diff options
Diffstat (limited to 'drivers/video/fbdev/omap2/dss/dispc.c')
| -rw-r--r-- | drivers/video/fbdev/omap2/dss/dispc.c | 9 |
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 f4fc77d9d3bf..a074d8b70591 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), |