✗ CI.checkpatch: warning for dpt flushing test run

[Patchwork]

== Series Details ==

Series: dpt flushing test run
URL   : https://patchwork.freedesktop.org/series/152113/
State : warning

== Summary ==

+ KERNEL=/kernel
+ git clone https://gitlab.freedesktop.org/drm/maintainer-tools mt
Cloning into 'mt'...
warning: redirecting to https://gitlab.freedesktop.org/drm/maintainer-tools.git/
+ git -C mt rev-list -n1 origin/master
63535c743231a7497a612c53f6edbb8a7d14412d
+ cd /kernel
+ git config --global --add safe.directory /kernel
+ git log -n1
commit 673f6e106ac6ae6389df682f3a20a894acc9bdaf
Author: Tvrtko Ursulin <tvrtko.ursulin at igalia.com>
Date:   Fri Jul 25 07:58:59 2025 +0100

    drm/xe: Handle DPT in system memory
    
    If DPT is allocated from system memory it will be created in the default
    write-back cached mode. This means we need to flush it after populating
    otherwise nothing works.
    
    Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at igalia.com>
+ /mt/dim checkpatch 9496b813b729fc1c22cbdc7cfb7a922915582107 drm-intel
403d03969305 drm/xe: Flush GGTT writes after populating DPT
-:72: WARNING:MEMORY_BARRIER: memory barrier without comment
#72: FILE: drivers/gpu/drm/xe/display/xe_fb_pin.c:115:
+	wmb();

total: 0 errors, 1 warnings, 0 checks, 66 lines checked
673f6e106ac6 drm/xe: Handle DPT in system memory