diff options
| -rw-r--r-- | drivers/video/intelfb/intelfbdrv.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index ace14fe02fc..0cafd642fbc 100644 --- a/drivers/video/intelfb/intelfbdrv.c +++ b/drivers/video/intelfb/intelfbdrv.c @@ -1365,6 +1365,11 @@ static int intelfb_set_par(struct fb_info *info) DBG_MSG("intelfb_set_par (%dx%d-%d)\n", info->var.xres, info->var.yres, info->var.bits_per_pixel); + /* + * Disable VCO prior to timing register change. + */ + OUTREG(DPLL_A, INREG(DPLL_A) & ~DPLL_VCO_ENABLE); + intelfb_blank(FB_BLANK_POWERDOWN, info); if (ACCEL(dinfo, info)) |