A shadow register change has no direct effect on the display configuration until the GOLCD (DISPC_CONTROL[5]) is set. Signed-off-by: Arun C <arunedarath@xxxxxxxxxxxxxxxxxxxx> --- drivers/video/omap/dispc.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/video/omap/dispc.c b/drivers/video/omap/dispc.c index 82ba030..2e7af85 100644 --- a/drivers/video/omap/dispc.c +++ b/drivers/video/omap/dispc.c @@ -436,6 +436,11 @@ static inline int _setup_plane(int plane, int channel_out, dispc_write_reg(ri_reg[plane], (screen_width - width) * bpp / 8 + 1); + /* Wait untill GOLCD bit is cleared and set it */ + while (dispc_read_reg(DISPC_CONTROL) & (1 << 5)) + continue; + MOD_REG_FLD(DISPC_CONTROL, 1 << 5, 1 << 5); + return height * screen_width * bpp / 8; } -- 1.5.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
