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-de...@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