drm/bridge: tc358762: Instruct DSI host to generate HSE packets

This bridge seems to need the HSE packet, otherwise the image is
shifted up and corrupted at the bottom. This makes the bridge
work with Samsung DSIM on i.MX8MM and i.MX8MP.

Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20230615201902.566182-3-marex@denx.de

diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c
index 5e00c08..77f2ec9 100644 (file)
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -241,7 +241,7 @@ static int tc358762_probe(struct mipi_dsi_device *dsi)
        dsi->lanes = 1;
        dsi->format = MIPI_DSI_FMT_RGB888;
        dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
-                         MIPI_DSI_MODE_LPM;
+                         MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_VIDEO_HSE;
 
        ret = tc358762_parse_dt(ctx);
        if (ret < 0)