drm: panel: jdi-lt070me05000: Add prepare_upstream_first flag

The panel driver wants to send DCS commands from the prepare hook, therefore the DSI host wants to be pre_enabled first. Set the flag to achieve this. https://forums.raspberrypi.com/viewtopic.php?t=354708 Signed-off-by: Dave Stevenson <[email protected]>
raspberrypi · Nov 27, 2023 · 5049f66 · 5049f66
1 parent 8942413
commit 5049f66
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c b/drivers/gpu/drm/panel/panel-jdi-lt070me05000.c
@@ -429,6 +429,7 @@ static int jdi_panel_add(struct jdi_panel *jdi)
 		return dev_err_probe(dev, PTR_ERR(jdi->backlight),
 				     "failed to register backlight %d\n", ret);
 
+	jdi->base.prepare_prev_first = true;
 	drm_panel_init(&jdi->base, &jdi->dsi->dev, &jdi_panel_funcs,
 		       DRM_MODE_CONNECTOR_DSI);