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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index cd1752b6afa9..5afbc5e714d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -970,12 +970,16 @@ static void amdgpu_vm_handle_huge_pages(struct amdgpu_pte_update_params *p,
amdgpu_gart_get_vm_pde(p->adev, AMDGPU_VM_PDB0,
&dst, &flags);
- if (parent->base.bo->shadow) {
- pd_addr = amdgpu_bo_gpu_offset(parent->base.bo->shadow);
- pde = pd_addr + (entry - parent->entries) * 8;
- p->func(p, pde, dst, 1, 0, flags);
+ if (p->func == amdgpu_vm_cpu_set_ptes) {
+ pd_addr = (unsigned long)amdgpu_bo_kptr(parent->base.bo);
+ } else {
+ if (parent->base.bo->shadow) {
+ pd_addr = amdgpu_bo_gpu_offset(parent->base.bo->shadow);
+ pde = pd_addr + (entry - parent->entries) * 8;
+ p->func(p, pde, dst, 1, 0, flags);
+ }
+ pd_addr = amdgpu_bo_gpu_offset(parent->base.bo);
}
- pd_addr = amdgpu_bo_gpu_offset(parent->base.bo);
pde = pd_addr + (entry - parent->entries) * 8;
p->func(p, pde, dst, 1, 0, flags);
}
@@ -2258,12 +2262,12 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
{
const unsigned align = min(AMDGPU_VM_PTB_ALIGN_SIZE,
AMDGPU_VM_PTE_COUNT(adev) * 8);
+ uint64_t init_pde_value = 0, flags;
unsigned ring_instance;
struct amdgpu_ring *ring;
struct drm_sched_rq *rq;
+ unsigned long size;
int r, i;
- u64 flags;
- uint64_t init_pde_value = 0;
vm->va = RB_ROOT_CACHED;
for (i = 0; i < AMDGPU_MAX_VMHUBS; i++)
@@ -2314,29 +2318,21 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
flags |= (AMDGPU_GEM_CREATE_NO_CPU_ACCESS |
AMDGPU_GEM_CREATE_SHADOW);
- r = amdgpu_bo_create(adev,
- amdgpu_vm_bo_size(adev, adev->vm_manager.root_level),
- align, true,
- AMDGPU_GEM_DOMAIN_VRAM,
- flags,
- NULL, NULL, init_pde_value, &vm->root.base.bo);
+ size = amdgpu_vm_bo_size(adev, adev->vm_manager.root_level);
+ r = amdgpu_bo_create(adev, size, align, true, AMDGPU_GEM_DOMAIN_VRAM,
+ flags, NULL, NULL, init_pde_value,
+ &vm->root.base.bo);
if (r)
goto error_free_sched_entity;
+ r = amdgpu_bo_reserve(vm->root.base.bo, true);
+ if (r)
+ goto error_free_root;
+
vm->root.base.vm = vm;
list_add_tail(&vm->root.base.bo_list, &vm->root.base.bo->va);
- INIT_LIST_HEAD(&vm->root.base.vm_status);
-
- if (vm->use_cpu_for_update) {
- r = amdgpu_bo_reserve(vm->root.base.bo, false);
- if (r)
- goto error_free_root;
-
- r = amdgpu_bo_kmap(vm->root.base.bo, NULL);
- amdgpu_bo_unreserve(vm->root.base.bo);
- if (r)
- goto error_free_root;
- }
+ list_add_tail(&vm->root.base.vm_status, &vm->evicted);
+ amdgpu_bo_unreserve(vm->root.base.bo);
if (pasid) {
unsigned long flags;
@@ -2478,17 +2474,21 @@ bool amdgpu_vm_pasid_fault_credit(struct amdgpu_device *adev,
spin_lock(&adev->vm_manager.pasid_lock);
vm = idr_find(&adev->vm_manager.pasid_idr, pasid);
- spin_unlock(&adev->vm_manager.pasid_lock);
- if (!vm)
+ if (!vm) {
/* VM not found, can't track fault credit */
+ spin_unlock(&adev->vm_manager.pasid_lock);
return true;
+ }
/* No lock needed. only accessed by IRQ handler */
- if (!vm->fault_credit)
+ if (!vm->fault_credit) {
/* Too many faults in this VM */
+ spin_unlock(&adev->vm_manager.pasid_lock);
return false;
+ }
vm->fault_credit--;
+ spin_unlock(&adev->vm_manager.pasid_lock);
return true;
}
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