1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/video/matrox/g450_pll.c b/drivers/video/matrox/g450_pll.c
index 09f6e045d5be..c15f8a57498e 100644
--- a/drivers/video/matrox/g450_pll.c
+++ b/drivers/video/matrox/g450_pll.c
@@ -368,7 +368,8 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
                                         M1064_XDVICLKCTRL_C1DVICLKEN |
                                         M1064_XDVICLKCTRL_DVILOOPCTL |
                                         M1064_XDVICLKCTRL_P1LOOPBWDTCTL;
-                                matroxfb_DAC_out(minfo, M1064_XDVICLKCTRL, tmp);
+                                /* Setting this breaks PC systems so don't do it */
+                                /* matroxfb_DAC_out(minfo, M1064_XDVICLKCTRL, tmp); */
                                 matroxfb_DAC_out(minfo, M1064_XPWRCTRL,
                                                  xpwrctrl);