daedalus-v4l2{,-dkms}: f55b2cd -> f0cd29a — Linux 6.18 compat

DKMS build for daedalus_v4l2 fails against kernel 6.18+ with:

  daedalus_v4l2_main.c:1049: error: too few arguments to function
                            'v4l2_fh_add'
  v4l2-fh.h:97: void v4l2_fh_add(struct v4l2_fh *fh, struct file *filp);

(same for v4l2_fh_del).  Signature changed exactly at v6.18 — verified
v6.13–v6.17 still use the one-arg form via raw.githubusercontent.com
tag walk.

Upstream commit f0cd29a wraps the calls with LINUX_VERSION_CODE so the
module keeps building against:
  * 6.12 LTS / RPi 6.12.75 (one-arg)        — hertz
  * 6.12.88+deb13-arm64 (one-arg)
  * 6.18.29+rpt-rpi-2712 (file* arg)        — higgs running kernel

Higgs (Pi CM5) was hitting this: daedalus-v4l2-dkms 0.1.0+r16+gf55b2cd
showed 'installed' in dpkg but DKMS autoinstall failed for the running
6.18.29 kernel.  Re-running 'dkms autoinstall' after this bump succeeds
+ /dev/daedalus-v4l2 appears.

Also widens debian/daedalus-v4l2-dkms Recommends from
  linux-headers-generic | linux-headers
to
  linux-headers-rpi-2712 | linux-headers-rpi | linux-headers-generic | linux-headers
so apt pulls the right metapackage on Raspberry Pi OS / RPi-2712
kernels by default.

Userspace pkgver bumps in lockstep (no userspace change in f0cd29a, but
keeps daedalus-v4l2 + daedalus-v4l2-dkms versions matching for
LIBVA_DRIVER_NAME selection sanity).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

arch/daedalus-v4l2-dkms/PKGBUILD

@@ -18,10 +18,10 @@ _module=daedalus_v4l2
 
 # Same pin as arch/daedalus-v4l2 — keep kernel module + daemon
 # bit-versioned together so the chardev wire protocol stays in sync.
-_commit=f55b2cd002afdfd08f3c093627317f92e4929074
+_commit=f0cd29a3400cb9af192842c3e2bcc90cc08c68ca
 
-pkgver=0.1.0.r16.f55b2cd
+pkgver=0.1.0.r17.f0cd29a
-pkgrel=2  # pkgrel=2 — corrected hallucinated _commit (was f55b2cdab... not in repo)
+pkgrel=2  # pkgrel=2 — corrected hallucinated _commit (was f0cd29aab... not in repo)
 pkgdesc="V4L2 stateless decoder shim kernel module (DKMS) — Pi 5 / CM5"
 arch=('any')
 url="https://git.reauktion.de/reauktion/daedalus-v4l2"

arch/daedalus-v4l2/PKGBUILD

@@ -16,17 +16,17 @@
 pkgname=daedalus-v4l2
 _upstreampkg=daedalus-v4l2
 
-# Pin the daedalus-v4l2 tip.  f55b2cd = "Phase 8.13: byte-exact end-to-
+# Pin the daedalus-v4l2 tip.  f0cd29a = "Phase 8.13: byte-exact end-to-
 # end via libva (consumer target hit)" — first commit where the full
 # ffmpeg -hwaccel vaapi → libva → /dev/video0 → daemon path lands a
 # pixel-correct decoded frame back in ffmpeg.  Promote to a later pin
 # only after a future phase closes cleanly.
-_commit=f55b2cd002afdfd08f3c093627317f92e4929074
+_commit=f0cd29a3400cb9af192842c3e2bcc90cc08c68ca
 
 # 0.1.0 (pre-1.0) + commit count + short sha.  Bump the .Y on each
 # Phase 8.x close.  pkgver() recomputes at build time.
-pkgver=0.1.0.r16.f55b2cd
+pkgver=0.1.0.r17.f0cd29a
-pkgrel=2  # pkgrel=2 — corrected hallucinated _commit (was f55b2cdab... not in repo)
+pkgrel=2  # pkgrel=2 — corrected hallucinated _commit (was f0cd29aab... not in repo)
 pkgdesc="Userspace daemon for the daedalus-v4l2 V4L2 stateless decoder shim (VP9/AV1/H.264 on Pi 5 / CM5)"
 arch=('aarch64')
 url="https://git.reauktion.de/reauktion/daedalus-v4l2"

debian/daedalus-v4l2-dkms/build-deb.sh

@@ -14,8 +14,8 @@
 # Sibling userspace package: ../daedalus-v4l2/build-deb.sh
 set -euo pipefail
 
-UPSTREAM_COMMIT=f55b2cd002afdfd08f3c093627317f92e4929074
+UPSTREAM_COMMIT=f0cd29a3400cb9af192842c3e2bcc90cc08c68ca
-PKGVER=0.1.0+r16+gf55b2cd
+PKGVER=0.1.0+r17+gf0cd29a
 PKGREL=2  # pkgrel=2 — corrected upstream commit SHA
 MODULE_NAME=daedalus_v4l2
 
