/* * Copyright 2019 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 "amdgpu_atomfirmware.h" #include "gmc_v10_0.h" #include "umc_v8_7.h" #include "athub/athub_2_0_0_sh_mask.h" #include "athub/athub_2_0_0_offset.h" #include "dcn/dcn_2_0_0_offset.h" #include "dcn/dcn_2_0_0_sh_mask.h" #include "oss/osssys_5_0_0_offset.h" #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h" #include "navi10_enum.h" #include "soc15.h" #include "soc15d.h" #include "soc15_common.h" #include "nbio_v2_3.h" #include "gfxhub_v2_0.h" #include "gfxhub_v2_1.h" #include "mmhub_v2_0.h" #include "mmhub_v2_3.h" #include "athub_v2_0.h" #include "athub_v2_1.h" static int gmc_v10_0_ecc_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned int type, enum amdgpu_interrupt_state state) { return 0; } static int gmc_v10_0_vm_fault_interrupt_state(struct amdgpu_device *adev, struct amdgpu_irq_src *src, unsigned int type, enum amdgpu_interrupt_state state) { switch (state) { case AMDGPU_IRQ_STATE_DISABLE: /* MM HUB */ amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), false); /* GFX HUB */ /* This works because this interrupt is only * enabled at init/resume and disabled in * fini/suspend, so the overall state doesn't * change over the course of suspend/resume. */ if (!adev->in_s0ix) amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), false); break; case AMDGPU_IRQ_STATE_ENABLE: /* MM HUB */ amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_MMHUB0(0), true); /* GFX HUB */ /* This works because this interrupt is only * enabled at init/resume and disabled in * fini/suspend, so the overall state doesn't * change over the course of suspend/resume. */ if (!adev->in_s0ix) amdgpu_gmc_set_vm_fault_masks(adev, AMDGPU_GFXHUB(0), true); break; default: break; } return 0; } static int gmc_v10_0_process_interrupt(struct amdgpu_device *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { uint32_t vmhub_index = entry->client_id == SOC15_IH_CLIENTID_VMC ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0); struct amdgpu_vmhub *hub = &adev->vmhub[vmhub_index]; bool retry_fault = !!(entry->src_data[1] & 0x80); bool write_fault = !!(entry->src_data[1] & 0x20); struct amdgpu_task_info *task_info; uint32_t status = 0; 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, 0, 0, addr, entry->timestamp, write_fault)) return 1; } if (!amdgpu_sriov_vf(adev)) { /* * Issue a dummy read to wait for the status register to * be updated to avoid reading an incorrect value due to * the new fast GRBM interface. */ if ((entry->vmid_src == AMDGPU_GFXHUB(0)) && (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 3, 0))) RREG32(hub->vm_l2_pro_fault_status); status = RREG32(hub->vm_l2_pro_fault_status); WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); amdgpu_vm_update_fault_cache(adev, entry->pasid, addr, status, entry->vmid_src ? AMDGPU_MMHUB0(0) : AMDGPU_GFXHUB(0)); } if (!printk_ratelimit()) return 0; dev_err(adev->dev, "[%s] page fault (src_id:%u ring:%u vmid:%u pasid:%u)\n", entry->vmid_src ? "mmhub" : "gfxhub", entry->src_id, entry->ring_id, entry->vmid, entry->pasid); task_info = amdgpu_vm_get_task_info_pasid(adev, entry->pasid); if (task_info) { dev_err(adev->dev, " in process %s pid %d thread %s pid %d\n", task_info->process_name, task_info->tgid, task_info->task_name, task_info->pid); amdgpu_vm_put_task_info(task_info); } dev_err(adev->dev, " in page starting at address 0x%016llx from client 0x%x (%s)\n", addr, entry->client_id, soc15_ih_clientid_name[entry->client_id]); if (!amdgpu_sriov_vf(adev)) hub->vmhub_funcs->print_l2_protection_fault_status(adev, status); return 0; } static const struct amdgpu_irq_src_funcs gmc_v10_0_irq_funcs = { .set = gmc_v10_0_vm_fault_interrupt_state, .process = gmc_v10_0_process_interrupt, }; static const struct amdgpu_irq_src_funcs gmc_v10_0_ecc_funcs = { .set = gmc_v10_0_ecc_interrupt_state, .process = amdgpu_umc_process_ecc_irq, }; static void gmc_v10_0_set_irq_funcs(struct amdgpu_device *adev) { adev->gmc.vm_fault.num_types = 1; adev->gmc.vm_fault.funcs = &gmc_v10_0_irq_funcs; if (!amdgpu_sriov_vf(adev)) { adev->gmc.ecc_irq.num_types = 