staging: xgifb: XGINew_GetXG21Sense(): eliminate video BIOS access

Remove video BIOS access from the routine, use the flag instead which
is initialized according to the BIOS data.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c
index 7e89100..f3a8bed 100644 (file)
--- a/drivers/staging/xgifb/vb_init.c
+++ b/drivers/staging/xgifb/vb_init.c
@@ -1313,14 +1313,9 @@ static void XGINew_GetXG21Sense(struct xgi_hw_device_info *HwDeviceExtension,
                struct vb_device_info *pVBInfo)
 {
        unsigned char Temp;
-       volatile unsigned char *pVideoMemory =
-                       (unsigned char *) pVBInfo->ROMAddr;
-
-       pVBInfo->IF_DEF_LVDS = 0;
 
 #if 1
-       if ((pVideoMemory[0x65] & 0x01)) { /* For XG21 LVDS */
-               pVBInfo->IF_DEF_LVDS = 1;
+       if (pVBInfo->IF_DEF_LVDS) { /* For XG21 LVDS */
                xgifb_reg_or(pVBInfo->P3d4, 0x32, LCDSense);
                /* LVDS on chip */
                xgifb_reg_and_or(pVBInfo->P3d4, 0x38, ~0xE0, 0xC0);