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

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null pointer error
2024-07-16 15:50:57 +02:00
/*
* 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 "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_sh_mask.h"
#include "athub/athub_1_0_offset.h"
#include "oss/osssys_4_0_offset.h"
#include "soc15.h"
#include "soc15d.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 "mmhub_v1_7.h"
#include "umc_v6_1.h"
#include "umc_v6_0.h"
#include "umc_v6_7.h"
#include "hdp_v4_0.h"
#include "mca_v3_0.h"
#include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
#include "amdgpu_ras.h"
#include "amdgpu_xgmi.h"
#include "amdgpu_reset.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
#define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0 0x049d
#define mmDCHUBBUB_SDPIF_MMIO_CNTRL_0_BASE_IDX 2
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2 0x05ea
#define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2_BASE_IDX 2
static const char *gfxhub_client_ids[] = {
"CB",
"DB",
"IA",
"WD",
"CPF",
"CPC",
"CPG",
"RLC",
"TCP",
"SQC (inst)",
"SQC (data)",
"SQG",
"PA",
};
static const char *mmhub_client_ids_raven[][2] = {
[0][0] = "MP1",
[1][0] = "MP0",
[2][0] = "VCN",
[3][0] = "VCNU",
[4][0] = "HDP",
[5][0] = "DCE",
[13][0] = "UTCL2",
[19][0] = "TLS",
[26][0] = "OSS",
[27][0] = "SDMA0",
[0][1] = "MP1",
[1][1] = "MP0",
[2][1] = "VCN",
[3][1] = "VCNU",
[4][1] = "HDP",
[5][1] = "XDP",
[6][1] = "DBGU0",
[7][1] = "DCE",
[8][1] = "DCEDWB0",
[9][1] = "DCEDWB1",
[26][1] = "OSS",
[27][1] = "SDMA0",
};
static const char *mmhub_client_ids_renoir[][2] = {
[0][0] = "MP1",
[1][0] = "MP0",
[2][0] = "HDP",
[4][0] = "DCEDMC",
[5][0] = "DCEVGA",
[13][0] = "UTCL2",
[19][0] = "TLS",
[26][0] = "OSS",
[27][0] = "SDMA0",
[28][0] = "VCN",
[29][0] = "VCNU",
[30][0] = "JPEG",
[0][1] = "MP1",
[1][1] = "MP0",
[2][1] = "HDP",
[3][1] = "XDP",
[6][1] = "DBGU0",
[7][1] = "DCEDMC",
[8][1] = "DCEVGA",
[9][1] = "DCEDWB",
[26][1] = "OSS",
[27][1] = "SDMA0",
[28][1] = "VCN",
[29][1] = "VCNU",
[30][1] = "JPEG",
};
static const char *mmhub_client_ids_vega10[][2] = {
[0][0] = "MP0",
[1][0] = "UVD",
[2][0] = "UVDU",
[3][0] = "HDP",
[13][0] = "UTCL2",
[14][0] = "OSS",
[15][0] = "SDMA1",
[32+0][0] = "VCE0",
[32+1][0] = "VCE0U",
[32+2][0] = "XDMA",
[32+3][0] = "DCE",
[32+4][0] = "MP1",
[32+14][0] = "SDMA0",
[0][1] = "MP0",
[1][1] = "UVD",
[2][1] = "UVDU",
[3][1] = "DBGU0",
[4][1] = "HDP",
[5][1] = "XDP",
[14][1] = "OSS",
[15][1] = "SDMA0",
[32+0][1] = "VCE0",
[32+1][1] = "VCE0U",
[32+2][1] = "XDMA",
[32+3][1] = "DCE",
[32+4][1] = "DCEDWB",
[32+5][1] = "MP1",
[32+6][1] = "DBGU1",
[32+14][1] = "SDMA1",
};
static const char *mmhub_client_ids_vega12[][2] = {
[0][0] = "MP0",
[1][0] = "VCE0",
[2][0] = "VCE0U",
[3][0] = "HDP",
[13][0] = "UTCL2",
[14][0] = "OSS",
[15][0] = "SDMA1",
[32+0][0] = "DCE",
[32+1][0] = "XDMA",
[32+2][0] = "UVD",
[32+3][0] = "UVDU",
[32+4][0] = "MP1",
[32+15][0] = "SDMA0",
[0][1] = "MP0",
[1][1] = "VCE0",
[2][1] = "VCE0U",
[3][1] = "DBGU0",
[4][1] = "HDP",
[5][1] = "XDP",
[14][1] = "OSS",
[15][1] = "SDMA0",
[32+0][1] = "DCE",
[32+1][1] = "DCEDWB",
[32+2][1] = "XDMA",
[32+3][1] = "UVD",
[32+4][1] = "UVDU",
[32+5][1] = "MP1",
[32+6][1] = "DBGU1",
[32+15][1] = "SDMA1",
};
static const char *mmhub_client_ids_vega20[][2] = {
[0][0] = "XDMA",
[1][0] = "DCE",
[2][0] = "VCE0",
[3][0] = "VCE0U",
[4][0] = "UVD",
[5][0] = "UVD1U",
[13][0] = "OSS",
[14][0] = "HDP",
[15][0] = "SDMA0",
[32+0][0] = "UVD",
[32+1][0] = "UVDU",
[32+2][0] = "MP1",
[32+3][0] = "MP0",
[32+12][0] = "UTCL2",
[32+14][0] = "SDMA1",
[0][1] = "XDMA",
