1 files changed, 44 insertions, 0 deletions

diff --git a/meta-moblin/packages/linux/linux-moblin-2.6.27-rc6/0018-i915-gem-install-and-uninstall-irq-handler-in-enter.patch b/meta-moblin/packages/linux/linux-moblin-2.6.27-rc6/0018-i915-gem-install-and-uninstall-irq-handler-in-enter.patch
new file mode 100644
index 0000000000..3593fa5826
--- /dev/null
+++ b/meta-moblin/packages/linux/linux-moblin-2.6.27-rc6/0018-i915-gem-install-and-uninstall-irq-handler-in-enter.patch
@@ -0,0 +1,44 @@
+commit 7ad6d5861b04bbb2cdc36d1dcf8989e16f86e659
+Author: Kristian Høgsberg <krh@redhat.com>
+Date:   Wed Aug 20 11:04:27 2008 -0400
+
+    i915 gem: install and uninstall irq handler in entervt and leavevt ioctls.
+    
+    Signed-off-by: Kristian Høgsberg <krh@redhat.com>
+    Signed-off-by: Eric Anholt <eric@anholt.net>
+
+diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
+index bb6e5a3..5fe5034 100644
+--- a/drivers/gpu/drm/i915/i915_gem.c
++++ b/drivers/gpu/drm/i915/i915_gem.c
+@@ -2443,6 +2443,9 @@ i915_gem_entervt_ioctl(struct drm_device *dev, void *data,
+        BUG_ON(!list_empty(&dev_priv->mm.request_list));
+        dev_priv->mm.suspended = 0;
+        mutex_unlock(&dev->struct_mutex);
++
++       drm_irq_install(dev);
++
+        return 0;
+ }
+ 
+@@ -2458,6 +2461,8 @@ i915_gem_leavevt_ioctl(struct drm_device *dev, void *data,
+                i915_gem_cleanup_ringbuffer(dev);
+        mutex_unlock(&dev->struct_mutex);
+ 
++       drm_irq_uninstall(dev);
++
+        return 0;
+ }
+ 
+diff --git a/include/drm/drmP.h b/include/drm/drmP.h
+index 1469a1b..51ee72c 100644
+--- a/include/drm/drmP.h
++++ b/include/drm/drmP.h
+@@ -1134,6 +1134,7 @@ extern void drm_core_reclaim_buffers(struct drm_device *dev,
+ extern int drm_control(struct drm_device *dev, void *data,
+                       struct drm_file *file_priv);
+ extern irqreturn_t drm_irq_handler(DRM_IRQ_ARGS);
++extern int drm_irq_install(struct drm_device *dev);
+ extern int drm_irq_uninstall(struct drm_device *dev);
+ extern void drm_driver_irq_preinstall(struct drm_device *dev);
+ extern void drm_driver_irq_postinstall(struct drm_device *dev);