[drm-misc:for-linux-next 3/9] drivers/gpu/drm/drm_atomic_helper.c:802: warning: expecting prototype for drm_atomic_helper_check_wb_connector_state(). Prototype was for drm_atomic_helper_check_wb_encoder_state() instead
kernel test robot
lkp at intel.com
Tue Sep 6 01:04:24 UTC 2022
tree: git://anongit.freedesktop.org/drm/drm-misc for-linux-next
head: 396369d6754993e40f1c84b2e22e40e92dfa4c49
commit: 254fe9c106ed69245fbe0beac582054c98a91482 [3/9] drm: drm_atomic_helper: Add a new helper to deal with the writeback connector validation
config: i386-randconfig-a011-20220905 (https://download.01.org/0day-ci/archive/20220906/202209060828.2Q6b2EhU-lkp@intel.com/config)
compiler: clang version 14.0.6 (https://github.com/llvm/llvm-project f28c006a5895fc0e329fe15fead81e37457cb1d1)
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
git remote add drm-misc git://anongit.freedesktop.org/drm/drm-misc
git fetch --no-tags drm-misc for-linux-next
git checkout 254fe9c106ed69245fbe0beac582054c98a91482
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=i386 SHELL=/bin/bash
If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/drm_atomic_helper.c:802: warning: expecting prototype for drm_atomic_helper_check_wb_connector_state(). Prototype was for drm_atomic_helper_check_wb_encoder_state() instead
vim +802 drivers/gpu/drm/drm_atomic_helper.c
787
788 /**
789 * drm_atomic_helper_check_wb_connector_state() - Check writeback encoder state
790 * @encoder: encoder state to check
791 * @conn_state: connector state to check
792 *
793 * Checks if the writeback connector state is valid, and returns an error if it
794 * isn't.
795 *
796 * RETURNS:
797 * Zero for success or -errno
798 */
799 int
800 drm_atomic_helper_check_wb_encoder_state(struct drm_encoder *encoder,
801 struct drm_connector_state *conn_state)
> 802 {
803 struct drm_writeback_job *wb_job = conn_state->writeback_job;
804 struct drm_property_blob *pixel_format_blob;
805 struct drm_framebuffer *fb;
806 size_t i, nformats;
807 u32 *formats;
808
809 if (!wb_job || !wb_job->fb)
810 return 0;
811
812 pixel_format_blob = wb_job->connector->pixel_formats_blob_ptr;
813 nformats = pixel_format_blob->length / sizeof(u32);
814 formats = pixel_format_blob->data;
815 fb = wb_job->fb;
816
817 for (i = 0; i < nformats; i++)
818 if (fb->format->format == formats[i])
819 return 0;
820
821 drm_dbg_kms(encoder->dev, "Invalid pixel format %p4cc\n", &fb->format->format);
822
823 return -EINVAL;
824 }
825 EXPORT_SYMBOL(drm_atomic_helper_check_wb_encoder_state);
826
--
0-DAY CI Kernel Test Service
https://01.org/lkp
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