diff options
Diffstat (limited to 'drivers/char/drm/fops.c')
| -rw-r--r-- | drivers/char/drm/fops.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/char/drm/fops.c b/drivers/char/drm/fops.c index 24b17356b..a823db356 100644 --- a/drivers/char/drm/fops.c +++ b/drivers/char/drm/fops.c @@ -1,8 +1,7 @@ /* fops.c -- File operations for DRM -*- linux-c -*- * Created: Mon Jan 4 08:58:31 1999 by faith@precisioninsight.com - * Revised: Fri Dec 3 10:26:26 1999 by faith@precisioninsight.com * - * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. + * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a @@ -24,8 +23,9 @@ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * - * $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/fops.c,v 1.3 1999/08/20 15:36:45 faith Exp $ - * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/fops.c,v 1.1 1999/09/25 14:37:59 dawes Exp $ + * Authors: + * Rickard E. (Rik) Faith <faith@precisioninsight.com> + * Daryll Strauss <daryll@precisioninsight.com> * */ @@ -222,3 +222,13 @@ int drm_write_string(drm_device_t *dev, const char *s) wake_up_interruptible(&dev->buf_readers); return 0; } + +unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait) +{ + drm_file_t *priv = filp->private_data; + drm_device_t *dev = priv->dev; + + poll_wait(filp, &dev->buf_readers, wait); + if (dev->buf_wp != dev->buf_rp) return POLLIN | POLLRDNORM; + return 0; +} |