Reviewed-by: Chunming Zhou <[email protected]>

-----Original Message-----
From: amd-gfx [mailto:[email protected]] On Behalf Of 
Hawking Zhang
Sent: Thursday, July 20, 2017 11:27 AM
To: [email protected]
Cc: Zhang, Hawking <[email protected]>
Subject: [PATCH] drm/amdgpu: rename gfxhub_v1_0 to gchub_v9_0

Change-Id: I32d98b77b8da6b180dd365ff7f99c08e8aa061b1
Signed-off-by: Hawking Zhang <[email protected]>
---
 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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