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path: root/drivers/video/fbdev/omap2/dss
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Diffstat (limited to 'drivers/video/fbdev/omap2/dss')
-rw-r--r--drivers/video/fbdev/omap2/dss/dispc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/video/fbdev/omap2/dss/dispc.c b/drivers/video/fbdev/omap2/dss/dispc.c
index f4fc77d..a074d8b 100644
--- a/drivers/video/fbdev/omap2/dss/dispc.c
+++ b/drivers/video/fbdev/omap2/dss/dispc.c
@@ -1741,6 +1741,15 @@ static void dispc_ovl_set_rotation_attrs(enum omap_plane plane, u8 rotation,
row_repeat = false;
}
+ /*
+ * OMAP4/5 Errata i631:
+ * NV12 in 1D mode must use ROTATION=1. Otherwise DSS will fetch extra
+ * rows beyond the framebuffer, which may cause OCP error.
+ */
+ if (color_mode == OMAP_DSS_COLOR_NV12 &&
+ rotation_type != OMAP_DSS_ROT_TILER)
+ vidrot = 1;
+
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), vidrot, 13, 12);
if (dss_has_feature(FEAT_ROWREPEATENABLE))
REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane),
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