[modesetting-101] update mode count after fill_modes.

[platform/upstream/libdrm.git] / linux-core / drm_os_linux.h

diff --git a/linux-core/drm_os_linux.h b/linux-core/drm_os_linux.h
index 2688479..8921944 100644 (file)
--- a/linux-core/drm_os_linux.h
+++ b/linux-core/drm_os_linux.h
@@ -92,9 +92,9 @@ static __inline__ int mtrr_del(int reg, unsigned long base, unsigned long size)
 #define DRM_COPY_TO_USER(arg1, arg2, arg3)             \
        copy_to_user(arg1, arg2, arg3)
 /* Macros for copyfrom user, but checking readability only once */
-#define DRM_VERIFYAREA_READ( uaddr, size )             \
+#define DRM_VERIFYAREA_READ( uaddr, size )             \
        (access_ok( VERIFY_READ, uaddr, size) ? 0 : -EFAULT)
-#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3)         \
+#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
        __copy_from_user(arg1, arg2, arg3)
 #define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3)   \
        __copy_to_user(arg1, arg2, arg3)
@@ -129,3 +129,17 @@ do {                                                               \
 
 #define DRM_WAKEUP( queue ) wake_up_interruptible( queue )
 #define DRM_INIT_WAITQUEUE( queue ) init_waitqueue_head( queue )
+
+/** Type for the OS's non-sleepable mutex lock */
+#define DRM_SPINTYPE           spinlock_t
+/**
+ * Initialize the lock for use.  name is an optional string describing the
+ * lock
+ */
+#define DRM_SPININIT(l,name)   spin_lock_init(l)
+#define DRM_SPINUNINIT(l)
+#define DRM_SPINLOCK(l)                spin_lock(l)
+#define DRM_SPINUNLOCK(l)      spin_unlock(l)
+#define DRM_SPINLOCK_IRQSAVE(l, _flags)        spin_lock_irqsave(l, _flags);
+#define DRM_SPINUNLOCK_IRQRESTORE(l, _flags) spin_unlock_irqrestore(l, _flags);
+#define DRM_SPINLOCK_ASSERT(l)         do {} while (0)