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linux/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

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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 <linux/pci.h>
#include <drm/drm_cache.h>
#include "amdgpu.h"
#include "gmc_v9_0.h"
#include "amdgpu_atomfirmware.h"
#include "amdgpu_gem.h"
#include "hdp/hdp_4_0_offset.h"
#include "hdp/hdp_4_0_sh_mask.h"
#include "gc/gc_9_0_sh_mask.h"
#include "dce/dce_12_0_offset.h"
#include "dce/dce_12_0_sh_mask.h"
#include "vega10_enum.h"
#include "mmhub/mmhub_1_0_offset.h"
#include "athub/athub_1_0_offset.h"
#include "oss/osssys_4_0_offset.h"
#include "soc15.h"
#include "soc15_common.h"
#include "umc/umc_6_0_sh_mask.h"
#include "gfxhub_v1_0.h"
#include "mmhub_v1_0.h"
#include "athub_v1_0.h"
#include "gfxhub_v1_1.h"
#include "mmhub_v9_4.h"
#include "umc_v6_1.h"
#include "umc_v6_0.h"
#include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
#include "amdgpu_ras.h"
#include "amdgpu_xgmi.h"
/* add these here since we already include dce12 headers and these are for DCN */
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0x055d
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0x0
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0x10
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0x00003FFFL
#define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0x3FFF0000L
/* 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 const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] =
{
SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmDAGB1_WRCLI2, 0x00000007, 0xfe5fe0fa),
SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0x00000030, 0x55555565)
};
static const struct soc15_reg_golden golden_settings_athub_1_0_0[] =
{
SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL, 0x0000ff00, 0x00000800),
SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL2, 0x00ff00ff, 0x00080008)
};
static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = {
(0x000143c0 + 0x00000000),
(0x000143c0 + 0x00000800),
(0x000143c0 + 0x00001000),
(0x000143c0 + 0x00001800),
(0x000543c0 + 0x00000000),
(0x000543c0 + 0x00000800),
(0x000543c0 + 0x00001000),
(0x000543c0 + 0x00001800),
(0x000943c0 + 0x00000000),
(0x000943c0 + 0x00000800),
(0x000943c0 + 0x00001000),
(0x000943c0 + 0x00001800),
(0x000d43c0 + 0x00000000),
(0x000d43c0 + 0x00000800),
(0x000d43c0 + 0x00001000),
(0x000d43c0 + 0x00001800),
(0x001143c0 + 0x00000000),
(0x001143c0 + 0x00000800),
(0x001143c0 + 0x00001000),
(0x001143c0 + 0x00001800),
(0x001543c0 + 0x00000000),
(0x001543c0 + 0x00000800),
(0x001543c0 + 0x00001000),
(0x001543c0 + 0x00001800),
(0x001943c0 + 0x00000000),
(0x001943c0 + 0x00000800),
(0x001943c0 + 0x00001000),
(0x001943c0 + 0x00001800),
(0x001d43c0 + 0x00000000),
(0x001d43c0 + 0x00000800),
(0x001d43c0 + 0x00001000),
(0x001d43c0 + 0x00001800),
};
static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = {
(0x000143e0 + 0x00000000),
(0x000143e0 + 0x00000800),
(0x000143e0 + 0x00001000),
(0x000143e0 + 0x00001800),
(0x000543e0 + 0x00000000),
(0x000543e0 + 0x00000800),
(0x000543e0 + 0x00001000),
(0x000543e0 + 0x00001800),
(0x000943e0 + 0x00000000),
(0x000943e0 + 0x00000800),
(0x000943e0 + 0x00001000),
(0x000943e0 + 0x00001800),
(0x000d43e0 + 0x00000000),
(0x000d43e0 + 0x00000800),
(0x000d43e0 + 0x00001000),
(0x000d43e0 + 0x00001800),
(0x001143e0 + 0x00000000),
(0x001143e0 + 0x00000800),
(0x001143e0 + 0x00001000),
(0x001143e0 + 0x00001800),
(0x001543e0 + 0x00000000),
(0x001543e0 + 0x00000800),
