diff options
Diffstat (limited to 'drivers/video/matrox')
| -rw-r--r-- | drivers/video/matrox/g450_pll.c | 8 | ||||
| -rw-r--r-- | drivers/video/matrox/matroxfb_base.h | 1 |
2 files changed, 8 insertions, 1 deletions
diff --git a/drivers/video/matrox/g450_pll.c b/drivers/video/matrox/g450_pll.c index 440272ad10e7..7c76e079ca7d 100644 --- a/drivers/video/matrox/g450_pll.c +++ b/drivers/video/matrox/g450_pll.c @@ -331,7 +331,15 @@ 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); matroxfb_DAC_unlock_irqrestore(flags); diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h index b95779b57c06..9c25c2f7966b 100644 --- a/drivers/video/matrox/matroxfb_base.h +++ b/drivers/video/matrox/matroxfb_base.h @@ -30,7 +30,6 @@ #include <linux/errno.h> #include <linux/string.h> #include <linux/mm.h> -#include <linux/tty.h> #include <linux/slab.h> #include <linux/delay.h> #include <linux/fb.h> |
