@@ -469,6 +469,18 @@ static void setup_fb_info(struct msmfb_info *msmfb)
fb_info->var.yoffset = 0;
if (msmfb->panel->caps & MSMFB_CAP_PARTIAL_UPDATES) {
+ /*
+ * Set the param in the fixed screen, so userspace can't
+ * change it. This will be used to check for the
+ * capability.
+ */
+ fb_info->fix.reserved[0] = 0x5444;
+ fb_info->fix.reserved[1] = 0x5055;
+
+ /*
+ * This preloads the value so that if userspace doesn't
+ * change it, it will be a full update
+ */
fb_info->var.reserved[0] = 0x54445055;
fb_info->var.reserved[1] = 0;
fb_info->var.reserved[2] = (uint16_t)msmfb->xres |