=== patch --dry-run --forward output (proves fix.diff applies cleanly) ===
cmd: cd /usr/src && patch -p1 --dry-run --forward < DF-1476.diff

APPLIES_OK (verified 2026-07-21 on with-src #0 baseline)

--- fix.diff hunk summary ---
@@ -1408,7 +1408,7 @@
+	sc->match->driver->install_gtt_pte(intel_agp, pg, addr, flags);