955 lines
24 KiB
C
955 lines
24 KiB
C
/*
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* Copyright 2019 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include <linux/firmware.h>
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#include <linux/pci.h>
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#include "amdgpu.h"
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#include "amdgpu_atomfirmware.h"
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#include "gmc_v10_0.h"
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#include "hdp/hdp_5_0_0_offset.h"
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#include "hdp/hdp_5_0_0_sh_mask.h"
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#include "gc/gc_10_1_0_sh_mask.h"
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#include "mmhub/mmhub_2_0_0_sh_mask.h"
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#include "dcn/dcn_2_0_0_offset.h"
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#include "dcn/dcn_2_0_0_sh_mask.h"
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#include "oss/osssys_5_0_0_offset.h"
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#include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
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#include "navi10_enum.h"
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#include "soc15.h"
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#include "soc15_common.h"
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#include "nbio_v2_3.h"
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#include "gfxhub_v2_0.h"
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#include "mmhub_v2_0.h"
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#include "athub_v2_0.h"
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/* XXX Move this macro to navi10 header file, which is like vid.h for VI.*/
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#define AMDGPU_NUM_OF_VMIDS 8
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#if 0
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static const struct soc15_reg_golden golden_settings_navi10_hdp[] =
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{
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/* TODO add golden setting for hdp */
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};
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#endif
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static int
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gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
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struct amdgpu_irq_src *src, unsigned type,
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enum amdgpu_interrupt_state state)
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{
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struct amdgpu_vmhub *hub;
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u32 tmp, reg, bits[AMDGPU_MAX_VMHUBS], i;
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bits[AMDGPU_GFXHUB_0] = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
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bits[AMDGPU_MMHUB_0] = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
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MMVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
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switch (state) {
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case AMDGPU_IRQ_STATE_DISABLE:
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/* MM HUB */
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hub = &adev->vmhub[AMDGPU_MMHUB_0];
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for (i = 0; i < 16; i++) {
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reg = hub->vm_context0_cntl + i;
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tmp = RREG32(reg);
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tmp &= ~bits[AMDGPU_MMHUB_0];
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WREG32(reg, tmp);
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}
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/* GFX HUB */
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hub = &adev->vmhub[AMDGPU_GFXHUB_0];
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for (i = 0; i < 16; i++) {
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reg = hub->vm_context0_cntl + i;
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tmp = RREG32(reg);
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tmp &= ~bits[AMDGPU_GFXHUB_0];
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WREG32(reg, tmp);
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}
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break;
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case AMDGPU_IRQ_STATE_ENABLE:
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/* MM HUB */
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hub = &adev->vmhub[AMDGPU_MMHUB_0];
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for (i = 0; i < 16; i++) {
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reg = hub->vm_context0_cntl + i;
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tmp = RREG32(reg);
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tmp |= bits[AMDGPU_MMHUB_0];
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WREG32(reg, tmp);
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}
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/* GFX HUB */
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hub = &adev->vmhub[AMDGPU_GFXHUB_0];
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for (i = 0; i < 16; i++) {
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reg = hub->vm_context0_cntl + i;
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tmp = RREG32(reg);
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tmp |= bits[AMDGPU_GFXHUB_0];
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WREG32(reg, tmp);
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev,
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struct amdgpu_irq_src *source,
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struct amdgpu_iv_entry *entry)
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{
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struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src];
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uint32_t status = 0;
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u64 addr;
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addr = (u64)entry->src_data[0] << 12;
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addr |= ((u64)entry->src_data[1] & 0xf) << 44;
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if (!amdgpu_sriov_vf(adev)) {
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/*
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* Issue a dummy read to wait for the status register to
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* be updated to avoid reading an incorrect value due to
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* the new fast GRBM interface.
