drm/tc358762: Set the pre_enable_upstream_first flag to configure DSI host

TC358762 wants the DSI host to be prepared before it is powered up, so
set the flag to request that the upstream bridges have their
pre_enable called first.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>

diff --git a/drivers/gpu/drm/bridge/tc358762.c b/drivers/gpu/drm/bridge/tc358762.c
index 7cda18a..82d1318 100644 (file)
--- a/drivers/gpu/drm/bridge/tc358762.c
+++ b/drivers/gpu/drm/bridge/tc358762.c
@@ -237,6 +237,7 @@ static int tc358762_probe(struct mipi_dsi_device *dsi)
        ctx->bridge.funcs = &tc358762_bridge_funcs;
        ctx->bridge.type = DRM_MODE_CONNECTOR_DPI;
        ctx->bridge.of_node = dev->of_node;
+       ctx->bridge.pre_enable_upstream_first = true;
 
        drm_bridge_add(&ctx->bridge);