[PATCH 046/100] drm/amdgpu: Add GMC 9.0 support

Deucher, Alexander Alexander.Deucher at amd.com
Tue Mar 21 15:09:56 UTC 2017


> -----Original Message-----
> From: Christian K├Ânig [mailto:deathsimple at vodafone.de]
> Sent: Tuesday, March 21, 2017 4:50 AM
> To: Alex Deucher; amd-gfx at lists.freedesktop.org
> Cc: Deucher, Alexander; Xie, AlexBin
> Subject: Re: [PATCH 046/100] drm/amdgpu: Add GMC 9.0 support
> 
> Am 20.03.2017 um 21:29 schrieb Alex Deucher:
> > From: Alex Xie <AlexBin.Xie at amd.com>
> >
> > On SOC-15 parts, the GMC (Graphics Memory Controller) consists
> > of two hubs: GFX (graphics and compute) and MM (sdma, uvd, vce).
> >
> > Signed-off-by: Alex Xie <AlexBin.Xie at amd.com>
> > Reviewed-by: Alex Deucher <alexander.deucher at amd.com>
> > Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> > ---
> >   drivers/gpu/drm/amd/amdgpu/Makefile      |   6 +-
> >   drivers/gpu/drm/amd/amdgpu/amdgpu.h      |  30 ++
> >   drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c   |  28 +-
> >   drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c | 447
> +++++++++++++++++
> >   drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h |  35 ++
> >   drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c    | 826
> +++++++++++++++++++++++++++++++
> >   drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h    |  30 ++
> >   drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c  | 585
> ++++++++++++++++++++++
> >   drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h  |  35 ++
> >   drivers/gpu/drm/amd/include/amd_shared.h |   2 +
> >   10 files changed, 2016 insertions(+), 8 deletions(-)
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
> >   create mode 100644 drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile
> b/drivers/gpu/drm/amd/amdgpu/Makefile
> > index 69823e8..b5046fd 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/Makefile
> > +++ b/drivers/gpu/drm/amd/amdgpu/Makefile
> > @@ -45,7 +45,8 @@ amdgpu-y += \
> >   # add GMC block
> >   amdgpu-y += \
> >   	gmc_v7_0.o \
> > -	gmc_v8_0.o
> > +	gmc_v8_0.o \
> > +	gfxhub_v1_0.o mmhub_v1_0.o gmc_v9_0.o
> >
> >   # add IH block
> >   amdgpu-y += \
> > @@ -74,7 +75,8 @@ amdgpu-y += \
> >   # add async DMA block
> >   amdgpu-y += \
> >   	sdma_v2_4.o \
> > -	sdma_v3_0.o
> > +	sdma_v3_0.o \
> > +	sdma_v4_0.o
> 
> That change doesn't belong into this patch.
> 
> >
> >   # add UVD block
> >   amdgpu-y += \
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > index aaded8d..d7257b6 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> > @@ -123,6 +123,11 @@ extern int amdgpu_param_buf_per_se;
> >   /* max number of IP instances */
> >   #define AMDGPU_MAX_SDMA_INSTANCES		2
> >
> > +/* max number of VMHUB */
> > +#define AMDGPU_MAX_VMHUBS			2
> > +#define AMDGPU_MMHUB				0
> > +#define AMDGPU_GFXHUB				1
> > +
> >   /* hardcode that limit for now */
> >   #define AMDGPU_VA_RESERVED_SIZE			(8 << 20)
> >
> > @@ -310,6 +315,12 @@ struct amdgpu_gart_funcs {
> >   				     uint32_t flags);
> >   };
> >
> > +/* provided by the mc block */
> > +struct amdgpu_mc_funcs {
> > +	/* adjust mc addr in fb for APU case */
> > +	u64 (*adjust_mc_addr)(struct amdgpu_device *adev, u64 addr);
> > +};
> > +
> 
> That isn't hardware specific and actually incorrectly implemented.
> 
> The calculation depends on the NB on APUs, not the GPU part and the
> current implementation probably breaks it for Carizzo and others APUs.
> 
> I suggest to just remove the callback and move the calculation into
> amdgpu_vm_adjust_mc_addr().
> 
> Then rename amdgpu_vm_adjust_mc_addr() to amdgpu_vm_get_pde()
> and call
> it from amdgpu_vm_update_page_directory() as well as the GFX9 specifc
> flush functions.
> 
> >   /* provided by the ih block */
> >   struct amdgpu_ih_funcs {
> >   	/* ring read/write ptr handling, called from interrupt context */
> > @@ -559,6 +570,21 @@ int amdgpu_gart_bind(struct amdgpu_device
> *adev, uint64_t offset,
> >   int amdgpu_ttm_recover_gart(struct amdgpu_device *adev);
> >
> >   /*
> > + * VMHUB structures, functions & helpers
> > + */
> > +struct amdgpu_vmhub {
> > +	uint32_t	ctx0_ptb_addr_lo32;
> > +	uint32_t	ctx0_ptb_addr_hi32;
> > +	uint32_t	vm_inv_eng0_req;
> > +	uint32_t	vm_inv_eng0_ack;
> > +	uint32_t	vm_context0_cntl;
> > +	uint32_t	vm_l2_pro_fault_status;
> > +	uint32_t	vm_l2_pro_fault_cntl;
> > +	uint32_t	(*get_invalidate_req)(unsigned int vm_id);
> > +	uint32_t	(*get_vm_protection_bits)(void);
> 
> Those two callbacks aren't a good idea either.
> 
> The invalidation request bits are defined by the RTL of the HUB which is
> just instantiated twice, see the register database for details.
> 
> We should probably make those functions in the gmc_v9_0.c which are
> called from the device specific flush methods.

Didn't you have some patches to clean up the gfxhub/mmhub split?  I don't think they ever landed.

Alex

> 
> Regards,
> Christian.
