diff --git a/graphics/igt-gpu-tools/files/patch-lib_igt__core.h b/graphics/igt-gpu-tools/files/patch-lib_igt__core.h
index 42c8b79da821..38659894f470 100644
--- a/graphics/igt-gpu-tools/files/patch-lib_igt__core.h
+++ b/graphics/igt-gpu-tools/files/patch-lib_igt__core.h
@@ -1,23 +1,36 @@
---- lib/igt_core.h.orig	2022-08-31 20:00:01 UTC
+--- lib/igt_core.h.orig	2022-08-30 07:06:59 UTC
 +++ lib/igt_core.h
-@@ -31,7 +31,9 @@
+@@ -31,7 +31,11 @@
  #define IGT_CORE_H
  
  #include <assert.h>
 +#ifdef __linux__
  #include <byteswap.h>
++#elif defined(__FreeBSD__)
++#include <sys/endian.h>
 +#endif
  #include <setjmp.h>
  #include <stdbool.h>
  #include <stdint.h>
-@@ -47,6 +49,10 @@
+@@ -47,6 +51,10 @@
  #define IGT_LOG_DOMAIN (NULL)
  #endif
  
 +#ifdef __FreeBSD__
 +#include <signal.h>
 +#define	jmp_buf	sigjmp_buf
 +#endif
  
  #ifndef STATIC_ANALYSIS_BUILD
  #if defined(__clang_analyzer__) || defined(__COVERITY__) || defined(__KLOCWORK__)
+@@ -1449,8 +1457,8 @@ void igt_kmsg(const char *format, ...);
+ #define WRITE_ONCE(x, v) do *(volatile typeof(x) *)(&(x)) = (v); while (0)
+ 
+ #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+-#define cpu_to_le32(x)  bswap_32(x)
+-#define le32_to_cpu(x)  bswap_32(x)
++#define cpu_to_le32(x)  bswap32(x)
++#define le32_to_cpu(x)  bswap32(x)
+ #else
+ #define cpu_to_le32(x)  (x)
+ #define le32_to_cpu(x)  (x)