From: kernel test robot <lkp@intel.com>
To: David Lechner <dlechner@baylibre.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
linux-kernel@vger.kernel.org, Mark Brown <broonie@kernel.org>,
Jonathan Cameron <Jonathan.Cameron@huawei.com>,
Nuno Sa <nuno.sa@analog.com>
Subject: drivers/gpu/drm/panel/panel-samsung-ld9040.c:240:12: warning: stack frame size (8344) exceeds limit (8192) in 'ld9040_prepare'
Date: Thu, 25 Dec 2025 04:41:20 +0800 [thread overview]
Message-ID: <202512250407.8W7HmLYR-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: b927546677c876e26eba308550207c2ddf812a43
commit: 700a281905f2a4ccf6f3b2d3cd6985e034b4b021 spi: add offload TX/RX streaming APIs
date: 11 months ago
config: x86_64-randconfig-013-20251225 (https://download.01.org/0day-ci/archive/20251225/202512250407.8W7HmLYR-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251225/202512250407.8W7HmLYR-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202512250407.8W7HmLYR-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/panel/panel-samsung-ld9040.c:240:12: warning: stack frame size (8344) exceeds limit (8192) in 'ld9040_prepare' [-Wframe-larger-than]
240 | static int ld9040_prepare(struct drm_panel *panel)
| ^
1 warning generated.
Kconfig warnings: (for reference only)
WARNING: unmet direct dependencies detected for FB_IOMEM_HELPERS
Depends on [n]: HAS_IOMEM [=y] && FB_CORE [=n]
Selected by [m]:
- DRM_XE_DISPLAY [=y] && HAS_IOMEM [=y] && DRM [=y] && DRM_XE [=m] && DRM_XE [=m]=m [=m] && HAS_IOPORT [=y]
vim +/ld9040_prepare +240 drivers/gpu/drm/panel/panel-samsung-ld9040.c
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 239
099b3e8699322e drivers/gpu/drm/panel/panel-ld9040.c Ajay Kumar 2014-07-31 @240 static int ld9040_prepare(struct drm_panel *panel)
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 241 {
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 242 struct ld9040 *ctx = panel_to_ld9040(panel);
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 243 int ret;
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 244
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 245 ret = ld9040_power_on(ctx);
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 246 if (ret < 0)
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 247 return ret;
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 248
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 249 ld9040_init(ctx);
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 250
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 251 ret = ld9040_clear_error(ctx);
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 252
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 253 if (ret < 0)
8141028278c2ea drivers/gpu/drm/panel/panel-ld9040.c Ajay Kumar 2014-07-31 254 ld9040_unprepare(panel);
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 255
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 256 return ret;
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 257 }
ff219937763253 drivers/gpu/drm/panel/panel-ld9040.c Andrzej Hajda 2014-03-26 258
:::::: The code at line 240 was first introduced by commit
:::::: 099b3e8699322efb7229913d2c1651588205f182 drm/panel: ld9040: Add dummy prepare and unprepare routines
:::::: TO: Ajay Kumar <ajaykumar.rs@samsung.com>
:::::: CC: Thierry Reding <treding@nvidia.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2025-12-24 20:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-24 20:41 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-08-19 2:29 drivers/gpu/drm/panel/panel-samsung-ld9040.c:240:12: warning: stack frame size (8344) exceeds limit (8192) in 'ld9040_prepare' kernel test robot
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