From: Thomas Wood <thomas.wood@intel.com>
Date: Thu, 28 Nov 2013 15:35:04 +0000 (+0000)
Subject: drm: fix the addition of the side-by-side (half) flag for extra 3D modes
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=89570eeb1720a95cb600b9d132d4fa65d9ae9012;p=linux-beck.git

drm: fix the addition of the side-by-side (half) flag for extra 3D modes

Ensure the side-by-side (half) flag is added to any existing flags when
adding modes from 3D_Structure_ALL.

Signed-off-by: Thomas Wood <thomas.wood@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

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++;
 		}