1; adev->gmc.ecc_irq.funcs = &gmc_v10_0_ecc_funcs; } } /** * gmc_v10_0_use_invalidate_semaphore - judge whether to use semaphore * * @adev: amdgpu_device pointer * @vmhub: vmhub type * */ static bool gmc_v10_0_use_invalidate_semaphore(struct amdgpu_device *adev, uint32_t vmhub) { return ((vmhub == AMDGPU_MMHUB0(0)) && (!amdgpu_sriov_vf(adev))); } static bool gmc_v10_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_v10_0_flush_gpu_tlb - gart tlb flush callback * * @adev: amdgpu_device pointer * @vmid: vm instance to flush * @vmhub: vmhub type * @flush_type: the flush type * * Flush the TLB for the requested page table. */ static void gmc_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid, uint32_t vmhub, uint32_t flush_type) { bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(adev, vmhub); struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; u32 inv_req = hub->vmhub_funcs->get_invalidate_req(vmid, flush_type); /* Use register 17 for GART */ const unsigned int eng = 17; unsigned char hub_ip = 0; u32 sem, req, ack; unsigned int i; u32 tmp; sem = hub->vm_inv_eng0_sem + hub->eng_distance * eng; req = hub->vm_inv_eng0_req + hub->eng_distance * eng; ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng; /* flush hdp cache */ adev->hdp.funcs->flush_hdp(adev, NULL); /* This is necessary for SRIOV as well as for GFXOFF to function * properly under bare metal */ if (adev->gfx.kiq[0].ring.sched.ready && !adev->enable_mes && (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev))) { amdgpu_gmc_fw_reg_write_reg_wait(adev, req, ack, inv_req, 1 << vmid, GET_INST(GC, 0)); return; } /* This path is needed before KIQ/MES/GFXOFF are set up */ hub_ip = (vmhub == AMDGPU_GFXHUB(0)) ? GC_HWIP : MMHUB_HWIP; 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 (i = 0; i < adev->usec_timeout; i++) { /* a read return value of 1 means semaphore acuqire */ tmp = RREG32_RLC_NO_KIQ(sem, hub_ip); if (tmp & 0x1) break; udelay(1); } if (i >= adev->usec_timeout) DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n"); } WREG32_RLC_NO_KIQ(req, inv_req, hub_ip); /* * 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)) && (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 3, 0))) RREG32_RLC_NO_KIQ(req, hub_ip); /* Wait for ACK with a delay.*/ for (i = 0; i < adev->usec_timeout; i++) { tmp = RREG32_RLC_NO_KIQ(ack, hub_ip); tmp &= 1 << vmid; if (tmp) break; udelay(1); } /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */ if (use_semaphore) WREG32_RLC_NO_KIQ(sem, 0, hub_ip); spin_unlock(&adev->gmc.invalidate_lock); if (i >= adev->usec_timeout) dev_err(adev->dev, "Timeout waiting for VM flush hub: %d!\n", vmhub); } /** * gmc_v10_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: Used with PACKET3_INVALIDATE_TLBS_ALL_HUB() * @inst: is used to select which instance of KIQ to use for the invalidation * * Flush the TLB for the requested pasid. */ static void gmc_v10_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev, uint16_t pasid, uint32_t flush_type, bool all_hub, uint32_t inst) { uint16_t queried; int vmid, i; for (vmid = 1; vmid < AMDGPU_NUM_VMID; vmid++) { bool valid; valid = gmc_v10_0_get_atc_vmid_pasid_mapping_info(adev, vmid, &queried); if (!valid || queried != pasid) continue; if (all_hub) { for_each_set_bit(i, adev->vmhubs_mask, AMDGPU_MAX_VMHUBS) gmc_v10_0_flush_gpu_tlb(adev, vmid, i, flush_type); } else { gmc_v10_0_flush_gpu_tlb(adev, vmid, AMDGPU_GFXHUB(0), flush_type); } } } static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, unsigned int vmid, uint64_t pd_addr) { bool use_semaphore = gmc_v10_0_use_invalidate_semaphore(ring->adev, ring->vm_hub); struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->vm_hub]; uint32_t req = hub->vmhub_funcs->get_invalidate_req(vmid, 0); unsigned int 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_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned int vmid, unsigned int pasid) { struct amdgpu_device *adev = ring->adev; uint32_t reg; /* MES fw manages IH_VMID_x_LUT updating */ if (ring->is_mes_queue) return; if (ring->vm_hub == 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 NAVI 