[PATCH 04/40] include: drm: drm_atomic: Make use of 'new_plane_state'
Lee Jones
lee.jones at linaro.org
Fri Apr 16 14:36:49 UTC 2021
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.lankhorst at linux.intel.com>
Cc: Maxime Ripard <mripard at kernel.org>
Cc: Thomas Zimmermann <tzimmermann at suse.de>
Cc: David Airlie <airlied at linux.ie>
Cc: Daniel Vetter <daniel at ffwll.ch>
Cc: Rob Clark <robdclark at gmail.com>
Cc: dri-devel at lists.freedesktop.org
Signed-off-by: Lee Jones <lee.jones at 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 ac5a28eff2c86..259e6970dc836 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -871,7 +871,8 @@ 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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