tree:
https://github.com/zen-kernel/zen-kernel 5.11/zen-sauce
head: 791993e1c1fd68c5c05295efabebb8b4b3579f3a
commit: 456aec2082a997b3bd1e27092eab880fc140119c [6/24] ZEN: Disable stack conservation
for GCC
config: mips-randconfig-m031-20210215 (attached as .config)
compiler: mipsel-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://github.com/zen-kernel/zen-kernel/commit/456aec2082a997b3bd1e27092...
git remote add zen-kernel-zen-kernel
https://github.com/zen-kernel/zen-kernel
git fetch --no-tags zen-kernel-zen-kernel 5.11/zen-sauce
git checkout 456aec2082a997b3bd1e27092eab880fc140119c
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/gpu/drm/drm_plane_helper.c: In function 'drm_primary_helper_update':
> drivers/gpu/drm/drm_plane_helper.c:126:14: warning:
'visible' is used uninitialized in this function [-Wuninitialized]
126
| .visible = *visible,
| ^~~~~~~~
drivers/gpu/drm/drm_plane_helper.c:178:7: note: 'visible' was declared here
178 | bool visible;
| ^~~~~~~
vim +/visible +126 drivers/gpu/drm/drm_plane_helper.c
c103d1cfb3543f Matt Roper 2014-04-01 100
84c0851794d40b Daniel Vetter 2018-10-04 101 static int
drm_plane_helper_check_update(struct drm_plane *plane,
df86af9133b495 Ville Syrjälä 2016-08-08 102 struct drm_crtc *crtc,
df86af9133b495 Ville Syrjälä 2016-08-08 103 struct drm_framebuffer *fb,
df86af9133b495 Ville Syrjälä 2016-08-08 104 struct drm_rect *src,
df86af9133b495 Ville Syrjälä 2016-08-08 105 struct drm_rect *dst,
df86af9133b495 Ville Syrjälä 2016-08-08 106 unsigned int rotation,
df86af9133b495 Ville Syrjälä 2016-08-08 107 int min_scale,
df86af9133b495 Ville Syrjälä 2016-08-08 108 int max_scale,
df86af9133b495 Ville Syrjälä 2016-08-08 109 bool can_position,
df86af9133b495 Ville Syrjälä 2016-08-08 110 bool can_update_disabled,
df86af9133b495 Ville Syrjälä 2016-08-08 111 bool *visible)
df86af9133b495 Ville Syrjälä 2016-08-08 112 {
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 113 struct drm_plane_state plane_state = {
df86af9133b495 Ville Syrjälä 2016-08-08 114 .plane = plane,
df86af9133b495 Ville Syrjälä 2016-08-08 115 .crtc = crtc,
df86af9133b495 Ville Syrjälä 2016-08-08 116 .fb = fb,
df86af9133b495 Ville Syrjälä 2016-08-08 117 .src_x = src->x1,
df86af9133b495 Ville Syrjälä 2016-08-08 118 .src_y = src->y1,
df86af9133b495 Ville Syrjälä 2016-08-08 119 .src_w = drm_rect_width(src),
df86af9133b495 Ville Syrjälä 2016-08-08 120 .src_h = drm_rect_height(src),
df86af9133b495 Ville Syrjälä 2016-08-08 121 .crtc_x = dst->x1,
df86af9133b495 Ville Syrjälä 2016-08-08 122 .crtc_y = dst->y1,
df86af9133b495 Ville Syrjälä 2016-08-08 123 .crtc_w = drm_rect_width(dst),
df86af9133b495 Ville Syrjälä 2016-08-08 124 .crtc_h = drm_rect_height(dst),
df86af9133b495 Ville Syrjälä 2016-08-08 125 .rotation = rotation,
df86af9133b495 Ville Syrjälä 2016-08-08 @126 .visible = *visible,
df86af9133b495 Ville Syrjälä 2016-08-08 127 };
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 128 struct drm_crtc_state crtc_state = {
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 129 .crtc = crtc,
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 130 .enable = crtc->enabled,
81af63a4af82e7 Ville Syrjälä 2018-01-23 131 .mode = crtc->mode,
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 132 };
df86af9133b495 Ville Syrjälä 2016-08-08 133 int ret;
df86af9133b495 Ville Syrjälä 2016-08-08 134
a01cb8ba3f6282 Ville Syrjälä 2017-11-01 135 ret =
drm_atomic_helper_check_plane_state(&plane_state, &crtc_state,
81af63a4af82e7 Ville Syrjälä 2018-01-23 136 min_scale, max_scale,
df86af9133b495 Ville Syrjälä 2016-08-08 137 can_position,
df86af9133b495 Ville Syrjälä 2016-08-08 138 can_update_disabled);
df86af9133b495 Ville Syrjälä 2016-08-08 139 if (ret)
df86af9133b495 Ville Syrjälä 2016-08-08 140 return ret;
df86af9133b495 Ville Syrjälä 2016-08-08 141
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 142 *src = plane_state.src;
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 143 *dst = plane_state.dst;
10b47ee02d1ae6 Ville Syrjälä 2017-11-01 144 *visible = plane_state.visible;
df86af9133b495 Ville Syrjälä 2016-08-08 145
df86af9133b495 Ville Syrjälä 2016-08-08 146 return 0;
df86af9133b495 Ville Syrjälä 2016-08-08 147 }
7daf8d54c17c6d Matt Roper 2014-05-29 148
:::::: The code at line 126 was first introduced by commit
:::::: df86af9133b4958a04c44828d29617eb1a6ff31c drm/plane-helper: Add
drm_plane_helper_check_state()
:::::: TO: Ville Syrjälä <ville.syrjala(a)linux.intel.com>
:::::: CC: Sean Paul <seanpaul(a)chromium.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org