[1][1] = "DCE",
[2][1] = "DCEDWB",
[3][1] = "VCE0",
[4][1] = "VCE0U",
[5][1] = "UVD1",
[6][1] = "UVD1U",
[7][1] = "DBGU0",
[8][1] = "XDP",
[13][1] = "OSS",
[14][1] = "HDP",
[15][1] = "SDMA0",
[32+0][1] = "UVD",
[32+1][1] = "UVDU",
[32+2][1] = "DBGU1",
[32+3][1] = "MP1",
[32+4][1] = "MP0",
[32+14][1] = "SDMA1",
};
static const char *mmhub_client_ids_arcturus[][2] = {
[0][0] = "DBGU1",
[1][0] = "XDP",
[2][0] = "MP1",
[14][0] = "HDP",
[171][0] = "JPEG",
[172][0] = "VCN",
[173][0] = "VCNU",
[203][0] = "JPEG1",
[204][0] = "VCN1",
[205][0] = "VCN1U",
[256][0] = "SDMA0",
[257][0] = "SDMA1",
[258][0] = "SDMA2",
[259][0] = "SDMA3",
[260][0] = "SDMA4",
[261][0] = "SDMA5",
[262][0] = "SDMA6",
[263][0] = "SDMA7",
[384][0] = "OSS",
[0][1] = "DBGU1",
[1][1] = "XDP",
[2][1] = "MP1",
[14][1] = "HDP",
[171][1] = "JPEG",
[172][1] = "VCN",
[173][1] = "VCNU",
[203][1] = "JPEG1",
[204][1] = "VCN1",
[205][1] = "VCN1U",
[256][1] = "SDMA0",
[257][1] = "SDMA1",
[258][1] = "SDMA2",
[259][1] = "SDMA3",
[260][1] = "SDMA4",
[261][1] = "SDMA5",
[262][1] = "SDMA6",
[263][1] = "SDMA7",
[384][1] = "OSS",
};
static const char *mmhub_client_ids_aldebaran[][2] = {
[2][0] = "MP1",
[3][0] = "MP0",
[32+1][0] = "DBGU_IO0",
[32+2][0] = "DBGU_IO2",
[32+4][0] = "MPIO",
[96+11][0] = "JPEG0",
[96+12][0] = "VCN0",
[96+13][0] = "VCNU0",
[128+11][0] = "JPEG1",
[128+12][0] = "VCN1",
[128+13][0] = "VCNU1",
[160+1][0] = "XDP",
[160+14][0] = "HDP",
[256+0][0] = "SDMA0",
[256+1][0] = "SDMA1",
[256+2][0] = "SDMA2",
[256+3][0] = "SDMA3",
[256+4][0] = "SDMA4",
[384+0][0] = "OSS",
[2][1] = "MP1",
[3][1] = "MP0",
[32+1][1] = "DBGU_IO0",
[32+2][1] = "DBGU_IO2",
[32+4][1] = "MPIO",
[96+11][1] = "JPEG0",
[96+12][1] = "VCN0",
[96+13][1] = "VCNU0",
[128+11][1] = "JPEG1",
[128+12][1] = "VCN1",
[128+13][1] = "VCNU1",
[160+1][1] = "XDP",
[160+14][1] = "HDP",
[256+0][1] = "SDMA0",
[256+1][1] = "SDMA1",
[256+2][1] = "SDMA2",
[256+3][1] = "SDMA3",
[256+4][1] = "SDMA4",
[384+0][1] = "OSS",
};
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 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;
/* Devices newer then VEGA10/12 shall have these programming
sequences performed by PSP BL */
if (adev->asic_type >= CHIP_VEGA20)
return 0;
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;
if (j == AMDGPU_GFXHUB_0)
tmp = RREG32_SOC15_IP(GC, reg);
else
tmp = RREG32_SOC15_IP(MMHUB, reg);
tmp &= ~bits;
if (j == AMDGPU_GFXHUB_0)
WREG32_SOC15_IP(GC, reg, tmp);
else
WREG32_SOC15_IP(MMHUB, 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;
if (j == AMDGPU_GFXHUB_0)
tmp = RREG32_SOC15_IP(GC, reg);
else
tmp = RREG32_SOC15_IP(MMHUB, reg);
tmp |= bits;
if (j == AMDGPU_GFXHUB_0)
WREG32_SOC15_IP(GC, reg, tmp);
else
WREG32_SOC15_IP(MMHUB, 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)
{
bool retry_fault = !!(entry->src_data[1] & 0x80);
bool write_fault = !!(entry->src_data[1] & 0x20);
uint32_t status = 0, cid = 0, rw = 0;
struct amdgpu_task_info task_info;
struct amdgpu_vmhub *hub;
const char *mmhub_cid;
const char *hub_name;
u64 addr;
addr = (u64)entry->src_data[0] << 12;
addr |= ((u64)entry->src_data[1] & 0xf) << 44;
if (retry_fault) {
/* Returning 1 here also prevents sending the IV to the KFD */
/* Process it onyl if it's the first fault for this address */
if (entry->ih != &adev->irq.ih_soft &&
amdgpu_gmc_filter_faults(adev, entry->ih, addr, entry->pasid,
entry->timestamp))
return 1;
/* Delegate it to a different ring if the hardware hasn't
* already done it.
*/
if (entry->ih == &adev->irq.ih) {
amdgpu_irq_delegate(adev, entry, 8);
return 1;
}
/* Try to handle the recoverable page faults by filling page
* tables
*/
