drm: add create gpu tree script

scripts/create_lk_gpu.sh

@@ -0,0 +1,58 @@
+#! /bin/bash
+# script to create a Linux Kernel tree from the DRM tree for diffing etc..
+#
+# Original author - Dave Airlie (C) 2004 - airlied@linux.ie
+# kernel_version to remove below (e.g. 2.6.24)
+
+if [ $# -lt 2 ] ;then
+	echo usage: $0 output_dir kernel_version
+	exit 1
+fi
+
+if [ ! -d shared-core -o ! -d linux-core ]  ;then
+	echo not in DRM toplevel
+	exit 1
+fi
+
+DRMDIR=$1/drivers/gpu/drm/
+HDRDIR=$1/include/drm/
+KERNEL_VERS=$2
+echo "Copying kernel independent files"
+mkdir -p $DRMDIR/.tmp
+mkdir -p $HDRDIR/.tmp
+
+( cd linux-core/ ; make drm_pciids.h )
+cp shared-core/*.[ch] $DRMDIR/.tmp
+cp linux-core/*.[ch] $DRMDIR/.tmp
+cp linux-core/Makefile.kernel $DRMDIR/.tmp/Makefile
+
+echo "Copying 2.6 Kernel files"
+cp linux-core/Kconfig $DRMDIR/.tmp
+
+./scripts/drm-scripts-gentree.pl $KERNEL_VERS $DRMDIR/.tmp $DRMDIR
+mv $DRMDIR/drm*.h $HDRDIR
+mv $DRMDIR/*_drm.h $HDRDIR
+
+cd $DRMDIR
+rm -rf .tmp
+rm via_ds.[ch]
+rm sis_ds.[ch]
+rm amd*.[ch]
+rm radeon_ms*.[ch]
+
+for i in radeon mach64 r128 mga i915 i810 via savage sis xgi nouveau tdfx ffb imagine
+do
+mkdir ./$i
+mv $i*.[ch] $i/
+done
+
+mv r300*.[ch] radeon/
+mv r600*.[ch] radeon/
+mv ObjectID.h radeon/
+mv atom*.[ch] radeon/
+
+mv nv*.[ch] nouveau/
+mv intel*.[ch] i915/
+mv dvo*.[ch] i915/
+
+cd -