1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h
index 54b561e69486..71b8b32b075f 100644
--- a/drivers/char/drm/drmP.h
+++ b/drivers/char/drm/drmP.h
@@ -57,6 +57,7 @@
 #include <linux/smp_lock.h>     /* For (un)lock_kernel */
 #include <linux/mm.h>
 #include <linux/cdev.h>
+#include <linux/mutex.h>
 #if defined(__alpha__) || defined(__powerpc__)
 #include <asm/pgtable.h>        /* For pte_wrprotect */
 #endif
@@ -623,7 +624,7 @@ typedef struct drm_device {
         /** \name Locks */
         /*@{ */
         spinlock_t count_lock;          /**< For inuse, drm_device::open_count, drm_device::buf_use */
-        struct semaphore struct_sem;    /**< For others */
+        struct mutex struct_mutex;      /**< For others */
         /*@} */
 
         /** \name Usage Counters */
@@ -658,7 +659,7 @@ typedef struct drm_device {
         /*@{ */
         drm_ctx_list_t *ctxlist;        /**< Linked list of context handles */
         int ctx_count;                  /**< Number of context handles */
-        struct semaphore ctxlist_sem;   /**< For ctxlist */
+        struct mutex ctxlist_mutex;     /**< For ctxlist */
 
         drm_map_t **context_sareas;         /**< per-context SAREA's */
         int max_context;