[PATCH 05/13] drm/sun4i: tcon: Set output mux for DSI and LVDS

[Jernej Skrabec]

DSI and LVDS skip output mux setup, so TCON TOP cannot route the selected
mixer. Configure them like other channel 0 outputs.

In practice this matters for D1, where channel 0 TCONs are fed through
TCON TOP. The remaining set_mux implementations only handle TMDS and
return an error for other encoder types, as before.

Fixes: b9b52d2f4aaf ("drm/sun4i: Add support for D1 TCONs")
Signed-off-by: Jernej Skrabec <jernej.skra...@gmail.com>
---
 drivers/gpu/drm/sun4i/sun4i_tcon.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c 
b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 960e83c8291d..ea7c90fef316 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -717,9 +717,11 @@ void sun4i_tcon_mode_set(struct sun4i_tcon *tcon,
        case DRM_MODE_ENCODER_DSI:
                /* DSI is tied to special case of CPU interface */
                sun4i_tcon0_mode_set_cpu(tcon, encoder, mode);
+               sun4i_tcon_set_mux(tcon, 0, encoder);
                break;
        case DRM_MODE_ENCODER_LVDS:
                sun4i_tcon0_mode_set_lvds(tcon, encoder, mode);
+               sun4i_tcon_set_mux(tcon, 0, encoder);
                break;
        case DRM_MODE_ENCODER_NONE:
                sun4i_tcon0_mode_set_rgb(tcon, encoder, mode);
-- 
2.43.0