4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Andrzej Hajda <a.hajda@xxxxxxxxxxx> [ Upstream commit 11d8bcef7a0399e1d2519f207fd575fc404306b4 ] DECON_TV requires STANDALONE_UPDATE after output enabling, otherwise it does not start. This change is neutral for DECON. Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -180,6 +180,8 @@ static void decon_commit(struct exynos_d /* enable output and display signal */ decon_set_bits(ctx, DECON_VIDCON0, VIDCON0_ENVID | VIDCON0_ENVID_F, ~0); + + decon_set_bits(ctx, DECON_UPDATE, STANDALONE_UPDATE_F, ~0); } static void decon_win_set_pixfmt(struct decon_context *ctx, unsigned int win,