if (amdgpu_vm_handle_fault(adev, entry->pasid, addr, write_fault))
return 1;
}
if (!printk_ratelimit())
return 0;
if (entry->client_id == SOC15_IH_CLIENTID_VMC) {
hub_name = "mmhub0";
hub = &adev->vmhub[AMDGPU_MMHUB_0];
} else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) {
hub_name = "mmhub1";
hub = &adev->vmhub[AMDGPU_MMHUB_1];
} else {
hub_name = "gfxhub0";
hub = &adev->vmhub[AMDGPU_GFXHUB_0];
}
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 IH client 0x%x (%s)\n",
addr, entry->client_id,
soc15_ih_clientid_name[entry->client_id]);
if (amdgpu_sriov_vf(adev))
return 0;
/*
* 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) &&
(adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2)))
RREG32(hub->vm_l2_pro_fault_status);
status = RREG32(hub->vm_l2_pro_fault_status);
cid = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, CID);
rw = REG_GET_FIELD(status, VM_L2_PROTECTION_FAULT_STATUS, RW);
WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
dev_err(adev->dev,
"VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
status);
if (hub == &adev->vmhub[AMDGPU_GFXHUB_0]) {
dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" :
gfxhub_client_ids[cid],
cid);
} else {
switch (adev->ip_versions[MMHUB_HWIP][0]) {
case IP_VERSION(9, 0, 0):
mmhub_cid = mmhub_client_ids_vega10[cid][rw];
break;
case IP_VERSION(9, 3, 0):
mmhub_cid = mmhub_client_ids_vega12[cid][rw];
break;
case IP_VERSION(9, 4, 0):
mmhub_cid = mmhub_client_ids_vega20[cid][rw];
break;
case IP_VERSION(9, 4, 1):
mmhub_cid = mmhub_client_ids_arcturus[cid][rw];
break;
case IP_VERSION(9, 1, 0):
case IP_VERSION(9, 2, 0):
mmhub_cid = mmhub_client_ids_raven[cid][rw];
break;
case IP_VERSION(1, 5, 0):
case IP_VERSION(2, 4, 0):
mmhub_cid = mmhub_client_ids_renoir[cid][rw];
break;
case IP_VERSION(9, 4, 2):
mmhub_cid = mmhub_client_ids_aldebaran[cid][rw];
break;
default:
mmhub_cid = NULL;
break;
}
dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
mmhub_cid ? mmhub_cid : "unknown", cid);
}
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%x\n", 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;
if (!amdgpu_sriov_vf(adev) &&
!adev->gmc.xgmi.connected_to_cpu) {
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;
}
/**
* gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
*
* @adev: amdgpu_device pointer
* @vmhub: vmhub type
*
*/
static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
uint32_t vmhub)
{
if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2))
return false;
return ((vmhub == AMDGPU_MMHUB_0 ||
vmhub == AMDGPU_MMHUB_1) &&
(!amdgpu_sriov_vf(adev)) &&
(!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
(adev->apu_flags & AMD_APU_IS_PICASSO))));
}
static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
uint8_t vmid, uint16_t *p_pasid)
{
uint32_t value;
value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
+ vmid);
*p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
}
/*
* 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
* @vmhub: which hub 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)
{
bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub);
const unsigned eng = 17;
u32 j, inv_req, inv_req2, tmp;
struct amdgpu_vmhub *hub;
BUG_ON(vmhub >= adev->num_vmhubs);
hub = &adev->vmhub[vmhub];
if (adev->gmc.xgmi.num_physical_nodes &&
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0)) {
/* Vega20+XGMI caches PTEs in TC and TLB. Add a
* heavy-weight TLB flush (type 2), which flushes
* both. Due to a race condition with concurrent
* memory accesses using the same TLB cache line, we
* still need a second TLB flush after this.
