D3710.id8883.diff
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	Index: sys/dev/drm2/drm_lock.c
	===================================================================
	--- sys/dev/drm2/drm_lock.c
	+++ sys/dev/drm2/drm_lock.c
	@@ -38,10 +38,12 @@

	#include <dev/drm2/drmP.h>

	+#if defined(__linux__)
	static int drm_notifier(void *priv);
	+#endif

	static int drm_lock_take(struct drm_lock_data *lock_data, unsigned int context);

	/**
	* Lock ioctl.
	*
	@@ -284,6 +286,7 @@
	return 0;
	}

	+#if defined(__linux__)
	/**
	* If we get here, it means that the process has called DRM_IOCTL_LOCK
	* without calling DRM_IOCTL_UNLOCK.
	@@ -314,7 +317,8 @@
	} while (prev != old);
	return 0;
	}
	+#endif

	/**
	* This function returns immediately and takes the hw lock
	* with the kernel context if it is free, otherwise it gets the highest priority when and if