staging: xgifb: XGINew_GetXG21Sense(): eliminate video BIOS access (c4ffaa44) · Commits · 戴 / test

Remove video BIOS access from the routine, use the flag instead which is initialized according to the BIOS data. Signed-off-by:

drivers/staging/xgifb/vb_init.c

+1 −6

Original line number	Diff line number	Diff line
		@@ -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);