(0x001543e0 + 0x00001000),
(0x001543e0 + 0x00001800),
(0x001943e0 + 0x00000000),
(0x001943e0 + 0x00000800),
(0x001943e0 + 0x00001000),
(0x001943e0 + 0x00001800),
(0x001d43e0 + 0x00000000),
(0x001d43e0 + 0x00000800),
(0x001d43e0 + 0x00001000),
(0x001d43e0 + 0x00001800),
};
static const uint32_t ecc_umc_mcumc_status_addrs[] = {
(0x000143c2 + 0x00000000),
(0x000143c2 + 0x00000800),
(0x000143c2 + 0x00001000),
(0x000143c2 + 0x00001800),
(0x000543c2 + 0x00000000),
(0x000543c2 + 0x00000800),
(0x000543c2 + 0x00001000),
(0x000543c2 + 0x00001800),
(0x000943c2 + 0x00000000),
(0x000943c2 + 0x00000800),
(0x000943c2 + 0x00001000),
(0x000943c2 + 0x00001800),
(0x000d43c2 + 0x00000000),
(0x000d43c2 + 0x00000800),
(0x000d43c2 + 0x00001000),
(0x000d43c2 + 0x00001800),
(0x001143c2 + 0x00000000),
(0x001143c2 + 0x00000800),
(0x001143c2 + 0x00001000),
(0x001143c2 + 0x00001800),
(0x001543c2 + 0x00000000),
(0x001543c2 + 0x00000800),
(0x001543c2 + 0x00001000),
(0x001543c2 + 0x00001800),
(0x001943c2 + 0x00000000),
(0x001943c2 + 0x00000800),
(0x001943c2 + 0x00001000),
(0x001943c2 + 0x00001800),
(0x001d43c2 + 0x00000000),
(0x001d43c2 + 0x00000800),
(0x001d43c2 + 0x00001000),
(0x001d43c2 + 0x00001800),
};
static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *src,
unsigned type,
enum amdgpu_interrupt_state state)
{
u32 bits, i, tmp, reg;
bits = 0x7f;
switch (state) {
case AMDGPU_IRQ_STATE_DISABLE:
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_addrs[i];
tmp = RREG32(reg);
tmp &= ~bits;
WREG32(reg, tmp);
}
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
tmp = RREG32(reg);
tmp &= ~bits;
WREG32(reg, tmp);
}
break;
case AMDGPU_IRQ_STATE_ENABLE:
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_addrs[i];
tmp = RREG32(reg);
tmp |= bits;
WREG32(reg, tmp);
}
for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
tmp = RREG32(reg);
tmp |= bits;
WREG32(reg, tmp);
}
break;
default:
break;
}
return 0;
}
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, j;
bits = 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;
switch (state) {
case AMDGPU_IRQ_STATE_DISABLE:
for (j = 0; j < adev->num_vmhubs; j++) {
hub = &adev->vmhub[j];
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:
for (j = 0; j < adev->num_vmhubs; j++) {
hub = &adev->vmhub[j];
for (i = 0; i < 16; i++) {
reg = hub->vm_context0_cntl + i;
tmp = RREG32(reg);
tmp |= bits;
WREG32(reg, tmp);
}
}
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 *hub;
bool retry_fault = !!(entry->src_data[1] & 0x80);
uint32_t status = 0;
u64 addr;
char hub_name[10];
addr = (u64)entry->src_data[0] << 12;
addr |= ((u64)entry->src_data[1] & 0xf) << 44;
if (retry_fault && amdgpu_gmc_filter_faults(adev, addr, entry->pasid,
entry->timestamp))
return 1; /* This also prevents sending it to KFD */
if (entry->client_id == SOC15_IH_CLIENTID_VMC) {
snprintf(hub_name, sizeof(hub_name), "mmhub0");
hub = &adev->vmhub[AMDGPU_MMHUB_0];
} else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) {
snprintf(hub_name, sizeof(hub_name), "mmhub1");
hub = &adev->vmhub[AMDGPU_MMHUB_1];
} else {
snprintf(hub_name, sizeof(hub_name), "gfxhub0");
hub = &adev->vmhub[AMDGPU_GFXHUB_0];
}
/* If it's the first fault for this address, process it normally */
if (retry_fault && !in_interrupt() &&
amdgpu_vm_handle_fault(adev, entry->pasid, addr))
return 1; /* This also prevents sending it to KFD */
if (!amdgpu_sriov_vf(adev)) {
/*
* Issue a dummy read to wait for the status register to
* be updated to avoid reading an incorrect value due to
* the new fast GRBM interface.