> 
> > +};
> > +
> > +/*
> >    * GPU MC structures, functions & helpers
> >    */
> >   struct amdgpu_mc {
> > @@ -591,6 +617,9 @@ struct amdgpu_mc {
> >   	u64					shared_aperture_end;
> >   	u64					private_aperture_start;
> >   	u64					private_aperture_end;
> > +	/* protects concurrent invalidation */
> > +	spinlock_t		invalidate_lock;
> > +	const struct amdgpu_mc_funcs *mc_funcs;
> >   };
> >
> >   /*
> > @@ -1479,6 +1508,7 @@ struct amdgpu_device {
> >   	struct amdgpu_gart		gart;
> >   	struct amdgpu_dummy_page	dummy_page;
> >   	struct amdgpu_vm_manager	vm_manager;
> > +	struct amdgpu_vmhub             vmhub[AMDGPU_MAX_VMHUBS];
> >
> >   	/* memory management */
> >   	struct amdgpu_mman		mman;
> > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> > index df615d7..47a8080 100644
> > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
> > @@ -375,6 +375,16 @@ static bool
> amdgpu_vm_ring_has_compute_vm_bug(struct amdgpu_ring *ring)
> >   	return false;
> >   }
> >
> > +static u64 amdgpu_vm_adjust_mc_addr(struct amdgpu_device *adev,
> u64 mc_addr)
> > +{
> > +	u64 addr = mc_addr;
> > +
> > +	if (adev->mc.mc_funcs && adev->mc.mc_funcs->adjust_mc_addr)
> > +		addr = adev->mc.mc_funcs->adjust_mc_addr(adev, addr);
> > +
> > +	return addr;
> > +}
> > +
> >   /**
> >    * amdgpu_vm_flush - hardware flush the vm
> >    *
> > @@ -405,9 +415,10 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring,
> struct amdgpu_job *job)
> >   	if (ring->funcs->emit_vm_flush && (job->vm_needs_flush ||
> >   	    amdgpu_vm_is_gpu_reset(adev, id))) {
> >   		struct fence *fence;
> > +		u64 pd_addr = amdgpu_vm_adjust_mc_addr(adev, job-
> >vm_pd_addr);
> >
> > -		trace_amdgpu_vm_flush(job->vm_pd_addr, ring->idx, job-
> >vm_id);
> > -		amdgpu_ring_emit_vm_flush(ring, job->vm_id, job-
> >vm_pd_addr);
> > +		trace_amdgpu_vm_flush(pd_addr, ring->idx, job->vm_id);
> > +		amdgpu_ring_emit_vm_flush(ring, job->vm_id, pd_addr);
> >
> >   		r = amdgpu_fence_emit(ring, &fence);
> >   		if (r)
> > @@ -643,15 +654,18 @@ int amdgpu_vm_update_page_directory(struct
> amdgpu_device *adev,
> >   		    (count == AMDGPU_VM_MAX_UPDATE_SIZE)) {
> >
> >   			if (count) {
> > +				uint64_t pt_addr =
> > +					amdgpu_vm_adjust_mc_addr(adev,
> last_pt);
> > +
> >   				if (shadow)
> >   					amdgpu_vm_do_set_ptes(&params,
> >   							      last_shadow,
> > -							      last_pt, count,
> > +							      pt_addr, count,
> >   							      incr,
> >
> AMDGPU_PTE_VALID);
> >
> >   				amdgpu_vm_do_set_ptes(&params,
> last_pde,
> > -						      last_pt, count, incr,
> > +						      pt_addr, count, incr,
> >   						      AMDGPU_PTE_VALID);
> >   			}
> >
> > @@ -665,11 +679,13 @@ int amdgpu_vm_update_page_directory(struct
> amdgpu_device *adev,
> >   	}
> >
> >   	if (count) {
> > +		uint64_t pt_addr = amdgpu_vm_adjust_mc_addr(adev,
> last_pt);
> > +
> >   		if (vm->page_directory->shadow)
> > -			amdgpu_vm_do_set_ptes(&params, last_shadow,
> last_pt,
> > +			amdgpu_vm_do_set_ptes(&params, last_shadow,
> pt_addr,
> >   					      count, incr,
> AMDGPU_PTE_VALID);
> >
> > -		amdgpu_vm_do_set_ptes(&params, last_pde, last_pt,
> > +		amdgpu_vm_do_set_ptes(&params, last_pde, pt_addr,
> >   				      count, incr, AMDGPU_PTE_VALID);
> >   	}
> >
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
> b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
> > new file mode 100644
> > index 0000000..1ff019c
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c
> > @@ -0,0 +1,447 @@
> > +/*
> > + * 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"
> > +
> > +int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
> > +{
> > +	u32 tmp;
> > +	u64 value;
> > +	u32 i;
> > +
> > +	/* Program MC. */
> > +	/* Update configuration */
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
> > +		adev->mc.vram_start >> 18);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR),
> > +		adev->mc.vram_end >> 18);
> > +
> > +	value = adev->vram_scratch.gpu_addr - adev->mc.vram_start
> > +		+ adev->vm_manager.vram_base_offset;
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),
> > +				(u32)(value >> 12));
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),
> > +				(u32)(value >> 44));
> > +
> > +	/* Disable AGP. */
> > +	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BASE), 0);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_TOP), 0);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0, mmMC_VM_AGP_BOT),
> 0xFFFFFFFF);
> > +
> > +	/* GART Enable. */
> > +
> > +	/* Setup TLB control */
> > +	tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0,
> mmMC_VM_MX_L1_TLB_CNTL), tmp);
> > +
> > +	/* Setup L2 cache */
> > +	tmp = RREG32(SOC15_REG_OFFSET(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);
> > +	tmp = REG_SET_FIELD(tmp,
> > +				VM_L2_CNTL,
> > +				L2_PDE0_CACHE_TAG_GENERATION_MODE,
> > +				0);/* XXX for emulation, Refer to closed
> source code.*/
> > +	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_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp);
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0, mmVM_L2_CNTL2), tmp);
> > +
> > +	tmp = mmVM_L2_CNTL3_DEFAULT;
> > +	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL3), tmp);
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL4));
> > +	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_REG_OFFSET(GC, 0, mmVM_L2_CNTL4), tmp);
> > +
> > +	/* setup context0 */
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
> > +		(u32)(adev->mc.gtt_start >> 12));
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
> > +		(u32)(adev->mc.gtt_start >> 44));
> > +
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
> > +		(u32)(adev->mc.gtt_end >> 12));
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
> > +		(u32)(adev->mc.gtt_end >> 44));
> > +
> > +	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_REG_OFFSET(GC, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),
> > +		(u32)value);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),
> > +		(u32)(value >> 32));
> > +
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
> > +		(u32)(adev->dummy_page.addr >> 12));
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),
> > +		(u32)(adev->dummy_page.addr >> 44));
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(GC, 0,
> mmVM_L2_PROTECTION_FAULT_CNTL2));
> > +	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
> > +			    ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY,
> > +			    1);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL),
> tmp);
> > +
> > +	/* Disable identity aperture.*/
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32),
> 0XFFFFFFFF);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32),
> 0x0000000F);
> > +
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32),
> 0);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
> > +
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32),
> 0);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0,
> > +		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32),
> 0);
> > +
> > +	for (i = 0; i <= 14; i++) {
> > +		tmp = RREG32(SOC15_REG_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, 1);
> > +		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,
> > +				    amdgpu_vm_block_size - 9);
> > +		WREG32(SOC15_REG_OFFSET(GC, 0,
> mmVM_CONTEXT1_CNTL) + i, tmp);
> > +		WREG32(SOC15_REG_OFFSET(GC, 0,
> mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0);
> > +		WREG32(SOC15_REG_OFFSET(GC, 0,
> mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0);
> > +		WREG32(SOC15_REG_OFFSET(GC, 0,
> mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2,
> > +				adev->vm_manager.max_pfn - 1);
> > +		WREG32(SOC15_REG_OFFSET(GC, 0,
> mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, 0);
> > +	}
> > +
> > +
> > +	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_REG_OFFSET(GC, 0,
> mmVM_CONTEXT0_CNTL) + i, 0);
> > +
> > +	/* Setup TLB control */
> > +	tmp = RREG32(SOC15_REG_OFFSET(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_REG_OFFSET(GC, 0,
> mmMC_VM_MX_L1_TLB_CNTL), tmp);
> > +
> > +	/* Setup L2 cache */
> > +	tmp = RREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL));
> > +	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
> > +	WREG32(SOC15_REG_OFFSET(GC, 0, mmVM_L2_CNTL), tmp);
> > +	WREG32(SOC15_REG_OFFSET(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_REG_OFFSET(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_REG_OFFSET(GC, 0,
> mmVM_L2_PROTECTION_FAULT_CNTL), tmp);
> > +}
> > +
> > +static uint32_t gfxhub_v1_0_get_invalidate_req(unsigned int vm_id)
> > +{
> > +	u32 req = 0;
> > +
> > +	/* invalidate using legacy mode on vm_id*/
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> > +			    PER_VMID_INVALIDATE_REQ, 1 << vm_id);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> FLUSH_TYPE, 0);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PTES, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PDE0, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PDE1, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PDE2, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L1_PTES, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> > +			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);