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*/
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if (entry->vmid_src == AMDGPU_GFXHUB_0)
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RREG32(hub->vm_l2_pro_fault_status);
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status = RREG32(hub->vm_l2_pro_fault_status);
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WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
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}
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if (printk_ratelimit()) {
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struct amdgpu_task_info task_info;
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memset(&task_info, 0, sizeof(struct amdgpu_task_info));
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amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
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dev_err(adev->dev,
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"[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u, "
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"for process %s pid %d thread %s pid %d)\n",
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entry->vmid_src ? "mmhub" : "gfxhub",
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entry->src_id, entry->ring_id, entry->vmid,
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entry->pasid, task_info.process_name, task_info.tgid,
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task_info.task_name, task_info.pid);
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dev_err(adev->dev, " in page starting at address 0x%016llx from client %d\n",
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addr, entry->client_id);
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if (!amdgpu_sriov_vf(adev)) {
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dev_err(adev->dev,
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"GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
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status);
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dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
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REG_GET_FIELD(status,
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GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
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dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
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REG_GET_FIELD(status,
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GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
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dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
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REG_GET_FIELD(status,
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GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
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dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
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REG_GET_FIELD(status,
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GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
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dev_err(adev->dev, "\t RW: 0x%lx\n",
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REG_GET_FIELD(status,
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GCVM_L2_PROTECTION_FAULT_STATUS, RW));
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}
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}
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return 0;
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}
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static const struct amdgpu_irq_src_funcs gmc_v10_0_irq_funcs = {
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.set = gmc_v10_0_vm_fault_interrupt_state,
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.process = gmc_v10_0_process_interrupt,
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};
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static void gmc_v10_0_set_irq_funcs(struct amdgpu_device *adev)
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{
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adev->gmc.vm_fault.num_types = 1;
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adev->gmc.vm_fault.funcs = &gmc_v10_0_irq_funcs;
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}
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static uint32_t gmc_v10_0_get_invalidate_req(unsigned int vmid,
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uint32_t flush_type)
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{
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u32 req = 0;
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/* invalidate using legacy mode on vmid*/
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
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PER_VMID_INVALIDATE_REQ, 1 << vmid);
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
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req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
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CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
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return req;
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}
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/*
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* GART
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* VMID 0 is the physical GPU addresses as used by the kernel.
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* VMIDs 1-15 are used for userspace clients and are handled
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* by the amdgpu vm/hsa code.
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*/
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static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid,
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unsigned int vmhub, uint32_t flush_type)
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{
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struct amdgpu_vmhub *hub = &adev->vmhub[vmhub];
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u32 tmp = gmc_v10_0_get_invalidate_req(vmid, flush_type);
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/* Use register 17 for GART */
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const unsigned eng = 17;
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unsigned int i;
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WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, tmp);
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/*
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* Issue a dummy read to wait for the ACK register to be cleared
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* to avoid a false ACK due to the new fast GRBM interface.
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*/
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if (vmhub == AMDGPU_GFXHUB_0)
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RREG32_NO_KIQ(hub->vm_inv_eng0_req + eng);
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/* Wait for ACK with a delay.*/
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for (i = 0; i < adev->usec_timeout; i++) {
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tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng);
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tmp &= 1 << vmid;
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if (tmp)
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break;
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udelay(1);
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}
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if (i < adev->usec_timeout)
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return;
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DRM_ERROR("Timeout waiting for VM flush ACK!\n");
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}
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/**
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* gmc_v10_0_flush_gpu_tlb - gart tlb flush callback
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*
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* @adev: amdgpu_device pointer
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* @vmid: vm instance to flush
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*
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* Flush the TLB for the requested page table.
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*/
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static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
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uint32_t vmhub, uint32_t flush_type)
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{
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struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
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struct dma_fence *fence;
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struct amdgpu_job *job;
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int r;
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/* flush hdp cache */
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adev->nbio_funcs->hdp_flush(adev, NULL);
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mutex_lock(&adev->mman.gtt_window_lock);
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if (vmhub == AMDGPU_MMHUB_0) {
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gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_MMHUB_0, 0);
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mutex_unlock(&adev->mman.gtt_window_lock);
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return;
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}
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BUG_ON(vmhub != AMDGPU_GFXHUB_0);
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if (!adev->mman.buffer_funcs_enabled ||
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!adev->ib_pool_ready ||
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adev->in_gpu_reset) {
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gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB_0, 0);
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mutex_unlock(&adev->mman.gtt_window_lock);
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return;
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}
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/* The SDMA on Navi has a bug which can theoretically result in memory
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* corruption if an invalidation happens at the same time as an VA
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* translation. Avoid this by doing the invalidation from the SDMA
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* itself.
