The root PD can also contain huge PDEs.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 25 +++++--------------------
1 file changed, 5 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 6844ba7467a6..23729fdd34fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -94,23 +94,17 @@ struct amdgpu_prt_cb {
static unsigned amdgpu_vm_level_shift(struct amdgpu_device *adev,
unsigned level)
{
- unsigned shift = 0xff;
-
switch (level) {
case AMDGPU_VM_PDB2:
case AMDGPU_VM_PDB1:
case AMDGPU_VM_PDB0:
- shift = 9 * (AMDGPU_VM_PDB0 - level) +
+ return 9 * (AMDGPU_VM_PDB0 - level) +
adev->vm_manager.block_size;
- break;
case AMDGPU_VM_PTB:
- shift = 0;
- break;
+ return 0;
default:
- dev_err(adev->dev, "the level%d isn't supported.\n", level);
+ return ~0;
}
-
- return shift;
}
/**
@@ -1432,13 +1426,6 @@ static int amdgpu_vm_update_ptes(struct
amdgpu_vm_update_params *params,
pt = cursor.entry->base.bo;
- /* The root level can't be a huge page */
- if (cursor.level == adev->vm_manager.root_level) {
- if (!amdgpu_vm_pt_descendant(adev, &cursor))
- return -ENOENT;
- continue;
- }
-
shift = amdgpu_vm_level_shift(adev, cursor.level);
parent_shift = amdgpu_vm_level_shift(adev, cursor.level - 1);
if (adev->asic_type < CHIP_VEGA10 &&
@@ -1457,11 +1444,9 @@ static int amdgpu_vm_update_ptes(struct
amdgpu_vm_update_params *params,
if (!amdgpu_vm_pt_descendant(adev, &cursor))
return -ENOENT;
continue;
- } else if (frag >= parent_shift &&
- cursor.level - 1 != adev->vm_manager.root_level) {
+ } else if (frag >= parent_shift) {
/* If the fragment size is even larger than the parent
- * shift we should go up one level and check it again
- * unless one level up is the root level.
+ * shift we should go up one level and check it again.
*/
if (!amdgpu_vm_pt_ancestor(&cursor))
return -ENOENT;
--
2.17.1
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