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authorDaryll Strauss <daryll@users.sourceforge.net>2000-01-12 21:47:44 +0000
committerDaryll Strauss <daryll@users.sourceforge.net>2000-01-12 21:47:44 +0000
commitaa724a52b9e3b5fa6a768629e2d403288432b7a8 (patch)
tree4942f6c4db16416111f46b0c9b88216e36dfbd22 /linux
parente83ae7576bca0dc248a03c8031b0cce37956aac4 (diff)
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.
Diffstat (limited to 'linux')
-rw-r--r--linux/drmP.h7
-rw-r--r--linux/fops.c11
-rw-r--r--linux/tdfx_drv.c3
3 files changed, 18 insertions, 3 deletions
diff --git a/linux/drmP.h b/linux/drmP.h
index e01cf28b..0d5f7b8f 100644
--- a/linux/drmP.h
+++ b/linux/drmP.h
@@ -25,7 +25,7 @@
* DEALINGS IN THE SOFTWARE.
*
* $PI: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.58 1999/08/30 13:05:00 faith Exp $
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.2 1999/12/14 01:33:56 robin Exp $
+ * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/drmP.h,v 1.1 1999/09/25 14:37:59 dawes Exp $
*
*/
@@ -49,6 +49,10 @@
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
+#include <asm/spinlock.h>
+#include <linux/poll.h>
+#endif
#include "drm.h"
#define DRM_DEBUG_CODE 2 /* Include debugging code (if > 1, then
@@ -478,6 +482,7 @@ extern int drm_fasync(int fd, struct file *filp, int on);
extern ssize_t drm_read(struct file *filp, char *buf, size_t count,
loff_t *off);
extern int drm_write_string(drm_device_t *dev, const char *s);
+extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
/* Mapping support (vm.c) */
#if LINUX_VERSION_CODE < 0x020317
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;
+}
diff --git a/linux/tdfx_drv.c b/linux/tdfx_drv.c
index 31924254..769d7adf 100644
--- a/linux/tdfx_drv.c
+++ b/linux/tdfx_drv.c
@@ -25,7 +25,7 @@
* DEALINGS IN THE SOFTWARE.
*
* $PI$
- * $XFree86: xc/programs/Xserver/hw/xfree86/os-support/linux/drm/kernel/tdfx_drv.c,v 1.1 1999/12/14 01:49:22 robin Exp $
+ * $XFree86$
*
*/
@@ -53,6 +53,7 @@ static struct file_operations tdfx_fops = {
mmap: drm_mmap,
read: drm_read,
fasync: drm_fasync,
+ poll: drm_poll
};
static struct miscdevice tdfx_misc = {