git: 9front

Info  •  Files  •  Log  •  Branches

aux/vga: do not set mode 3 unless connected

--- a/sys/src/cmd/aux/vga/vesa.c

+++ b/sys/src/cmd/aux/vga/vesa.c

@@ -990,11 +990,11 @@

 	if(display == 0)

 		return 0;

-	/* switch to common mode before trying */

-	vbesetmode(vbe, 3);

-

 	cx = 1<<(display-1);

 	if(vbe->dspcon & cx){

+		/* switch to common mode before trying */

+		vbesetmode(vbe, 3);

+

 		vbesetup(vbe, &u, 0x5F64);

 		u.bx = 0;

 		u.cx = cx;

-- 

⑨