fbdev: sh_mobile_lcdc: Update fix.line_length in .fb_set_par()
authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Wed, 31 Aug 2011 11:00:56 +0000 (13:00 +0200)
committerFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
Mon, 5 Sep 2011 16:37:14 +0000 (16:37 +0000)
Instead of updating the fixed screen information line length manually
after calling fb_set_var() in sh_mobile_fb_reconfig(), update the field
in the .fb_set_par() operation handler.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
drivers/video/sh_mobile_lcdcfb.c

index 1ff215c42c4140420885ce2cfef82b9ab7a59079..b6da1d644619e745b8abf0155379ef8172505ba3 100644 (file)
@@ -998,11 +998,6 @@ static void sh_mobile_fb_reconfig(struct fb_info *info)
                /* Couldn't reconfigure, hopefully, can continue as before */
                return;
 
-       if (info->var.nonstd)
-               info->fix.line_length = mode1.xres;
-       else
-               info->fix.line_length = mode1.xres * (ch->cfg.bpp / 8);
-
        /*
         * fb_set_var() calls the notifier change internally, only if
         * FBINFO_MISC_USEREVENT flag is set. Since we do not want to fake a
@@ -1157,12 +1152,22 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
 static int sh_mobile_set_par(struct fb_info *info)
 {
        struct sh_mobile_lcdc_chan *ch = info->par;
+       u32 line_length = info->fix.line_length;
        int ret;
 
        sh_mobile_lcdc_stop(ch->lcdc);
+
+       if (info->var.nonstd)
+               info->fix.line_length = info->var.xres;
+       else
+               info->fix.line_length = info->var.xres
+                                     * info->var.bits_per_pixel / 8;
+
        ret = sh_mobile_lcdc_start(ch->lcdc);
-       if (ret < 0)
+       if (ret < 0) {
                dev_err(info->dev, "%s: unable to restart LCDC\n", __func__);
+               info->fix.line_length = line_length;
+       }
 
        return ret;
 }