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aux/vga: revert vbegetmode

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This commit is contained in:
ftrvxmtrx 2015-01-02 19:07:01 +01:00
parent 68b8351f8c
commit 753bb6b87a
1 changed files with 4 additions and 11 deletions
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15
sys/src/cmd/aux/vga/vesa.c
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@ -895,18 +895,11 @@ int
vbegetmode(Vbe *vbe)
{
Ureg u;
char size[32];
Mode *m;
vbesetup(vbe, &u, 0x5F29);
u.bx = 0x8000; /* current mode */
vbecall(vbe, &u);
if(u.ax != 0x5f)
return -1;
snprint(size, sizeof(size), "%dx%dx%d",
(int)u.bx>>16, (int)u.bx & 0xffff, (int)u.cx & 0xff);
m = dbvesamode(size);
return m == nil ? -1 : atoi(dbattr(m->attr, "id"));
vbesetup(vbe, &u, 0x4F03);
if(vbecall(vbe, &u) < 0)
return 0;
return u.bx;
}
int