> > +
> > +	return req;
> > +}
> > +
> > +static uint32_t gfxhub_v1_0_get_vm_protection_bits(void)
> > +{
> > +	return
> (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT
> _MASK |
> > +
> VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTE
> RRUPT_MASK |
> > +
> VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_M
> ASK |
> > +
> VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_
> MASK |
> > +
> VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_M
> ASK |
> > +
> VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_
> MASK |
> > +
> VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT
> _MASK);
> > +}
> > +
> > +static int gfxhub_v1_0_early_init(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_late_init(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_sw_init(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +	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);
> > +
> > +	hub->get_invalidate_req = gfxhub_v1_0_get_invalidate_req;
> > +	hub->get_vm_protection_bits =
> gfxhub_v1_0_get_vm_protection_bits;
> > +
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_sw_fini(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_hw_init(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +	unsigned i;
> > +
> > +	for (i = 0 ; i < 18; ++i) {
> > +		WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) +
> > +		       2 * i, 0xffffffff);
> > +		WREG32(SOC15_REG_OFFSET(GC, 0,
> > +
> 	mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) +
> > +		       2 * i, 0x1f);
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_hw_fini(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_suspend(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_resume(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static bool gfxhub_v1_0_is_idle(void *handle)
> > +{
> > +	return true;
> > +}
> > +
> > +static int gfxhub_v1_0_wait_for_idle(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_soft_reset(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_set_clockgating_state(void *handle,
> > +					  enum amd_clockgating_state state)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gfxhub_v1_0_set_powergating_state(void *handle,
> > +					  enum amd_powergating_state
> state)
> > +{
> > +	return 0;
> > +}
> > +
> > +const struct amd_ip_funcs gfxhub_v1_0_ip_funcs = {
> > +	.name = "gfxhub_v1_0",
> > +	.early_init = gfxhub_v1_0_early_init,
> > +	.late_init = gfxhub_v1_0_late_init,
> > +	.sw_init = gfxhub_v1_0_sw_init,
> > +	.sw_fini = gfxhub_v1_0_sw_fini,
> > +	.hw_init = gfxhub_v1_0_hw_init,
> > +	.hw_fini = gfxhub_v1_0_hw_fini,
> > +	.suspend = gfxhub_v1_0_suspend,
> > +	.resume = gfxhub_v1_0_resume,
> > +	.is_idle = gfxhub_v1_0_is_idle,
> > +	.wait_for_idle = gfxhub_v1_0_wait_for_idle,
> > +	.soft_reset = gfxhub_v1_0_soft_reset,
> > +	.set_clockgating_state = gfxhub_v1_0_set_clockgating_state,
> > +	.set_powergating_state = gfxhub_v1_0_set_powergating_state,
> > +};
> > +
> > +const struct amdgpu_ip_block_version gfxhub_v1_0_ip_block =
> > +{
> > +	.type = AMD_IP_BLOCK_TYPE_GFXHUB,
> > +	.major = 1,
> > +	.minor = 0,
> > +	.rev = 0,
> > +	.funcs = &gfxhub_v1_0_ip_funcs,
> > +};
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
> b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
> > new file mode 100644
> > index 0000000..5129a8f
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.h
> > @@ -0,0 +1,35 @@
> > +/*
> > + * 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);
> > +
> > +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
> > new file mode 100644
> > index 0000000..5cf0fc3
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
> > @@ -0,0 +1,826 @@
> > +/*
> > + * 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 <linux/firmware.h>
> > +#include "amdgpu.h"
> > +#include "gmc_v9_0.h"
> > +
> > +#include "vega10/soc15ip.h"
> > +#include "vega10/HDP/hdp_4_0_offset.h"
> > +#include "vega10/HDP/hdp_4_0_sh_mask.h"
> > +#include "vega10/GC/gc_9_0_sh_mask.h"
> > +#include "vega10/vega10_enum.h"
> > +
> > +#include "soc15_common.h"
> > +
> > +#include "nbio_v6_1.h"
> > +#include "gfxhub_v1_0.h"
> > +#include "mmhub_v1_0.h"
> > +
> > +#define mmDF_CS_AON0_DramBaseAddress0
> 0x0044
> > +#define mmDF_CS_AON0_DramBaseAddress0_BASE_IDX
> 0
> > +//DF_CS_AON0_DramBaseAddress0
> > +#define DF_CS_AON0_DramBaseAddress0__AddrRngVal__SHIFT
> 0x0
> > +#define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn__SHIFT
> 0x1
> > +#define DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT
> 0x4
> > +#define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel__SHIFT
> 0x8
> > +#define DF_CS_AON0_DramBaseAddress0__DramBaseAddr__SHIFT
> 0xc
> > +#define DF_CS_AON0_DramBaseAddress0__AddrRngVal_MASK
> 0x00000001L
> > +#define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn_MASK
> 0x00000002L
> > +#define DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK
> 0x000000F0L
> > +#define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel_MASK
> 0x00000700L
> > +#define DF_CS_AON0_DramBaseAddress0__DramBaseAddr_MASK
> 0xFFFFF000L
> > +
> > +/* XXX Move this macro to VEGA10 header file, which is like vid.h for VI.*/
> > +#define AMDGPU_NUM_OF_VMIDS			8
> > +
> > +static const u32 golden_settings_vega10_hdp[] =
> > +{
> > +	0xf64, 0x0fffffff, 0x00000000,
> > +	0xf65, 0x0fffffff, 0x00000000,
> > +	0xf66, 0x0fffffff, 0x00000000,
> > +	0xf67, 0x0fffffff, 0x00000000,
> > +	0xf68, 0x0fffffff, 0x00000000,
> > +	0xf6a, 0x0fffffff, 0x00000000,
> > +	0xf6b, 0x0fffffff, 0x00000000,
> > +	0xf6c, 0x0fffffff, 0x00000000,
> > +	0xf6d, 0x0fffffff, 0x00000000,
> > +	0xf6e, 0x0fffffff, 0x00000000,
> > +};
> > +
> > +static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device
> *adev,
> > +					struct amdgpu_irq_src *src,
> > +					unsigned type,
> > +					enum amdgpu_interrupt_state state)
> > +{
> > +	struct amdgpu_vmhub *hub;
> > +	u32 tmp, reg, bits, i;
> > +
> > +	switch (state) {
> > +	case AMDGPU_IRQ_STATE_DISABLE:
> > +		/* MM HUB */
> > +		hub = &adev->vmhub[AMDGPU_MMHUB];
> > +		bits = hub->get_vm_protection_bits();
> > +		for (i = 0; i< 16; i++) {
> > +			reg = hub->vm_context0_cntl + i;
> > +			tmp = RREG32(reg);
> > +			tmp &= ~bits;
> > +			WREG32(reg, tmp);
> > +		}
> > +
> > +		/* GFX HUB */
> > +		hub = &adev->vmhub[AMDGPU_GFXHUB];
> > +		bits = hub->get_vm_protection_bits();
> > +		for (i = 0; i < 16; i++) {
> > +			reg = hub->vm_context0_cntl + i;
> > +			tmp = RREG32(reg);
> > +			tmp &= ~bits;
> > +			WREG32(reg, tmp);
> > +		}
> > +		break;
> > +	case AMDGPU_IRQ_STATE_ENABLE:
> > +		/* MM HUB */
> > +		hub = &adev->vmhub[AMDGPU_MMHUB];
> > +		bits = hub->get_vm_protection_bits();
> > +		for (i = 0; i< 16; i++) {
> > +			reg = hub->vm_context0_cntl + i;
> > +			tmp = RREG32(reg);
> > +			tmp |= bits;
> > +			WREG32(reg, tmp);
> > +		}
> > +
> > +		/* GFX HUB */
> > +		hub = &adev->vmhub[AMDGPU_GFXHUB];
> > +		bits = hub->get_vm_protection_bits();
> > +		for (i = 0; i < 16; i++) {
> > +			reg = hub->vm_context0_cntl + i;
> > +			tmp = RREG32(reg);
> > +			tmp |= bits;
> > +			WREG32(reg, tmp);
> > +		}
> > +		break;
> > +	default:
> > +		break;
> > +	}
> > +
> > +	return 0;
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
> > +				struct amdgpu_irq_src *source,
> > +				struct amdgpu_iv_entry *entry)
> > +{
> > +	struct amdgpu_vmhub *gfxhub = &adev-
> >vmhub[AMDGPU_GFXHUB];
> > +	struct amdgpu_vmhub *mmhub = &adev-
> >vmhub[AMDGPU_MMHUB];
> > +	uint32_t status;
> > +	u64 addr;
> > +
> > +	addr = (u64)entry->src_data[0] << 12;
> > +	addr |= ((u64)entry->src_data[1] & 0xf) << 44;
> > +
> > +	if (entry->vm_id_src) {
> > +		status = RREG32(mmhub->vm_l2_pro_fault_status);
> > +		WREG32_P(mmhub->vm_l2_pro_fault_cntl, 1, ~1);
> > +	} else {
> > +		status = RREG32(gfxhub->vm_l2_pro_fault_status);
> > +		WREG32_P(gfxhub->vm_l2_pro_fault_cntl, 1, ~1);
> > +	}
> > +
> > +	DRM_ERROR("[%s]VMC page fault (src_id:%u ring:%u vm_id:%u
> pas_id:%u) "
> > +		  "at page 0x%016llx from %d\n"
> > +		  "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
> > +		  entry->vm_id_src ? "mmhub" : "gfxhub",
> > +		  entry->src_id, entry->ring_id, entry->vm_id, entry->pas_id,
> > +		  addr, entry->client_id, status);
> > +
> > +	return 0;
> > +}
> > +
> > +static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = {
> > +	.set = gmc_v9_0_vm_fault_interrupt_state,
> > +	.process = gmc_v9_0_process_interrupt,
> > +};
> > +
> > +static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
> > +{
> > +	adev->mc.vm_fault.num_types = 1;
> > +	adev->mc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
> > +}
> > +
> > +/*
> > + * GART
> > + * VMID 0 is the physical GPU addresses as used by the kernel.