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*/
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r = amdgpu_job_alloc_with_ib(adev, 16 * 4, &job);
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if (r)
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goto error_alloc;
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job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo);
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job->vm_needs_flush = true;
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amdgpu_ring_pad_ib(ring, &job->ibs[0]);
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r = amdgpu_job_submit(job, &adev->mman.entity,
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AMDGPU_FENCE_OWNER_UNDEFINED, &fence);
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if (r)
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goto error_submit;
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mutex_unlock(&adev->mman.gtt_window_lock);
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dma_fence_wait(fence, false);
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dma_fence_put(fence);
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return;
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error_submit:
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amdgpu_job_free(job);
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error_alloc:
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mutex_unlock(&adev->mman.gtt_window_lock);
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DRM_ERROR("Error flushing GPU TLB using the SDMA (%d)!\n", r);
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}
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static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
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unsigned vmid, uint64_t pd_addr)
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{
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struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
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uint32_t req = gmc_v10_0_get_invalidate_req(vmid, 0);
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unsigned eng = ring->vm_inv_eng;
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amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + (2 * vmid),
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lower_32_bits(pd_addr));
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amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid),
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upper_32_bits(pd_addr));
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amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_req + eng, req);
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/* wait for the invalidate to complete */
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amdgpu_ring_emit_reg_wait(ring, hub->vm_inv_eng0_ack + eng,
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1 << vmid, 1 << vmid);
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return pd_addr;
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}
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static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
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unsigned pasid)
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{
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struct amdgpu_device *adev = ring->adev;
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uint32_t reg;
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if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
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reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
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else
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reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
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amdgpu_ring_emit_wreg(ring, reg, pasid);
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}
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/*
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* PTE format on NAVI 10:
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* 63:59 reserved
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* 58:57 reserved
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* 56 F
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* 55 L
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* 54 reserved
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* 53:52 SW
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* 51 T
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* 50:48 mtype
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* 47:12 4k physical page base address
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* 11:7 fragment
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* 6 write
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* 5 read
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* 4 exe
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* 3 Z
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* 2 snooped
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* 1 system
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* 0 valid
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*
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* PDE format on NAVI 10:
