while ((this_opt = strsep(&options, ",")) != NULL) {
                if (!strncmp(this_opt, "mtrr", 4))
-                       mtrr = 1;
+                       mtrr = true;
                else if (!strncmp(this_opt, "accel", 5))
-                       accel = 1;
+                       accel = true;
                else if (!strncmp(this_opt, "extvga", 6))
-                       extvga = 1;
+                       extvga = true;
                else if (!strncmp(this_opt, "sync", 4))
-                       sync = 1;
+                       sync = true;
                else if (!strncmp(this_opt, "vram:", 5))
                        vram = (simple_strtoul(this_opt+5, NULL, 0));
                else if (!strncmp(this_opt, "voffset:", 8))
                else if (!strncmp(this_opt, "vsync2:", 7))
                        vsync2 = simple_strtoul(this_opt+7, NULL, 0);
                else if (!strncmp(this_opt, "dcolor", 6))
-                       dcolor = 1;
+                       dcolor = true;
                else if (!strncmp(this_opt, "ddc3", 4))
                        ddc3 = true;
                else