*/
if (entry->vmid_src == AMDGPU_GFXHUB_0)
RREG32(hub->vm_l2_pro_fault_status);
status = RREG32(hub->vm_l2_pro_fault_status);
WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
}
if (printk_ratelimit()) {
struct amdgpu_task_info task_info;
memset(&task_info, 0, sizeof(struct amdgpu_task_info));
amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
dev_err(adev->dev,
"[%s] %s page fault (src_id:%u ring:%u vmid:%u "
"pasid:%u, for process %s pid %d thread %s pid %d)\n",
hub_name, retry_fault ? "retry" : "no-retry",
entry->src_id, entry->ring_id, entry->vmid,
entry->pasid, task_info.process_name, task_info.tgid,
task_info.task_name, task_info.pid);
dev_err(adev->dev, " in page starting at address 0x%016llx from client %d\n",
addr, entry->client_id);
if (!amdgpu_sriov_vf(adev)) {
dev_err(adev->dev,
"VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
status);
dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
dev_err(adev->dev, "\t RW: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, RW));
}
}
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 const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = {
.set = gmc_v9_0_ecc_interrupt_state,
.process = amdgpu_umc_process_ecc_irq,
};
static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->gmc.vm_fault.num_types = 1;
adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
adev->gmc.ecc_irq.num_types = 1;
adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs;
}
static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
uint32_t flush_type)
{
u32 req = 0;
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
PER_VMID_INVALIDATE_REQ, 1 << vmid);
req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
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;
}
/*
* 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_flush_gpu_tlb - tlb flush with certain type
*
* @adev: amdgpu_device pointer
* @vmid: vm instance to flush
* @flush_type: the flush type
*
* Flush the TLB for the requested page table using certain type.
*/
static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
uint32_t vmhub, uint32_t flush_type)
{
const unsigned eng = 17;
u32 j, tmp;
struct amdgpu_vmhub *hub;
BUG_ON(vmhub >= adev->num_vmhubs);
hub = &adev->vmhub[vmhub];
tmp = gmc_v9_0_get_invalidate_req(vmid, flush_type);
/* This is necessary for a HW workaround under SRIOV as well
* as GFXOFF under bare metal
*/
if (adev->gfx.kiq.ring.sched.ready &&
(amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
!adev->in_gpu_reset) {
uint32_t req = hub->vm_inv_eng0_req + eng;
uint32_t ack = hub->vm_inv_eng0_ack + eng;
amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, tmp,
1 << vmid);
return;
}
spin_lock(&adev->gmc.invalidate_lock);
WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, tmp);
/*
* Issue a dummy read to wait for the ACK register to be cleared
* to avoid a false ACK due to the new fast GRBM interface.
*/
if (vmhub == AMDGPU_GFXHUB_0)
RREG32_NO_KIQ(hub->vm_inv_eng0_req + eng);
for (j = 0; j < adev->usec_timeout; j++) {
tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng);
if (tmp & (1 << vmid))
break;
udelay(1);
}
spin_unlock(&adev->gmc.invalidate_lock);
if (j < adev->usec_timeout)
return;
DRM_ERROR("Timeout waiting for VM flush ACK!\n");
}
static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
unsigned vmid, uint64_t pd_addr)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub];
uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0);
unsigned eng = ring->vm_inv_eng;
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + (2 * vmid),
lower_32_bits(pd_addr));
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid),
upper_32_bits(pd_addr));
amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req + eng,
hub->vm_inv_eng0_ack + eng,
req, 1 << vmid);
return pd_addr;
}
static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
unsigned pasid)
