diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 918 |
1 files changed, 918 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c new file mode 100644 index 000000000000..5eeb72fcc123 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c @@ -0,0 +1,918 @@ +/* + * 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 <linux/firmware.h> +#include <linux/pci.h> +#include "amdgpu.h" +#include "amdgpu_atomfirmware.h" +#include "gmc_v10_0.h" + +#include "hdp/hdp_5_0_0_offset.h" +#include "hdp/hdp_5_0_0_sh_mask.h" +#include "gc/gc_10_1_0_sh_mask.h" +#include "mmhub/mmhub_2_0_0_sh_mask.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 "soc15_common.h" + +#include "nbio_v2_3.h" + +#include "gfxhub_v2_0.h" +#include "mmhub_v2_0.h" +#include "athub_v2_0.h" +/* XXX Move this macro to navi10 header file, which is like vid.h for VI.*/ +#define AMDGPU_NUM_OF_VMIDS 8 + +#if 0 +static const struct soc15_reg_golden golden_settings_navi10_hdp[] = +{ + /* TODO add golden setting for hdp */ +}; +#endif + +static int +gmc_v10_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[AMDGPU_MAX_VMHUBS], i; + + bits[AMDGPU_GFXHUB] = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK; + + bits[AMDGPU_MMHUB] = MMVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + MMVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + MMVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + MMVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + MMVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + MMVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK | + MMVM_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[AMDGPU_MMHUB]; + 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[AMDGPU_GFXHUB]; + 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[AMDGPU_MMHUB]; + 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[AMDGPU_GFXHUB]; + WREG32(reg, tmp); + } + 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) +{ + struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_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 vmid:%u pasid:%u)\n", + entry->vmid_src ? "mmhub" : "gfxhub", + entry->src_id, entry->ring_id, entry->vmid, + entry->pasid); + 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_v10_0_irq_funcs = { + .set = gmc_v10_0_vm_fault_interrupt_state, + .process = gmc_v10_0_process_interrupt, +}; + +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; +} + +static uint32_t gmc_v10_0_get_invalidate_req(unsigned int vmid, + uint32_t flush_type) +{ + u32 req = 0; + + /* invalidate using legacy mode on vmid*/ + req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, + PER_VMID_INVALIDATE_REQ, 1 << vmid); + req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type); + req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1); + req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1); + req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1); + req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1); + req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1); + req = REG_SET_FIELD(req, GCVM_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. + */ + +static void gmc_v10_0_flush_vm_hub(struct amdgpu_device *adev, uint32_t vmid, + unsigned int vmhub, uint32_t flush_type) +{ + struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; + u32 tmp = gmc_v10_0_get_invalidate_req(vmid, flush_type); + /* Use register 17 for GART */ + const unsigned eng = 17; + unsigned int i; + + WREG32_NO_KIQ(hub->vm_inv_eng0_req + eng, tmp); + + /* Wait for ACK with a delay.*/ + for (i = 0; i < adev->usec_timeout; i++) { + tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack + eng); + tmp &= 1 << vmid; + if (tmp) + break; + + udelay(1); + } + + if (i < adev->usec_timeout) + return; + + DRM_ERROR("Timeout waiting for VM flush ACK!\n"); +} + +/** + * gmc_v10_0_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_v10_0_flush_gpu_tlb(struct amdgpu_device *adev, + uint32_t vmid, uint32_t flush_type) +{ + struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring; + struct dma_fence *fence; + struct amdgpu_job *job; + + int r; + + /* flush hdp cache */ + adev->nbio_funcs->hdp_flush(adev, NULL); + + mutex_lock(&adev->mman.gtt_window_lock); + + gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_MMHUB, 0); + if (!adev->mman.buffer_funcs_enabled || + !adev->ib_pool_ready || + adev->in_gpu_reset) { + gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB, 0); + mutex_unlock(&adev->mman.gtt_window_lock); + return; + } + + /* The SDMA on Navi has a bug which can theoretically