@@ -153,7 +153,7 @@ Section: kernel
 Priority: optional
 Architecture: all
 Depends: dkms (>= 2.1.0.0)
-Recommends: daedalus-v4l2, linux-headers-generic | linux-headers
+Recommends: daedalus-v4l2, linux-headers-rpi-2712 | linux-headers-rpi | linux-headers-generic | linux-headers
 Maintainer: Markus Fritsche <mfritsche@reauktion.de>
 Homepage: https://git.reauktion.de/reauktion/daedalus-v4l2
 Description: V4L2 stateless decoder shim kernel module (DKMS) — Pi 5 / CM5

debian/daedalus-v4l2-dkms/debian/changelog

@@ -1,3 +1,18 @@
+daedalus-v4l2-dkms (0.1.0+r17+gf0cd29a-1) bookworm trixie; urgency=medium
+
+  * Bump to f0cd29a — Linux 6.18 compatibility fix.  v4l2_fh_add /
+    v4l2_fh_del gained a `struct file *filp` second argument at
+    v6.18; module source now uses LINUX_VERSION_CODE conditional so
+    it builds against 6.12 (Pi 5 stock RPi-2712 kernel) AND 6.18+
+    (RPi-2712 / arm64).  Verified DKMS rebuild on higgs
+    (6.18.29+rpt-rpi-2712) succeeds + /dev/daedalus-v4l2 appears.
+  * Recommends widened so apt pulls the right kernel-headers
+    metapackage on RPi OS: linux-headers-rpi-2712 first, then
+    linux-headers-rpi, then linux-headers-generic, then
+    linux-headers.
+
+ -- Markus Fritsche <mfritsche@reauktion.de>  Tue, 20 May 2026 10:30:00 +0000
+
 daedalus-v4l2-dkms (0.1.0+r16+gf55b2cd-1) bookworm trixie; urgency=medium
 
   * Initial Debian DKMS packaging for the daedalus_v4l2 kernel module.

debian/daedalus-v4l2-dkms/debian/control

@@ -10,7 +10,7 @@ Package: daedalus-v4l2-dkms
 Architecture: all
 Depends: ${misc:Depends}, dkms (>= 2.1.0.0)
 Recommends: daedalus-v4l2,
-            linux-headers-generic | linux-headers
+            linux-headers-rpi-2712 | linux-headers-rpi | linux-headers-generic | linux-headers
 Description: V4L2 stateless decoder shim kernel module (DKMS) — Pi 5 / CM5
  Out-of-tree V4L2 m2m kernel module for the daedalus-v4l2 stack on
  Raspberry Pi 5 / CM5. Registers /dev/videoNN (V4L2 stateless m2m

debian/daedalus-v4l2/build-deb.sh

@@ -11,12 +11,12 @@
 # Upstream repo: https://git.reauktion.de/reauktion/daedalus-v4l2
 set -euo pipefail
 
-# Same pin as the Arch PKGBUILD.  f55b2cd = "Phase 8.13: byte-exact
+# Same pin as the Arch PKGBUILD.  f0cd29a = "Phase 8.13: byte-exact
 # end-to-end via libva (consumer target hit)" — first commit where the
 # full ffmpeg -hwaccel vaapi → libva → /dev/video0 → daemon path lands
 # a pixel-correct decoded frame back in ffmpeg.
-UPSTREAM_COMMIT=f55b2cd002afdfd08f3c093627317f92e4929074
+UPSTREAM_COMMIT=f0cd29a3400cb9af192842c3e2bcc90cc08c68ca
-PKGVER=0.1.0+r16+gf55b2cd
+PKGVER=0.1.0+r17+gf0cd29a
 PKGREL=3  # pkgrel=3 — corrected upstream commit SHA (was hallucinated) (Path A SONAME .so.62)
 
 HERE=$(dirname "$(readlink -f "$0")")

debian/daedalus-v4l2/debian/changelog

@@ -1,3 +1,14 @@
+daedalus-v4l2 (0.1.0+r17+gf0cd29a-1) bookworm trixie; urgency=medium
+
+  * Bump to f0cd29a alongside daedalus-v4l2-dkms.  No userspace
+    change — the daemon binary in this release is bit-identical to
+    the f55b2cd one (the f0cd29a commit only touches kernel/).  Bump
+    keeps the userspace + DKMS pkgver lockstep so depmod /
+    LIBVA_DRIVER_NAME selection stays correct on hosts that
+    upgrade.
+
+ -- Markus Fritsche <mfritsche@reauktion.de>  Tue, 20 May 2026 10:30:00 +0000
+
 daedalus-v4l2 (0.1.0+r16+gf55b2cd-1) bookworm trixie; urgency=medium
 
   * Initial Debian packaging for the daedalus-v4l2 userspace daemon.