diff --git a/[refs] b/[refs]
index d187179d57cb..5800cc259894 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e39250aa5246b43aae882274e345620f665ab5ef
+refs/heads/master: 500df2e5d870ef5be3d37f0798f770028b69fd47
diff --git a/trunk/drivers/gpu/drm/tegra/dc.c b/trunk/drivers/gpu/drm/tegra/dc.c
index b256574409e7..3475bd9f9719 100644
--- a/trunk/drivers/gpu/drm/tegra/dc.c
+++ b/trunk/drivers/gpu/drm/tegra/dc.c
@@ -223,8 +223,7 @@ static int tegra_crtc_mode_set(struct drm_crtc *crtc,
 	win.stride = crtc->fb->pitches[0];
 
 	/* program window registers */
-	value = tegra_dc_readl(dc, DC_CMD_DISPLAY_WINDOW_HEADER);
-	value |= WINDOW_A_SELECT;
+	value = WINDOW_A_SELECT;
 	tegra_dc_writel(dc, value, DC_CMD_DISPLAY_WINDOW_HEADER);
 
 	tegra_dc_writel(dc, win.fmt, DC_WIN_COLOR_DEPTH);