result in memory + * corruption if an invalidation happens at the same time as an VA + * translation. Avoid this by doing the invalidation from the SDMA + * itself. + */ + r = amdgpu_job_alloc_with_ib(adev, 16 * 4, &job); + if (r) + goto error_alloc; + + job->vm_pd_addr = amdgpu_gmc_pd_addr(adev->gart.bo); + job->vm_needs_flush = true; + amdgpu_ring_pad_ib(ring, &job->ibs[0]); + r = amdgpu_job_submit(job, &adev->mman.entity, + AMDGPU_FENCE_OWNER_UNDEFINED, &fence); + if (r) + goto error_submit; + + mutex_unlock(&adev->mman.gtt_window_lock); + + dma_fence_wait(fence, false); + dma_fence_put(fence); + + return; + +error_submit: + amdgpu_job_free(job); + +error_alloc: + mutex_unlock(&adev->mman.gtt_window_lock); + DRM_ERROR("Error flushing GPU TLB using the SDMA (%d)!\n", r); +} + +static uint64_t gmc_v10_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring, + unsigned vmid, uint64_t pd_addr) +{ + struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; + uint32_t req = gmc_v10_0_get_invalidate_req(vmid, 0); + unsigned eng = ring->vm_inv_eng; + + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 + (2 * vmid), + lower_32_bits(pd_addr)); + + amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 + (2 * vmid), + upper_32_bits(pd_addr)); + + amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_req + eng, req); + + /* wait for the invalidate to complete */ + amdgpu_ring_emit_reg_wait(ring, hub->vm_inv_eng0_ack + eng, + 1 << vmid, 1 << vmid); + + return pd_addr; +} + +static void gmc_v10_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid, + unsigned pasid) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t reg; + + if (ring->funcs->vmhub == AMDGPU_GFXHUB) + 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 + * 58:57 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_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_NV10(MTYPE_NC); + break; + case AMDGPU_VM_MTYPE_NC: + pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); + break; + case AMDGPU_VM_MTYPE_WC: + pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_WC); + break; + case AMDGPU_VM_MTYPE_CC: + pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_CC); + break; + case AMDGPU_VM_MTYPE_UC: + pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_UC); + break; + default: + pte_flag |= AMDGPU_PTE_MTYPE_NV10(MTYPE_NC); + break; + } + + if (flags & AMDGPU_VM_PAGE_PRT) + pte_flag |= AMDGPU_PTE_PRT; + + return pte_flag; +} + +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 = adev->vm_manager.vram_base_offset + *addr - + adev->gmc.vram_start; + BUG_ON(*addr & 0xFFFF00000000003FULL); + + if (!adev->gmc.translate_further) + return; + + if (level == AMDGPU_VM_PDB1) { + /* Set the block fragment size */ + if (!(*flags & AMDGPU_PDE_PTE)) + *flags |= AMDGPU_PDE_BFS(0x9); + + } else if (level == AMDGPU_VM_PDB0) { + if (*flags & AMDGPU_PDE_PTE) + *flags &= ~AMDGPU_PDE_PTE; + else + *flags |= AMDGPU_PTE_TF; + } +} + +static const struct amdgpu_gmc_funcs gmc_v10_0_gmc_funcs = { + .flush_gpu_tlb = gmc_v10_0_flush_gpu_tlb, + .emit_flush_gpu_tlb = gmc_v10_0_emit_flush_gpu_tlb, + .emit_pasid_mapping = gmc_v10_0_emit_pasid_mapping, + .get_vm_pte_flags = gmc_v10_0_get_vm_pte_flags, + .get_vm_pde = gmc_v10_0_get_vm_pde +}; + +static void gmc_v10_0_set_gmc_funcs(struct amdgpu_device *adev) +{ + if (adev->gmc.gmc_funcs == NULL) + adev->gmc.gmc_funcs = &gmc_v10_0_gmc_funcs; +} + +static int gmc_v10_0_early_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + gmc_v10_0_set_gmc_funcs(adev); + gmc_v10_0_set_irq_funcs(adev); + + adev->gmc.shared_aperture_start = 0x2000000000000000ULL; + adev->gmc.shared_aperture_end = + adev->gmc.shared_aperture_start + (4ULL << 30) - 1; + adev->gmc.private_aperture_start = 0x1000000000000000ULL; + adev->gmc.private_aperture_end = + adev->gmc.private_aperture_start + (4ULL << 30) - 1; + + return 0; +} + +static int gmc_v10_0_late_init(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + unsigned vm_inv_eng[AMDGPU_MAX_VMHUBS] = { 4, 4 }; + unsigned i; + + for(i = 0; i < adev->num_rings; ++i) { + struct amdgpu_ring *ring = adev->rings[i]; + unsigned vmhub = ring->funcs->vmhub; + + ring->vm_inv_eng = vm_inv_eng[vmhub]++; + dev_info(adev->dev, "ring %u(%s) uses VM inv eng %u on hub %u\n", + ring->idx, ring->name, ring->vm_inv_eng, + ring->funcs->vmhub); + } + + /* Engine 17 is used for GART flushes */ + for(i = 0; i < AMDGPU_MAX_VMHUBS; ++i) + BUG_ON(vm_inv_eng[i] > 17); + + return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0); +} + +static void