*/
inv_req = gmc_v9_0_get_invalidate_req(vmid, 2);
inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type);
} else {
inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type);
inv_req2 = 0;
}
/* 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)) &&
down_read_trylock(&adev->reset_domain->sem)) {
uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
1 << vmid);
up_read(&adev->reset_domain->sem);
return;
}
spin_lock(&adev->gmc.invalidate_lock);
/*
* It may lose gpuvm invalidate acknowldege state across power-gating
* off cycle, add semaphore acquire before invalidation and semaphore
* release after invalidation to avoid entering power gated state
* to WA the Issue
*/
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore) {
for (j = 0; j < adev->usec_timeout; j++) {
/* a read return value of 1 means semaphore acquire */
if (vmhub == AMDGPU_GFXHUB_0)
tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng);
else
tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng);
if (tmp & 0x1)
break;
udelay(1);
}
if (j >= adev->usec_timeout)
DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
}
do {
if (vmhub == AMDGPU_GFXHUB_0)
WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req);
else
WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_req + hub->eng_distance * eng, inv_req);
/*
* 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) &&
(adev->ip_versions[GC_HWIP][0] < IP_VERSION(9, 4, 2)))
RREG32_NO_KIQ(hub->vm_inv_eng0_req +
hub->eng_distance * eng);
for (j = 0; j < adev->usec_timeout; j++) {
if (vmhub == AMDGPU_GFXHUB_0)
tmp = RREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_ack + hub->eng_distance * eng);
else
tmp = RREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_ack + hub->eng_distance * eng);
if (tmp & (1 << vmid))
break;
udelay(1);
}
inv_req = inv_req2;
inv_req2 = 0;
} while (inv_req);
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore) {
/*
* add semaphore release after invalidation,
* write with 0 means semaphore release
*/
if (vmhub == AMDGPU_GFXHUB_0)
WREG32_SOC15_IP_NO_KIQ(GC, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0);
else
WREG32_SOC15_IP_NO_KIQ(MMHUB, hub->vm_inv_eng0_sem + hub->eng_distance * eng, 0);
}
spin_unlock(&adev->gmc.invalidate_lock);
if (j < adev->usec_timeout)
return;
DRM_ERROR("Timeout waiting for VM flush ACK!\n");
}
/**
* gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid
*
* @adev: amdgpu_device pointer
* @pasid: pasid to be flush
* @flush_type: the flush type
* @all_hub: flush all hubs
*
* Flush the TLB for the requested pasid.
*/
static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
uint16_t pasid, uint32_t flush_type,
bool all_hub)
{
int vmid, i;
signed long r;
uint32_t seq;
uint16_t queried_pasid;
bool ret;
u32 usec_timeout = amdgpu_sriov_vf(adev) ? SRIOV_USEC_TIMEOUT : adev->usec_timeout;
struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
if (amdgpu_in_reset(adev))
return -EIO;
if (ring->sched.ready && down_read_trylock(&adev->reset_domain->sem)) {
/* Vega20+XGMI caches PTEs in TC and TLB. Add a
* heavy-weight TLB flush (type 2), which flushes
* both. Due to a race condition with concurrent
* memory accesses using the same TLB cache line, we
* still need a second TLB flush after this.
