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vgavesa: cleanup

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This commit is contained in:
cinap_lenrek 2011-08-23 06:03:54 +02:00
parent 54db805a16
commit b25e48b949
1 changed files with 2 additions and 10 deletions
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12
sys/src/9/pc/vgavesa.c
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@ -53,15 +53,8 @@ vbesetup(Ureg *u, int ax)
static void
vbecall(Ureg *u)
{
static QLock callq;
ulong pa;
eqlock(&callq);
if(waserror()){
qunlock(&callq);
nexterror();
}
pa = PADDR(RMBUF);
if(devtab[cmem->type]->write(cmem, modebuf, sizeof(modebuf), pa) != sizeof(modebuf))
error("write modebuf");
@ -76,9 +69,6 @@ vbecall(Ureg *u)
if(devtab[cmem->type]->read(cmem, modebuf, sizeof(modebuf), pa) != sizeof(modebuf))
error("read modebuf");
poperror();
qunlock(&callq);
}
static void
@ -229,12 +219,14 @@ vesaproc(void*)
while(vesactl != Cdisable){
if(!waserror()){
sleep(&vesar, vesadisabled, nil);
vbesetup(&u, 0x4f10);
if(vesactl == Cblank)
u.bx = 0x0101;
else
u.bx = 0x0001;
vbecall(&u);
poperror();
}
}