10: * 63:59 reserved * 58 reserved and for sienna_cichlid is used for MALL noalloc * 57 reserved * 56 F * 55 L * 54 reserved * 53:52 SW * 51 T * 50:48 mtype * 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 NAVI 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_v10_0_map_mtype(struct amdgpu_device *adev, uint32_t flags) { switch (flags) { case AMDGPU_VM_MTYPE_DEFAULT: return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC); case AMDGPU_VM_MTYPE_NC: return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC); case AMDGPU_VM_MTYPE_WC: return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_WC); case AMDGPU_VM_MTYPE_CC: return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_CC); case AMDGPU_VM_MTYPE_UC: return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_UC); default: return AMDGPU_PTE_MTYPE_NV10(0ULL, MTYPE_NC); } } static void gmc_v10_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; else *flags |= AMDGPU_PTE_TF; } } static void gmc_v10_0_get_vm_pte(struct amdgpu_device *adev, struct amdgpu_bo_va_mapping *mapping, uint64_t *flags) { struct amdgpu_bo *bo = mapping->bo_va->base.bo; *flags &= ~AMDGPU_PTE_EXECUTABLE; *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE; *flags &= ~AMDGPU_PTE_MTYPE_NV10_MASK; *flags |= (mapping->flags & AMDGPU_PTE_MTYPE_NV10_MASK); *flags &= ~AMDGPU_PTE_NOALLOC; *flags |= (mapping->flags & AMDGPU_PTE_NOALLOC); if (mapping->flags & AMDGPU_PTE_PRT) { *flags |= AMDGPU_PTE_PRT; *flags |= AMDGPU_PTE_SNOOPED; *flags |= AMDGPU_PTE_LOG; *flags |= AMDGPU_PTE_SYSTEM; *flags &= ~AMDGPU_PTE_VALID; } if (bo && bo->flags & (AMDGPU_GEM_CREATE_COHERENT | AMDGPU_GEM_CREATE_EXT_COHERENT | AMDGPU_GEM_CREATE_UNCACHED)) *flags = AMDGPU_PTE_MTYPE_NV10(*flags, MTYPE_UC); } static unsigned int gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev) { u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL); unsigned int size; if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { size = AMDGPU_VBIOS_VGA_ALLOCATION; } 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 size; } static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = { .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb, .flush_gpu_tlb_pasid = gmc_v10_0_flush_gpu_tlb_pasid, .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb, .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping, .map_mtype = gmc_v10_0_map_mtype, .get_vm_pde = gmc_v10_0_get_vm_pde, .get_vm_pte = gmc_v10_0_get_vm_pte, .get_vbios_fb_size = gmc_v10_0_get_vbios_fb_size, }; 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 void gmc_v10_0_set_umc_funcs(struct amdgpu_device *adev) { switch (amdgpu_ip_version(adev, UMC_HWIP, 0)) { case IP_VERSION(8, 7, 0): adev->umc.max_ras_err_cnt_per_query = UMC_V8_7_TOTAL_CHANNEL_NUM; adev->umc.channel_inst_num = UMC_V8_7_CHANNEL_INSTANCE_NUM; adev->umc.umc_inst_num = UMC_V8_7_UMC_INSTANCE_NUM; adev->umc.channel_offs = UMC_V8_7_PER_CHANNEL_OFFSET_SIENNA; adev->umc.retire_unit = 1; adev->umc.channel_idx_tbl = &umc_v8_7_channel_idx_tbl[0][0]; adev->umc.ras = &umc_v8_7_ras; break; default: break; } } static void gmc_v10_0_set_mmhub_funcs(struct amdgpu_device *adev) { switch (amdgpu_ip_version(adev, MMHUB_HWIP, 0)) { case IP_VERSION(2, 3, 0): case IP_VERSION(2, 4, 0): case IP_VERSION(2, 4, 1): adev->mmhub.funcs = &mmhub_v2_3_funcs; break; default: adev->mmhub.funcs = &mmhub_v2_0_funcs; break; } } static void gmc_v10_0_set_gfxhub_funcs(struct amdgpu_device *adev) { switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { case IP_VERSION(10, 3, 0): case IP_VERSION(10, 3, 2): case IP_VERSION(10, 3, 1): case IP_VERSION(10, 3, 4): case IP_VERSION(10, 3, 5): case IP_VERSION(10, 3, 6): case IP_VERSION(10, 3, 3): case IP_VERSION(10, 3, 7): adev->gfxhub.funcs = &gfxhub_v2_1_funcs; break; default: adev->gfxhub.funcs = &gfxhub_v2_0_funcs; break; } } static int gmc_v10_0_early_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v10_0_set_mmhub_funcs(adev); gmc_v10_0_set_gfxhub_funcs(adev); gmc_v10_0_set_gmc_funcs(adev); gmc_v10_0_set_irq_funcs(adev); gmc_v10_0_set_umc_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; adev->gmc.noretry_flags = AMDGPU_VM_NORETRY_FLAGS_TF; return 0; } static int gmc_v10_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; r = amdgpu_gmc_ras_late_init(adev); if (r) return r; 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; base = adev->gfxhub.