*/
bool vega20_xgmi_wa = (adev->gmc.xgmi.num_physical_nodes &&
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 0));
/* 2 dwords flush + 8 dwords fence */
unsigned int ndw = kiq->pmf->invalidate_tlbs_size + 8;
if (vega20_xgmi_wa)
ndw += kiq->pmf->invalidate_tlbs_size;
spin_lock(&adev->gfx.kiq.ring_lock);
/* 2 dwords flush + 8 dwords fence */
amdgpu_ring_alloc(ring, ndw);
if (vega20_xgmi_wa)
kiq->pmf->kiq_invalidate_tlbs(ring,
pasid, 2, all_hub);
kiq->pmf->kiq_invalidate_tlbs(ring,
pasid, flush_type, all_hub);
r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
if (r) {
amdgpu_ring_undo(ring);
spin_unlock(&adev->gfx.kiq.ring_lock);
up_read(&adev->reset_domain->sem);
return -ETIME;
}
amdgpu_ring_commit(ring);
spin_unlock(&adev->gfx.kiq.ring_lock);
r = amdgpu_fence_wait_polling(ring, seq, usec_timeout);
if (r < 1) {
dev_err(adev->dev, "wait for kiq fence error: %ld.\n", r);
up_read(&adev->reset_domain->sem);
return -ETIME;
}
up_read(&adev->reset_domain->sem);
return 0;
}
for (vmid = 1; vmid < 16; vmid++) {
ret = gmc_v9_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
&queried_pasid);
if (ret && queried_pasid == pasid) {
if (all_hub) {
for (i = 0; i < adev->num_vmhubs; i++)
gmc_v9_0_flush_gpu_tlb(adev, vmid,
i, flush_type);
} else {
gmc_v9_0_flush_gpu_tlb(adev, vmid,
AMDGPU_GFXHUB_0, flush_type);
}
break;
}
}
return 0;
}
static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
unsigned vmid, uint64_t pd_addr)
{
bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub);
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;
/*
* It may lose gpuvm invalidate acknowldege state across power-gating
* off cycle, add semaphore acquire before invalidation and semaphore
* release after invalidation to avoid entering power gated state
* to WA the Issue
*/
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore)
/* a read return value of 1 means semaphore acuqire */
amdgpu_ring_emit_reg_wait(ring,
hub->vm_inv_eng0_sem +
hub->eng_distance * eng, 0x1, 0x1);
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
(hub->ctx_addr_distance * vmid),
lower_32_bits(pd_addr));
amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
(hub->ctx_addr_distance * vmid),
upper_32_bits(pd_addr));
amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
hub->eng_distance * eng,
hub->vm_inv_eng0_ack +
hub->eng_distance * eng,
req, 1 << vmid);
/* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
if (use_semaphore)
/*
* add semaphore release after invalidation,
* write with 0 means semaphore release
*/
amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
hub->eng_distance * eng, 0);
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 = amdgpu_gmc_vram_mc2pa(adev, *addr);
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;
if (!(*flags & AMDGPU_PTE_VALID))
*addr |= 1 << PAGE_SHIFT;
} 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->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) ||
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) &&
!(*flags & AMDGPU_PTE_SYSTEM) &&
mapping->bo_va->is_xgmi)
*flags |= AMDGPU_PTE_SNOOPED;
if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2))
*flags |= mapping->flags & AMDGPU_PTE_SNOOPED;
}
static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev)
{
u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
unsigned size;
/* TODO move to DC so GMC doesn't need to hard-code DCN registers */
if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
size = AMDGPU_VBIOS_VGA_ALLOCATION;
} else {
u32 viewport;
switch (adev->ip_versions[DCE_HWIP][0]) {
case IP_VERSION(1, 0, 0):
case IP_VERSION(1, 0, 1):
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 IP_VERSION(2, 1, 0):
viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_DCN2);
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;
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 size;
}
static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
.flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
.flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid,
.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,
.get_vbios_fb_size = gmc_v9_0_get_vbios_fb_size,
};
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->ip_versions[UMC_HWIP][0]) {
case IP_VERSION(6, 0, 0):
adev->umc.funcs = &umc_v6_0_funcs;