{
struct amdgpu_device *adev = ring->adev;
uint32_t reg;
/* Do nothing because there's no lut register for mmhub1. */
if (ring->funcs->vmhub == AMDGPU_MMHUB_1)
return;
if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
else
reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
amdgpu_ring_emit_wreg(ring, reg, pasid);
}
/*
* 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
*/
static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
{
switch (flags) {
case AMDGPU_VM_MTYPE_DEFAULT:
return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
case AMDGPU_VM_MTYPE_NC:
return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
case AMDGPU_VM_MTYPE_WC:
return AMDGPU_PTE_MTYPE_VG10(MTYPE_WC);
case AMDGPU_VM_MTYPE_RW:
return AMDGPU_PTE_MTYPE_VG10(MTYPE_RW);
case AMDGPU_VM_MTYPE_CC:
return AMDGPU_PTE_MTYPE_VG10(MTYPE_CC);
case AMDGPU_VM_MTYPE_UC:
return AMDGPU_PTE_MTYPE_VG10(MTYPE_UC);
default:
return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
}
}
static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
uint64_t *addr, uint64_t *flags)
{
if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
*addr = adev->vm_manager.vram_base_offset + *addr -
adev->gmc.vram_start;
BUG_ON(*addr & 0xFFFF00000000003FULL);
if (!adev->gmc.translate_further)
return;
if (level == AMDGPU_VM_PDB1) {
/* Set the block fragment size */
if (!(*flags & AMDGPU_PDE_PTE))
*flags |= AMDGPU_PDE_BFS(0x9);
} else if (level == AMDGPU_VM_PDB0) {
if (*flags & AMDGPU_PDE_PTE)
*flags &= ~AMDGPU_PDE_PTE;
else
*flags |= AMDGPU_PTE_TF;
}
}
static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev,
struct amdgpu_bo_va_mapping *mapping,
uint64_t *flags)
{
*flags &= ~AMDGPU_PTE_EXECUTABLE;
*flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
*flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK;
*flags |= mapping->flags & AMDGPU_PTE_MTYPE_VG10_MASK;
if (mapping->flags & AMDGPU_PTE_PRT) {
*flags |= AMDGPU_PTE_PRT;
*flags &= ~AMDGPU_PTE_VALID;
}
if (adev->asic_type == CHIP_ARCTURUS &&
!(*flags & AMDGPU_PTE_SYSTEM) &&
mapping->bo_va->is_xgmi)
*flags |= AMDGPU_PTE_SNOOPED;
}
static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
.flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
.emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
.emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping,
.map_mtype = gmc_v9_0_map_mtype,
.get_vm_pde = gmc_v9_0_get_vm_pde,
.get_vm_pte = gmc_v9_0_get_vm_pte
};
static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev)
{
adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs;
}
static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_VEGA10:
adev->umc.funcs = &umc_v6_0_funcs;
break;
case CHIP_VEGA20:
adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET;
adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
adev->umc.funcs = &umc_v6_1_funcs;
break;
default:
break;
}
}
static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_VEGA20:
adev->mmhub.funcs = &mmhub_v1_0_funcs;
break;
default:
break;
}
}
static int gmc_v9_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
gmc_v9_0_set_gmc_funcs(adev);
gmc_v9_0_set_irq_funcs(adev);
gmc_v9_0_set_umc_funcs(adev);
gmc_v9_0_set_mmhub_funcs(adev);
adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
adev->gmc.shared_aperture_end =
adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
adev->gmc.private_aperture_start = 0x1000000000000000ULL;
adev->gmc.private_aperture_end =
adev->gmc.private_aperture_start + (4ULL << 30) - 1;
return 0;
}
static bool gmc_v9_0_keep_stolen_memory(struct amdgpu_device *adev)
{
/*
* TODO:
* Currently there is a bug where some memory client outside
* of the driver writes to first 8M of VRAM on S3 resume,
* this overrides GART which by default gets placed in first 8M and
* causes VM_FAULTS once GTT is accessed.
* Keep the stolen memory reservation until the while this is not solved.