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* 63:59 block fragment size
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* 58:55 reserved
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* 54 P
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* 53:48 reserved
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* 47:6 physical base address of PD or PTE
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* 5:3 reserved
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* 2 C
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* 1 system
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* 0 valid
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*/
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static uint64_t gmc_v10_0_get_vm_pte_flags(struct amdgpu_device *adev,
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uint32_t flags)
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{
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uint64_t pte_flag = 0;
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if (flags & AMDGPU_VM_PAGE_EXECUTABLE)
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pte_flag |= AMDGPU_PTE_EXECUTABLE;
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if (flags & AMDGPU_VM_PAGE_READABLE)
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pte_flag |= AMDGPU_PTE_READABLE;
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if (flags & AMDGPU_VM_PAGE_WRITEABLE)
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pte_flag |= AMDGPU_PTE_WRITEABLE;
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switch (flags & AMDGPU_VM_MTYPE_MASK) {
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case AMDGPU_VM_MTYPE_DEFAULT:
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pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
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break;
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case AMDGPU_VM_MTYPE_NC:
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pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
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break;
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case AMDGPU_VM_MTYPE_WC:
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pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_WC);
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break;
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case AMDGPU_VM_MTYPE_CC:
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pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_CC);
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break;
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case AMDGPU_VM_MTYPE_UC:
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pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_UC);
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break;
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default:
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pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC);
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break;
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}
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if (flags & AMDGPU_VM_PAGE_PRT)
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pte_flag |= AMDGPU_PTE_PRT;
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return pte_flag;
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}
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static void gmc_v10_0_get_vm_pde(struct amdgpu_device *adev, int level,
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uint64_t *addr, uint64_t *flags)
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{
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if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
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*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 const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = {
|
|
.flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb,
|
|
.emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb,
|
|
.emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping,
|
|
.get_vm_pte_flags = gmc_v10_0_get_vm_pte_flags,
|
|
.get_vm_pde = gmc_v10_0_get_vm_pde
|
|
};
|
|
|
|
static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev)
|
|
{
|
|
if (adev->gmc.gmc_funcs == NULL)
|
|
adev->gmc.gmc_funcs = &gmc_v10_0_gmc_funcs;
|
|
}
|
|
|
|
static int gmc_v10_0_early_init(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
gmc_v10_0_set_gmc_funcs(adev);
|
|
gmc_v10_0_set_irq_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 int gmc_v10_0_late_init(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
unsigned vm_inv_eng[AMDGPU_MAX_VMHUBS] = { 4, 4 };
|
|
unsigned i;
|
|
|
|
for(i = 0; i < adev->num_rings; ++i) {
|
|
struct amdgpu_ring *ring = adev->rings[i];
|
|
unsigned vmhub = ring->funcs->vmhub;
|
|
|
|
ring->vm_inv_eng = vm_inv_eng[vmhub]++;
|
|
dev_info(adev->dev, "ring %u(%s) uses VM inv eng %u on hub %u\n",
|
|
ring->idx, ring->name, ring->vm_inv_eng,
|
|
ring->funcs->vmhub);
|
|
}
|
|
|
|
/* Engine 17 is used for GART flushes */
|
|
for(i = 0; i < AMDGPU_MAX_VMHUBS; ++i)
|
|
BUG_ON(vm_inv_eng[i] > 17);
|
|
|
|
return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
|
|
}
|
|
|
|
static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev,
|
|
struct amdgpu_gmc *mc)
|
|
{
|
|
u64 base = 0;
|
|
|
|
if (!amdgpu_sriov_vf(adev))
|
|