break;
case IP_VERSION(6, 1, 1):
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_VG20;
adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
adev->umc.ras = &umc_v6_1_ras;
break;
case IP_VERSION(6, 1, 2):
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_ARCT;
adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
adev->umc.ras = &umc_v6_1_ras;
break;
case IP_VERSION(6, 7, 0):
adev->umc.max_ras_err_cnt_per_query =
UMC_V6_7_TOTAL_CHANNEL_NUM * UMC_V6_7_BAD_PAGE_NUM_PER_CHANNEL;
adev->umc.channel_inst_num = UMC_V6_7_CHANNEL_INSTANCE_NUM;
adev->umc.umc_inst_num = UMC_V6_7_UMC_INSTANCE_NUM;
adev->umc.channel_offs = UMC_V6_7_PER_CHANNEL_OFFSET;
if (!adev->gmc.xgmi.connected_to_cpu)
adev->umc.ras = &umc_v6_7_ras;
if (1 & adev->smuio.funcs->get_die_id(adev))
adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_first[0][0];
else
adev->umc.channel_idx_tbl = &umc_v6_7_channel_idx_tbl_second[0][0];
break;
default:
break;
}
if (adev->umc.ras) {
amdgpu_ras_register_ras_block(adev, &adev->umc.ras->ras_block);
strcpy(adev->umc.ras->ras_block.ras_comm.name, "umc");
adev->umc.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__UMC;
adev->umc.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->umc.ras_if = &adev->umc.ras->ras_block.ras_comm;
/* If don't define special ras_late_init function, use default ras_late_init */
if (!adev->umc.ras->ras_block.ras_late_init)
adev->umc.ras->ras_block.ras_late_init = amdgpu_umc_ras_late_init;
/* If not defined special ras_cb function, use default ras_cb */
if (!adev->umc.ras->ras_block.ras_cb)
adev->umc.ras->ras_block.ras_cb = amdgpu_umc_process_ras_data_cb;
}
}
static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
{
switch (adev->ip_versions[MMHUB_HWIP][0]) {
case IP_VERSION(9, 4, 1):
adev->mmhub.funcs = &mmhub_v9_4_funcs;
break;
case IP_VERSION(9, 4, 2):
adev->mmhub.funcs = &mmhub_v1_7_funcs;
break;
default:
adev->mmhub.funcs = &mmhub_v1_0_funcs;
break;
}
}
static void gmc_v9_0_set_mmhub_ras_funcs(struct amdgpu_device *adev)
{
switch (adev->ip_versions[MMHUB_HWIP][0]) {
case IP_VERSION(9, 4, 0):
adev->mmhub.ras = &mmhub_v1_0_ras;
break;
case IP_VERSION(9, 4, 1):
adev->mmhub.ras = &mmhub_v9_4_ras;
break;
case IP_VERSION(9, 4, 2):
adev->mmhub.ras = &mmhub_v1_7_ras;
break;
default:
/* mmhub ras is not available */
break;
}
if (adev->mmhub.ras) {
amdgpu_ras_register_ras_block(adev, &adev->mmhub.ras->ras_block);
strcpy(adev->mmhub.ras->ras_block.ras_comm.name, "mmhub");
adev->mmhub.ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__MMHUB;
adev->mmhub.ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE;
adev->mmhub.ras_if = &adev->mmhub.ras->ras_block.ras_comm;
}
}
static void gmc_v9_0_set_gfxhub_funcs(struct amdgpu_device *adev)
{
adev->gfxhub.funcs = &gfxhub_v1_0_funcs;
}
static void gmc_v9_0_set_hdp_ras_funcs(struct amdgpu_device *adev)
{
adev->hdp.ras = &hdp_v4_0_ras;
amdgpu_ras_register_ras_block(adev, &adev->hdp.ras->ras_block);
adev->hdp.ras_if = &adev->hdp.ras->ras_block.ras_comm;
}
static void gmc_v9_0_set_mca_funcs(struct amdgpu_device *adev)
{
/* is UMC the right IP to check for MCA? Maybe DF? */
switch (adev->ip_versions[UMC_HWIP][0]) {
case IP_VERSION(6, 7, 0):
if (!adev->gmc.xgmi.connected_to_cpu)
adev->mca.funcs = &mca_v3_0_funcs;
break;
default:
break;
}
}
static int gmc_v9_0_early_init(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* ARCT and VEGA20 don't have XGMI defined in their IP discovery tables */
if (adev->asic_type == CHIP_VEGA20 ||
adev->asic_type == CHIP_ARCTURUS)
adev->gmc.xgmi.supported = true;
if (adev->ip_versions[XGMI_HWIP][0] == IP_VERSION(6, 1, 0)) {
adev->gmc.xgmi.supported = true;
adev->gmc.xgmi.connected_to_cpu =
adev->smuio.funcs->is_host_gpu_xgmi_supported(adev);
}
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);
gmc_v9_0_set_mmhub_ras_funcs(adev);
gmc_v9_0_set_gfxhub_funcs(adev);
gmc_v9_0_set_hdp_ras_funcs(adev);
gmc_v9_0_set_mca_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;
r = amdgpu_gmc_ras_early_init(adev);
if (r)
return r;
return 0;
}
static int gmc_v9_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
r = amdgpu_gmc_allocate_vm_inv_eng(adev);
if (r)
return r;
/*
* Workaround performance drop issue with VBIOS enables partial
* writes, while disables HBM ECC for vega10.
