1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 0a0a8b199ecc..068c56d4e652 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -137,6 +137,8 @@
 static void __devinit get_initial_mode(struct intelfb_info *dinfo);
 static void update_dinfo(struct intelfb_info *dinfo,
                          struct fb_var_screeninfo *var);
+static int intelfb_open(struct fb_info *info, int user);
+static int intelfb_release(struct fb_info *info, int user);
 static int intelfb_check_var(struct fb_var_screeninfo *var,
                              struct fb_info *info);
 static int intelfb_set_par(struct fb_info *info);
@@ -195,6 +197,8 @@ static int num_registered = 0;
 /* fb ops */
 static struct fb_ops intel_fb_ops = {
         .owner =                THIS_MODULE,
+        .fb_open =              intelfb_open,
+        .fb_release =           intelfb_release,
         .fb_check_var =         intelfb_check_var,
         .fb_set_par =           intelfb_set_par,
         .fb_setcolreg =         intelfb_setcolreg,
@@ -447,6 +451,8 @@ cleanup(struct intelfb_info *dinfo)
         if (!dinfo)
                 return;
 
+        intelfbhw_disable_irq(dinfo);
+
         fb_dealloc_cmap(&dinfo->info->cmap);
         kfree(dinfo->info->pixmap.addr);
 
@@ -889,6 +895,11 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
         }
 
         dinfo->registered = 1;
+        dinfo->open = 0;
+
+        init_waitqueue_head(&dinfo->vsync.wait);
+        spin_lock_init(&dinfo->int_lock);
+        dinfo->irq_flags = 0;
 
         return 0;
 
@@ -1189,6 +1200,34 @@ update_dinfo(struct intelfb_info *dinfo, struct fb_var_screeninfo *var)
  ***************************************************************/
 
 static int
+intelfb_open(struct fb_info *info, int user)
+{
+        struct intelfb_info *dinfo = GET_DINFO(info);
+
+        if (user) {
+                dinfo->open++;
+        }
+
+        return 0;
+}
+
+static int
+intelfb_release(struct fb_info *info, int user)
+{
+        struct intelfb_info *dinfo = GET_DINFO(info);
+
+        if (user) {
+                dinfo->open--;
+                msleep(1);
+                if (!dinfo->open) {
+                        intelfbhw_disable_irq(dinfo);
+                }
+        }
+
+        return 0;
+}
+
+static int
 intelfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 {
         int change_var = 0;