base = gfxhub_v2_0_get_fb_location(adev);
|
|
|
|
amdgpu_gmc_vram_location(adev, &adev->gmc, base);
|
|
amdgpu_gmc_gart_location(adev, mc);
|
|
|
|
/* base offset of vram pages */
|
|
adev->vm_manager.vram_base_offset = gfxhub_v2_0_get_mc_fb_offset(adev);
|
|
}
|
|
|
|
/**
|
|
* gmc_v10_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_v10_0_mc_init(struct amdgpu_device *adev)
|
|
{
|
|
int chansize, numchan;
|
|
|
|
if (!amdgpu_emu_mode)
|
|
adev->gmc.vram_width = amdgpu_atomfirmware_get_vram_width(adev);
|
|
else {
|
|
/* hard code vram_width for emulation */
|
|
chansize = 128;
|
|
numchan = 1;
|
|
adev->gmc.vram_width = numchan * chansize;
|
|
}
|
|
|
|
/* Could aper size report 0 ? */
|
|
adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
|
|
adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
|
|
|
|
/* 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;
|
|
adev->gmc.visible_vram_size = adev->gmc.aper_size;
|
|
|
|
/* In case the PCI BAR is larger than the actual amount of vram */
|
|
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_NAVI10:
|
|
case CHIP_NAVI14:
|
|
case CHIP_NAVI12:
|
|
default:
|
|
adev->gmc.gart_size = 512ULL << 20;
|
|
break;
|
|
}
|
|
} else
|
|
adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
|
|
|
|
gmc_v10_0_vram_gtt_location(adev, &adev->gmc);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v10_0_gart_init(struct amdgpu_device *adev)
|
|
{
|
|
int r;
|
|
|
|
if (adev->gart.bo) {
|
|
WARN(1, "NAVI10 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_NV10(MTYPE_UC) |
|
|
AMDGPU_PTE_EXECUTABLE;
|
|
|
|
return amdgpu_gart_table_vram_alloc(adev);
|
|
}
|
|
|
|
static unsigned gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev)
|
|
{
|
|
u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
|
|
unsigned size;
|
|
|
|
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;
|
|
u32 pitch;
|
|
|
|
viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
|
|
pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH);
|
|
size = (REG_GET_FIELD(viewport,
|
|
HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
|
|
REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) *
|
|
4);
|
|
}
|
|
/* return 0 if the pre-OS buffer uses up most of vram */
|
|
if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) {
|
|
DRM_ERROR("Warning: pre-OS buffer uses most of vram, \
|
|
be aware of gart table overwrite\n");
|
|
return 0;
|
|
}
|
|
|
|
return size;
|
|
}
|
|
|
|
|
|
|
|
static int gmc_v10_0_sw_init(void *handle)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
gfxhub_v2_0_init(adev);
|
|
mmhub_v2_0_init(adev);
|
|
|
|
spin_lock_init(&adev->gmc.invalidate_lock);
|
|
|
|
adev->gmc.vram_type = amdgpu_atomfirmware_get_vram_type(adev);
|
|
switch (adev->asic_type) {
|
|
case CHIP_NAVI10:
|
|
case CHIP_NAVI14:
|
|
case CHIP_NAVI12:
|
|
adev->num_vmhubs = 2;
|
|
/*
|
|
* To fulfill 4-level page support,
|
|
* vm size is 256TB (48bit), maximum size of Navi10/Navi14/Navi12,
|
|
* block size 512 (9bit)
|
|
*/
|
|
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);
|
|
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2,
|
|
UTCL2_1_0__SRCID__FAULT,
|
|
&adev->gmc.vm_fault);
|
|
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 */
|
|
|
|
/*
|
|
* Reserve 8M stolen memory for navi10 like vega10
|
|
* TODO: will check if it's really needed on asic.
|
|
*/
|
|
if (amdgpu_emu_mode == 1)
|
|
adev->gmc.stolen_size = 0;
|
|
else
|
|
adev->gmc.stolen_size = 9 * 1024 *1024;
|
|
|
|
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;
|
|
}
|
|
|
|
r = gmc_v10_0_mc_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
adev->gmc.stolen_size = gmc_v10_0_get_vbios_fb_size(adev);
|
|
|
|
/* Memory manager */
|
|
r = amdgpu_bo_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
r = gmc_v10_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;
|
|
|
|
amdgpu_vm_manager_init(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* gmc_v8_0_gart_fini - vm fini callback
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* Tears down the driver GART/VM setup (CIK).
|
|
*/
|
|
static void gmc_v10_0_gart_fini(struct amdgpu_device *adev)
|
|
{
|
|
amdgpu_gart_table_vram_free(adev);
|
|
amdgpu_gart_fini(adev);
|
|
}
|
|
|
|
static int gmc_v10_0_sw_fini(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
amdgpu_vm_manager_fini(adev);
|
|
gmc_v10_0_gart_fini(adev);
|
|
amdgpu_gem_force_release(adev);
|
|
amdgpu_bo_fini(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev)
|
|
{
|
|
switch (adev->asic_type) {
|
|
case CHIP_NAVI10:
|
|
case CHIP_NAVI14:
|
|
case CHIP_NAVI12:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* gmc_v10_0_gart_enable - gart enable
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*/
|
|
static int gmc_v10_0_gart_enable(struct amdgpu_device *adev)
|
|
{
|
|
int r;
|
|
bool value;
|
|
u32 tmp;
|
|
|
|
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_v2_0_gart_enable(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
r = mmhub_v2_0_gart_enable(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
tmp = RREG32_SOC15(HDP, 0, mmHDP_MISC_CNTL);
|
|
tmp |= HDP_MISC_CNTL__FLUSH_INVALIDATE_CACHE_MASK;
|
|
WREG32_SOC15(HDP, 0, mmHDP_MISC_CNTL, tmp);
|
|
|
|
tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL);
|
|
WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp);
|
|
|
|
/* Flush HDP after it is initialized */
|
|
adev->nbio_funcs->hdp_flush(adev, NULL);
|
|
|
|
value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ?