* Also check code in gmc_v9_0_get_vbios_fb_size and gmc_v9_0_late_init
*/
switch (adev->asic_type) {
case CHIP_VEGA10:
case CHIP_RAVEN:
case CHIP_ARCTURUS:
case CHIP_RENOIR:
return true;
case CHIP_VEGA12:
case CHIP_VEGA20:
default:
return false;
}
}
static int gmc_v9_0_allocate_vm_inv_eng(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring;
unsigned vm_inv_engs[AMDGPU_MAX_VMHUBS] =
{GFXHUB_FREE_VM_INV_ENGS_BITMAP, MMHUB_FREE_VM_INV_ENGS_BITMAP,
GFXHUB_FREE_VM_INV_ENGS_BITMAP};
unsigned i;
unsigned vmhub, inv_eng;
for (i = 0; i < adev->num_rings; ++i) {
ring = adev->rings[i];
vmhub = ring->funcs->vmhub;
inv_eng = ffs(vm_inv_engs[vmhub]);
if (!inv_eng) {
dev_err(adev->dev, "no VM inv eng for ring %s\n",
ring->name);
return -EINVAL;
}
ring->vm_inv_eng = inv_eng - 1;
vm_inv_engs[vmhub] &= ~(1 << ring->vm_inv_eng);
dev_info(adev->dev, "ring %s uses VM inv eng %u on hub %u\n",
ring->name, ring->vm_inv_eng, ring->funcs->vmhub);
}
return 0;
}
static int gmc_v9_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
if (!gmc_v9_0_keep_stolen_memory(adev))
amdgpu_bo_late_init(adev);
r = gmc_v9_0_allocate_vm_inv_eng(adev);
if (r)
return r;
/* Check if ecc is available */
if (!amdgpu_sriov_vf(adev)) {
switch (adev->asic_type) {
case CHIP_VEGA10:
case CHIP_VEGA20:
r = amdgpu_atomfirmware_mem_ecc_supported(adev);
if (!r) {
DRM_INFO("ECC is not present.\n");
if (adev->df_funcs->enable_ecc_force_par_wr_rmw)
adev->df_funcs->enable_ecc_force_par_wr_rmw(adev, false);
} else {
DRM_INFO("ECC is active.\n");
}
r = amdgpu_atomfirmware_sram_ecc_supported(adev);
if (!r) {
DRM_INFO("SRAM ECC is not present.\n");
} else {
DRM_INFO("SRAM ECC is active.\n");
}
break;
default:
break;
}
}
r = amdgpu_gmc_ras_late_init(adev);
if (r)
return r;
return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
}
static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
struct amdgpu_gmc *mc)
{
u64 base = 0;
if (adev->asic_type == CHIP_ARCTURUS)
base = mmhub_v9_4_get_fb_location(adev);
else if (!amdgpu_sriov_vf(adev))
base = mmhub_v1_0_get_fb_location(adev);
/* add the xgmi offset of the physical node */
base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
amdgpu_gmc_vram_location(adev, mc, base);
amdgpu_gmc_gart_location(adev, mc);
amdgpu_gmc_agp_location(adev, mc);
/* base offset of vram pages */
adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev);
/* XXX: add the xgmi offset of the physical node? */
adev->vm_manager.vram_base_offset +=
adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
}
/**
* 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)
{
int r;
/* size in MB on si */
adev->gmc.mc_vram_size =
adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
if (!(adev->flags & AMD_IS_APU)) {
r = amdgpu_device_resize_fb_bar(adev);
if (r)
return r;
}
adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
#ifdef CONFIG_X86_64
if (adev->flags & AMD_IS_APU) {
adev->gmc.aper_base = gfxhub_v1_0_get_mc_fb_offset(adev);
adev->gmc.aper_size = adev->gmc.real_vram_size;
}
#endif
/* In case the PCI BAR is larger than the actual amount of vram */
adev->gmc.visible_vram_size = adev->gmc.aper_size;
if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
/* set the gart size */
if (amdgpu_gart_size == -1) {
switch (adev->asic_type) {
case CHIP_VEGA10: /* all engines support GPUVM */
case CHIP_VEGA12: /* all engines support GPUVM */
case CHIP_VEGA20:
case CHIP_ARCTURUS:
default:
adev->gmc.gart_size = 512ULL << 20;
break;
case CHIP_RAVEN: /* DCE SG support */
case CHIP_RENOIR:
adev->gmc.gart_size = 1024ULL << 20;
break;
}
} else {
adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
}
gmc_v9_0_vram_gtt_location(adev, &adev->gmc);
return 0;
}
