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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2007-10-12 21:27:47 -0400 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2007-10-12 21:27:47 -0400 |
| commit | b981d8b3f5e008ff10d993be633ad00564fc22cd (patch) | |
| tree | e292dc07b22308912cf6a58354a608b9e5e8e1fd /drivers/video/matrox/g450_pll.c | |
| parent | b11d2127c4893a7315d1e16273bc8560049fa3ca (diff) | |
| parent | 2b9e0aae1d50e880c58d46788e5e3ebd89d75d62 (diff) | |
| download | op-kernel-dev-b981d8b3f5e008ff10d993be633ad00564fc22cd.zip op-kernel-dev-b981d8b3f5e008ff10d993be633ad00564fc22cd.tar.gz | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/macintosh/adbhid.c
Diffstat (limited to 'drivers/video/matrox/g450_pll.c')
| -rw-r--r-- | drivers/video/matrox/g450_pll.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/drivers/video/matrox/g450_pll.c b/drivers/video/matrox/g450_pll.c index 7c76e07..d42346e 100644 --- a/drivers/video/matrox/g450_pll.c +++ b/drivers/video/matrox/g450_pll.c @@ -331,16 +331,19 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, tmp |= M1064_XPIXCLKCTRL_PLL_UP; } matroxfb_DAC_out(PMINFO M1064_XPIXCLKCTRL, tmp); -#ifdef __powerpc__ - /* This is necessary to avoid jitter on PowerPC - * (OpenFirmware) systems, but apparently - * introduces jitter, at least on a x86-64 - * using DVI. - * A simple workaround is disable for non-PPC. - */ - matroxfb_DAC_out(PMINFO M1064_XDVICLKCTRL, 0); -#endif /* __powerpc__ */ - matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, xpwrctrl); + /* DVI PLL preferred for frequencies up to + panel link max, standard PLL otherwise */ + if (fout >= MINFO->max_pixel_clock_panellink) + tmp = 0; + else tmp = + M1064_XDVICLKCTRL_DVIDATAPATHSEL | + M1064_XDVICLKCTRL_C1DVICLKSEL | + M1064_XDVICLKCTRL_C1DVICLKEN | + M1064_XDVICLKCTRL_DVILOOPCTL | + M1064_XDVICLKCTRL_P1LOOPBWDTCTL; + matroxfb_DAC_out(PMINFO M1064_XDVICLKCTRL,tmp); + matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, + xpwrctrl); matroxfb_DAC_unlock_irqrestore(flags); } |