gmc_v10_0_vram_gtt_location(struct amdgpu_device *adev, + struct amdgpu_gmc *mc) +{ + u64 base = 0; + + if (!amdgpu_sriov_vf(adev)) + base = gfxhub_v2_0_get_fb_location(adev); + + amdgpu_gmc_vram_location(adev, &adev->gmc, base); + amdgpu_gmc_gart_location(adev, mc); + + /* base offset of vram pages */ + adev->vm_manager.vram_base_offset = gfxhub_v2_0_get_mc_fb_offset(adev); +} + +/** + * gmc_v10_0_mc_init - initialize the memory controller driver params + * + * @adev: amdgpu_device pointer + * + * Look up the amount of vram, vram width, and decide how to place + * vram and gart within the GPU's physical address space. + * Returns 0 for success. + */ +static int gmc_v10_0_mc_init(struct amdgpu_device *adev) +{ + int chansize, numchan; + + if (!amdgpu_emu_mode) + adev->gmc.vram_width = amdgpu_atomfirmware_get_vram_width(adev); + else { + /* hard code vram_width for emulation */ + chansize = 128; + numchan = 1; + adev->gmc.vram_width = numchan * chansize; + } + + /* Could aper size report 0 ? */ + adev->gmc.aper_base = pci_resource_start(adev->pdev, 0); + adev->gmc.aper_size = pci_resource_len(adev->pdev, 0); + + /* size in MB on si */ + adev->gmc.mc_vram_size = + adev->nbio_funcs->get_memsize(adev) * 1024ULL * 1024ULL; + adev->gmc.real_vram_size = adev->gmc.mc_vram_size; + adev->gmc.visible_vram_size = adev->gmc.aper_size; + + /* In case the PCI BAR is larger than the actual amount of vram */ + if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) + adev->gmc.visible_vram_size = adev->gmc.real_vram_size; + + /* set the gart size */ + if (amdgpu_gart_size == -1) { + switch (adev->asic_type) { + case CHIP_NAVI10: + default: + adev->gmc.gart_size = 512ULL << 20; + break; + } + } else + adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; + + gmc_v10_0_vram_gtt_location(adev, &adev->gmc); + + return 0; +} + +static int gmc_v10_0_gart_init(struct amdgpu_device *adev) +{ + int r; + + if (adev->gart.bo) { + WARN(1, "NAVI10 PCIE GART already initialized\n"); + return 0; + } + + /* Initialize common gart structure */ + r = amdgpu_gart_init(adev); + if (r) + return r; + + adev->gart.table_size = adev->gart.num_gpu_pages * 8; + adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_NV10(MTYPE_UC) | + AMDGPU_PTE_EXECUTABLE; + + return amdgpu_gart_table_vram_alloc(adev); +} + +static unsigned gmc_v10_0_get_vbios_fb_size(struct amdgpu_device *adev) +{ + u32 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL); + unsigned size; + + if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) { + size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */ + } else { + u32 viewport; + u32 pitch; + + viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION); + pitch = RREG32_SOC15(DCE, 0, mmHUBPREQ0_DCSURF_SURFACE_PITCH); + size = (REG_GET_FIELD(viewport, + HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) * + REG_GET_FIELD(pitch, HUBPREQ0_DCSURF_SURFACE_PITCH, PITCH) * + 4); + } + /* return 0 if the pre-OS buffer uses up most of vram */ + if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024)) { + DRM_ERROR("Warning: pre-OS buffer uses most of vram, \ + be aware of gart table overwrite\n"); + return 0; + } + + return size; +} + + + +static int gmc_v10_0_sw_init(void *handle) +{ + int r; + int dma_bits; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + gfxhub_v2_0_init(adev); + mmhub_v2_0_init(adev); + + spin_lock_init(&adev->gmc.invalidate_lock); + + adev->gmc.vram_type = amdgpu_atomfirmware_get_vram_type(adev); + switch (adev->asic_type) { + case CHIP_NAVI10: + /* + * To fulfill 4-level page support, + * vm size is 256TB (48bit), maximum size of Navi10, + * block size 512 (9bit) + */ + amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48); + break; + default: + break; + } + + /* This interrupt is VMC page fault.*/ + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, + VMC_1_0__SRCID__VM_FAULT, + &adev->gmc.vm_fault); + r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, + UTCL2_1_0__SRCID__FAULT, + &adev->gmc.vm_fault); + if (r) + return r; + + /* + * Set the internal MC address mask This is the max address of the GPU's + * internal address space. + */ + adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */ + + /* + * Reserve 8M stolen memory for navi10 like vega10 + * TODO: will check if it's really needed on asic. + */ + if (amdgpu_emu_mode == 1) + adev->gmc.stolen_size = 0; + else + adev->gmc.stolen_size = 9 * 1024 *1024; + + /* + * 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 navi10 + */ + 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_v10_0_mc_init(adev); + if (r) + return r; + + adev->gmc.stolen_size = gmc_v10_0_get_vbios_fb_size(adev); + + /* Memory manager */ + r = amdgpu_bo_init(adev); + if (r) + return r; + + r = gmc_v10_0_gart_init(adev); + if (r) + return r; + + /* + * number of VMs + * VMID 0 is reserved for System + * amdgpu graphics/compute will use VMIDs 1-7 + * amdkfd will use VMIDs 8-15 + */ + adev->vm_manager.id_mgr[AMDGPU_GFXHUB].