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path: root/drivers/video/tridentfb.c
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Diffstat (limited to 'drivers/video/tridentfb.c')
-rw-r--r--drivers/video/tridentfb.c12
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/video/tridentfb.c b/drivers/video/tridentfb.c
index 919ce75db9e2..5976a1e40514 100644
--- a/drivers/video/tridentfb.c
+++ b/drivers/video/tridentfb.c
@@ -566,44 +566,32 @@ static inline void write3CE(int reg, unsigned char val)
static void enable_mmio(void)
{
- unsigned char tmp;
-
/* Goto New Mode */
outb(0x0B, 0x3C4);
inb(0x3C5);
/* Unprotect registers */
outb(NewMode1, 0x3C4);
- tmp = inb(0x3C5);
outb(0x80, 0x3C5);
/* Enable MMIO */
outb(PCIReg, 0x3D4);
outb(inb(0x3D5) | 0x01, 0x3D5);
-
- t_outb(NewMode1, 0x3C4);
- t_outb(tmp, 0x3C5);
}
static void disable_mmio(void)
{
- unsigned char tmp;
-
/* Goto New Mode */
t_outb(0x0B, 0x3C4);
t_inb(0x3C5);
/* Unprotect registers */
t_outb(NewMode1, 0x3C4);
- tmp = t_inb(0x3C5);
t_outb(0x80, 0x3C5);
/* Disable MMIO */
t_outb(PCIReg, 0x3D4);
t_outb(t_inb(0x3D5) & ~0x01, 0x3D5);
-
- outb(NewMode1, 0x3C4);
- outb(tmp, 0x3C5);
}
#define crtc_unlock() write3X4(CRTVSyncEnd, read3X4(CRTVSyncEnd) & 0x7F)