From: kernel test robot <lkp@intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org
Subject: [vsyrjala:crtc_clock_compute_8 10/26] drivers/gpu/drm/i915/display/intel_ddi.c:325:5: warning: no previous prototype for function 'intel_crtc_dotclock'
Date: Wed, 4 May 2022 09:52:34 +0800 [thread overview]
Message-ID: <202205040931.3Rt8hNR2-lkp@intel.com> (raw)
tree: https://github.com/vsyrjala/linux.git crtc_clock_compute_8
head: aee27a93a2e9c552d016d4eadaff5aa87dccce13
commit: eb839775996f072098b810f91bc34757d1ea008e [10/26] drm/i915: Extract intel_crtc_dotclock()
config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220504/202205040931.3Rt8hNR2-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 363b3a645a1e30011cc8da624f13dac5fd915628)
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/vsyrjala/linux/commit/eb839775996f072098b810f91bc34757d1ea008e
git remote add vsyrjala https://github.com/vsyrjala/linux.git
git fetch --no-tags vsyrjala crtc_clock_compute_8
git checkout eb839775996f072098b810f91bc34757d1ea008e
# 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=x86_64 SHELL=/bin/bash drivers/gpu/drm/i915/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/i915/display/intel_ddi.c:325:5: warning: no previous prototype for function 'intel_crtc_dotclock' [-Wmissing-prototypes]
int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config)
^
drivers/gpu/drm/i915/display/intel_ddi.c:325:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config)
^
static
1 warning generated.
vim +/intel_crtc_dotclock +325 drivers/gpu/drm/i915/display/intel_ddi.c
324
> 325 int intel_crtc_dotclock(const struct intel_crtc_state *pipe_config)
326 {
327 int dotclock;
328
329 if (intel_crtc_has_dp_encoder(pipe_config))
330 dotclock = intel_dotclock_calculate(pipe_config->port_clock,
331 &pipe_config->dp_m_n);
332 else if (pipe_config->has_hdmi_sink && pipe_config->pipe_bpp > 24)
333 dotclock = pipe_config->port_clock * 24 / pipe_config->pipe_bpp;
334 else
335 dotclock = pipe_config->port_clock;
336
337 if (pipe_config->output_format == INTEL_OUTPUT_FORMAT_YCBCR420 &&
338 !intel_crtc_has_dp_encoder(pipe_config))
339 dotclock *= 2;
340
341 if (pipe_config->pixel_multiplier)
342 dotclock /= pipe_config->pixel_multiplier;
343
344 return dotclock;
345 }
346
--
0-DAY CI Kernel Test Service
https://01.org/lkp
reply other threads:[~2022-05-04 1:56 UTC|newest]
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