/* * 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 "amdgpu.h" #include "gmc_v9_0.h" #include "amdgpu_atomfirmware.h" #include "vega10/soc15ip.h" #include "vega10/HDP/hdp_4_0_offset.h" #include "vega10/HDP/hdp_4_0_sh_mask.h" #include "vega10/GC/gc_9_0_sh_mask.h" #include "vega10/DC/dce_12_0_offset.h" #include "vega10/DC/dce_12_0_sh_mask.h" #include "vega10/vega10_enum.h" #include "soc15_common.h" #include "nbio_v6_1.h" #include "nbio_v7_0.h" #include "gfxhub_v1_0.h" #include "mmhub_v1_0.h" #define mmDF_CS_AON0_DramBaseAddress0 0x0044 #define mmDF_CS_AON0_DramBaseAddress0_BASE_IDX 0 //DF_CS_AON0_DramBaseAddress0 #define DF_CS_AON0_DramBaseAddress0__AddrRngVal__SHIFT 0x0 #define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn__SHIFT 0x1 #define DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT 0x4 #define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel__SHIFT 0x8 #define DF_CS_AON0_DramBaseAddress0__DramBaseAddr__SHIFT 0xc #define DF_CS_AON0_DramBaseAddress0__AddrRngVal_MASK 0x00000001L #define DF_CS_AON0_DramBaseAddress0__LgcyMmioHoleEn_MASK 0x00000002L #define DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK 0x000000F0L #define DF_CS_AON0_DramBaseAddress0__IntLvAddrSel_MASK 0x00000700L #define DF_CS_AON0_DramBaseAddress0__DramBaseAddr_MASK 0xFFFFF000L /* XXX Move this macro to VEGA10 header file, which is like vid.h for VI.*/ #define AMDGPU_NUM_OF_VMIDS 8 static const u32 golden_settings_vega10_hdp[] = { 0xf64, 0x0fffffff, 0x00000000, 0xf65, 0x0fffffff, 0x00000000, 0xf66, 0x0fffffff, 0x00000000, 0xf67, 0x0fffffff, 0x00000000, 0xf68, 0x0fffffff, 0x00000000, 0xf6a, 0x0fffffff, 0x00000000, 0xf6b, 0x0fffffff, 0x00000000, 0xf6c, 0x0fffffff, 0x00000000, 0xf6d, 0x0fffffff, 0x00000000, 0xf6e, 0x0fffffff, 0x00000000, }; static 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; 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: /* MM HUB */ hub = &adev->vmhub[AMDGPU_MMHUB]; for (i = 0; i< 16; i++) { reg = hub->vm_context0_cntl + i; tmp = RREG32(reg); tmp &= ~bits; WREG32(reg, tmp); } /* GFX HUB */ hub = &adev->vmhub[AMDGPU_GFXHUB]; for (i = 0; i < 16; i++) { reg = hub->vm_context0_cntl + i; tmp = RREG32(reg); tmp &= ~bits; WREG32(reg, tmp); } break; case AMDGPU_IRQ_STATE_ENABLE: /* MM HUB */ hub = &adev->vmhub[AMDGPU_MMHUB]; for (i = 0; i< 16; i++) { reg = hub->vm_context0_cntl + i; tmp = RREG32(reg); tmp |= bits; WREG32(reg, tmp); } /* GFX HUB */ hub = &adev->vmhub[AMDGPU_GFXHUB]; for (i = 0; i < 16; i++) { reg = hub->vm_context0_cntl + i; tmp = RREG32(reg); tmp |= bits; WREG32(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) { struct amdgpu_vmhub *hub = &adev->vmhub[entry->vm_id_src]; uint32_t status = 0; u64 addr; addr = (u64)entry->src_data[0] << 12; addr |= ((u64)entry->src_data[1] & 0xf) << 44; if (!amdgpu_sriov_vf(adev)) { status = RREG32(hub->vm_l2_pro_fault_status); WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); } if (printk_ratelimit()) { dev_err(adev->dev, "[%s] VMC page fault (src_id:%u ring:%u vm_id:%u pas_id:%u)\n", entry->vm_id_src ? "mmhub" : "gfxhub", entry->src_id, entry->ring_id, entry->vm_id, entry->pas_id); dev_err(adev->dev, " at page 0x%016llx from %d\n", addr, entry->client_id); if (!amdgpu_sriov_vf(adev)) dev_err(adev->dev, "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n", status); } 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 void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev) { adev->mc.vm_fault.num_types = 1; adev->mc.vm_fault.funcs = &gmc_v9_0_irq_funcs; } static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vm_id) { u32 req = 0; /* invalidate using legacy mode on vm_id*/ req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, PER_VMID_INVALIDATE_REQ, 1 << vm_id); req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, 0); req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0); return req; } /* * GART * VMID 0 is the physical GPU addresses as used by the kernel. * VMIDs 1-15 are used for userspace clients and are handled * by the amdgpu vm/hsa code. */ /** * gmc_v9_0_gart_flush_gpu_tlb - gart tlb flush callback * * @adev: amdgpu_device pointer * @vmid: vm instance to flush * * Flush the TLB for the requested page table. */ static void gmc_v9_0_gart_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid) { /* Use register 17 for GART */ const unsigned eng = 17; unsigned i, j; /* flush hdp cache */ if (adev->flags & AMD_IS_APU) nbio_v7_0_hdp_flush(adev); else nbio_v6_1_hdp_flush(adev); spin_lock(&adev->mc.invalidate_lock); for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) { struct amdgpu_vmhub *hub = &adev->vmhub[i]; u32 tmp = gmc_v9_0_get_invalidate_req(vmid); WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, tmp); /* Busy wait for ACK.*/ for (j = 0; j < 100; j++) { tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng); tmp &= 1 << vmid; if (tmp) break; cpu_relax(); } if (j < 100) continue; /* Wait for ACK with a delay.*/ for (j = 0; j < adev->usec_timeout; j++) { tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng); tmp &= 1 << vmid; if (tmp) break; udelay(1); } if (j < adev->usec_timeout) continue; DRM_ERROR("Timeout waiting for VM flush ACK!\n"); } spin_unlock(&adev->mc.invalidate_lock); } /** * gmc_v9_0_gart_set_pte_pde - update the page tables using MMIO * * @adev: amdgpu_device pointer * @cpu_pt_addr: cpu address of the page table * @gpu_page_idx: entry in the page table to update * @addr: dst addr to write into pte/pde * @flags: access flags * * Update the page tables using the CPU. */ static int gmc_v9_0_gart_set_pte_pde(struct amdgpu_device *adev, void *cpu_pt_addr, uint32_t gpu_page_idx, uint64_t addr, uint64_t flags) { void __iomem *ptr = (void *)cpu_pt_addr; uint64_t value; /* * 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 */ /* * The following is for PTE only. GART does not have PDEs. */ value = addr & 0x0000FFFFFFFFF000ULL; value |= flags; writeq(value, ptr + (gpu_page_idx * 8)); return 0; } static uint64_t gmc_v9_0_get_vm_pte_flags(struct amdgpu_device *adev, uint32_t flags) { uint64_t pte_flag = 0; if (flags & AMDGPU_VM_PAGE_EXECUTABLE) pte_flag |= AMDGPU_PTE_EXECUTABLE; if (flags & AMDGPU_VM_PAGE_READABLE) pte_flag |= AMDGPU_PTE_READABLE; if (flags & AMDGPU_VM_PAGE_WRITEABLE) pte_flag |= AMDGPU_PTE_WRITEABLE; switch (flags & AMDGPU_VM_MTYPE_MASK) { case AMDGPU_VM_MTYPE_DEFAULT: pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); break; case AMDGPU_VM_MTYPE_NC: pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); break; case AMDGPU_VM_MTYPE_WC: pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_WC); break; case AMDGPU_VM_MTYPE_CC: pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_CC); break; case AMDGPU_VM_MTYPE_UC: pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_UC); break; default: pte_flag |= AMDGPU_PTE_MTYPE(MTYPE_NC); break; } if (flags & AMDGPU_VM_PAGE_PRT) pte_flag |= AMDGPU_PTE_PRT; return pte_flag; } static u64 gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, u64 addr) { addr = adev->vm_manager.vram_base_offset + addr - adev->mc.vram_start; BUG_ON(addr & 0xFFFF00000000003FULL); return addr; } static const struct amdgpu_gart_funcs gmc_v9_0_gart_funcs = { .flush_gpu_tlb = gmc_v9_0_gart_flush_gpu_tlb, .set_pte_pde = gmc_v9_0_gart_set_pte_pde, .get_invalidate_req = gmc_v9_0_get_invalidate_req, .get_vm_pte_flags = gmc_v9_0_get_vm_pte_flags, .get_vm_pde = gmc_v9_0_get_vm_pde }; static void gmc_v9_0_set_gart_funcs(struct amdgpu_device *adev) { if (adev->gart.gart_funcs == NULL) adev->gart.gart_funcs = &gmc_v9_0_gart_funcs; } static int gmc_v9_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v9_0_set_gart_funcs(adev); gmc_v9_0_set_irq_funcs(adev); return 0; } static int gmc_v9_0_late_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; unsigned vm_inv_eng[AMDGPU_MAX_VMHUBS] = { 3, 3 }; 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->mc.vm_fault, 0); } static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) { u64 base = 0; if (!amdgpu_sriov_vf(adev)) base = mmhub_v1_0_get_fb_location(adev); amdgpu_vram_location(adev, &adev->mc, base); amdgpu_gart_location(adev, mc); /* base