staging/xgifb: fix display on XGI Volari Z11m cards

Image on Z11m cards was totally garbled due to wrong memory being
selected. Add a special handling for Z11m cards. Tested on PCIe Z11 and
Z11m cards.

Signed-off-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/xgifb/vb_init.c b/drivers/staging/xgifb/vb_init.c
index 94d5c35..3650bbf 100644 (file)
--- a/drivers/staging/xgifb/vb_init.c
+++ b/drivers/staging/xgifb/vb_init.c
@@ -61,7 +61,7 @@ XGINew_GetXG20DRAMType(struct xgi_hw_device_info *HwDeviceExtension,
                }
                temp = xgifb_reg_get(pVBInfo->P3c4, 0x3B);
                /* SR3B[7][3]MAA15 MAA11 (Power on Trapping) */
-               if ((temp & 0x88) == 0x80)
+               if (((temp & 0x88) == 0x80) || ((temp & 0x88) == 0x08))
                        data = 0; /* DDR */
                else
                        data = 1; /* DDRII */

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) {

diff --git a/drivers/staging/xgifb/vb_table.h b/drivers/staging/xgifb/vb_table.h
index dddf261..e8d6f67 100644 (file)
--- a/drivers/staging/xgifb/vb_table.h
+++ b/drivers/staging/xgifb/vb_table.h
@@ -33,6 +33,13 @@ static struct XGI_ECLKDataStruct XGI340_ECLKData[] = {
        {0x5c, 0x23, 0x01, 166}
 };
 
+static unsigned char XG27_SR13[4][8] = {
+       {0x35, 0x45, 0xb1, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR13 */
+       {0x41, 0x51, 0x5c, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR14 */
+       {0x32, 0x32, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR18 */
+       {0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00}  /* SR1B */
+};
+
 static unsigned char XGI340_SR13[4][8] = {
        {0x35, 0x45, 0xb1, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR13 */
        {0x41, 0x51, 0x5c, 0x00, 0x00, 0x00, 0x00, 0x00}, /* SR14 */
@@ -71,7 +78,7 @@ static unsigned char XGI27_cr41[24][8] = {
        {0x20, 0x40, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 0 CR41 */
        {0xC4, 0x40, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 1 CR8A */
        {0xC4, 0x40, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 2 CR8B */
-       {0xB5, 0x13, 0xa4, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 3 CR40[7],
+       {0xB3, 0x13, 0xa4, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 3 CR40[7],
                                                               CR99[2:0],
                                                               CR45[3:0]*/
        {0xf0, 0xf5, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x00}, /* 4 CR59 */
@@ -2803,6 +2810,8 @@ static unsigned char XG27_CRDE[2];
 static unsigned char XG27_SR40 = 0x04 ;
 static unsigned char XG27_SR41 = 0x00 ;
 
+static unsigned char Z11m_CR97 = 0x80 ;
+
 static struct XGI330_VCLKDataStruct XGI_VCLKData[] = {
        /* SR2B,SR2C,SR2D */
        {0x1B, 0xE1,  25}, /* 00 (25.175MHz) */