drm: export drm_timeout_abs_to_jiffies

For other driver like lima usage.

Cc: Rob Herring <robh@kernel.org>
Signed-off-by: NQiang Yu <yuq825@gmail.com>
Signed-off-by: NRob Herring <robh@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190225140717.20586-2-yuq825@gmail.com

drivers/gpu/drm/drm_syncobj.c

@@ -731,7 +731,7 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs,
  *
  * Calculate the timeout in jiffies from an absolute time in sec/nsec.
  */
-static signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec)
+signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec)
 {
 	ktime_t abs_timeout, now;
 	u64 timeout_ns, timeout_jiffies64;
@@ -755,6 +755,7 @@ static signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec)
 
 	return timeout_jiffies64 + 1;
 }
+EXPORT_SYMBOL(drm_timeout_abs_to_jiffies);
 
 static int drm_syncobj_array_wait(struct drm_device *dev,
 				  struct drm_file *file_private,

include/drm/drm_utils.h

@@ -10,6 +10,10 @@
 #ifndef __DRM_UTILS_H__
 #define __DRM_UTILS_H__
 
+#include <linux/types.h>
+
 int drm_get_panel_orientation_quirk(int width, int height);
 
+signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec);
+
 #endif