From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 1997 +++++++++++++++++++++++++++++++++ 1 file changed, 1997 insertions(+) create mode 100644 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c') diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c new file mode 100644 index 000000000..0d9e9d9dd --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -0,0 +1,1997 @@ +/* + * 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 +#include + +#include + +#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, +}; -- cgit v1.2.3