diff -Nru libdrm-2.4.103/debian/changelog libdrm-2.4.103/debian/changelog
--- libdrm-2.4.103/debian/changelog	2020-11-10 17:51:20.000000000 +0000
+++ libdrm-2.4.103/debian/changelog	2020-11-17 14:15:31.000000000 +0000
@@ -1,3 +1,10 @@
+libdrm (2.4.103-1+rpi1) bullseye-staging; urgency=medium
+
+  [changes brought forward from 2.4.74-1+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Wed, 28 Jun 2017 21:14:42 +0000]
+  * Move valgrind to build-conflicts, the old version in raspbian breaks the build.
+
+ -- Raspbian forward porter <root@raspbian.org>  Tue, 17 Nov 2020 14:15:31 +0000
+
 libdrm (2.4.103-1) unstable; urgency=medium
 
   * New upstream release. (Closes: #970304)
diff -Nru libdrm-2.4.103/debian/control libdrm-2.4.103/debian/control
--- libdrm-2.4.103/debian/control	2020-11-10 17:45:50.000000000 +0000
+++ libdrm-2.4.103/debian/control	2020-11-17 14:15:31.000000000 +0000
@@ -13,7 +13,8 @@
  xutils-dev (>= 1:7.6+2),
  libudev-dev [linux-any],
  libpciaccess-dev,
- valgrind [amd64 armhf i386 mips mipsel powerpc s390x],
+Build-conflicts:
+ Valgrind
 Standards-Version: 4.5.0
 Section: libs
 Vcs-Git: https://salsa.debian.org/xorg-team/lib/libdrm