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				synced 2025-11-04 10:40:15 +02:00 
			
		
		
		
	Fix the below checkpatch warnings:
WARNING: static const char * array should probably be static const char * const
+static const char *gfxhub_client_ids[] = {
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
+       unsigned i;
WARNING: static const char * array should probably be static const char * const
+static const char *gfxhub_client_ids[] = {
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
+       unsigned i;
Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
		
	
			
		
			
				
	
	
		
			514 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			514 lines
		
	
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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 * Copyright 2021 Advanced Micro Devices, Inc.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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 * OTHER DEALINGS IN THE SOFTWARE.
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 *
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 */
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#include "amdgpu.h"
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#include "gfxhub_v3_0.h"
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#include "gc/gc_11_0_0_offset.h"
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#include "gc/gc_11_0_0_sh_mask.h"
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#include "gc/gc_11_0_0_default.h"
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#include "navi10_enum.h"
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#include "soc15_common.h"
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static const char * const gfxhub_client_ids[] = {
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	"CB/DB",
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	"Reserved",
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	"GE1",
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	"GE2",
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	"CPF",
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	"CPC",
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	"CPG",
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	"RLC",
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	"TCP",
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	"SQC (inst)",
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	"SQC (data)",
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	"SQG",
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	"Reserved",
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	"SDMA0",
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	"SDMA1",
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	"GCR",
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	"SDMA2",
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	"SDMA3",
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};
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static uint32_t gfxhub_v3_0_get_invalidate_req(unsigned int vmid,
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					       uint32_t flush_type)
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{
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	u32 req = 0;
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	/* invalidate using legacy mode on vmid*/
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
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			    PER_VMID_INVALIDATE_REQ, 1 << vmid);
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
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	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
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			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);
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	return req;
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}
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static void
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gfxhub_v3_0_print_l2_protection_fault_status(struct amdgpu_device *adev,
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					     uint32_t status)
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{
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	u32 cid = REG_GET_FIELD(status,
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				GCVM_L2_PROTECTION_FAULT_STATUS, CID);
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	dev_err(adev->dev,
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		"GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
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		status);
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	dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
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		cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],
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		cid);
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	dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
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		REG_GET_FIELD(status,
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		GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
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	dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
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		REG_GET_FIELD(status,
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		GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
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	dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
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		REG_GET_FIELD(status,
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		GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
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	dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
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		REG_GET_FIELD(status,
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		GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
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	dev_err(adev->dev, "\t RW: 0x%lx\n",
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		REG_GET_FIELD(status,
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		GCVM_L2_PROTECTION_FAULT_STATUS, RW));
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}
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static u64 gfxhub_v3_0_get_fb_location(struct amdgpu_device *adev)
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{
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	u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE);
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	base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
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	base <<= 24;
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	return base;
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}
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static u64 gfxhub_v3_0_get_mc_fb_offset(struct amdgpu_device *adev)
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{
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	return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24;
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}
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static void gfxhub_v3_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
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				uint64_t page_table_base)
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{
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	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
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	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
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			    hub->ctx_addr_distance * vmid,
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			    lower_32_bits(page_table_base));
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	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
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			    hub->ctx_addr_distance * vmid,
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			    upper_32_bits(page_table_base));
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}
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static void gfxhub_v3_0_init_gart_aperture_regs(struct amdgpu_device *adev)
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{
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	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
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	gfxhub_v3_0_setup_vm_pt_regs(adev, 0, pt_base);
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	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
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		     (u32)(adev->gmc.gart_start >> 12));
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	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
