Add a drm_poll function to the tdfx driver. This fixes the problem with

3.9.17 where the server hangs when the mouse is first moved.

1 files changed, 10 insertions, 1 deletions

diff --git a/linux/fops.c b/linux/fops.c
index 39bfdbb8..0bdf2135 100644
--- a/linux/fops.c
+++ b/linux/fops.c
@@ -25,7 +25,7 @@
  * 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 1.2 1999/12/14 01:33:56 robin 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 $
  *
  */
 
@@ -221,3 +221,12 @@ 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;
+}