> > + * VMIDs 1-15 are used for userspace clients and are handled
> > + * by the amdgpu vm/hsa code.
> > + */
> > +
> > +/**
> > + * gmc_v9_0_gart_flush_gpu_tlb - gart tlb flush callback
> > + *
> > + * @adev: amdgpu_device pointer
> > + * @vmid: vm instance to flush
> > + *
> > + * Flush the TLB for the requested page table.
> > + */
> > +static void gmc_v9_0_gart_flush_gpu_tlb(struct amdgpu_device *adev,
> > +					uint32_t vmid)
> > +{
> > +	/* Use register 17 for GART */
> > +	const unsigned eng = 17;
> > +	unsigned i, j;
> > +
> > +	/* flush hdp cache */
> > +	nbio_v6_1_hdp_flush(adev);
> > +
> > +	spin_lock(&adev->mc.invalidate_lock);
> > +
> > +	for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) {
> > +		struct amdgpu_vmhub *hub = &adev->vmhub[i];
> > +		u32 tmp = hub->get_invalidate_req(vmid);
> > +
> > +		WREG32(hub->vm_inv_eng0_req + eng, tmp);
> > +
> > +		/* Busy wait for ACK.*/
> > +		for (j = 0; j < 100; j++) {
> > +			tmp = RREG32(hub->vm_inv_eng0_ack + eng);
> > +			tmp &= 1 << vmid;
> > +			if (tmp)
> > +				break;
> > +			cpu_relax();
> > +		}
> > +		if (j < 100)
> > +			continue;
> > +
> > +		/* Wait for ACK with a delay.*/
> > +		for (j = 0; j < adev->usec_timeout; j++) {
> > +			tmp = RREG32(hub->vm_inv_eng0_ack + eng);
> > +			tmp &= 1 << vmid;
> > +			if (tmp)
> > +				break;
> > +			udelay(1);
> > +		}
> > +		if (j < adev->usec_timeout)
> > +			continue;
> > +
> > +		DRM_ERROR("Timeout waiting for VM flush ACK!\n");
> > +	}
> > +
> > +	spin_unlock(&adev->mc.invalidate_lock);
> > +}
> > +
> > +/**
> > + * gmc_v9_0_gart_set_pte_pde - update the page tables using MMIO
> > + *
> > + * @adev: amdgpu_device pointer
> > + * @cpu_pt_addr: cpu address of the page table
> > + * @gpu_page_idx: entry in the page table to update
> > + * @addr: dst addr to write into pte/pde
> > + * @flags: access flags
> > + *
> > + * Update the page tables using the CPU.
> > + */
> > +static int gmc_v9_0_gart_set_pte_pde(struct amdgpu_device *adev,
> > +					void *cpu_pt_addr,
> > +					uint32_t gpu_page_idx,
> > +					uint64_t addr,
> > +					uint64_t flags)
> > +{
> > +	void __iomem *ptr = (void *)cpu_pt_addr;
> > +	uint64_t value;
> > +
> > +	/*
> > +	 * PTE format on VEGA 10:
> > +	 * 63:59 reserved
> > +	 * 58:57 mtype
> > +	 * 56 F
> > +	 * 55 L
> > +	 * 54 P
> > +	 * 53 SW
> > +	 * 52 T
> > +	 * 50:48 reserved
> > +	 * 47:12 4k physical page base address
> > +	 * 11:7 fragment
> > +	 * 6 write
> > +	 * 5 read
> > +	 * 4 exe
> > +	 * 3 Z
> > +	 * 2 snooped
> > +	 * 1 system
> > +	 * 0 valid
> > +	 *
> > +	 * PDE format on VEGA 10:
> > +	 * 63:59 block fragment size
> > +	 * 58:55 reserved
> > +	 * 54 P
> > +	 * 53:48 reserved
> > +	 * 47:6 physical base address of PD or PTE
> > +	 * 5:3 reserved
> > +	 * 2 C
> > +	 * 1 system
> > +	 * 0 valid
> > +	 */
> > +
> > +	/*
> > +	 * The following is for PTE only. GART does not have PDEs.
> > +	*/
> > +	value = addr & 0x0000FFFFFFFFF000ULL;
> > +	value |= flags;
> > +	writeq(value, ptr + (gpu_page_idx * 8));
> > +	return 0;
> > +}
> > +
> > +static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device
> *adev,
> > +						uint32_t flags)
> > +
> > +{
> > +	uint64_t pte_flag = 0;
> > +
> > +	if (flags & AMDGPU_VM_PAGE_EXECUTABLE)
> > +		pte_flag |= AMDGPU_PTE_EXECUTABLE;
> > +	if (flags & AMDGPU_VM_PAGE_READABLE)
> > +		pte_flag |= AMDGPU_PTE_READABLE;
> > +	if (flags & AMDGPU_VM_PAGE_WRITEABLE)
> > +		pte_flag |= AMDGPU_PTE_WRITEABLE;
> > +
> > +	switch (flags & AMDGPU_VM_MTYPE_MASK) {
> > +	case AMDGPU_VM_MTYPE_DEFAULT:
> > +		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC);
> > +		break;
> > +	case AMDGPU_VM_MTYPE_NC:
> > +		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC);
> > +		break;
> > +	case AMDGPU_VM_MTYPE_WC:
> > +		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_WC);
> > +		break;
> > +	case AMDGPU_VM_MTYPE_CC:
> > +		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_CC);
> > +		break;
> > +	case AMDGPU_VM_MTYPE_UC:
> > +		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_UC);
> > +		break;
> > +	default:
> > +		pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC);
> > +		break;
> > +	}
> > +
> > +	if (flags & AMDGPU_VM_PAGE_PRT)
> > +		pte_flag |= AMDGPU_PTE_PRT;
> > +
> > +	return pte_flag;
> > +}
> > +
> > +static const struct amdgpu_gart_funcs gmc_v9_0_gart_funcs = {
> > +	.flush_gpu_tlb = gmc_v9_0_gart_flush_gpu_tlb,
> > +	.set_pte_pde = gmc_v9_0_gart_set_pte_pde,
> > +	.get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags
> > +};
> > +
> > +static void gmc_v9_0_set_gart_funcs(struct amdgpu_device *adev)
> > +{
> > +	if (adev->gart.gart_funcs == NULL)
> > +		adev->gart.gart_funcs = &gmc_v9_0_gart_funcs;
> > +}
> > +
> > +static u64 gmc_v9_0_adjust_mc_addr(struct amdgpu_device *adev, u64
> mc_addr)
> > +{
> > +	return adev->vm_manager.vram_base_offset + mc_addr - adev-
> >mc.vram_start;
> > +}
> > +
> > +static const struct amdgpu_mc_funcs gmc_v9_0_mc_funcs = {
> > +	.adjust_mc_addr = gmc_v9_0_adjust_mc_addr,
> > +};
> > +
> > +static void gmc_v9_0_set_mc_funcs(struct amdgpu_device *adev)
> > +{
> > +	adev->mc.mc_funcs = &gmc_v9_0_mc_funcs;
> > +}
> > +
> > +static int gmc_v9_0_early_init(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	gmc_v9_0_set_gart_funcs(adev);
> > +	gmc_v9_0_set_mc_funcs(adev);
> > +	gmc_v9_0_set_irq_funcs(adev);
> > +
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_late_init(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +	return amdgpu_irq_get(adev, &adev->mc.vm_fault, 0);
> > +}
> > +
> > +static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
> > +					struct amdgpu_mc *mc)
> > +{
> > +	u64 base = mmhub_v1_0_get_fb_location(adev);
> > +	amdgpu_vram_location(adev, &adev->mc, base);
> > +	adev->mc.gtt_base_align = 0;
> > +	amdgpu_gtt_location(adev, mc);
> > +}
> > +
> > +/**
> > + * gmc_v9_0_mc_init - initialize the memory controller driver params
> > + *
> > + * @adev: amdgpu_device pointer
> > + *
> > + * Look up the amount of vram, vram width, and decide how to place
> > + * vram and gart within the GPU's physical address space.
