autogen: add default patch prefix

(Ported from radeon commit 8e6a4e96b7b27559e186f71b5547abb0a80b96dd)
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/autogen.sh b/autogen.sh
index 0006de8..c814d5c 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -9,6 +9,9 @@ cd "$srcdir"
 autoreconf -v --install || exit 1
 cd "$ORIGDIR" || exit $?
 
+git config --local --get format.subjectPrefix >/dev/null 2>&1 ||
+    git config --local format.subjectPrefix "PATCH xf86-video-amdgpu"
+
 if test -z "$NOCONFIGURE"; then
     exec "$srcdir"/configure "$@"
 fi