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		     (u32)(adev->gmc.gart_start >> 44));
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	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
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		     (u32)(adev->gmc.gart_end >> 12));
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	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
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		     (u32)(adev->gmc.gart_end >> 44));
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}
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static void gfxhub_v3_0_init_system_aperture_regs(struct amdgpu_device *adev)
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{
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	uint64_t value;
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	/* Program the AGP BAR */
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	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);
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	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
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	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
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	/* Program the system aperture low logical page number. */
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	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
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		     min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
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	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
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		     max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
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	/* Set default page address. */
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	value = adev->mem_scratch.gpu_addr - adev->gmc.vram_start
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		+ adev->vm_manager.vram_base_offset;
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	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
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		     (u32)(value >> 12));
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	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
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		     (u32)(value >> 44));
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	/* Program "protection fault". */
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	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
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		     (u32)(adev->dummy_page_addr >> 12));
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	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
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		     (u32)((u64)adev->dummy_page_addr >> 44));
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	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
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		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
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}
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static void gfxhub_v3_0_init_tlb_regs(struct amdgpu_device *adev)
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{
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	uint32_t tmp;
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	/* Setup TLB control */
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	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);
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	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
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	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
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	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
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			    ENABLE_ADVANCED_DRIVER_MODEL, 1);
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	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
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			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
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	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
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	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
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			    MTYPE, MTYPE_UC); /* UC, uncached */
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	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
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}
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static void gfxhub_v3_0_init_cache_regs(struct amdgpu_device *adev)
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{
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	uint32_t tmp;
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	/* These registers are not accessible to VF-SRIOV.
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	 * The PF will program them instead.
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	 */
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	if (amdgpu_sriov_vf(adev))
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		return;
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	/* Setup L2 cache */
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	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
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			    ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
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	/* XXX for emulation, Refer to closed source code.*/
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
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			    L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp);
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	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp);
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	tmp = regGCVM_L2_CNTL3_DEFAULT;
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	if (adev->gmc.translate_further) {
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		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
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		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
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				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
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	} else {
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		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
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		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
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				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
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	}
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	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp);
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	tmp = regGCVM_L2_CNTL4_DEFAULT;
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp);
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	tmp = regGCVM_L2_CNTL5_DEFAULT;
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	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp);
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}
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static void gfxhub_v3_0_enable_system_domain(struct amdgpu_device *adev)
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{
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	uint32_t tmp;
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	tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL);
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	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
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	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
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	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
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			    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
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	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp);
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}
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static void gfxhub_v3_0_disable_identity_aperture(struct amdgpu_device *adev)
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{
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	/* These registers are not accessible to VF-SRIOV.
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	 * The PF will program them instead.
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	 */
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	if (amdgpu_sriov_vf(adev))
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		return;
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	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