> > + * Returns 0 for success.
> > + */
> > +static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
> > +{
> > +	u32 tmp;
> > +	int chansize, numchan;
> > +
> > +	/* hbm memory channel size */
> > +	chansize = 128;
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(DF, 0,
> mmDF_CS_AON0_DramBaseAddress0));
> > +	tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK;
> > +	tmp >>=
> DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT;
> > +	switch (tmp) {
> > +	case 0:
> > +	default:
> > +		numchan = 1;
> > +		break;
> > +	case 1:
> > +		numchan = 2;
> > +		break;
> > +	case 2:
> > +		numchan = 0;
> > +		break;
> > +	case 3:
> > +		numchan = 4;
> > +		break;
> > +	case 4:
> > +		numchan = 0;
> > +		break;
> > +	case 5:
> > +		numchan = 8;
> > +		break;
> > +	case 6:
> > +		numchan = 0;
> > +		break;
> > +	case 7:
> > +		numchan = 16;
> > +		break;
> > +	case 8:
> > +		numchan = 2;
> > +		break;
> > +	}
> > +	adev->mc.vram_width = numchan * chansize;
> > +
> > +	/* Could aper size report 0 ? */
> > +	adev->mc.aper_base = pci_resource_start(adev->pdev, 0);
> > +	adev->mc.aper_size = pci_resource_len(adev->pdev, 0);
> > +	/* size in MB on si */
> > +	adev->mc.mc_vram_size =
> > +		nbio_v6_1_get_memsize(adev) * 1024ULL * 1024ULL;
> > +	adev->mc.real_vram_size = adev->mc.mc_vram_size;
> > +	adev->mc.visible_vram_size = adev->mc.aper_size;
> > +
> > +	/* In case the PCI BAR is larger than the actual amount of vram */
> > +	if (adev->mc.visible_vram_size > adev->mc.real_vram_size)
> > +		adev->mc.visible_vram_size = adev->mc.real_vram_size;
> > +
> > +	/* unless the user had overridden it, set the gart
> > +	 * size equal to the 1024 or vram, whichever is larger.
> > +	 */
> > +	if (amdgpu_gart_size == -1)
> > +		adev->mc.gtt_size = max((1024ULL << 20), adev-
> >mc.mc_vram_size);
> > +	else
> > +		adev->mc.gtt_size = (uint64_t)amdgpu_gart_size << 20;
> > +
> > +	gmc_v9_0_vram_gtt_location(adev, &adev->mc);
> > +
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
> > +{
> > +	int r;
> > +
> > +	if (adev->gart.robj) {
> > +		WARN(1, "VEGA10 PCIE GART already initialized\n");
> > +		return 0;
> > +	}
> > +	/* Initialize common gart structure */
> > +	r = amdgpu_gart_init(adev);
> > +	if (r)
> > +		return r;
> > +	adev->gart.table_size = adev->gart.num_gpu_pages * 8;
> > +	adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE(MTYPE_UC) |
> > +				 AMDGPU_PTE_EXECUTABLE;
> > +	return amdgpu_gart_table_vram_alloc(adev);
> > +}
> > +
> > +/*
> > + * vm
> > + * VMID 0 is the physical GPU addresses as used by the kernel.
> > + * VMIDs 1-15 are used for userspace clients and are handled
> > + * by the amdgpu vm/hsa code.
> > + */
> > +/**
> > + * gmc_v9_0_vm_init - vm init callback
> > + *
> > + * @adev: amdgpu_device pointer
> > + *
> > + * Inits vega10 specific vm parameters (number of VMs, base of vram for
> > + * VMIDs 1-15) (vega10).
> > + * Returns 0 for success.
> > + */
> > +static int gmc_v9_0_vm_init(struct amdgpu_device *adev)
> > +{
> > +	/*
> > +	 * number of VMs
> > +	 * VMID 0 is reserved for System
> > +	 * amdgpu graphics/compute will use VMIDs 1-7
> > +	 * amdkfd will use VMIDs 8-15
> > +	 */
> > +	adev->vm_manager.num_ids = AMDGPU_NUM_OF_VMIDS;
> > +	amdgpu_vm_manager_init(adev);
> > +
> > +	/* base offset of vram pages */
> > +	/*XXX This value is not zero for APU*/
> > +	adev->vm_manager.vram_base_offset = 0;
> > +
> > +	return 0;
> > +}
> > +
> > +/**
> > + * gmc_v9_0_vm_fini - vm fini callback
> > + *
> > + * @adev: amdgpu_device pointer
> > + *
> > + * Tear down any asic specific VM setup.
> > + */
> > +static void gmc_v9_0_vm_fini(struct amdgpu_device *adev)
> > +{
> > +	return;
> > +}
> > +
> > +static int gmc_v9_0_sw_init(void *handle)
> > +{
> > +	int r;
> > +	int dma_bits;
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	spin_lock_init(&adev->mc.invalidate_lock);
> > +
> > +	if (adev->flags & AMD_IS_APU) {
> > +		adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
> > +	} else {
> > +		/* XXX Don't know how to get VRAM type yet. */
> > +		adev->mc.vram_type = AMDGPU_VRAM_TYPE_HBM;
> > +	}
> > +
> > +	/* This interrupt is VMC page fault.*/
> > +	r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VMC, 0,
> > +				&adev->mc.vm_fault);
> > +
> > +	if (r)
> > +		return r;
> > +
> > +	/* Adjust VM size here.
> > +	 * Currently default to 64GB ((16 << 20) 4k pages).
> > +	 * Max GPUVM size is 48 bits.
> > +	 */
> > +	adev->vm_manager.max_pfn = amdgpu_vm_size << 18;
> > +
> > +	/* Set the internal MC address mask
> > +	 * This is the max address of the GPU's
> > +	 * internal address space.
> > +	 */
> > +	adev->mc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
> > +
> > +	/* set DMA mask + need_dma32 flags.
> > +	 * PCIE - can handle 44-bits.