static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
{
int r;
if (adev->gart.bo) {
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_VG10(MTYPE_UC) |
AMDGPU_PTE_EXECUTABLE;
return amdgpu_gart_table_vram_alloc(adev);
}
static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev)
{
u32 d1vga_control;
unsigned size;
/*
* TODO Remove once GART corruption is resolved
* Check related code in gmc_v9_0_sw_fini
* */
if (gmc_v9_0_keep_stolen_memory(adev))
return 9 * 1024 * 1024;
d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */
} else {
u32 viewport;
switch (adev->asic_type) {
case CHIP_RAVEN:
case CHIP_RENOIR:
viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
size = (REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
REG_GET_FIELD(viewport,
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) *
4);
break;
case CHIP_VEGA10:
case CHIP_VEGA12:
case CHIP_VEGA20:
default:
viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE);
size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) *
4);
break;
}
}
/* return 0 if the pre-OS buffer uses up most of vram */
if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024))
return 0;
return size;
}
static int gmc_v9_0_sw_init(void *handle)
{
int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
gfxhub_v1_0_init(adev);
if (adev->asic_type == CHIP_ARCTURUS)
mmhub_v9_4_init(adev);
else
mmhub_v1_0_init(adev);
spin_lock_init(&adev->gmc.invalidate_lock);
r = amdgpu_atomfirmware_get_vram_info(adev,
&vram_width, &vram_type, &vram_vendor);
if (amdgpu_sriov_vf(adev))
/* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN,
* and DF related registers is not readable, seems hardcord is the
* only way to set the correct vram_width
*/
adev->gmc.vram_width = 2048;
else if (amdgpu_emu_mode != 1)
adev->gmc.vram_width = vram_width;
if (!adev->gmc.vram_width) {
int chansize, numchan;
/* hbm memory channel size */
if (adev->flags & AMD_IS_APU)
chansize = 64;
else
chansize = 128;
numchan = adev->df_funcs->get_hbm_channel_number(adev);
adev->gmc.vram_width = numchan * chansize;
}
adev->gmc.vram_type = vram_type;
adev->gmc.vram_vendor = vram_vendor;
switch (adev->asic_type) {
case CHIP_RAVEN:
adev->num_vmhubs = 2;
if (adev->rev_id == 0x0 || adev->rev_id == 0x1) {
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
} else {
/* vm_size is 128TB + 512GB for legacy 3-level page support */
amdgpu_vm_adjust_size(adev, 128 * 1024 + 512, 9, 2, 48);
adev->gmc.translate_further =
adev->vm_manager.num_level > 1;
}
break;
case CHIP_VEGA10:
case CHIP_VEGA12:
case CHIP_VEGA20:
case CHIP_RENOIR:
adev->num_vmhubs = 2;
/*
* To fulfill 4-level page support,
* vm size is 256TB (48bit), maximum size of Vega10,
* block size 512 (9bit)
*/
/* sriov restrict max_pfn below AMDGPU_GMC_HOLE */
if (amdgpu_sriov_vf(adev))
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 47);
else
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
break;
case CHIP_ARCTURUS:
adev->num_vmhubs = 3;
/* Keep the vm size same with Vega20 */
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
break;
default:
break;
}
/* This interrupt is VMC page fault.*/
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT,
&adev->gmc.vm_fault);
if (r)
return r;
if (adev->asic_type == CHIP_ARCTURUS) {
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC1, VMC_1_0__SRCID__VM_FAULT,
&adev->gmc.vm_fault);
if (r)
return r;
}
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT,
&adev->gmc.vm_fault);
if (r)
return r;
/* interrupt sent to DF. */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
&adev->gmc.ecc_irq);
if (r)
return r;
/* Set the internal MC address mask
* This is the max address of the GPU's
* internal address space.
