[PATCH 1/1] drm/bridge: ti-sn65dsi83: Support negative DE polarity

[Alexander Stein]

Polarity for DE is stored in bridge state. Use this flag for setting
the DE polarity in the bridge.

Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
 drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
index 54ad462d17ef7..95563aa1b450d 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
@@ -561,6 +561,8 @@ static void sn65dsi83_atomic_pre_enable(struct drm_bridge *bridge,
 	       REG_LVDS_FMT_HS_NEG_POLARITY : 0) |
 	      (mode->flags & DRM_MODE_FLAG_NVSYNC ?
 	       REG_LVDS_FMT_VS_NEG_POLARITY : 0);
+	val |= bridge_state->output_bus_cfg.flags & DRM_BUS_FLAG_DE_LOW ?
+	       REG_LVDS_FMT_DE_NEG_POLARITY : 0;
 
 	/* Set up bits-per-pixel, 18bpp or 24bpp. */
 	if (lvds_format_24bpp) {
-- 
2.43.0