From fe5edf285529111f1fc04f55cd230133a25195df Mon Sep 17 00:00:00 2001 From: Guochun Huang Date: Mon, 17 Feb 2020 11:09:47 +0800 Subject: [PATCH] drm/rockchip: dsi: fix some dsi register may be misconfigured Change-Id: I24e369da8f9abdae66ee2a002828886c8fee6d0f Signed-off-by: Guochun Huang --- drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index 7a202e735c38..12cee79146f2 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -1262,8 +1262,9 @@ static void dw_mipi_dsi_enable(struct dw_mipi_dsi *dsi) regmap_write(dsi->regmap, DSI_DPI_COLOR_CODING, val); + val = 0; if (mode->flags & DRM_MODE_FLAG_NVSYNC) - val = VSYNC_ACTIVE_LOW; + val |= VSYNC_ACTIVE_LOW; if (mode->flags & DRM_MODE_FLAG_NHSYNC) val |= HSYNC_ACTIVE_LOW; regmap_write(dsi->regmap, DSI_DPI_CFG_POL, val);