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-rw-r--r--include/drm/drmP.h12
1 files changed, 10 insertions, 2 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 1f9e9516e2b..76caa67c22e 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -820,7 +820,7 @@ struct drm_driver {
* Specifically, the timestamp in @vblank_time should correspond as
* closely as possible to the time when the first video scanline of
* the video frame after the end of VBLANK will start scanning out,
- * the time immmediately after end of the VBLANK interval. If the
+ * the time immediately after end of the VBLANK interval. If the
* @crtc is currently inside VBLANK, this will be a time in the future.
* If the @crtc is currently scanning out a frame, this will be the
* past start time of the current scanout. This is meant to adhere
@@ -918,7 +918,7 @@ struct drm_driver {
int dev_priv_size;
struct drm_ioctl_desc *ioctls;
int num_ioctls;
- struct file_operations fops;
+ const struct file_operations *fops;
union {
struct pci_driver *pci;
struct platform_device *platform_device;
@@ -1696,5 +1696,13 @@ extern void drm_platform_exit(struct drm_driver *driver, struct platform_device
extern int drm_get_platform_dev(struct platform_device *pdev,
struct drm_driver *driver);
+/* returns true if currently okay to sleep */
+static __inline__ bool drm_can_sleep(void)
+{
+ if (in_atomic() || in_dbg_master() || irqs_disabled())
+ return false;
+ return true;
+}
+
#endif /* __KERNEL__ */
#endif