*/
if (!amdgpu_sriov_vf(adev) &&
(adev->ip_versions[UMC_HWIP][0] == IP_VERSION(6, 0, 0))) {
if (!(adev->ras_enabled & (1 << AMDGPU_RAS_BLOCK__UMC))) {
if (adev->df.funcs &&
adev->df.funcs->enable_ecc_force_par_wr_rmw)
adev->df.funcs->enable_ecc_force_par_wr_rmw(adev, false);
}
}
if (!amdgpu_persistent_edc_harvesting_supported(adev)) {
if (adev->mmhub.ras && adev->mmhub.ras->ras_block.hw_ops &&
adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count)
adev->mmhub.ras->ras_block.hw_ops->reset_ras_error_count(adev);
if (adev->hdp.ras && adev->hdp.ras->ras_block.hw_ops &&
adev->hdp.ras->ras_block.hw_ops->reset_ras_error_count)
adev->hdp.ras->ras_block.hw_ops->reset_ras_error_count(adev);
}
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 = adev->mmhub.funcs->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;
if (adev->gmc.xgmi.connected_to_cpu) {
amdgpu_gmc_sysvm_location(adev, mc);
} else {
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 = adev->gfxhub.funcs->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) &&
!adev->gmc.xgmi.connected_to_cpu) {
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
/*
* AMD Accelerated Processing Platform (APP) supporting GPU-HOST xgmi
* interface can use VRAM through here as it appears system reserved
* memory in host address space.
*
* For APUs, VRAM is just the stolen system memory and can be accessed
* directly.
*
* Otherwise, use the legacy Host Data Path (HDP) through PCIe BAR.
*/
/* check whether both host-gpu and gpu-gpu xgmi links exist */
if (((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) ||
(adev->gmc.xgmi.supported &&
adev->gmc.xgmi.connected_to_cpu)) {
adev->gmc.aper_base =
adev->gfxhub.funcs->get_mc_fb_offset(adev) +
adev->gmc.xgmi.physical_node_id *
adev->gmc.xgmi.node_segment_size;
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->ip_versions[GC_HWIP][0]) {
case IP_VERSION(9, 0, 1): /* all engines support GPUVM */
case IP_VERSION(9, 2, 1): /* all engines support GPUVM */
case IP_VERSION(9, 4, 0):
case IP_VERSION(9, 4, 1):
case IP_VERSION(9, 4, 2):
default:
adev->gmc.gart_size = 512ULL << 20;
break;
case IP_VERSION(9, 1, 0): /* DCE SG support */
case IP_VERSION(9, 2, 2): /* DCE SG support */
case IP_VERSION(9, 3, 0):
adev->gmc.gart_size = 1024ULL << 20;
break;
}
} else {
adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
}
adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
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;
}
if (adev->gmc.xgmi.connected_to_cpu) {
adev->gmc.vmid0_page_table_depth = 1;
adev->gmc.vmid0_page_table_block_size = 12;
} else {
adev->gmc.vmid0_page_table_depth = 0;
adev->gmc.vmid0_page_table_block_size = 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;
r = amdgpu_gart_table_vram_alloc(adev);
if (r)
return r;
if (adev->gmc.xgmi.connected_to_cpu) {
r = amdgpu_gmc_pdb0_alloc(adev);
}
return r;
}
/**
* gmc_v9_0_save_registers - saves regs
*
* @adev: amdgpu_device pointer
*
* This saves potential register values that should be
* restored upon resume
*/
static void gmc_v9_0_save_registers(struct amdgpu_device *adev)
{
if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) ||
(adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1)))
adev->gmc.sdpif_register = RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0);
}
static int gmc_v9_0_sw_init(void *handle)
{
int r, vram_width = 0, vram_type = 0, vram_vendor = 0, dma_addr_bits;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
adev->gfxhub.funcs->init(adev);
adev->mmhub.funcs->init(adev);
if (adev->mca.funcs)
adev->mca.funcs->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;
if (adev->df.funcs &&
adev->df.funcs->get_hbm_channel_number) {
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->ip_versions[GC_HWIP][0]) {
case IP_VERSION(9, 1, 0):
case IP_VERSION(9, 2, 2):
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 IP_VERSION(9, 0, 1):
case IP_VERSION(9, 2, 1):
case IP_VERSION(9, 4, 0):
case IP_VERSION(9, 3, 0):
case IP_VERSION(9, 4, 2):
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);
if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2))
adev->gmc.translate_further = adev->vm_manager.num_level > 1;
break;
case IP_VERSION(9, 4, 1):
adev->num_vmhubs = 3;
/* Keep the vm size same with Vega20 */
amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
adev->gmc.translate_further = adev->vm_manager.num_level > 1;
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->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1)) {
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;
if (!amdgpu_sriov_vf(adev) &&
!adev->gmc.xgmi.connected_to_cpu) {
/* 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 */
dma_addr_bits = adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2) ? 48:44;
r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(dma_addr_bits));
if (r) {
printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
return r;
}
adev->need_swiotlb = drm_need_swiotlb(dma_addr_bits);
r = gmc_v9_0_mc_init(adev);
if (r)
return r;
amdgpu_gmc_get_vbios_allocations(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..n-1
* amdkfd will use VMIDs n..15
*
* The first KFD VMID is 8 for GPUs with graphics, 3 for
* compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs
* for video processing.
