[src/trunk]: src/sys/external/bsd/drm2/dist/drm const for cast before read.

[riastradh <riastradh%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/04709745c452
branches:  trunk
changeset: 1027824:04709745c452
user:      riastradh <riastradh%NetBSD.org@localhost>
date:      Sun Dec 19 00:49:51 2021 +0000

description:
const for cast before read.

diffstat:

 sys/external/bsd/drm2/dist/drm/drm_blend.c |  8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diffs (29 lines):

diff -r d067d5316c3a -r 04709745c452 sys/external/bsd/drm2/dist/drm/drm_blend.c
--- a/sys/external/bsd/drm2/dist/drm/drm_blend.c        Sun Dec 19 00:49:43 2021 +0000
+++ b/sys/external/bsd/drm2/dist/drm/drm_blend.c        Sun Dec 19 00:49:51 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: drm_blend.c,v 1.2 2021/12/18 23:44:57 riastradh Exp $  */
+/*     $NetBSD: drm_blend.c,v 1.3 2021/12/19 00:49:51 riastradh Exp $  */
 
 /*
  * Copyright (C) 2016 Samsung Electronics Co.Ltd
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: drm_blend.c,v 1.2 2021/12/18 23:44:57 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: drm_blend.c,v 1.3 2021/12/19 00:49:51 riastradh Exp $");
 
 #include <linux/export.h>
 #include <linux/slab.h>
@@ -420,8 +420,8 @@
 
 static int drm_atomic_state_zpos_cmp(const void *a, const void *b)
 {
-       const struct drm_plane_state *sa = *(struct drm_plane_state **)a;
-       const struct drm_plane_state *sb = *(struct drm_plane_state **)b;
+       const struct drm_plane_state *sa = *(struct drm_plane_state *const *)a;
+       const struct drm_plane_state *sb = *(struct drm_plane_state *const *)b;
 
        if (sa->zpos != sb->zpos)
                return sa->zpos - sb->zpos;