[PATCH i-g-t v10 2/5] tools/gputop.src/utils: Add clamp macro to remove dependency on lib/xe/*

[Soham Purkait <soham.purkait@intel.com>]

Add clamp helper macro to utils.h to remove dependency on lib/xe/*

Signed-off-by: Soham Purkait <soham.purkait@intel.com>
Reviewed-by: Kamil Konieczny <kamil.konieczny@linux.intel.com>
---
 tools/gputop.src/utils.h | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/tools/gputop.src/utils.h b/tools/gputop.src/utils.h
index 00befed56..981c23bb0 100644
--- a/tools/gputop.src/utils.h
+++ b/tools/gputop.src/utils.h
@@ -1,12 +1,11 @@
 /* SPDX-License-Identifier: MIT */
 /*
- * Copyright © 2025 Intel Corporation
+ * Copyright © 2025-2026 Intel Corporation
  */
 
 #ifndef COMMON_GPUTOP_H
 #define COMMON_GPUTOP_H
 
-#include <glib.h>
 #include <math.h>
 #include <stdbool.h>
 #include <stdio.h>
@@ -19,6 +18,16 @@
 
 #define PERCLIENT_ENGINE_WIDTH 8
 
+#ifndef clamp
+#define clamp(val, lo, hi)			\
+({						\
+	__typeof__(val) _v = (val);		\
+	__typeof__(lo)  _lo = (lo);		\
+	__typeof__(hi)  _hi = (hi);		\
+	_v < _lo ? _lo : (_v > _hi ? _hi : _v);	\
+})
+#endif
+
 /**
  * struct gputop_driver
  *
@@ -50,7 +59,7 @@ struct device_operations {
 			    struct igt_device_card *card);
 	void *(*init_engines)(const void *obj, int index);
 	int (*pmu_init)(const void *obj, int index);
-	void (*pmu_sample)(const void *obj, int index);
+	int (*pmu_sample)(const void *obj, int index);
 	int (*print_engines)(const void *obj, int index, int lines,
 			     int w, int h);
 	void (*clean_up)(void *obj, int len);
-- 
2.34.1