diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 74 |
1 files changed, 41 insertions, 33 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 01a58d3f8e17..d2e7b4fe5659 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -33,11 +33,6 @@ #include "amdgpu_amdkfd.h" #include "amdgpu_dma_buf.h" -/* Special VM and GART address alignment needed for VI pre-Fiji due to - * a HW bug. - */ -#define VI_BO_SIZE_ALIGN (0x8000) - /* BO flag to indicate a KFD userptr BO */ #define AMDGPU_AMDKFD_USERPTR_BO (1ULL << 63) @@ -349,13 +344,46 @@ static int vm_update_pds(struct amdgpu_vm *vm, struct amdgpu_sync *sync) struct amdgpu_device *adev = amdgpu_ttm_adev(pd->tbo.bdev); int ret; - ret = amdgpu_vm_update_directories(adev, vm); + ret = amdgpu_vm_update_pdes(adev, vm, false); if (ret) return ret; return amdgpu_sync_fence(NULL, sync, vm->last_update, false); } +static uint64_t get_pte_flags(struct amdgpu_device *adev, struct kgd_mem *mem) +{ + struct amdgpu_device *bo_adev = amdgpu_ttm_adev(mem->bo->tbo.bdev); + bool coherent = mem->alloc_flags & ALLOC_MEM_FLAGS_COHERENT; + uint32_t mapping_flags; + + mapping_flags = AMDGPU_VM_PAGE_READABLE; + if (mem->alloc_flags & ALLOC_MEM_FLAGS_WRITABLE) + mapping_flags |= AMDGPU_VM_PAGE_WRITEABLE; + if (mem->alloc_flags & ALLOC_MEM_FLAGS_EXECUTABLE) + mapping_flags |= AMDGPU_VM_PAGE_EXECUTABLE; + + switch (adev->asic_type) { + case CHIP_ARCTURUS: + if (mem->alloc_flags & ALLOC_MEM_FLAGS_VRAM) { + if (bo_adev == adev) + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_CC : AMDGPU_VM_MTYPE_RW; + else + mapping_flags |= AMDGPU_VM_MTYPE_UC; + } else { + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; + } + break; + default: + mapping_flags |= coherent ? + AMDGPU_VM_MTYPE_UC : AMDGPU_VM_MTYPE_NC; + } + + return amdgpu_gem_va_map_flags(adev, mapping_flags); +} + /* add_bo_to_vm - Add a BO to a VM * * Everything that needs to bo done only once when a BO is first added @@ -404,8 +432,7 @@ static int add_bo_to_vm(struct amdgpu_device *adev, struct kgd_mem *mem, } bo_va_entry->va = va; - bo_va_entry->pte_flags = amdgpu_gmc_get_pte_flags(adev, - mem->mapping_flags); + bo_va_entry->pte_flags = get_pte_flags(adev, mem); bo_va_entry->kgd_dev = (void *)adev; list_add(&bo_va_entry->bo_list, list_bo_va); @@ -1079,10 +1106,8 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( uint64_t user_addr = 0; struct amdgpu_bo *bo; struct amdgpu_bo_param bp; - int byte_align; u32 domain, alloc_domain; u64 alloc_flags; - uint32_t mapping_flags; int ret; /* @@ -1135,25 +1160,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( if ((*mem)->aql_queue) size = size >> 1; - /* Workaround for TLB bug on older VI chips */ - byte_align = (adev->family == AMDGPU_FAMILY_VI && - adev->asic_type != CHIP_FIJI && - adev->asic_type != CHIP_POLARIS10 && - adev->asic_type != CHIP_POLARIS11 && - adev->asic_type != CHIP_POLARIS12 && - adev->asic_type != CHIP_VEGAM) ? - VI_BO_SIZE_ALIGN : 1; - - mapping_flags = AMDGPU_VM_PAGE_READABLE; - if (flags & ALLOC_MEM_FLAGS_WRITABLE) - mapping_flags |= AMDGPU_VM_PAGE_WRITEABLE; - if (flags & ALLOC_MEM_FLAGS_EXECUTABLE) - mapping_flags |= AMDGPU_VM_PAGE_EXECUTABLE; - if (flags & ALLOC_MEM_FLAGS_COHERENT) - mapping_flags |= AMDGPU_VM_MTYPE_UC; - else - mapping_flags |= AMDGPU_VM_MTYPE_NC; - (*mem)->mapping_flags = mapping_flags; + (*mem)->alloc_flags = flags; amdgpu_sync_create(&(*mem)->sync); @@ -1168,7 +1175,7 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu( memset(&bp, 0, sizeof(bp)); bp.size = size; - bp.byte_align = byte_align; + bp.byte_align = 1; bp.domain = alloc_domain; bp.flags = alloc_flags; bp.type = bo_type; @@ -1626,9 +1633,10 @@ int amdgpu_amdkfd_gpuvm_import_dmabuf(struct kgd_dev *kgd, INIT_LIST_HEAD(&(*mem)->bo_va_list); mutex_init(&(*mem)->lock); - (*mem)->mapping_flags = - AMDGPU_VM_PAGE_READABLE | AMDGPU_VM_PAGE_WRITEABLE | - AMDGPU_VM_PAGE_EXECUTABLE | AMDGPU_VM_MTYPE_NC; + (*mem)->alloc_flags = + ((bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ? + ALLOC_MEM_FLAGS_VRAM : ALLOC_MEM_FLAGS_GTT) | + ALLOC_MEM_FLAGS_WRITABLE | ALLOC_MEM_FLAGS_EXECUTABLE; (*mem)->bo = amdgpu_bo_ref(bo); (*mem)->va = va; |