> > +	 * IGP - can handle 44-bits
> > +	 * PCI - dma32 for legacy pci gart, 44 bits on vega10
> > +	 */
> > +	adev->need_dma32 = false;
> > +	dma_bits = adev->need_dma32 ? 32 : 44;
> > +	r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits));
> > +	if (r) {
> > +		adev->need_dma32 = true;
> > +		dma_bits = 32;
> > +		printk(KERN_WARNING "amdgpu: No suitable DMA
> available.\n");
> > +	}
> > +	r = pci_set_consistent_dma_mask(adev->pdev,
> DMA_BIT_MASK(dma_bits));
> > +	if (r) {
> > +		pci_set_consistent_dma_mask(adev->pdev,
> DMA_BIT_MASK(32));
> > +		printk(KERN_WARNING "amdgpu: No coherent DMA
> available.\n");
> > +	}
> > +
> > +	r = gmc_v9_0_mc_init(adev);
> > +	if (r)
> > +		return r;
> > +
> > +	/* Memory manager */
> > +	r = amdgpu_bo_init(adev);
> > +	if (r)
> > +		return r;
> > +
> > +	r = gmc_v9_0_gart_init(adev);
> > +	if (r)
> > +		return r;
> > +
> > +	if (!adev->vm_manager.enabled) {
> > +		r = gmc_v9_0_vm_init(adev);
> > +		if (r) {
> > +			dev_err(adev->dev, "vm manager initialization failed
> (%d).\n", r);
> > +			return r;
> > +		}
> > +		adev->vm_manager.enabled = true;
> > +	}
> > +	return r;
> > +}
> > +
> > +/**
> > + * gmc_v8_0_gart_fini - vm fini callback
> > + *
> > + * @adev: amdgpu_device pointer
> > + *
> > + * Tears down the driver GART/VM setup (CIK).
> > + */
> > +static void gmc_v9_0_gart_fini(struct amdgpu_device *adev)
> > +{
> > +	amdgpu_gart_table_vram_free(adev);
> > +	amdgpu_gart_fini(adev);
> > +}
> > +
> > +static int gmc_v9_0_sw_fini(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	if (adev->vm_manager.enabled) {
> > +		amdgpu_vm_manager_fini(adev);
> > +		gmc_v9_0_vm_fini(adev);
> > +		adev->vm_manager.enabled = false;
> > +	}
> > +	gmc_v9_0_gart_fini(adev);
> > +	amdgpu_gem_force_release(adev);
> > +	amdgpu_bo_fini(adev);
> > +
> > +	return 0;
> > +}
> > +
> > +static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
> > +{
> > +	switch (adev->asic_type) {
> > +	case CHIP_VEGA10:
> > +		break;
> > +	default:
> > +		break;
> > +	}
> > +}
> > +
> > +/**
> > + * gmc_v9_0_gart_enable - gart enable
> > + *
> > + * @adev: amdgpu_device pointer
> > + */
> > +static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
> > +{
> > +	int r;
> > +	bool value;
> > +	u32 tmp;
> > +
> > +	amdgpu_program_register_sequence(adev,
> > +		golden_settings_vega10_hdp,
> > +		(const u32)ARRAY_SIZE(golden_settings_vega10_hdp));
> > +
> > +	if (adev->gart.robj == NULL) {
> > +		dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
> > +		return -EINVAL;
> > +	}
> > +	r = amdgpu_gart_table_vram_pin(adev);
> > +	if (r)
> > +		return r;
> > +
> > +	/* After HDP is initialized, flush HDP.*/
> > +	nbio_v6_1_hdp_flush(adev);
> > +
> > +	r = gfxhub_v1_0_gart_enable(adev);
> > +	if (r)
> > +		return r;
> > +
> > +	r = mmhub_v1_0_gart_enable(adev);
> > +	if (r)
> > +		return r;
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MISC_CNTL));
> > +	tmp |= HDP_MISC_CNTL__FLUSH_INVALIDATE_CACHE_MASK;
> > +	WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MISC_CNTL), tmp);
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(HDP, 0,
> mmHDP_HOST_PATH_CNTL));
> > +	WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_HOST_PATH_CNTL),
> tmp);
> > +
> > +
> > +	if (amdgpu_vm_fault_stop ==
> AMDGPU_VM_FAULT_STOP_ALWAYS)
> > +		value = false;
> > +	else
> > +		value = true;
> > +
> > +	gfxhub_v1_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);
> > +
> > +	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
> > +		 (unsigned)(adev->mc.gtt_size >> 20),
> > +		 (unsigned long long)adev->gart.table_addr);
> > +	adev->gart.ready = true;
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_hw_init(void *handle)
> > +{
> > +	int r;
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	/* The sequence of these two function calls matters.*/
> > +	gmc_v9_0_init_golden_registers(adev);
> > +
> > +	r = gmc_v9_0_gart_enable(adev);
> > +
> > +	return r;
> > +}
> > +
> > +/**
> > + * gmc_v9_0_gart_disable - gart disable
> > + *
> > + * @adev: amdgpu_device pointer
> > + *
> > + * This disables all VM page table.
> > + */
> > +static void gmc_v9_0_gart_disable(struct amdgpu_device *adev)
> > +{
> > +	gfxhub_v1_0_gart_disable(adev);
> > +	mmhub_v1_0_gart_disable(adev);
> > +	amdgpu_gart_table_vram_unpin(adev);
> > +}
> > +
> > +static int gmc_v9_0_hw_fini(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	amdgpu_irq_put(adev, &adev->mc.vm_fault, 0);
> > +	gmc_v9_0_gart_disable(adev);
> > +
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_suspend(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	if (adev->vm_manager.enabled) {
> > +		gmc_v9_0_vm_fini(adev);
> > +		adev->vm_manager.enabled = false;
> > +	}
> > +	gmc_v9_0_hw_fini(adev);
> > +
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_resume(void *handle)
> > +{
> > +	int r;
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	r = gmc_v9_0_hw_init(adev);
> > +	if (r)
> > +		return r;
> > +
> > +	if (!adev->vm_manager.enabled) {
> > +		r = gmc_v9_0_vm_init(adev);
> > +		if (r) {
> > +			dev_err(adev->dev,
> > +				"vm manager initialization failed (%d).\n", r);
> > +			return r;
> > +		}
> > +		adev->vm_manager.enabled = true;
> > +	}
> > +
> > +	return r;
> > +}
> > +
> > +static bool gmc_v9_0_is_idle(void *handle)
> > +{
> > +	/* MC is always ready in GMC v9.*/
> > +	return true;
> > +}
> > +
> > +static int gmc_v9_0_wait_for_idle(void *handle)
> > +{
> > +	/* There is no need to wait for MC idle in GMC v9.*/
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_soft_reset(void *handle)
> > +{
> > +	/* XXX for emulation.*/
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_set_clockgating_state(void *handle,
> > +					enum amd_clockgating_state state)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int gmc_v9_0_set_powergating_state(void *handle,
> > +					enum amd_powergating_state state)
> > +{
> > +	return 0;
> > +}
> > +
> > +const struct amd_ip_funcs gmc_v9_0_ip_funcs = {
> > +	.name = "gmc_v9_0",
> > +	.early_init = gmc_v9_0_early_init,
> > +	.late_init = gmc_v9_0_late_init,
> > +	.sw_init = gmc_v9_0_sw_init,
> > +	.sw_fini = gmc_v9_0_sw_fini,
> > +	.hw_init = gmc_v9_0_hw_init,
> > +	.hw_fini = gmc_v9_0_hw_fini,
> > +	.suspend = gmc_v9_0_suspend,
> > +	.resume = gmc_v9_0_resume,
> > +	.is_idle = gmc_v9_0_is_idle,
> > +	.wait_for_idle = gmc_v9_0_wait_for_idle,
> > +	.soft_reset = gmc_v9_0_soft_reset,
> > +	.set_clockgating_state = gmc_v9_0_set_clockgating_state,
> > +	.set_powergating_state = gmc_v9_0_set_powergating_state,
> > +};
> > +
> > +const struct amdgpu_ip_block_version gmc_v9_0_ip_block =
> > +{
> > +	.type = AMD_IP_BLOCK_TYPE_GMC,
> > +	.major = 9,
> > +	.minor = 0,
> > +	.rev = 0,
> > +	.funcs = &gmc_v9_0_ip_funcs,
> > +};
> > diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h
> b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h
> > new file mode 100644
> > index 0000000..b030ca5
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h
> > @@ -0,0 +1,30 @@
> > +/*
> > + * 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 __GMC_V9_0_H__
> > +#define __GMC_V9_0_H__
> > +
> > +extern const struct amd_ip_funcs gmc_v9_0_ip_funcs;
> > +extern const struct amdgpu_ip_block_version gmc_v9_0_ip_block;
> > +
> > +#endif
> > diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
> b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
> > new file mode 100644
> > index 0000000..b1e0e6b
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
> > @@ -0,0 +1,585 @@
> > +/*
> > + * 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 "mmhub_v1_0.h"
> > +
> > +#include "vega10/soc15ip.h"
> > +#include "vega10/MMHUB/mmhub_1_0_offset.h"
> > +#include "vega10/MMHUB/mmhub_1_0_sh_mask.h"
> > +#include "vega10/MMHUB/mmhub_1_0_default.h"
> > +#include "vega10/ATHUB/athub_1_0_offset.h"
> > +#include "vega10/ATHUB/athub_1_0_sh_mask.h"
> > +#include "vega10/ATHUB/athub_1_0_default.h"
> > +#include "vega10/vega10_enum.h"
> > +
> > +#include "soc15_common.h"
> > +
> > +u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
> > +{
> > +	u64 base = RREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmMC_VM_FB_LOCATION_BASE));
> > +
> > +	base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
> > +	base <<= 24;
> > +
> > +	return base;
> > +}
> > +
> > +int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
> > +{
> > +	u32 tmp;
> > +	u64 value;
