libdrm: Move intel_atomic.h to libdrm core for sharing.

intel_atomic.h includes very usefull atomic operations for
lock free parrallel access of variables. Moving these to
core libdrm for code sharing with radeon.

Signed-off-by: Pauli Nieminen <suokkos@gmail.com>

Makefile.am

@@ -56,6 +56,7 @@ libdrm_la_SOURCES =				\
 	xf86drmRandom.c				\
 	xf86drmSL.c				\
 	xf86drmMode.c				\
+	xf86atomic.h				\
 	libdrm_lists.h
 
 libdrmincludedir = ${includedir}

configure.ac

@@ -198,7 +198,7 @@ if test "x$INTEL" != "xno"; then
 
     ])
     if test "x$drm_cv_atomic_primitives" = xIntel; then
-	    AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1,
+	    AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1,
 		      [Enable if your compiler supports the Intel __sync_* atomic primitives])
     fi
     if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then

intel/Makefile.am

@@ -35,7 +35,6 @@ libdrm_intel_la_LDFLAGS = -version-number 1:0:0 -no-undefined
 libdrm_intel_la_LIBADD = ../libdrm.la @PTHREADSTUBS_LIBS@ @CLOCK_LIB@
 
 libdrm_intel_la_SOURCES = \
-	intel_atomic.h \
 	intel_bufmgr.c \
 	intel_bufmgr_priv.h \
 	intel_bufmgr_fake.c \

intel/intel_bufmgr_gem.c

@@ -39,6 +39,7 @@
 #endif
 
 #include <xf86drm.h>
+#include <xf86atomic.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -53,7 +54,6 @@
 
 #include "errno.h"
 #include "libdrm_lists.h"
-#include "intel_atomic.h"
 #include "intel_bufmgr.h"
 #include "intel_bufmgr_priv.h"
 #include "intel_chipset.h"

xf86atomic.h

@@ -26,19 +26,19 @@
  */
 
 /**
- * @file intel_atomics.h
+ * @file xf86atomics.h
  *
  * Private definitions for atomic operations
  */
 
-#ifndef INTEL_ATOMICS_H
-#define INTEL_ATOMICS_H
+#ifndef LIBDRM_ATOMICS_H
+#define LIBDRM_ATOMICS_H
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#if HAVE_INTEL_ATOMIC_PRIMITIVES
+#if HAVE_LIBDRM_ATOMIC_PRIMITIVES
 
 #define HAS_ATOMIC_OPS 1
 
@@ -87,7 +87,7 @@ typedef struct { uint_t atomic; } atomic_t;
 #endif
 
 #if ! HAS_ATOMIC_OPS
-#error libdrm-intel requires atomic operations, please define them for your CPU/compiler.
+#error libdrm requires atomic operations, please define them for your CPU/compiler.
 #endif
 
 #endif