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>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index b40c017..60da830 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -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);