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; amdgpu_gmc_set_agp_default(adev, mc); amdgpu_gmc_vram_location(adev, &adev->gmc, base); amdgpu_gmc_gart_location(adev, mc, AMDGPU_GART_PLACEMENT_BEST_FIT); if (!amdgpu_sriov_vf(adev) && (amdgpu_agp == 1)) 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); /* 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_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 r; /* size in MB on si */ adev->gmc.mc_vram_size = adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL; adev->gmc.real_vram_size = adev->gmc.mc_vram_size; if (!(adev->flags & AMD_IS_APU)) { r = amdgpu_device_resize_fb_bar(adev); if (r) return r; } adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); #ifdef CONFIG_X86_64 if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) { adev->gmc.aper_base = adev->gfxhub.funcs->get_mc_fb_offset(adev); adev->gmc.aper_size = adev->gmc.real_vram_size; } #endif adev->gmc.visible_vram_size = adev->gmc.aper_size; /* set the gart size */ if (amdgpu_gart_size == -1) { switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { default: adev->gmc.gart_size = 512ULL << 20; break; case IP_VERSION(10, 3, 1): /* DCE SG support */ case IP_VERSION(10, 3, 3): /* DCE SG support */ case IP_VERSION(10, 3, 6): /* DCE SG support */ case IP_VERSION(10, 3, 7): /* DCE SG support */ adev->gmc.gart_size = 1024ULL << 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(0ULL, MTYPE_UC) | AMDGPU_PTE_EXECUTABLE; return amdgpu_gart_table_vram_alloc(adev); } static int gmc_v10_0_sw_init(void *handle) { int r, vram_width = 0, vram_type = 0, vram_vendor = 0; struct amdgpu_device *adev = (struct amdgpu_device *)handle; adev->gfxhub.funcs->init(adev); adev->mmhub.funcs->init(adev); spin_lock_init(&adev->gmc.invalidate_lock); if ((adev->flags & AMD_IS_APU) && amdgpu_emu_mode == 1) { adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4; adev->gmc.vram_width = 64; } else if (amdgpu_emu_mode == 1) { adev->gmc.vram_type = AMDGPU_VRAM_TYPE_GDDR6; adev->gmc.vram_width = 1 * 128; /* numchan * chansize */ } else { r = amdgpu_atomfirmware_get_vram_info(adev, &vram_width, &vram_type, &vram_vendor); adev->gmc.vram_width = vram_width; adev->gmc.vram_type = vram_type; adev->gmc.vram_vendor = vram_vendor; } switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { case IP_VERSION(10, 3, 0): adev->gmc.mall_size = 128 * 1024 * 1024; break; case IP_VERSION(10, 3, 2): adev->gmc.mall_size = 96 * 1024 * 1024; break; case IP_VERSION(10, 3, 4): adev->gmc.mall_size = 32 * 1024 * 1024; break; case IP_VERSION(10, 3, 5): adev->gmc.mall_size = 16 * 1024 * 1024; break; default: adev->gmc.mall_size = 0; break; } switch (amdgpu_ip_version(adev, GC_HWIP, 0)) { case IP_VERSION(10, 1, 10): case IP_VERSION(10, 1, 1): case IP_VERSION(10, 1, 2): case IP_VERSION(10, 1, 3): case IP_VERSION(10, 1, 4): case IP_VERSION(10, 3, 0): case IP_VERSION(10, 3, 2): case IP_VERSION(10, 3, 1): case IP_VERSION(10, 3, 4): case IP_VERSION(10, 3, 5): case IP_VERSION(10, 3, 6): case IP_VERSION(10, 3, 3): case IP_VERSION(10, 3, 7): set_bit(AMDGPU_GFXHUB(0), adev->vmhubs_mask); set_bit(AMDGPU_MMHUB0(0), adev->vmhubs_mask); /* * 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); if (r) return r; r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT, &adev->gmc.vm_fault); if (r) return r; if (!amdgpu_sriov_vf(adev)) { /* interrupt sent to DF. */ r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0, &adev->gmc.ecc_irq); if (r) return r; } /* * Set the internal MC address mask This is the max address of the GPU's * internal address space. */ adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44)); if (r) { dev_warn(adev->dev, "amdgpu: No suitable DMA available.