fbdev: sh_mobile_lcdc: Return display connection state in display_on

Return true if the display is connected and false otherwise. Set the fb
info state to FBINFO_STATE_SUSPENDED in the sh_mobile_lcdc driver when
the display is not connected.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/sh_mipi_dsi.c b/drivers/video/sh_mipi_dsi.c
index 1ede247547f9..5ff3742aeb08 100644
--- a/drivers/video/sh_mipi_dsi.c
+++ b/drivers/video/sh_mipi_dsi.c
@@ -412,7 +412,7 @@ static int mipi_display_on(struct sh_mobile_lcdc_entity *entity)
 
         sh_mipi_dsi_enable(mipi, true);
 
-        return 0;
+        return SH_MOBILE_LCDC_DISPLAY_CONNECTED;
 
 mipi_display_on_fail1:
         pm_runtime_put_sync(&mipi->pdev->dev);