diff options
Diffstat (limited to 'drivers/video/fbdev/arkfb.c')
| -rw-r--r-- | drivers/video/fbdev/arkfb.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/video/fbdev/arkfb.c b/drivers/video/fbdev/arkfb.c index eb3e47c58c5f..ed76ddc7df3d 100644 --- a/drivers/video/fbdev/arkfb.c +++ b/drivers/video/fbdev/arkfb.c @@ -781,7 +781,12 @@ static int arkfb_set_par(struct fb_info *info) return -EINVAL; } - ark_set_pixclock(info, (hdiv * info->var.pixclock) / hmul); + value = (hdiv * info->var.pixclock) / hmul; + if (!value) { + fb_dbg(info, "invalid pixclock\n"); + value = 1; + } + ark_set_pixclock(info, value); svga_set_timings(par->state.vgabase, &ark_timing_regs, &(info->var), hmul, hdiv, (info->var.vmode & FB_VMODE_DOUBLE) ? 2 : 1, (info->var.vmode & FB_VMODE_INTERLACED) ? 2 : 1, |