radv,anv: use CLOCK_MONOTONIC_FAST when CLOCK_MONOTONIC_RAW is undefined

CLOCK_MONOTONIC_FAST is a similar clock from FreeBSD.

Acked-by: Eric Engestrom <eric.engestrom@intel.com>
Reviewed-by: Matt Turner <mattst88@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6995>

src/amd/vulkan/radv_device.c

@@ -56,6 +56,11 @@
 #include "compiler/glsl_types.h"
 #include "util/driconf.h"
 
+/* The "RAW" clocks on Linux are called "FAST" on FreeBSD */
+#if !defined(CLOCK_MONOTONIC_RAW) && defined(CLOCK_MONOTONIC_FAST)
+#define CLOCK_MONOTONIC_RAW CLOCK_MONOTONIC_FAST
+#endif
+
 static struct radv_timeline_point *
 radv_timeline_find_point_at_least_locked(struct radv_device *device,
                                          struct radv_timeline *timeline,

src/intel/vulkan/anv_device.c

@@ -70,6 +70,11 @@ static const driOptionDescription anv_dri_options[] = {
 /* Render engine timestamp register */
 #define TIMESTAMP 0x2358
 
+/* The "RAW" clocks on Linux are called "FAST" on FreeBSD */
+#if !defined(CLOCK_MONOTONIC_RAW) && defined(CLOCK_MONOTONIC_FAST)
+#define CLOCK_MONOTONIC_RAW CLOCK_MONOTONIC_FAST
+#endif
+
 static void
 compiler_debug_log(void *data, const char *fmt, ...)
 {