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drm/amdgpu: Add GMC 9.0 support (v2)

Browse Source 
On SOC-15 parts, the GMC (Graphics Memory Controller) consists
of two hubs: GFX (graphics and compute) and MM (sdma, uvd, vce).

v2: drop sdma from Makefile, fix duplicate return statement.

Signed-off-by: Alex Xie <AlexBin.Xie@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Xie 2017-03-09 11:36:26 -05:00 committed by Alex Deucher
parent c1d83da980
commit e60f8db5e4
10 changed files with 2013 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/amdgpu/Makefile
View File

@ -39,7 +39,8 @@ 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 += \

30
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -121,6 +121,11 @@ 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)
@ -308,6 +313,12 @@ 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);
};
/* provided by the ih block */
struct amdgpu_ih_funcs {
/* ring read/write ptr handling, called from interrupt context */
@ -556,6 +567,21 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
dma_addr_t *dma_addr, uint64_t flags);
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);
};
/*
* GPU MC structures, functions & helpers
*/
@ -589,6 +615,9 @@ 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;
};
/*
@ -1473,6 +1502,7 @@ 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;

28
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -447,6 +447,16 @@ 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
*
@ -477,9 +487,10 @@ 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 dma_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)
@ -715,15 +726,18 @@ 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);
}
@ -737,11 +751,13 @@ 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);
}

447
drivers/gpu/drm/amd/amdgpu/gfxhub_v1_0.c Normal file
View File

@ -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_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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,
};

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/*
* 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

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/*
* 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;
}
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,
};

30
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.h Normal file
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/*
* 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

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/*
* 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_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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,
};

35
drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.h Normal file
View File

@ -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

2
drivers/gpu/drm/amd/include/amd_shared.h
View File

@ -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 {