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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.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 44430c4820cc..7de519b86b78 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2600,18 +2600,21 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t vm_size,
adev->vm_manager.max_pfn = (uint64_t)vm_size << 18;
tmp = roundup_pow_of_two(adev->vm_manager.max_pfn);
+ if (amdgpu_vm_block_size != -1)
+ tmp >>= amdgpu_vm_block_size - 9;
tmp = DIV_ROUND_UP(fls64(tmp) - 1, 9) - 1;
adev->vm_manager.num_level = min(max_level, (unsigned)tmp);
/* block size depends on vm size and hw setup*/
- if (adev->vm_manager.num_level > 1)
- /* Use fixed block_size for multi level page tables */
- adev->vm_manager.block_size = 9;
- else if (amdgpu_vm_block_size == -1)
+ if (amdgpu_vm_block_size != -1)
adev->vm_manager.block_size =
- amdgpu_vm_get_block_size(vm_size);
+ min((unsigned)amdgpu_vm_block_size, max_bits
+ - AMDGPU_GPU_PAGE_SHIFT
+ - 9 * adev->vm_manager.num_level);
+ else if (adev->vm_manager.num_level > 1)
+ adev->vm_manager.block_size = 9;
else
- adev->vm_manager.block_size = amdgpu_vm_block_size;
+ adev->vm_manager.block_size = amdgpu_vm_get_block_size(tmp);
if (amdgpu_vm_fragment_size == -1)
adev->vm_manager.fragment_size = fragment_size_default;