*/
adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
if (r) {
printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
return r;
}
adev->need_swiotlb = drm_need_swiotlb(44);
if (adev->gmc.xgmi.supported) {
r = gfxhub_v1_1_get_xgmi_info(adev);
if (r)
return r;
}
r = gmc_v9_0_mc_init(adev);
if (r)
return r;
adev->gmc.stolen_size = gmc_v9_0_get_vbios_fb_size(adev);
/* Memory manager */
r = amdgpu_bo_init(adev);
if (r)
return r;
r = gmc_v9_0_gart_init(adev);
if (r)
return r;
/*
* 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.id_mgr[AMDGPU_GFXHUB_0].num_ids = AMDGPU_NUM_OF_VMIDS;
adev->vm_manager.id_mgr[AMDGPU_MMHUB_0].num_ids = AMDGPU_NUM_OF_VMIDS;
adev->vm_manager.id_mgr[AMDGPU_MMHUB_1].num_ids = AMDGPU_NUM_OF_VMIDS;
amdgpu_vm_manager_init(adev);
return 0;
}
static int gmc_v9_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
void *stolen_vga_buf;
amdgpu_gmc_ras_fini(adev);
amdgpu_gem_force_release(adev);
amdgpu_vm_manager_fini(adev);
if (gmc_v9_0_keep_stolen_memory(adev))
amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, &stolen_vga_buf);
amdgpu_gart_table_vram_free(adev);
amdgpu_bo_fini(adev);
amdgpu_gart_fini(adev);
return 0;
}
static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_VEGA10:
if (amdgpu_sriov_vf(adev))
break;
/* fall through */
case CHIP_VEGA20:
soc15_program_register_sequence(adev,
golden_settings_mmhub_1_0_0,
ARRAY_SIZE(golden_settings_mmhub_1_0_0));
soc15_program_register_sequence(adev,
golden_settings_athub_1_0_0,
ARRAY_SIZE(golden_settings_athub_1_0_0));
break;
case CHIP_VEGA12:
break;
case CHIP_RAVEN:
/* TODO for renoir */
soc15_program_register_sequence(adev,
golden_settings_athub_1_0_0,
ARRAY_SIZE(golden_settings_athub_1_0_0));
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;
if (adev->gart.bo == 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;
r = gfxhub_v1_0_gart_enable(adev);
if (r)
return r;
if (adev->asic_type == CHIP_ARCTURUS)
r = mmhub_v9_4_gart_enable(adev);
else
r = mmhub_v1_0_gart_enable(adev);
if (r)
return r;
DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
(unsigned)(adev->gmc.gart_size >> 20),
(unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
adev->gart.ready = true;
return 0;
}
static int gmc_v9_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool value;
int r, i;
u32 tmp;
/* The sequence of these two function calls matters.*/
gmc_v9_0_init_golden_registers(adev);
if (adev->mode_info.num_crtc) {
if (adev->asic_type != CHIP_ARCTURUS) {
/* Lockout access through VGA aperture*/
WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
/* disable VGA render */
WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
}
}
amdgpu_device_program_register_sequence(adev,
golden_settings_vega10_hdp,
ARRAY_SIZE(golden_settings_vega10_hdp));
switch (adev->asic_type) {
case CHIP_RAVEN:
/* TODO for renoir */
mmhub_v1_0_update_power_gating(adev, true);
break;
case CHIP_ARCTURUS:
WREG32_FIELD15(HDP, 0, HDP_MMHUB_CNTL, HDP_MMHUB_GCC, 1);
break;
default:
break;
}
WREG32_FIELD15(HDP, 0, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1);
tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL);
WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp);
WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40));
/* After HDP is initialized, flush HDP.*/
adev->nbio.funcs->hdp_flush(adev, NULL);
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
value = false;
else
value = true;
gfxhub_v1_0_set_fault_enable_default(adev, value);
if (adev->asic_type == CHIP_ARCTURUS)
mmhub_v9_4_set_fault_enable_default(adev, value);
else
mmhub_v1_0_set_fault_enable_default(adev, value);
for (i = 0; i < adev->num_vmhubs; ++i)
gmc_v9_0_flush_gpu_tlb(adev, 0, i, 0);
if (adev->umc.funcs && adev->umc.funcs->init_registers)
adev->umc.funcs->init_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);
if (adev->asic_type == CHIP_ARCTURUS)
mmhub_v9_4_gart_disable(adev);
else
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;
if (amdgpu_sriov_vf(adev)) {
/* full access mode, so don't touch any GMC register */
DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
return 0;
}
amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
amdgpu_irq_put(adev, &adev->gmc.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;
return gmc_v9_0_hw_fini(adev);
}
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;
amdgpu_vmid_reset_all(adev);
return 0;
}
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)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (adev->asic_type == CHIP_ARCTURUS)
mmhub_v9_4_set_clockgating(adev, state);
else
mmhub_v1_0_set_clockgating(adev, state);
athub_v1_0_set_clockgating(adev, state);
return 0;
}
static void gmc_v9_0_get_clockgating_state(void *handle, u32 *flags)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (adev->asic_type == CHIP_ARCTURUS)
mmhub_v9_4_get_clockgating(adev, flags);
else
mmhub_v1_0_get_clockgating(adev, flags);
athub_v1_0_get_clockgating(adev, flags);
}
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,
.get_clockgating_state = gmc_v9_0_get_clockgating_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,
};
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