In the macro for_each_oldnew_plane_in_state() 'new_plane_state' is provided
as a container for state->planes[i].new_state, but is not utilised in
some use-cases, so we fake-use it instead.
Fixes the following W=1 kernel build warning(s):
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: In function
‘amdgpu_dm_commit_cursors’:
drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:7649:44: warning:
variable ‘new_plane_state’ set but not used [-Wunused-but-set-variable]
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: Thomas Zimmermann <tzimmerm...@suse.de>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: Rob Clark <robdcl...@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jo...@linaro.org>
---
include/drm/drm_atomic.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index ce7023e9115d7..a71c19e1d785c 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -867,7 +867,8 @@ void drm_state_dump(struct drm_device *dev, struct
drm_printer *p);
((plane) = (__state)->planes[__i].ptr, \
(void)(plane) /* Only to avoid
unused-but-set-variable warning */, \
(old_plane_state) =
(__state)->planes[__i].old_state,\
- (new_plane_state) =
(__state)->planes[__i].new_state, 1))
+ (new_plane_state) =
(__state)->planes[__i].new_state, \
+ (void)(new_plane_state) /* Only to avoid
unused-but-set-variable warning */, 1))
/**
* for_each_oldnew_plane_in_state_reverse - iterate over all planes in an
atomic
--
2.27.0
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