[PATCH 1/2] drm/amdgpu: mask out invalid PTE address bit

[Philip Yang]

Before adding the PTE flags, explicitly mask out invalid address bits.

Signed-off-by: Philip Yang <Philip.Yang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index a1ddf74bbdba..b40c15c9fc81 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -1445,6 +1445,8 @@ static void amdgpu_vm_update_flags(struct amdgpu_vm_update_params *params,
 				   uint64_t flags)
 
 {
+	addr &= 0x0000FFFFFFFFF000UL;
+
 	if (level != AMDGPU_VM_PTB) {
 		flags |= AMDGPU_PDE_PTE;
 		amdgpu_gmc_get_vm_pde(params->adev, level, &addr, &flags);
-- 
2.17.1