drm/amdgpu: The VI specific EXE bit should only apply to GMC v8.0 above

commit 8f3c1629 upstream.
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Ken Wang <Qingqing.Wang@amd.com>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -803,7 +803,7 @@ uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
 	if (!ttm || ttm->caching_state == tt_cached)
 		flags |= AMDGPU_PTE_SNOOPED;
 
-	if (adev->asic_type >= CHIP_TOPAZ)
+	if (adev->asic_type >= CHIP_TONGA)
 		flags |= AMDGPU_PTE_EXECUTABLE;
 
 	flags |= AMDGPU_PTE_READABLE;