Use the %p4cc format specifier to print 4CCs, which will provide a more
readable message than the raw hex value.
Reported-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 
        format = rcar_du_format_info(mode_cmd->pixel_format);
        if (format == NULL) {
-               dev_dbg(dev->dev, "unsupported pixel format %08x\n",
-                       mode_cmd->pixel_format);
+               dev_dbg(dev->dev, "unsupported pixel format %p4cc\n",
+                       &mode_cmd->pixel_format);
                return ERR_PTR(-EINVAL);
        }
 
 
 
        *format = rcar_du_format_info(state->fb->format->format);
        if (*format == NULL) {
-               dev_dbg(dev->dev, "%s: unsupported format %08x\n", __func__,
-                       state->fb->format->format);
+               dev_dbg(dev->dev, "%s: unsupported format %p4cc\n", __func__,
+                       &state->fb->format->format);
                return -EINVAL;
        }
 
 
 
        wb_state->format = rcar_du_format_info(fb->format->format);
        if (wb_state->format == NULL) {
-               dev_dbg(dev->dev, "%s: unsupported format %08x\n", __func__,
-                       fb->format->format);
+               dev_dbg(dev->dev, "%s: unsupported format %p4cc\n", __func__,
+                       &fb->format->format);
                return -EINVAL;
        }