intelfb: add vsync interrupt support

[safe/jmp/linux-2.6] / drivers / video / intelfb / intelfbdrv.c

diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 068c56d..08f8241 100644 (file)
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -1473,6 +1473,19 @@ static int
 intelfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
        int retval = 0;
+       struct intelfb_info *dinfo = GET_DINFO(info);
+       u32 pipe = 0;
+
+       switch (cmd) {
+               case FBIO_WAITFORVSYNC:
+                       if (get_user(pipe, (__u32 __user *)arg))
+                               return -EFAULT;
+
+                       retval = intelfbhw_wait_for_vsync(dinfo, pipe);
+                       break;
+               default:
+                       break;
+       }
 
        return retval;
 }