[PATCH libdrm 1/2] include: Factor out log2_int() function.

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Signed-off-by: Paul Gofman <pgofman@xxxxxxxxxxxxxxx>
---
 radeon/radeon_surface.c | 20 +-------------------
 util_math.h             | 14 ++++++++++++++
 xf86drm.c               | 16 ----------------
 3 files changed, 15 insertions(+), 35 deletions(-)

diff --git a/radeon/radeon_surface.c b/radeon/radeon_surface.c
index ea0a27a9..c59dcc83 100644
--- a/radeon/radeon_surface.c
+++ b/radeon/radeon_surface.c
@@ -38,6 +38,7 @@
 #include "xf86drm.h"
 #include "radeon_drm.h"
 #include "radeon_surface.h"
+#include "util_math.h"
 
 #define CIK_TILE_MODE_COLOR_2D			14
 #define CIK_TILE_MODE_COLOR_2D_SCANOUT		10
@@ -47,10 +48,6 @@
 #define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_512      3
 #define CIK_TILE_MODE_DEPTH_STENCIL_2D_TILESPLIT_ROW_SIZE 4
 
-#define ALIGN(value, alignment) (((value) + alignment - 1) & ~(alignment - 1))
-#define MAX2(A, B)              ((A) > (B) ? (A) : (B))
-#define MIN2(A, B)              ((A) < (B) ? (A) : (B))
-
 /* keep this private */
 enum radeon_family {
     CHIP_UNKNOWN,
@@ -887,21 +884,6 @@ static int eg_surface_init(struct radeon_surface_manager *surf_man,
     return r;
 }
 
-static unsigned log2_int(unsigned x)
-{
-    unsigned l;
-
-    if (x < 2) {
-        return 0;
-    }
-    for (l = 2; ; l++) {
-        if ((unsigned)(1 << l) > x) {
-            return l - 1;
-        }
-    }
-    return 0;
-}
-
 /* compute best tile_split, bankw, bankh, mtilea
  * depending on surface
  */
diff --git a/util_math.h b/util_math.h
index 35bf4512..e2fa95f5 100644
--- a/util_math.h
+++ b/util_math.h
@@ -31,4 +31,18 @@
 #define __align_mask(value, mask)  (((value) + (mask)) & ~(mask))
 #define ALIGN(value, alignment)    __align_mask(value, (__typeof__(value))((alignment) - 1))
 
+static inline unsigned log2_int(unsigned x)
+{
+    unsigned l;
+
+    if (x < 2) {
+        return 0;
+    }
+    for (l = 2; ; l++) {
+        if ((unsigned)(1 << l) > x) {
+            return l - 1;
+        }
+    }
+    return 0;
+}
 #endif /*_UTIL_MATH_H_*/
diff --git a/xf86drm.c b/xf86drm.c
index dbb7c14b..ca4738e1 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -124,22 +124,6 @@ static drmServerInfoPtr drm_server_info;
 static bool drmNodeIsDRM(int maj, int min);
 static char *drmGetMinorNameForFD(int fd, int type);
 
-static unsigned log2_int(unsigned x)
-{
-    unsigned l;
-
-    if (x < 2) {
-        return 0;
-    }
-    for (l = 2; ; l++) {
-        if ((unsigned)(1 << l) > x) {
-            return l - 1;
-        }
-    }
-    return 0;
-}
-
-
 drm_public void drmSetServerInfo(drmServerInfoPtr info)
 {
     drm_server_info = info;
-- 
2.28.0

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