> > +	uint64_t addr;
> > +	u32 i;
> > +
> > +	/* Program MC. */
> > +	/* Update configuration */
> > +	DRM_INFO("%s -- in\n", __func__);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmMC_VM_SYSTEM_APERTURE_LOW_ADDR),
> > +		adev->mc.vram_start >> 18);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR),
> > +		adev->mc.vram_end >> 18);
> > +	value = adev->vram_scratch.gpu_addr - adev->mc.vram_start +
> > +		adev->vm_manager.vram_base_offset;
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB),
> > +				(u32)(value >> 12));
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB),
> > +				(u32)(value >> 44));
> > +
> > +	/* Disable AGP. */
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BASE),
> 0);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_TOP),
> 0);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmMC_VM_AGP_BOT),
> 0x00FFFFFF);
> > +
> > +	/* GART Enable. */
> > +
> > +	/* Setup TLB control */
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 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_REG_OFFSET(MMHUB, 0,
> mmMC_VM_MX_L1_TLB_CNTL), tmp);
> > +
> > +	/* Setup L2 cache */
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 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);
> > +	tmp = REG_SET_FIELD(tmp,
> > +				VM_L2_CNTL,
> > +				L2_PDE0_CACHE_TAG_GENERATION_MODE,
> > +				0);/* XXX for emulation, Refer to closed
> source code.*/
> > +	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_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 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_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL2), tmp);
> > +
> > +	tmp = mmVM_L2_CNTL3_DEFAULT;
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), tmp);
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4));
> > +	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_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL4), tmp);
> > +
> > +	/* setup context0 */
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32),
> > +		(u32)(adev->mc.gtt_start >> 12));
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32),
> > +		(u32)(adev->mc.gtt_start >> 44));
> > +
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32),
> > +		(u32)(adev->mc.gtt_end >> 12));
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32),
> > +		(u32)(adev->mc.gtt_end >> 44));
> > +
> > +	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_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32),
> > +		(u32)value);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32),
> > +		(u32)(value >> 32));
> > +
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32),
> > +		(u32)(adev->dummy_page.addr >> 12));
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32),
> > +		(u32)(adev->dummy_page.addr >> 44));
> > +
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_L2_PROTECTION_FAULT_CNTL2));
> > +	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
> > +			    ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY,
> > +			    1);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_L2_PROTECTION_FAULT_CNTL2), tmp);
> > +
> > +	addr = SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
> > +	tmp = RREG32(addr);
> > +
> > +	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_REG_OFFSET(MMHUB, 0,
> mmVM_CONTEXT0_CNTL), tmp);
> > +
> > +	tmp = RREG32(addr);
> > +
> > +	/* Disable identity aperture.*/
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32),
> 0XFFFFFFFF);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32),
> 0x0000000F);
> > +
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32),
> 0);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
> > +
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32),
> 0);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +		mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32),
> 0);
> > +
> > +	for (i = 0; i <= 14; i++) {
> > +		tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 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, 1);
> > +		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,
> > +				amdgpu_vm_block_size - 9);
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_CONTEXT1_CNTL) + i, tmp);
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32) + i*2, 0);
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32) + i*2, 0);
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32) + i*2,
> > +				adev->vm_manager.max_pfn - 1);
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32) + i*2, 0);
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> > +void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
> > +{
> > +	u32 tmp;
> > +	u32 i;
> > +
> > +	/* Disable all tables */
> > +	for (i = 0; i < 16; i++)
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_CONTEXT0_CNTL) + i, 0);
> > +
> > +	/* Setup TLB control */
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 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_REG_OFFSET(MMHUB, 0,
> mmMC_VM_MX_L1_TLB_CNTL), tmp);
> > +
> > +	/* Setup L2 cache */
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL));
> > +	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL), tmp);
> > +	WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_CNTL3), 0);
> > +}
> > +
> > +/**
> > + * mmhub_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 mmhub_v1_0_set_fault_enable_default(struct amdgpu_device
> *adev, bool value)
> > +{
> > +	u32 tmp;
> > +	tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 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_REG_OFFSET(MMHUB, 0,
> mmVM_L2_PROTECTION_FAULT_CNTL), tmp);
> > +}
> > +
> > +static uint32_t mmhub_v1_0_get_invalidate_req(unsigned int vm_id)
> > +{
> > +	u32 req = 0;
> > +
> > +	/* invalidate using legacy mode on vm_id*/
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> > +			    PER_VMID_INVALIDATE_REQ, 1 << vm_id);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> FLUSH_TYPE, 0);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PTES, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PDE0, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PDE1, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L2_PDE2, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> INVALIDATE_L1_PTES, 1);
> > +	req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
> > +			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);
> > +
> > +	return req;
> > +}
> > +
> > +static uint32_t mmhub_v1_0_get_vm_protection_bits(void)
> > +{
> > +	return
> (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT
> _MASK |
> > +
> VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTE
> RRUPT_MASK |
> > +
> VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_M
> ASK |
> > +
> VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_
> MASK |
> > +
> VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_M
> ASK |
> > +
> VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_
> MASK |
> > +
> VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT
> _MASK);
> > +}
> > +
> > +static int mmhub_v1_0_early_init(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_late_init(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_sw_init(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB];
> > +
> > +	hub->ctx0_ptb_addr_lo32 =
> > +		SOC15_REG_OFFSET(MMHUB, 0,
> > +
> mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
> > +	hub->ctx0_ptb_addr_hi32 =
> > +		SOC15_REG_OFFSET(MMHUB, 0,
> > +
> mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
> > +	hub->vm_inv_eng0_req =
> > +		SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_INVALIDATE_ENG0_REQ);
> > +	hub->vm_inv_eng0_ack =
> > +		SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_INVALIDATE_ENG0_ACK);
> > +	hub->vm_context0_cntl =
> > +		SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
> > +	hub->vm_l2_pro_fault_status =
> > +		SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_L2_PROTECTION_FAULT_STATUS);
> > +	hub->vm_l2_pro_fault_cntl =
> > +		SOC15_REG_OFFSET(MMHUB, 0,
> mmVM_L2_PROTECTION_FAULT_CNTL);
> > +
> > +	hub->get_invalidate_req = mmhub_v1_0_get_invalidate_req;
> > +	hub->get_vm_protection_bits =
> mmhub_v1_0_get_vm_protection_bits;
> > +
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_sw_fini(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_hw_init(void *handle)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +	unsigned i;
> > +
