From 0bddb7e28dc9ac79923e99ce23e74df867731587 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@centraldogma>
Date: Sat, 5 Nov 2011 05:16:50 +0100
Subject: vesa: make softscreen optional (has to be enabled with *vesashadow=
 option now in plan9.ini)

---
 sys/src/9/pc/vgavesa.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sys/src/9/pc/vgavesa.c b/sys/src/9/pc/vgavesa.c
index 8c4c5f9c5..0f8adb2fd 100644
--- a/sys/src/9/pc/vgavesa.c
+++ b/sys/src/9/pc/vgavesa.c
@@ -17,8 +17,6 @@
 #include "screen.h"
 
 enum {
-	Usesoftscreen = 1,
-
 	Cdisable = 0,
 	Cenable,
 	Cblank,
@@ -112,9 +110,9 @@ static void
 vesalinear(VGAscr *scr, int, int)
 {
 	int i, mode, size, havesize;
-	uchar *p;
 	ulong paddr;
 	Pcidev *pci;
+	uchar *p;
 
 	if(hardscreen) {
 		scr->vaddr = hardscreen;
@@ -170,8 +168,7 @@ vesalinear(VGAscr *scr, int, int)
 	vgalinearaddr(scr, paddr, size);
 	if(scr->apsize)
 		addvgaseg("vesascreen", scr->paddr, scr->apsize);
-
-	if(Usesoftscreen){
+	if(getconf("*vesashadow")){
 		hardscreen = scr->vaddr;
 		scr->paddr = scr->apsize = 0;
 	}
-- 
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