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 67877cc..68011b5 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -2214,14 +2214,14 @@
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 @@
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;