iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
Alex Deucher 54f78a7655 drm/amdgpu: add apu flags (v2) 
Add some APU flags to simplify handling of different APU
variants.  It's easier to understand the special cases
if we use names flags rather than checking device ids and
silicon revisions.

v2: rebase on latest code

Acked-by: Evan Quan <evan.quan@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2020-05-22 13:41:53 -04:00

1583 lines
42 KiB
C
Raw Blame History

/*
* 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_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 "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;
/* 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;
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 Faulty UTCL2 client ID: 0x%lx\n",
REG_GET_FIELD(status,
VM_L2_PROTECTION_FAULT_STATUS, 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%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;
if (!amdgpu_sriov_vf(adev)) {
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)
{
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
* @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->asic_type == CHIP_VEGA20) {
/* 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)) &&
!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, inv_req,
1 << vmid);
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 acuqire */
tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem + eng);
if (tmp & 0x1)
break;
udelay(1);
}
if (j >= adev->usec_timeout)
DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
}
do {
WREG32_NO_KIQ(hub->vm_inv_eng0_req + 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)
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);
}
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
*/
WREG32_NO_KIQ(hub->vm_inv_eng0_sem + 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 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;
struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
struct amdgpu_kiq *kiq = &adev->gfx.kiq;
if (adev->in_gpu_reset)
return -EIO;
if (ring->sched.ready) {
/* 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->asic_type == CHIP_VEGA20);
/* 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);
return -ETIME;
}
amdgpu_ring_commit(ring);
spin_unlock(&adev->gfx.kiq.ring_lock);
r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
if (r < 1) {
DRM_ERROR("wait for kiq fence error: %ld.\n", r);
return -ETIME;
}
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 + eng, 0x1, 0x1);
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);
/* 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 + 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 = 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,
.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
};
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_VG20;
adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
adev->umc.funcs = &umc_v6_1_funcs;
break;
case CHIP_ARCTURUS:
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.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;
case CHIP_ARCTURUS:
adev->mmhub.funcs = &mmhub_v9_4_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_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 = amdgpu_gmc_allocate_vm_inv_eng(adev);
if (r)
return r;
/* Check if ecc is available */
if (!amdgpu_sriov_vf(adev) && (adev->asic_type == CHIP_VEGA10)) {
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");
}
if (adev->mmhub.funcs && adev->mmhub.funcs->reset_ras_error_count)
adev->mmhub.funcs->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 = 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;
if (!amdgpu_sriov_vf(adev)) {
/* 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_restore_registers - restores regs
*
* @adev: amdgpu_device pointer
*
* This restores register values, saved at suspend.
*/
static void gmc_v9_0_restore_registers(struct amdgpu_device *adev)
{
if (adev->asic_type == CHIP_RAVEN)
WREG32(mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register);
}
/**
* 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;
if (!amdgpu_sriov_vf(adev)) {
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_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->asic_type == CHIP_RAVEN)
adev->gmc.sdpif_register = RREG32(mmDCHUBBUB_SDPIF_MMIO_CNTRL_0);
}
/**
* 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)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = gmc_v9_0_hw_fini(adev);
if (r)
return r;
gmc_v9_0_save_registers(adev);
return 0;
}
static int gmc_v9_0_resume(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
gmc_v9_0_restore_registers(adev);
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,
};
Reference in New Issue View Git Blame Copy Permalink