\n"); return r; } adev->need_swiotlb = drm_need_swiotlb(44); r = gmc_v10_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_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.first_kfd_vmid = 8; amdgpu_vm_manager_init(adev); r = amdgpu_gmc_ras_sw_init(adev); if (r) return r; return 0; } /** * gmc_v10_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); } 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) { } /** * 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; 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); if (!adev->in_s0ix) { r = adev->gfxhub.funcs->gart_enable(adev); if (r) return r; } r = adev->mmhub.funcs->gart_enable(adev); if (r) return r; adev->hdp.funcs->init_registers(adev); /* Flush HDP after it is initialized */ adev->hdp.funcs->flush_hdp(adev, NULL); value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ? false : true; if (!adev->in_s0ix) adev->gfxhub.funcs->set_fault_enable_default(adev, value); adev->mmhub.funcs->set_fault_enable_default(adev, value); gmc_v10_0_flush_gpu_tlb(adev, 0, AMDGPU_MMHUB0(0), 0); if (!adev->in_s0ix) 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 int)(adev->gmc.gart_size >> 20), (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo)); return 0; } static int gmc_v10_0_hw_init(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; adev->gmc.flush_pasid_uses_kiq = !amdgpu_emu_mode; /* The sequence of these two function calls matters.*/ gmc_v10_0_init_golden_registers(adev); /* * harvestable groups in gc_utcl2 need to be programmed before any GFX block * register setup within GMC, or else system hang when harvesting SA. */ if (!adev->in_s0ix && adev->gfxhub.funcs && adev->gfxhub.funcs->utcl2_harvest) adev->gfxhub.funcs->utcl2_harvest(adev); r = gmc_v10_0_gart_enable(adev); if (r) return r; if (amdgpu_emu_mode == 1) { r = amdgpu_gmc_vram_checking(adev); if (r) return r; } if (adev->umc.funcs && adev->umc.funcs->init_registers) adev->umc.funcs->init_registers(adev); 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) { if (!adev->in_s0ix) adev->gfxhub.funcs->gart_disable(adev); adev->mmhub.funcs->gart_disable(adev); } static int gmc_v10_0_hw_fini(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; gmc_v10_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; } amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); if (adev->gmc.ecc_irq.funcs && amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__UMC)) amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0); 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; /* * The issue mmhub can't disconnect from DF with MMHUB clock gating being disabled * is a new problem observed at DF 3.0.3, however with the same suspend sequence not * seen any issue on the DF 3.0.2 series platform. */ if (adev->in_s0ix && amdgpu_ip_version(adev, DF_HWIP, 0) > IP_VERSION(3, 0, 2)) { dev_dbg(adev->dev, "keep mmhub clock gating being enabled for s0ix\n"); return 0; } r = adev->mmhub.funcs->set_clockgating(adev, state); if (r) return r; if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0)) return athub_v2_1_set_clockgating(adev, state); else return athub_v2_0_set_clockgating(adev, state); } static void gmc_v10_0_get_clockgating_state(void *handle, u64 *flags) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 3) || amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(10, 1, 4)) return; adev->mmhub.funcs->get_clockgating(adev, flags); if (amdgpu_ip_version(adev, ATHUB_HWIP, 0) >= IP_VERSION(2, 1, 0)) athub_v2_1_get_clockgating(adev, flags); else 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", .early_init = gmc_v10_0_early_init, .late_init = gmc_v10_0_late_init, .sw_init = gmc_v10_0_sw_init, .sw_fini = gmc_v10_0_sw_fini, .hw_init = gmc_v10_0_hw_init, .hw_fini = gmc_v10_0_hw_fini, .suspend = gmc_v10_0_suspend, .resume = gmc_v10_0_resume, .is_idle = gmc_v10_0_is_idle, .wait_for_idle = gmc_v10_0_wait_for_idle, .soft_reset = gmc_v10_0_soft_reset, .set_clockgating_state = gmc_v10_0_set_clockgating_state, .set_powergating_state = gmc_v10_0_set_powergating_state, .get_clockgating_state = gmc_v10_0_get_clockgating_state, }; const struct amdgpu_ip_block_version gmc_v10_0_ip_block = { .type = AMD_IP_BLOCK_TYPE_GMC, .major = 10, .minor = 0, .rev = 0, .funcs = &gmc_v10_0_ip_funcs, };