> > +	for (i = 0; i < 18; ++i) {
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32) +
> > +		       2 * i, 0xffffffff);
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> > +
> 	mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32) +
> > +		       2 * i, 0x1f);
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_hw_fini(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_suspend(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_resume(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static bool mmhub_v1_0_is_idle(void *handle)
> > +{
> > +	return true;
> > +}
> > +
> > +static int mmhub_v1_0_wait_for_idle(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_soft_reset(void *handle)
> > +{
> > +	return 0;
> > +}
> > +
> > +static void mmhub_v1_0_update_medium_grain_clock_gating(struct
> amdgpu_device *adev,
> > +							bool enable)
> > +{
> > +	uint32_t def, data, def1, data1, def2, data2;
> > +
> > +	def  = data  = RREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmATC_L2_MISC_CG));
> > +	def1 = data1 = RREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmDAGB0_CNTL_MISC2));
> > +	def2 = data2 = RREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmDAGB1_CNTL_MISC2));
> > +
> > +	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
> > +		data |= ATC_L2_MISC_CG__ENABLE_MASK;
> > +
> > +		data1 &=
> ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
> > +		           DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
> > +		           DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
> > +		           DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
> > +		           DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
> > +		           DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
> > +
> > +		data2 &=
> ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
> > +		           DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
> > +		           DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
> > +		           DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
> > +		           DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
> > +		           DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
> > +	} else {
> > +		data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
> > +
> > +		data1 |=
> (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
> > +			  DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK
> |
> > +			  DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK
> |
> > +			  DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK
> |
> > +			  DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK
> |
> > +
> DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
> > +
> > +		data2 |=
> (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
> > +		          DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
> > +		          DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
> > +		          DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
> > +		          DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
> > +		          DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
> > +	}
> > +
> > +	if (def != data)
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmATC_L2_MISC_CG), data);
> > +
> > +	if (def1 != data1)
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmDAGB0_CNTL_MISC2), data1);
> > +
> > +	if (def2 != data2)
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmDAGB1_CNTL_MISC2), data2);
> > +}
> > +
> > +static void athub_update_medium_grain_clock_gating(struct
> amdgpu_device *adev,
> > +						   bool enable)
> > +{
> > +	uint32_t def, data;
> > +
> > +	def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0,
> mmATHUB_MISC_CNTL));
> > +
> > +	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))
> > +		data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;
> > +	else
> > +		data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;
> > +
> > +	if (def != data)
> > +		WREG32(SOC15_REG_OFFSET(ATHUB, 0,
> mmATHUB_MISC_CNTL), data);
> > +}
> > +
> > +static void mmhub_v1_0_update_medium_grain_light_sleep(struct
> amdgpu_device *adev,
> > +						       bool enable)
> > +{
> > +	uint32_t def, data;
> > +
> > +	def = data = RREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmATC_L2_MISC_CG));
> > +
> > +	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
> > +		data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
> > +	else
> > +		data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
> > +
> > +	if (def != data)
> > +		WREG32(SOC15_REG_OFFSET(MMHUB, 0,
> mmATC_L2_MISC_CG), data);
> > +}
> > +
> > +static void athub_update_medium_grain_light_sleep(struct
> amdgpu_device *adev,
> > +						  bool enable)
> > +{
> > +	uint32_t def, data;
> > +
> > +	def = data = RREG32(SOC15_REG_OFFSET(ATHUB, 0,
> mmATHUB_MISC_CNTL));
> > +
> > +	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&
> > +	    (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
> > +		data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
> > +	else
> > +		data &=
> ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;
> > +
> > +	if(def != data)
> > +		WREG32(SOC15_REG_OFFSET(ATHUB, 0,
> mmATHUB_MISC_CNTL), data);
> > +}
> > +
> > +static int mmhub_v1_0_set_clockgating_state(void *handle,
> > +					enum amd_clockgating_state state)
> > +{
> > +	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
> > +
> > +	switch (adev->asic_type) {
> > +	case CHIP_VEGA10:
> > +		mmhub_v1_0_update_medium_grain_clock_gating(adev,
> > +				state == AMD_CG_STATE_GATE ? true :
> false);
> > +		athub_update_medium_grain_clock_gating(adev,
> > +				state == AMD_CG_STATE_GATE ? true :
> false);
> > +		mmhub_v1_0_update_medium_grain_light_sleep(adev,
> > +				state == AMD_CG_STATE_GATE ? true :
> false);
> > +		athub_update_medium_grain_light_sleep(adev,
> > +				state == AMD_CG_STATE_GATE ? true :
> false);
> > +		break;
> > +	default:
> > +		break;
> > +	}
> > +
> > +	return 0;
> > +}
> > +
> > +static int mmhub_v1_0_set_powergating_state(void *handle,
> > +					enum amd_powergating_state state)
> > +{
> > +	return 0;
> > +}
> > +
> > +const struct amd_ip_funcs mmhub_v1_0_ip_funcs = {
> > +	.name = "mmhub_v1_0",
> > +	.early_init = mmhub_v1_0_early_init,
> > +	.late_init = mmhub_v1_0_late_init,
> > +	.sw_init = mmhub_v1_0_sw_init,
> > +	.sw_fini = mmhub_v1_0_sw_fini,
> > +	.hw_init = mmhub_v1_0_hw_init,
> > +	.hw_fini = mmhub_v1_0_hw_fini,
> > +	.suspend = mmhub_v1_0_suspend,
> > +	.resume = mmhub_v1_0_resume,
> > +	.is_idle = mmhub_v1_0_is_idle,
> > +	.wait_for_idle = mmhub_v1_0_wait_for_idle,
> > +	.soft_reset = mmhub_v1_0_soft_reset,
> > +	.set_clockgating_state = mmhub_v1_0_set_clockgating_state,
> > +	.set_powergating_state = mmhub_v1_0_set_powergating_state,
> > +};
> > +
> > +const struct amdgpu_ip_block_version mmhub_v1_0_ip_block =
> > +{
> > +	.type = AMD_IP_BLOCK_TYPE_MMHUB,
> > +	.major = 1,
> > +	.minor = 0,
> > +	.rev = 0,
> > +	.funcs = &mmhub_v1_0_ip_funcs,
> > +};
> > diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
> b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
> > new file mode 100644
> > index 0000000..aadedf9
> > --- /dev/null
> > +++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h
> > @@ -0,0 +1,35 @@
> > +/*
> > + * 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 __MMHUB_V1_0_H__
> > +#define __MMHUB_V1_0_H__
> > +
> > +u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev);
> > +int mmhub_v1_0_gart_enable(struct amdgpu_device *adev);
> > +void mmhub_v1_0_gart_disable(struct amdgpu_device *adev);
> > +void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device
> *adev,
> > +					 bool value);
> > +
> > +extern const struct amd_ip_funcs mmhub_v1_0_ip_funcs;
> > +extern const struct amdgpu_ip_block_version mmhub_v1_0_ip_block;
> > +
> > +#endif
> > diff --git a/drivers/gpu/drm/amd/include/amd_shared.h
> b/drivers/gpu/drm/amd/include/amd_shared.h
> > index 717d6be..a94420d 100644
> > --- a/drivers/gpu/drm/amd/include/amd_shared.h
> > +++ b/drivers/gpu/drm/amd/include/amd_shared.h
> > @@ -74,6 +74,8 @@ enum amd_ip_block_type {
> >   	AMD_IP_BLOCK_TYPE_UVD,
> >   	AMD_IP_BLOCK_TYPE_VCE,
> >   	AMD_IP_BLOCK_TYPE_ACP,
> > +	AMD_IP_BLOCK_TYPE_GFXHUB,
> > +	AMD_IP_BLOCK_TYPE_MMHUB
> >   };
> >
> >   enum amd_clockgating_state {
> 



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