iris: move get_time into a static in bufmgr code.

This ends up polluting the namespace if you build iris/crocus
at once, just move it to where it's used for now.

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10308>

src/gallium/drivers/iris/iris_bufmgr.c

@@ -101,6 +101,19 @@
 
 #define FILE_DEBUG_FLAG DEBUG_BUFMGR
 
+/**
+ * For debugging purposes, this returns a time in seconds.
+ */
+static double
+get_time(void)
+{
+   struct timespec tp;
+
+   clock_gettime(CLOCK_MONOTONIC, &tp);
+
+   return tp.tv_sec + tp.tv_nsec / 1000000000.0;
+}
+
 static inline int
 atomic_add_unless(int *v, int add, int unless)
 {

src/gallium/drivers/iris/iris_context.c

@@ -36,19 +36,6 @@
 #include "common/intel_defines.h"
 #include "common/intel_sample_positions.h"
 
-/**
- * For debugging purposes, this returns a time in seconds.
- */
-double
-get_time(void)
-{
-   struct timespec tp;
-
-   clock_gettime(CLOCK_MONOTONIC, &tp);
-
-   return tp.tv_sec + tp.tv_nsec / 1000000000.0;
-}
-
 /**
  * The pipe->set_debug_callback() driver hook.
  */

src/gallium/drivers/iris/iris_context.h

@@ -814,8 +814,6 @@ struct iris_context {
       pipe_debug_message(dbg, PERF_INFO, __VA_ARGS__); \
 } while(0)
 
-double get_time(void);
-
 struct pipe_context *
 iris_create_context(struct pipe_screen *screen, void *priv, unsigned flags);