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drm/amdgpu: fix parentheses in amdgpu_vm_update_ptes 

For the root PD mask can be 0xffffffff as well which would
overrun to 0 if we don't cast it before we add one.

Signed-off-by: Christian König <christian.koenig@amd.com>
Tested-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2020-01-30 13:09:07 +01:00 committed by Alex Deucher
parent 46cf5f7626
commit bfcd6c69e4
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -1487,7 +1487,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_vm_update_params *params,
incr = (uint64_t)AMDGPU_GPU_PAGE_SIZE << shift;
mask = amdgpu_vm_entries_mask(adev, cursor.level);
pe_start = ((cursor.pfn >> shift) & mask) * 8;
entry_end = (uint64_t)(mask + 1) << shift;
entry_end = ((uint64_t)mask + 1) << shift;
entry_end += cursor.pfn & ~(entry_end - 1);
entry_end = min(entry_end, end);