1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index 381c698e8a3e..0a1e4a5f4234 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -2701,7 +2701,7 @@ static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
         if (structure & (1 << 8)) {
                 newmode = drm_mode_duplicate(dev, &edid_cea_modes[cea_mode]);
                 if (newmode) {
-                        newmode->flags = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
+                        newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
                         drm_mode_probed_add(connector, newmode);
                         modes++;
                 }