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_v10_0_gart_fini(struct amdgpu_device *adev) +{ + amdgpu_gart_table_vram_free(adev); + amdgpu_gart_fini(adev); +} + +static int gmc_v10_0_sw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + amdgpu_vm_manager_fini(adev); + gmc_v10_0_gart_fini(adev); + amdgpu_gem_force_release(adev); + amdgpu_bo_fini(adev); + + return 0; +} + +static void gmc_v10_0_init_golden_registers(struct amdgpu_device *adev) +{ + switch (adev->asic_type) { + case CHIP_NAVI10: + break; + default: + break; + } +} + +/** + * gmc_v10_0_gart_enable - gart enable + * + * @adev: amdgpu_device pointer + */ +static int gmc_v10_0_gart_enable(struct amdgpu_device *adev) +{ + int r; + bool value; + u32 tmp; + + if (adev->gart.bo == NULL) { + dev_err(adev->dev, "No VRAM object for PCIE GART.\n"); + return -EINVAL; + } + + r = amdgpu_gart_table_vram_pin(adev); + if (r) + return r; + + r = gfxhub_v2_0_gart_enable(adev); + if (r) + return r; + + r = mmhub_v2_0_gart_enable(adev); + if (r) + return r; + + tmp = RREG32_SOC15(HDP, 0, mmHDP_MISC_CNTL); + tmp |= HDP_MISC_CNTL__FLUSH_INVALIDATE_CACHE_MASK; + WREG32_SOC15(HDP, 0, mmHDP_MISC_CNTL, tmp); + + tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL); + WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp); + + /* Flush HDP after it is initialized */ + adev->nbio_funcs->hdp_flush(adev, NULL); + + value = (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS) ? + false : true; + + gfxhub_v2_0_set_fault_enable_default(adev, value); + mmhub_v2_0_set_fault_enable_default(adev, value); + gmc_v10_0_flush_gpu_tlb(adev, 0, 0); + + DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n", + (unsigned)(adev->gmc.gart_size >> 20), + (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo)); + + adev->gart.ready = true; + + return 0; +} + +static int gmc_v10_0_hw_init(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + /* The sequence of these two function calls matters.*/ + gmc_v10_0_init_golden_registers(adev); + + r = gmc_v10_0_gart_enable(adev); + if (r) + return r; + + return 0; +} + +/** + * gmc_v10_0_gart_disable - gart disable + * + * @adev: amdgpu_device pointer + * + * This disables all VM page table. + */ +static void gmc_v10_0_gart_disable(struct amdgpu_device *adev) +{ + gfxhub_v2_0_gart_disable(adev); + mmhub_v2_0_gart_disable(adev); + amdgpu_gart_table_vram_unpin(adev); +} + +static int gmc_v10_0_hw_fini(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (amdgpu_sriov_vf(adev)) { + /* full access mode, so don't touch any GMC register */ + DRM_DEBUG("For SRIOV client, shouldn't do anything.\n"); + return 0; + } + + amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0); + gmc_v10_0_gart_disable(adev); + + return 0; +} + +static int gmc_v10_0_suspend(void *handle) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + gmc_v10_0_hw_fini(adev); + + return 0; +} + +static int gmc_v10_0_resume(void *handle) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + r = gmc_v10_0_hw_init(adev); + if (r) + return r; + + amdgpu_vmid_reset_all(adev); + + return 0; +} + +static bool gmc_v10_0_is_idle(void *handle) +{ + /* MC is always ready in GMC v10.*/ + return true; +} + +static int gmc_v10_0_wait_for_idle(void *handle) +{ + /* There is no need to wait for MC idle in GMC v10.*/ + return 0; +} + +static int gmc_v10_0_soft_reset(void *handle) +{ + return 0; +} + +static int gmc_v10_0_set_clockgating_state(void *handle, + enum amd_clockgating_state state) +{ + int r; + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + r = mmhub_v2_0_set_clockgating(adev, state); + if (r) + return r; + + return athub_v2_0_set_clockgating(adev, state); +} + +static void gmc_v10_0_get_clockgating_state(void *handle, u32 *flags) +{ + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + mmhub_v2_0_get_clockgating(adev, flags); + + athub_v2_0_get_clockgating(adev, flags); +} + +static int gmc_v10_0_set_powergating_state(void *handle, + enum amd_powergating_state state) +{ + return 0; +} + +const struct amd_ip_funcs gmc_v10_0_ip_funcs = { + .name = "gmc_v10_0", + .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, +}; |