * gfxhub_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 gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
-					  bool value)
-{
-	u32 tmp;
-	tmp = RREG32_SOC15(GC, 0, mmVM_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);
-	WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
-}
-
-void gfxhub_v1_0_init(struct amdgpu_device *adev)
-{
-	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB];
-
-	hub->ctx0_ptb_addr_lo32 =
-		SOC15_REG_OFFSET(GC, 0,
-				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
-	hub->ctx0_ptb_addr_hi32 =
-		SOC15_REG_OFFSET(GC, 0,
-				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
-	hub->vm_inv_eng0_req =
-		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
-	hub->vm_inv_eng0_ack =
-		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
-	hub->vm_context0_cntl =
-		SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
-	hub->vm_l2_pro_fault_status =
-		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
-	hub->vm_l2_pro_fault_cntl =
-		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
-}
diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
deleted file mode 100644
index d2dbb08..0000000
--- a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * 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 __GFXHUB_V1_0_H__
-#define __GFXHUB_V1_0_H__
-
-int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev);
-void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev);
-void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
-					  bool value);
-void gfxhub_v1_0_init(struct amdgpu_device *adev);
-u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev);
-extern const struct amd_ip_funcs gfxhub_v1_0_ip_funcs;
-extern const struct amdgpu_ip_block_version gfxhub_v1_0_ip_block;
-
-#endif
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index e9a5209..c880001 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -35,7 +35,7 @@
 
 #include "nbio_v6_1.h"
 #include "nbio_v7_0.h"
-#include "gfxhub_v1_0.h"
+#include "gchub_v9_0.h"
 #include "mmhub_v1_0.h"
 
 #define mmDF_CS_AON0_DramBaseAddress0                                                                  0x0044
@@ -97,7 +97,7 @@ static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
 		}
 
 		/* GFX HUB */
-		hub = &adev->vmhub[AMDGPU_GFXHUB];
+		hub = &adev->vmhub[AMDGPU_GCHUB];
 		for (i = 0; i < 16; i++) {
 			reg = hub->vm_context0_cntl + i;
 			tmp = RREG32(reg);
@@ -116,7 +116,7 @@ static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
 		}
 
 		/* GFX HUB */
-		hub = &adev->vmhub[AMDGPU_GFXHUB];
+		hub = &adev->vmhub[AMDGPU_GCHUB];
 		for (i = 0; i < 16; i++) {
 			reg = hub->vm_context0_cntl + i;
 			tmp = RREG32(reg);
@@ -150,7 +150,7 @@ static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
 	if (printk_ratelimit()) {
 		dev_err(adev->dev,
 			"[%s] VMC page fault (src_id:%u ring:%u vm_id:%u pas_id:%u)\n",
-			entry->vm_id_src ? "mmhub" : "gfxhub",
+			entry->vm_id_src ? "mmhub" : "gchub",
 			entry->src_id, entry->ring_id, entry->vm_id,
 			entry->pas_id);
 		dev_err(adev->dev, "  at page 0x%016llx from %d\n",
@@ -423,7 +423,7 @@ static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
 	amdgpu_gart_location(adev, mc);
 	/* base offset of vram pages */
 	if (adev->flags & AMD_IS_APU)
-		adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev);
+		adev->vm_manager.vram_base_offset = gchub_v9_0_get_mc_fb_offset(adev);
 	else
 		adev->vm_manager.vram_base_offset = 0;
 }
@@ -527,7 +527,7 @@ static int gmc_v9_0_sw_init(void *handle)
 	int dma_bits;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	gfxhub_v1_0_init(adev);
+	gchub_v9_0_init(adev);
 	mmhub_v1_0_init(adev);
 
 	spin_lock_init(&adev->mc.invalidate_lock);
@@ -626,7 +626,7 @@ static int gmc_v9_0_sw_init(void *handle)
 	 * amdgpu graphics/compute will use VMIDs 1-7
 	 * amdkfd will use VMIDs 8-15
 	 */
-	adev->vm_manager.id_mgr[AMDGPU_GFXHUB].num_ids = AMDGPU_NUM_OF_VMIDS;
+	adev->vm_manager.id_mgr[AMDGPU_GCHUB].num_ids = AMDGPU_NUM_OF_VMIDS;
 	adev->vm_manager.id_mgr[AMDGPU_MMHUB].num_ids = AMDGPU_NUM_OF_VMIDS;
 
 	amdgpu_vm_manager_init(adev);
@@ -709,7 +709,7 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
 		break;
 	}
 
-	r = gfxhub_v1_0_gart_enable(adev);
+	r = gchub_v9_0_gart_enable(adev);
 	if (r)
 		return r;
 
@@ -730,7 +730,7 @@ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
 	else
 		value = true;
 
-	gfxhub_v1_0_set_fault_enable_default(adev, value);
+	gchub_v9_0_set_fault_enable_default(adev, value);
 	mmhub_v1_0_set_fault_enable_default(adev, value);
 
 	gmc_v9_0_gart_flush_gpu_tlb(adev, 0);
@@ -764,7 +764,7 @@ static int gmc_v9_0_hw_init(void *handle)
  */
 static void gmc_v9_0_gart_disable(struct amdgpu_device *adev)
 {
-	gfxhub_v1_0_gart_disable(adev);
+	gchub_v9_0_gart_disable(adev);
 	mmhub_v1_0_gart_disable(adev);
 	amdgpu_gart_table_vram_unpin(adev);
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c
index c184fe8..b8a5488 100644
--- a/drivers/gpu/drm/amd/amdgpu/soc15.c
+++ b/drivers/gpu/drm/amd/amdgpu/soc15.c
@@ -51,7 +51,7 @@
 #include "soc15_common.h"
 #include "gfx_v9_0.h"
 #include "gmc_v9_0.h"
-#include "gfxhub_v1_0.h"
+#include "gchub_v9_0.h"
 #include "mmhub_v1_0.h"
 #include "vega10_ih.h"
 #include "sdma_v4_0.h"
-- 
2.7.4



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