fbdev: sh_mobile_lcdc: Use channel configuration to initialize fb device

Copy the x and y virtual resolutions from the channel information
instead of recomputing them.

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

diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 67877ccadacbc8722418d521f9536dc68e96b2b3..68011b5596c5dab9981222ac477e2082de771e5a 100644 (file)
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -2214,14 +2214,14 @@ sh_mobile_lcdc_channel_fb_init(struct sh_mobile_lcdc_chan *ch,
                info->fix.ypanstep = 2;
 
        /* Initialize variable screen information using the first mode as
-        * default. The default Y virtual resolution is twice the panel size to
-        * allow for double-buffering.
+        * default.
         */
        var = &info->var;
        fb_videomode_to_var(var, mode);
        var->width = ch->cfg->panel_cfg.width;
        var->height = ch->cfg->panel_cfg.height;
-       var->yres_virtual = var->yres * 2;
+       var->xres_virtual = ch->xres_virtual;
+       var->yres_virtual = ch->yres_virtual;
        var->activate = FB_ACTIVATE_NOW;
 
        /* Use the legacy API by default for RGB formats, and the FOURCC API
@@ -2619,7 +2619,9 @@ sh_mobile_lcdc_channel_init(struct sh_mobile_lcdc_priv *priv,
                num_modes = cfg->num_modes;
        }
 
-       /* Use the first mode as default. */
+       /* Use the first mode as default. The default Y virtual resolution is
+        * twice the panel size to allow for double-buffering.
+        */
        ch->format = format;
        ch->xres = mode->xres;
        ch->xres_virtual = mode->xres;