|
|
false : true;
|
|
|
|
gfxhub_v2_0_set_fault_enable_default(adev, value);
|
|
mmhub_v2_0_set_fault_enable_default(adev, value);
|
|
gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB_0, 0);
|
|
gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_GFXHUB_0, 0);
|
|
|
|
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_v10_0_hw_init(void *handle)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
/* The sequence of these two function calls matters.*/
|
|
gmc_v10_0_init_golden_registers(adev);
|
|
|
|
r = gmc_v10_0_gart_enable(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* gmc_v10_0_gart_disable - gart disable
|
|
*
|
|
* @adev: amdgpu_device pointer
|
|
*
|
|
* This disables all VM page table.
|
|
*/
|
|
static void gmc_v10_0_gart_disable(struct amdgpu_device *adev)
|
|
{
|
|
gfxhub_v2_0_gart_disable(adev);
|
|
mmhub_v2_0_gart_disable(adev);
|
|
amdgpu_gart_table_vram_unpin(adev);
|
|
}
|
|
|
|
static int gmc_v10_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.vm_fault, 0);
|
|
gmc_v10_0_gart_disable(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v10_0_suspend(void *handle)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
gmc_v10_0_hw_fini(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v10_0_resume(void *handle)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
r = gmc_v10_0_hw_init(adev);
|
|
if (r)
|
|
return r;
|
|
|
|
amdgpu_vmid_reset_all(adev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool gmc_v10_0_is_idle(void *handle)
|
|
{
|
|
/* MC is always ready in GMC v10.*/
|
|
return true;
|
|
}
|
|
|
|
static int gmc_v10_0_wait_for_idle(void *handle)
|
|
{
|
|
/* There is no need to wait for MC idle in GMC v10.*/
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v10_0_soft_reset(void *handle)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int gmc_v10_0_set_clockgating_state(void *handle,
|
|
enum amd_clockgating_state state)
|
|
{
|
|
int r;
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
r = mmhub_v2_0_set_clockgating(adev, state);
|
|
if (r)
|
|
return r;
|
|
|
|
return athub_v2_0_set_clockgating(adev, state);
|
|
}
|
|
|
|
static void gmc_v10_0_get_clockgating_state(void *handle, u32 *flags)
|
|
{
|
|
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
|
|
|
|
mmhub_v2_0_get_clockgating(adev, flags);
|
|
|
|
athub_v2_0_get_clockgating(adev, flags);
|
|
}
|
|
|
|
static int gmc_v10_0_set_powergating_state(void *handle,
|
|
enum amd_powergating_state state)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
const struct amd_ip_funcs gmc_v10_0_ip_funcs = {
|
|
.name = "gmc_v10_0",
|
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.early_init = gmc_v10_0_early_init,
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.late_init = gmc_v10_0_late_init,
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.sw_init = gmc_v10_0_sw_init,
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.sw_fini = gmc_v10_0_sw_fini,
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.hw_init = gmc_v10_0_hw_init,
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.hw_fini = gmc_v10_0_hw_fini,
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.suspend = gmc_v10_0_suspend,
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.resume = gmc_v10_0_resume,
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.is_idle = gmc_v10_0_is_idle,
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.wait_for_idle = gmc_v10_0_wait_for_idle,
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.soft_reset = gmc_v10_0_soft_reset,
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.set_clockgating_state = gmc_v10_0_set_clockgating_state,
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.set_powergating_state = gmc_v10_0_set_powergating_state,
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.get_clockgating_state = gmc_v10_0_get_clockgating_state,
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};
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|
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const struct amdgpu_ip_block_version gmc_v10_0_ip_block =
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{
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.type = AMD_IP_BLOCK_TYPE_GMC,
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.major = 10,
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.minor = 0,
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.rev = 0,
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.funcs = &gmc_v10_0_ip_funcs,
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};
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