diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | 110 |
1 files changed, 21 insertions, 89 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index f07647a9a9d9..f794fb1cc06e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -26,6 +26,7 @@ #include "amdgpu.h" #include "amdgpu_trace.h" #include "amdgpu_vm.h" +#include "amdgpu_job.h" /* * amdgpu_vm_pt_cursor - state for for_each_amdgpu_vm_pt @@ -383,14 +384,6 @@ int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm, if (r) return r; - if (vmbo->shadow) { - struct amdgpu_bo *shadow = vmbo->shadow; - - r = ttm_bo_validate(&shadow->tbo, &shadow->placement, &ctx); - if (r) - return r; - } - if (!drm_dev_enter(adev_to_drm(adev), &idx)) return -ENODEV; @@ -403,7 +396,8 @@ int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm, params.vm = vm; params.immediate = immediate; - r = vm->update_funcs->prepare(¶ms, NULL, AMDGPU_SYNC_EXPLICIT); + r = vm->update_funcs->prepare(¶ms, NULL, + AMDGPU_KERNEL_JOB_ID_VM_PT_CLEAR); if (r) goto exit; @@ -413,7 +407,7 @@ int amdgpu_vm_pt_clear(struct amdgpu_device *adev, struct amdgpu_vm *vm, if (adev->asic_type >= CHIP_VEGA10) { if (level != AMDGPU_VM_PTB) { /* Handle leaf PDEs as PTEs */ - flags |= AMDGPU_PDE_PTE; + flags |= AMDGPU_PDE_PTE_FLAG(adev); amdgpu_gmc_get_vm_pde(adev, level, &value, &flags); } else { @@ -448,10 +442,7 @@ int amdgpu_vm_pt_create(struct amdgpu_device *adev, struct amdgpu_vm *vm, int32_t xcp_id) { struct amdgpu_bo_param bp; - struct amdgpu_bo *bo; - struct dma_resv *resv; unsigned int num_entries; - int r; memset(&bp, 0, sizeof(bp)); @@ -484,42 +475,7 @@ int amdgpu_vm_pt_create(struct amdgpu_device *adev, struct amdgpu_vm *vm, if (vm->root.bo) bp.resv = vm->root.bo->tbo.base.resv; - r = amdgpu_bo_create_vm(adev, &bp, vmbo); - if (r) - return r; - - bo = &(*vmbo)->bo; - if (vm->is_compute_context || (adev->flags & AMD_IS_APU)) { - (*vmbo)->shadow = NULL; - return 0; - } - - if (!bp.resv) - WARN_ON(dma_resv_lock(bo->tbo.base.resv, - NULL)); - resv = bp.resv; - memset(&bp, 0, sizeof(bp)); - bp.size = amdgpu_vm_pt_size(adev, level); - bp.domain = AMDGPU_GEM_DOMAIN_GTT; - bp.flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC; - bp.type = ttm_bo_type_kernel; - bp.resv = bo->tbo.base.resv; - bp.bo_ptr_size = sizeof(struct amdgpu_bo); - bp.xcp_id_plus1 = xcp_id + 1; - - r = amdgpu_bo_create(adev, &bp, &(*vmbo)->shadow); - - if (!resv) - dma_resv_unlock(bo->tbo.base.resv); - - if (r) { - amdgpu_bo_unref(&bo); - return r; - } - - amdgpu_bo_add_to_shadow_list(*vmbo); - - return 0; + return amdgpu_bo_create_vm(adev, &bp, vmbo); } /** @@ -569,7 +525,6 @@ static int amdgpu_vm_pt_alloc(struct amdgpu_device *adev, return 0; error_free_pt: - amdgpu_bo_unref(&pt->shadow); amdgpu_bo_unref(&pt_bo); return r; } @@ -581,17 +536,11 @@ error_free_pt: */ static void amdgpu_vm_pt_free(struct amdgpu_vm_bo_base *entry) { - struct amdgpu_bo *shadow; - if (!entry->bo) return; + amdgpu_vm_update_stats(entry, entry->bo->tbo.resource, -1); entry->bo->vm_bo = NULL; - shadow = amdgpu_bo_shadowed(entry->bo); - if (shadow) { - ttm_bo_set_bulk_move(&shadow->tbo, NULL); - amdgpu_bo_unref(&shadow); - } ttm_bo_set_bulk_move(&entry->bo->tbo, NULL); spin_lock(&entry->vm->status_lock); @@ -600,27 +549,6 @@ static void amdgpu_vm_pt_free(struct amdgpu_vm_bo_base *entry) amdgpu_bo_unref(&entry->bo); } -void amdgpu_vm_pt_free_work(struct work_struct *work) -{ - struct amdgpu_vm_bo_base *entry, *next; - struct amdgpu_vm *vm; - LIST_HEAD(pt_freed); - - vm = container_of(work, struct amdgpu_vm, pt_free_work); - - spin_lock(&vm->status_lock); - list_splice_init(&vm->pt_freed, &pt_freed); - spin_unlock(&vm->status_lock); - - /* flush_work in amdgpu_vm_fini ensure vm->root.bo is valid. */ - amdgpu_bo_reserve(vm->root.bo, true); - - list_for_each_entry_safe(entry, next, &pt_freed, vm_status) - amdgpu_vm_pt_free(entry); - - amdgpu_bo_unreserve(vm->root.bo); -} - /** * amdgpu_vm_pt_free_list - free PD/PT levels * @@ -633,19 +561,15 @@ void amdgpu_vm_pt_free_list(struct amdgpu_device *adev, struct amdgpu_vm_update_params *params) { struct amdgpu_vm_bo_base *entry, *next; - struct amdgpu_vm *vm = params->vm; bool unlocked = params->unlocked; if (list_empty(¶ms->tlb_flush_waitlist)) return; - if (unlocked) { - spin_lock(&vm->status_lock); - list_splice_init(¶ms->tlb_flush_waitlist, &vm->pt_freed); - spin_unlock(&vm->status_lock); - schedule_work(&vm->pt_free_work); - return; - } + /* + * unlocked unmap clear page table leaves, warning to free the page entry. + */ + WARN_ON(unlocked); list_for_each_entry_safe(entry, next, ¶ms->tlb_flush_waitlist, vm_status) amdgpu_vm_pt_free(entry); @@ -761,12 +685,12 @@ static void amdgpu_vm_pte_update_flags(struct amdgpu_vm_update_params *params, struct amdgpu_device *adev = params->adev; if (level != AMDGPU_VM_PTB) { - flags |= AMDGPU_PDE_PTE; + flags |= AMDGPU_PDE_PTE_FLAG(params->adev); amdgpu_gmc_get_vm_pde(adev, level, &addr, &flags); } else if (adev->asic_type >= CHIP_VEGA10 && !(flags & AMDGPU_PTE_VALID) && - !(flags & AMDGPU_PTE_PRT)) { + !(flags & AMDGPU_PTE_PRT_FLAG(params->adev))) { /* Workaround for fault priority problem on GMC9 */ flags |= AMDGPU_PTE_EXECUTABLE; @@ -953,7 +877,15 @@ int amdgpu_vm_ptes_update(struct amdgpu_vm_update_params *params, incr = (uint64_t)AMDGPU_GPU_PAGE_SIZE << shift; mask = amdgpu_vm_pt_entries_mask(adev, cursor.level); pe_start = ((cursor.pfn >> shift) & mask) * 8; - entry_end = ((uint64_t)mask + 1) << shift; + + if (cursor.level < AMDGPU_VM_PTB && params->unlocked) + /* + * MMU notifier callback unlocked unmap huge page, leave is PDE entry, + * only clear one entry. Next entry search again for PDE or PTE leave. + */ + entry_end = 1ULL << shift; + else + entry_end = ((uint64_t)mask + 1) << shift; entry_end += cursor.pfn & ~(entry_end - 1); entry_end = min(entry_end, end); |
