staging/xgifb: fix display on XGI Volari Z11m cards

[cascardo/linux.git] / drivers / staging / xgifb / vb_setmode.c

diff --git a/drivers/staging/xgifb/vb_setmode.c b/drivers/staging/xgifb/vb_setmode.c
index 2919924..60d4adf 100644 (file)
--- a/drivers/staging/xgifb/vb_setmode.c
+++ b/drivers/staging/xgifb/vb_setmode.c
@@ -152,6 +152,7 @@ void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo)
                pVBInfo->pXGINew_CR97 = &XG20_CR97;
 
        if (ChipType == XG27) {
+               unsigned char temp;
                pVBInfo->MCLKData
                        = (struct SiS_MCLKData *) XGI27New_MCLKData;
                pVBInfo->CR40 = XGI27_cr41;
@@ -162,7 +163,13 @@ void InitTo330Pointer(unsigned char ChipType, struct vb_device_info *pVBInfo)
                pVBInfo->pCRDE = XG27_CRDE;
                pVBInfo->pSR40 = &XG27_SR40;
                pVBInfo->pSR41 = &XG27_SR41;
+               pVBInfo->SR15 = XG27_SR13;
 
+               /*Z11m DDR*/
+               temp = xgifb_reg_get(pVBInfo->P3c4, 0x3B);
+               /* SR3B[7][3]MAA15 MAA11 (Power on Trapping) */
+               if (((temp & 0x88) == 0x80) || ((temp & 0x88) == 0x08))
+                       pVBInfo->pXGINew_CR97 = &Z11m_CR97;
        }
 
        if (ChipType >= XG20) {