*/
adev->vm_manager.first_kfd_vmid =
(adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 1) ||
adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 2)) ? 3 : 8;
amdgpu_vm_manager_init(adev);
gmc_v9_0_save_registers(adev);
return 0;
}
static int gmc_v9_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
amdgpu_gmc_ras_fini(adev);
amdgpu_gem_force_release(adev);
amdgpu_vm_manager_fini(adev);
amdgpu_gart_table_vram_free(adev);
amdgpu_bo_free_kernel(&adev->gmc.pdb0_bo, NULL, &adev->gmc.ptr_pdb0);
amdgpu_bo_fini(adev);
return 0;
}
static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
{
switch (adev->ip_versions[MMHUB_HWIP][0]) {
case IP_VERSION(9, 0, 0):
if (amdgpu_sriov_vf(adev))
break;
fallthrough;
case IP_VERSION(9, 4, 0):
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 IP_VERSION(9, 1, 0):
case IP_VERSION(9, 2, 0):
/* 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_restore_registers - restores regs
*
* @adev: amdgpu_device pointer
*
* This restores register values, saved at suspend.
*/
void gmc_v9_0_restore_registers(struct amdgpu_device *adev)
{
if ((adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 0)) ||
(adev->ip_versions[DCE_HWIP][0] == IP_VERSION(1, 0, 1))) {
WREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register);
WARN_ON(adev->gmc.sdpif_register !=
RREG32_SOC15(DCE, 0, mmDCHUBBUB_SDPIF_MMIO_CNTRL_0));
}
}
/**
* 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->gmc.xgmi.connected_to_cpu)
amdgpu_gmc_init_pdb0(adev);
if (adev->gart.bo == NULL) {
dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
return -EINVAL;
}
amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
r = adev->gfxhub.funcs->gart_enable(adev);
if (r)
return r;
r = adev->mmhub.funcs->gart_enable(adev);
if (r)
return r;
DRM_INFO("PCIE GART of %uM enabled.\n",
(unsigned)(adev->gmc.gart_size >> 20));
if (adev->gmc.pdb0_bo)
DRM_INFO("PDB0 located at 0x%016llX\n",
(unsigned long long)amdgpu_bo_gpu_offset(adev->gmc.pdb0_bo));
DRM_INFO("PTB located at 0x%016llX\n",
(unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
return 0;
}
static int gmc_v9_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
bool value;
int i, r;
/* The sequence of these two function calls matters.*/
gmc_v9_0_init_golden_registers(adev);
if (adev->mode_info.num_crtc) {
/* 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);
}
if (adev->mmhub.funcs->update_power_gating)
adev->mmhub.funcs->update_power_gating(adev, true);
adev->hdp.funcs->init_registers(adev);
/* After HDP is initialized, flush HDP.*/
adev->hdp.funcs->flush_hdp(adev, NULL);
if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
value = false;
else
value = true;
if (!amdgpu_sriov_vf(adev)) {
adev->gfxhub.funcs->set_fault_enable_default(adev, value);
adev->mmhub.funcs->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);
if (r)
return r;
if (amdgpu_emu_mode == 1)
return amdgpu_gmc_vram_checking(adev);
else
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)
{
adev->gfxhub.funcs->gart_disable(adev);
adev->mmhub.funcs->gart_disable(adev);
}
static int gmc_v9_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
gmc_v9_0_gart_disable(adev);
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;
}
/*
* Pair the operations did in gmc_v9_0_hw_init and thus maintain
* a correct cached state for GMC. Otherwise, the "gate" again
* operation on S3 resuming will fail due to wrong cached state.
*/
if (adev->mmhub.funcs->update_power_gating)
adev->mmhub.funcs->update_power_gating(adev, false);
amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
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;
adev->mmhub.funcs->set_clockgating(adev, state);
athub_v1_0_set_clockgating(adev, state);
return 0;
}
static void gmc_v9_0_get_clockgating_state(void *handle, u64 *flags)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
adev->mmhub.funcs->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,
};