From: Christian König <christian.koenig@xxxxxxx> [ Upstream commit bfcd6c69e4c3f73f2f92b997983537f9a3ac3b29 ] 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@xxxxxxx> Tested-by: Tom St Denis <tom.stdenis@xxxxxxx> Reviewed-by: Felix Kuehling <Felix.Kuehling@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index d16231d6a790b..67e7422032265 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1498,7 +1498,7 @@ 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); -- 2.20.1
