[PATCH v4 2/7] drm/bridge: tfp410: Set input_bus_flags in atomic_check
kernel test robot
lkp at intel.com
Tue Dec 1 14:29:42 UTC 2020
Hi Nikhil,
Thank you for the patch! Perhaps something to improve:
[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-exynos/exynos-drm-next tegra-drm/drm/tegra/for-next drm-tip/drm-tip linus/master v5.10-rc6 next-20201201]
[cannot apply to drm/drm-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Nikhil-Devshatwar/drm-tidss-Use-new-connector-model-for-tidss/20201201-202125
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: mips-randconfig-r023-20201201 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project ac40a2d8f16b8a8c68fc811d67f647740e965cb8)
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
# install mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://github.com/0day-ci/linux/commit/936e9f4e0dd9ad362b11e4cb6a240cdaec2b8b28
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Nikhil-Devshatwar/drm-tidss-Use-new-connector-model-for-tidss/20201201-202125
git checkout 936e9f4e0dd9ad362b11e4cb6a240cdaec2b8b28
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/bridge/ti-tfp410.c:236:5: warning: no previous prototype for function 'tfp410_atomic_check' [-Wmissing-prototypes]
int tfp410_atomic_check(struct drm_bridge *bridge,
^
drivers/gpu/drm/bridge/ti-tfp410.c:236:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int tfp410_atomic_check(struct drm_bridge *bridge,
^
static
drivers/gpu/drm/bridge/ti-tfp410.c:248:1: error: non-void function does not return a value [-Werror,-Wreturn-type]
}
^
1 warning and 1 error generated.
vim +/tfp410_atomic_check +236 drivers/gpu/drm/bridge/ti-tfp410.c
235
> 236 int tfp410_atomic_check(struct drm_bridge *bridge,
237 struct drm_bridge_state *bridge_state,
238 struct drm_crtc_state *crtc_state,
239 struct drm_connector_state *conn_state)
240 {
241 struct tfp410 *dvi = drm_bridge_to_tfp410(bridge);
242
243 /*
244 * There might be flags negotiation supported in future
245 * Set the bus flags in atomic_check statically for now
246 */
247 bridge_state->input_bus_cfg.flags = dvi->timings.input_bus_flags;
248 }
249
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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