offset of vram pages */ if (adev->flags & AMD_IS_APU) adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev); else adev->vm_manager.vram_base_offset = 0; } /** * 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) { u32 tmp; int chansize, numchan; adev->mc.vram_width = amdgpu_atomfirmware_get_vram_width(adev); if (!adev->mc.vram_width) { /* hbm memory channel size */ chansize = 128; tmp = RREG32_SOC15(DF, 0, mmDF_CS_AON0_DramBaseAddress0); tmp &= DF_CS_AON0_DramBaseAddress0__IntLvNumChan_MASK; tmp >>= DF_CS_AON0_DramBaseAddress0__IntLvNumChan__SHIFT; switch (tmp) { case 0: default: numchan = 1; break; case 1: numchan = 2; break; case 2: numchan = 0; break; case 3: numchan = 4; break; case 4: numchan = 0; break; case 5: numchan = 8; break; case 6: numchan = 0; break; case 7: numchan = 16; break; case 8: numchan = 2; break; } adev->mc.vram_width = numchan * chansize; } /* Could aper size report 0 ? */ adev->mc.aper_base = pci_resource_start(adev->pdev, 0); adev->mc.aper_size = pci_resource_len(adev->pdev, 0); /* size in MB on si */ adev->mc.mc_vram_size = ((adev->flags & AMD_IS_APU) ? nbio_v7_0_get_memsize(adev) : nbio_v6_1_get_memsize(adev)) * 1024ULL * 1024ULL; adev->mc.real_vram_size = adev->mc.mc_vram_size; adev->mc.visible_vram_size = adev->mc.aper_size; /* In case the PCI BAR is larger than the actual amount of vram */ if (adev->mc.visible_vram_size > adev->mc.real_vram_size) adev->mc.visible_vram_size = adev->mc.real_vram_size; amdgpu_gart_set_defaults(adev); gmc_v9_0_vram_gtt_location(adev, &adev->mc); return 0; } static int gmc_v9_0_gart_init(struct amdgpu_device *adev) { int r; if (adev->gart.robj) { WARN(1, "VEGA10 PCIE GART already initialized\n"); return 0; } /* Initialize common gart structure */ r = amdgpu_gart_init(adev); if (r) return r; adev->gart.table_size = adev->gart.num_gpu_pages * 8; adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE(MTYPE_UC) | AMDGPU_PTE_EXECUTABLE; return amdgpu_gart_table_vram_alloc(adev); } static int gmc_v9_0_sw_init(void *handle) { int r; int dma_bits; struct amdgpu_device *adev = (struct amdgpu_device *)handle; gfxhub_v1_0_init(adev); mmhub_v1_0_init(adev); spin_lock_init(&adev->mc.invalidate_lock); switch (adev->asic_type) { case CHIP_RAVEN: adev->mc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN; if (adev->rev_id == 0x0 || adev->rev_id == 0x1) { adev->vm_manager.vm_size = 1U << 18; adev->vm_manager.block_size = 9; adev->vm_manager.num_level = 3; } else { /* vm_size is 64GB for legacy 2-level page support*/ amdgpu_vm_adjust_size(adev, 64); adev->vm_manager.num_level = 1; } break; case CHIP_VEGA10: /* XXX Don't know how to get VRAM type yet. */ adev->mc.vram_type = AMDGPU_VRAM_TYPE_HBM; /* * To fulfill 4-level page support, * vm size is 256TB (48bit), maximum size of Vega10, * block size 512 (9bit) */ adev->vm_manager.vm_size = 1U << 18; adev->vm_manager.block_size = 9; adev->vm_manager.num_level = 3; break; default: break; } DRM_INFO("vm size is %llu GB, block size is %u-bit\n", adev->vm_manager.vm_size, adev->vm_manager.block_size); /* This interrupt is VMC page fault.*/ r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_VMC, 0, &adev->mc.vm_fault); r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_UTCL2, 0, &adev->mc.vm_fault); if (r) return r; adev->vm_manager.max_pfn = adev->vm_manager.vm_size << 18; /* Set the internal MC address mask * This is the max address of the GPU's * internal address space. */ adev->mc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ /* * It needs to reserve 8M stolen memory for vega10 * TODO: Figure out how to avoid that... */ adev->mc.stolen_size = 8 * 1024 * 1024; /* set DMA mask + need_dma32 flags. * PCIE - can handle 44-bits. * IGP - can handle 44-bits * PCI - dma32 for legacy pci gart, 44 bits on vega10 */ adev->need_dma32 = false; dma_bits = adev->need_dma32 ? 32 : 44; r = pci_set_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); if (r) { adev->need_dma32 = true; dma_bits = 32; printk(KERN_WARNING "amdgpu: No suitable DMA available.