diff -Nru dav1d-0.9.1/debian/changelog dav1d-0.9.1/debian/changelog
--- dav1d-0.9.1/debian/changelog	2021-09-06 18:20:36.000000000 +0000
+++ dav1d-0.9.1/debian/changelog	2021-09-16 12:13:55.000000000 +0000
@@ -1,3 +1,11 @@
+dav1d (0.9.1-2+rpi1) bookworm-staging; urgency=medium
+
+  [changes brought forward from 0.7.1-3+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Sun, 12 Jul 2020 23:43:27 +0000]
+  * Disable asm, it seems to cause the resulting binary to come out
+    armv7 contaminated.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Thu, 16 Sep 2021 12:13:55 +0000
+
 dav1d (0.9.1-2) unstable; urgency=medium
 
   * Upload to unstable.
diff -Nru dav1d-0.9.1/debian/rules dav1d-0.9.1/debian/rules
--- dav1d-0.9.1/debian/rules	2021-09-06 18:20:36.000000000 +0000
+++ dav1d-0.9.1/debian/rules	2021-09-16 12:13:55.000000000 +0000
@@ -7,6 +7,8 @@
 
 CONFIG_ARGS:=	--buildtype="release"
 
+CONFIG_ARGS+=	-Denable_asm=false
+
 # Should be fixed in upstream makefile since 0.8.0
 # https://code.videolan.org/videolan/dav1d/-/commit/725f37684d
 #DEB_HOST_ARCH?=$(shell dpkg-architecture -qDEB_HOST_ARCH)