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		     0xFFFFFFFF);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
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		     0x0000000F);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
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		     0);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
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		     0);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
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	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
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}
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static void gfxhub_v3_0_setup_vmid_config(struct amdgpu_device *adev)
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{
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	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
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	int i;
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	uint32_t tmp;
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	for (i = 0; i <= 14; i++) {
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		tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
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				    adev->vm_manager.num_level);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
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		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
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				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, GCVM_CONTEXT1_CNTL,
 | 
						|
				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
 | 
						|
				    !amdgpu_noretry);
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL,
 | 
						|
				    i * hub->ctx_distance, tmp);
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
 | 
						|
				    i * hub->ctx_addr_distance, 0);
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
 | 
						|
				    i * hub->ctx_addr_distance, 0);
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
 | 
						|
				    i * hub->ctx_addr_distance,
 | 
						|
				    lower_32_bits(adev->vm_manager.max_pfn - 1));
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
 | 
						|
				    i * hub->ctx_addr_distance,
 | 
						|
				    upper_32_bits(adev->vm_manager.max_pfn - 1));
 | 
						|
	}
 | 
						|
 | 
						|
	hub->vm_cntx_cntl = tmp;
 | 
						|
}
 | 
						|
 | 
						|
static void gfxhub_v3_0_program_invalidation(struct amdgpu_device *adev)
 | 
						|
{
 | 
						|
	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
 | 
						|
	unsigned int i;
 | 
						|
 | 
						|
	for (i = 0 ; i < 18; ++i) {
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
 | 
						|
				    i * hub->eng_addr_distance, 0xffffffff);
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
 | 
						|
				    i * hub->eng_addr_distance, 0x1f);
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
static int gfxhub_v3_0_gart_enable(struct amdgpu_device *adev)
 | 
						|
{
 | 
						|
	if (amdgpu_sriov_vf(adev)) {
 | 
						|
		/*
 | 
						|
		 * GCMC_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, regGCMC_VM_FB_LOCATION_BASE,
 | 
						|
			     adev->gmc.vram_start >> 24);
 | 
						|
		WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP,
 | 
						|
			     adev->gmc.vram_end >> 24);
 | 
						|
	}
 | 
						|
 | 
						|
	/* GART Enable. */
 | 
						|
	gfxhub_v3_0_init_gart_aperture_regs(adev);
 | 
						|
	gfxhub_v3_0_init_system_aperture_regs(adev);
 | 
						|
	gfxhub_v3_0_init_tlb_regs(adev);
 | 
						|
	gfxhub_v3_0_init_cache_regs(adev);
 | 
						|
 | 
						|
	gfxhub_v3_0_enable_system_domain(adev);
 | 
						|
	gfxhub_v3_0_disable_identity_aperture(adev);
 | 
						|
	gfxhub_v3_0_setup_vmid_config(adev);
 | 
						|
	gfxhub_v3_0_program_invalidation(adev);
 | 
						|
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
static void gfxhub_v3_0_gart_disable(struct amdgpu_device *adev)
 | 
						|
{
 | 
						|
	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
 | 
						|
	u32 tmp;
 | 
						|
	u32 i;
 | 
						|
 | 
						|
	/* Disable all tables */
 | 
						|
	for (i = 0; i < 16; i++)
 | 
						|
		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL,
 | 
						|
				    i * hub->ctx_distance, 0);
 | 
						|
 | 
						|
	/* Setup TLB control */
 | 
						|
	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
 | 
						|
			    ENABLE_ADVANCED_DRIVER_MODEL, 0);
 | 
						|
	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
 | 
						|
 | 
						|
	/* Setup L2 cache */
 | 
						|
	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
 | 
						|
	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0);
 | 
						|
}
 | 
						|
 | 
						|
/**
 | 
						|
 * gfxhub_v3_0_set_fault_enable_default - update GART/VM fault handling
 | 
						|
 *
 | 
						|
 * @adev: amdgpu_device pointer
 | 
						|
 * @value: true redirects VM faults to the default page
 | 
						|
 */
 | 
						|
static void gfxhub_v3_0_set_fault_enable_default(struct amdgpu_device *adev,
 | 
						|
					  bool value)
 | 
						|
{
 | 
						|
	u32 tmp;
 | 
						|
 | 
						|
	/* NO halt CP when page fault */
 | 
						|
	tmp = RREG32_SOC15(GC, 0, regCP_DEBUG);
 | 
						|
	tmp = REG_SET_FIELD(tmp, CP_DEBUG, CPG_UTCL1_ERROR_HALT_DISABLE, 1);
 | 
						|
	WREG32_SOC15(GC, 0, regCP_DEBUG, tmp);
 | 
						|
 | 
						|
	/* These registers are not accessible to VF-SRIOV.
 | 
						|
	 * The PF will program them instead.
 | 
						|
	 */
 | 
						|
	if (amdgpu_sriov_vf(adev))
 | 
						|
		return;
 | 
						|
 | 
						|
	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
 | 
						|
			    value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
			    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
 | 
						|
	if (!value) {
 | 
						|
		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
				CRASH_ON_NO_RETRY_FAULT, 1);
 | 
						|
		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
 | 
						|
				CRASH_ON_RETRY_FAULT, 1);
 | 
						|
	}
 | 
						|
	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
 | 
						|
}
 | 
						|
 | 
						|
static const struct amdgpu_vmhub_funcs gfxhub_v3_0_vmhub_funcs = {
 | 
						|
	.print_l2_protection_fault_status = gfxhub_v3_0_print_l2_protection_fault_status,
 | 
						|
	.get_invalidate_req = gfxhub_v3_0_get_invalidate_req,
 | 
						|
};
 | 
						|
 | 
						|
static void gfxhub_v3_0_init(struct amdgpu_device *adev)
 | 
						|
{
 | 
						|
	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)];
 | 
						|
 | 
						|
	hub->ctx0_ptb_addr_lo32 =
 | 
						|
		SOC15_REG_OFFSET(GC, 0,
 | 
						|
				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
 | 
						|
	hub->ctx0_ptb_addr_hi32 =
 | 
						|
		SOC15_REG_OFFSET(GC, 0,
 | 
						|
				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
 | 
						|
	hub->vm_inv_eng0_sem =
 | 
						|
		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM);
 | 
						|
	hub->vm_inv_eng0_req =
 | 
						|
		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ);
 | 
						|
	hub->vm_inv_eng0_ack =
 | 
						|
		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK);
 | 
						|
	hub->vm_context0_cntl =
 | 
						|
		SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL);
 | 
						|
	hub->vm_l2_pro_fault_status =
 | 
						|
		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS);
 | 
						|
	hub->vm_l2_pro_fault_cntl =
 | 
						|
		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);
 | 
						|
 | 
						|
	hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL;
 | 
						|
	hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
 | 
						|
		regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
 | 
						|
	hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ -
 | 
						|
		regGCVM_INVALIDATE_ENG0_REQ;
 | 
						|
	hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
 | 
						|
		regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
 | 
						|
 | 
						|
	hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 | 
						|
		GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 | 
						|
		GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 | 
						|
		GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 | 
						|
		GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 | 
						|
		GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
 | 
						|
		GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
 | 
						|
 | 
						|
	hub->vmhub_funcs = &gfxhub_v3_0_vmhub_funcs;
 | 
						|
}
 | 
						|
 | 
						|
const struct amdgpu_gfxhub_funcs gfxhub_v3_0_funcs = {
 | 
						|
	.get_fb_location = gfxhub_v3_0_get_fb_location,
 | 
						|
	.get_mc_fb_offset = gfxhub_v3_0_get_mc_fb_offset,
 | 
						|
	.setup_vm_pt_regs = gfxhub_v3_0_setup_vm_pt_regs,
 | 
						|
	.gart_enable = gfxhub_v3_0_gart_enable,
 | 
						|
	.gart_disable = gfxhub_v3_0_gart_disable,
 | 
						|
	.set_fault_enable_default = gfxhub_v3_0_set_fault_enable_default,
 | 
						|
	.init = gfxhub_v3_0_init,
 | 
						|
};
 |