diff options
| author | Eric Hustvedt <ehustvedt@cecropia.com> | 2006-06-20 22:36:42 +0400 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2006-07-03 12:59:46 +0400 |
| commit | 37bced38b3d09c3de7c871790eddde81a3ce57cb (patch) | |
| tree | 9472bb814b65c990fe004e715e810eb0ac0fc120 /drivers/video/intelfb/intelfbdrv.c | |
| parent | 7649757bd900bc900adcd95ab08903cdc28342fa (diff) | |
| download | linux-37bced38b3d09c3de7c871790eddde81a3ce57cb.tar.xz | |
intelfb: add vsync interrupt support
[04/05] intelfb: implement FBIO_WAITFORVSYNC ioctl
The (unofficial) FBIO_WAITFORVSYNC ioctl is implemented by sleeping on the appropriate waitqueue, as defined in my earlier patch. Currently, only display 0 (aka pipe A) is supported.
Signed-off-by: Eric Hustvedt <ehustvedt@cecropia.com>
Diffstat (limited to 'drivers/video/intelfb/intelfbdrv.c')
| -rw-r--r-- | drivers/video/intelfb/intelfbdrv.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c index 068c56d4e652..08f8241bb92a 100644 --- 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; } |