diff options
Diffstat (limited to 'src/mga_g450pll.c')
| -rw-r--r-- | src/mga_g450pll.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/mga_g450pll.c b/src/mga_g450pll.c index 526d859..6176549 100644 --- a/src/mga_g450pll.c +++ b/src/mga_g450pll.c @@ -1,4 +1,4 @@ -/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_g450pll.c,v 1.8tsi Exp $ */ +/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_g450pll.c,v 1.8 2002/09/16 18:05:56 eich Exp $ */ /* All drivers should typically include these */ #include "xf86.h" @@ -43,10 +43,11 @@ static CARD32 G450RemovePFactor(ScrnInfoPtr pScrn, CARD8 ucP, CARD32 *pulFIn) static CARD32 G450CalculVCO(ScrnInfoPtr pScrn, CARD32 ulMNP, CARD32 *pulF) { - CARD8 ucM, ucN; + CARD8 ucM, ucN, ucP; ucM = (CARD8)((ulMNP >> 16) & 0xff); ucN = (CARD8)((ulMNP >> 8) & 0xff); + ucP = (CARD8)(ulMNP & 0x03); *pulF = (27000 * (2 * (ucN + 2)) + ((ucM + 1) >> 1)) / (ucM + 1); @@ -192,6 +193,9 @@ static CARD32 G450FindFirstPLLParam(ScrnInfoPtr pScrn, CARD32 ulFout, static CARD32 G450WriteMNP(ScrnInfoPtr pScrn, CARD32 ulMNP) { MGAPtr pMga = MGAPTR(pScrn); + MGARegPtr pReg; + + pReg = &pMga->ModeReg; if (!pMga->SecondCrtc) { outMGAdac(MGA1064_PIX_PLLC_M, (CARD8)(ulMNP >> 16)); @@ -208,8 +212,11 @@ static CARD32 G450WriteMNP(ScrnInfoPtr pScrn, CARD32 ulMNP) static CARD32 G450ReadMNP(ScrnInfoPtr pScrn) { MGAPtr pMga = MGAPTR(pScrn); + MGARegPtr pReg; CARD32 ret = 0; + pReg = &pMga->ModeReg; + if (!pMga->SecondCrtc) { ret = (CARD8)inMGAdac(MGA1064_PIX_PLLC_M) << 16; ret |= (CARD8)inMGAdac(MGA1064_PIX_PLLC_N) << 8; |