staging/xgifb: Simplyfy XGI_GetVCLK2Ptr a bit
authorPeter Huewe <peterhuewe@gmx.de>
Wed, 13 Jun 2012 22:21:48 +0000 (00:21 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 14 Jun 2012 00:15:42 +0000 (17:15 -0700)
This patch simplyfies the XGI_GetVCLK2Ptr a bit by moving the +=25 to
a define and removing statements without effect.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/xgifb/vb_setmode.c

index 47d60c8a848cf2bb46718696baab062308f23374..3b9a0f724f267bf667c9bf8afa140b5df9c07e20 100644 (file)
@@ -7,6 +7,7 @@
 
 
 #define  IndexMask 0xff
+#define TVCLKBASE_315_25 (TVCLKBASE_315 + 25)
 
 static const unsigned short XGINew_VGA_DAC[] = {
        0x00, 0x10, 0x04, 0x14, 0x01, 0x11, 0x09, 0x15,
@@ -1027,20 +1028,16 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo,
                                VCLKIndex = VCLK65_315 + 2; /* LCDXlat1VCLK */
                } else if (pVBInfo->VBInfo & SetCRT2ToHiVision) {
                        if (pVBInfo->SetFlag & RPLLDIV2XO) {
-                               VCLKIndex = TVCLKBASE_315 + HiTVVCLKDIV2;
-                               VCLKIndex += 25;
+                               VCLKIndex = TVCLKBASE_315_25 + HiTVVCLKDIV2;
                        } else {
-                               VCLKIndex = TVCLKBASE_315 + HiTVVCLK;
-                               VCLKIndex += 25;
+                               VCLKIndex = TVCLKBASE_315_25 + HiTVVCLK;
                        }
 
                        if (pVBInfo->SetFlag & TVSimuMode) {
                                if (modeflag & Charx8Dot) {
-                                       VCLKIndex = TVCLKBASE_315 + HiTVSimuVCLK;
-                                       VCLKIndex += 25;
+                                       VCLKIndex = TVCLKBASE_315_25 + HiTVSimuVCLK;
                                } else {
-                                       VCLKIndex = TVCLKBASE_315 + HiTVTextVCLK;
-                                       VCLKIndex += 25;
+                                       VCLKIndex = TVCLKBASE_315_25 + HiTVTextVCLK;
                                }
                        }
 
@@ -1058,11 +1055,9 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo,
                        }
                } else if (pVBInfo->VBInfo & SetCRT2ToTV) {
                        if (pVBInfo->SetFlag & RPLLDIV2XO) {
-                               VCLKIndex = TVCLKBASE_315 + TVVCLKDIV2;
-                               VCLKIndex += 25;
+                               VCLKIndex = TVCLKBASE_315_25 + TVVCLKDIV2;
                        } else {
-                               VCLKIndex = TVCLKBASE_315 + TVVCLK;
-                               VCLKIndex += 25;
+                               VCLKIndex = TVCLKBASE_315_25 + TVVCLK;
                        }
                } else { /* for CRT2 */
                        /* di+Ext_CRTVCLK */
@@ -1071,16 +1066,11 @@ static unsigned short XGI_GetVCLK2Ptr(unsigned short ModeNo,
                        VCLKIndex &= IndexMask;
                }
        } else { /* LVDS */
-               VCLKIndex = CRT2Index;
-               VCLKIndex = VCLKIndex >> 6;
                if ((pVBInfo->LCDResInfo == Panel_800x600) ||
                    (pVBInfo->LCDResInfo == Panel_320x480))
                        VCLKIndex = VCLK40; /* LVDSXlat1VCLK */
-               else if ((pVBInfo->LCDResInfo == Panel_1024x768) ||
-                        (pVBInfo->LCDResInfo == Panel_1024x768x75))
-                       VCLKIndex = VCLK65_315 + 2; /* LVDSXlat2VCLK */
                else
-                       VCLKIndex = VCLK65_315 + 2; /* LVDSXlat3VCLK */
+                       VCLKIndex = VCLK65_315 + 2; /* LVDSXlat2VCLK, LVDSXlat3VCLK  */
        }
 
        return VCLKIndex;