MLK-10117-4: mxsfb: Add lcdif register config in enable panel function

Lcdif register configuration will lost in dispmix power off,
so register should been configured again when panel power up.

Signed-off-by: Sandor Yu <R01008@freescale.com>

diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index f7fae1864912dbe867f3575519201246f29919b5..50e84b4b759a68570b8e257045fcca2853a48068 100644 (file)
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -4,7 +4,7 @@
  * This code is based on:
  * Author: Vitaly Wool <vital@embeddedalley.com>
  *
- * Copyright 2008-2014 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright 2008-2015 Freescale Semiconductor, Inc. All Rights Reserved.
  * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
  *
  * This program is free software; you can redistribute it and/or
@@ -239,6 +239,7 @@ static const struct mxsfb_devdata mxsfb_devdata[] = {
 
 static int mxsfb_map_videomem(struct fb_info *info);
 static int mxsfb_unmap_videomem(struct fb_info *info);
+static int mxsfb_set_par(struct fb_info *fb_info);
 
 /* enable lcdif axi clock */
 static inline void clk_enable_axi(struct mxsfb_info *host)
@@ -515,6 +516,9 @@ static void mxsfb_enable_controller(struct fb_info *fb_info)
        /* Clean soft reset and clock gate bit if it was enabled  */
        writel(CTRL_SFTRST | CTRL_CLKGATE, host->base + LCDC_CTRL + REG_CLR);
 
+       /* reconfigure the lcdif after */
+       mxsfb_set_par(&host->fb_info);
+
        writel(CTRL2_OUTSTANDING_REQS__REQ_16,
                host->base + LCDC_V4_CTRL2 + REG_SET);