\n"); } r = pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(dma_bits)); if (r) { pci_set_consistent_dma_mask(adev->pdev, DMA_BIT_MASK(32)); printk(KERN_WARNING "amdgpu: No coherent DMA available.\n"); } r = gmc_v9_0_mc_init(adev); if (r) return r; /* Memory manager */ r = amdgpu_bo_init(adev); if (r) return r; r = gmc_v9_0_gart_init(adev); if (r) return r; /* * number of VMs * VMID 0 is reserved for System * amdgpu graphics/compute will use VMIDs 1-7 * amdkfd will use VMIDs 8-15 */ adev->vm_manager.id_mgr[AMDGPU_GFXHUB].num_ids = AMDGPU_NUM_OF_VMIDS; adev->vm_manager.id_mgr[AMDGPU_MMHUB].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_v9_0_gart_fini(struct amdgpu_device *adev) { amdgpu_gart_table_vram_free(adev); amdgpu_gart_fini(adev); } static int gmc_v9_0_sw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; amdgpu_vm_manager_fini(adev); gmc_v9_0_gart_fini(adev); amdgpu_gem_force_release(adev); amdgpu_bo_fini(adev); return 0; } static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev) { switch (adev->asic_type) { case CHIP_VEGA10: break; case CHIP_RAVEN: break; default: break; } } /** * gmc_v9_0_gart_enable - gart enable * * @adev: amdgpu_device pointer */ static int gmc_v9_0_gart_enable(struct amdgpu_device *adev) { int r; bool value; u32 tmp; amdgpu_program_register_sequence(adev, golden_settings_vega10_hdp, (const u32)ARRAY_SIZE(golden_settings_vega10_hdp)); if (adev->gart.robj == 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; /* After HDP is initialized, flush HDP.*/ if (adev->flags & AMD_IS_APU) nbio_v7_0_hdp_flush(adev); else nbio_v6_1_hdp_flush(adev); switch (adev->asic_type) { case CHIP_RAVEN: mmhub_v1_0_initialize_power_gating(adev); mmhub_v1_0_update_power_gating(adev, true); break; default: break; } r = gfxhub_v1_0_gart_enable(adev); if (r) return r; r = mmhub_v1_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); if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) value = false; else value = true; gfxhub_v1_0_set_fault_enable_default(adev, value); mmhub_v1_0_set_fault_enable_default(adev, value); gmc_v9_0_gart_flush_gpu_tlb(adev, 0); DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", (unsigned)(adev->mc.gart_size >> 20), (unsigned long long)adev->gart.table_addr); adev->gart.ready = true; return 0; } static int gmc_v9_0_hw_init(void *handle) { int r; struct amdgpu_device *adev = (struct amdgpu_device *)handle; /* The sequence of these two function calls matters.*/ gmc_v9_0_init_golden_registers(adev); if (adev->mode_info.num_crtc) { u32 tmp; /* Lockout access through VGA aperture*/ tmp = RREG32_SOC15(DCE, 0, mmVGA_HDP_CONTROL); tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1); WREG32_SOC15(DCE, 0, mmVGA_HDP_CONTROL, tmp); /* disable VGA render */ tmp = RREG32_SOC15(DCE, 0, mmVGA_RENDER_CONTROL); tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0); WREG32_SOC15(DCE, 0, mmVGA_RENDER_CONTROL, tmp); } r = gmc_v9_0_gart_enable(adev); return r; } /** * gmc_v9_0_gart_disable - gart disable * * @adev: amdgpu_device pointer * * This disables all VM page table. */ static void gmc_v9_0_gart_disable(struct amdgpu_device *adev) { gfxhub_v1_0_gart_disable(adev); mmhub_v1_0_gart_disable(adev); amdgpu_gart_table_vram_unpin(adev); } static int gmc_v9_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (amdgpu_sriov_vf(adev)) { /* full access mode, so don't touch any GMC register */ DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); return 0; } amdgpu_irq_put(adev, &adev->mc.vm_fault, 0); gmc_v9_0_gart_disable(adev); return 0; } static int gmc_v9_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v9_0_hw_fini(adev); return 0; } 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_vm_reset_all_ids(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; return mmhub_v1_0_set_clockgating(adev, state); } static void gmc_v9_0_get_clockgating_state(void *handle, u32 *flags) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; mmhub_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, };