Re: [Intel-gfx] [PATCH 2/3] drm/i915/display/psr: Lock and unlock PSR around pipe updates

[kernel test robot <lkp@intel.com>]

Hi "José,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-tip/drm-tip]
[also build test WARNING on v5.17 next-20220401]
[cannot apply to drm-intel/for-linux-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/intel-lab-lkp/linux/commits/Jos-Roberto-de-Souza/drm-i915-display-psr-Set-partial-frame-enable-when-forcing-full-frame-fetch/20220402-062837
base:   git://anongit.freedesktop.org/drm/drm-tip drm-tip
config: x86_64-randconfig-a005 (https://download.01.org/0day-ci/archive/20220402/202204020818.P5BApjRe-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project cc2e2b80a1f36a28fa7c96c38c2674b10868f09f)
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/intel-lab-lkp/linux/commit/955b4bf1a2fd2e6652980814983464f3db8f955f
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Jos-Roberto-de-Souza/drm-i915-display-psr-Set-partial-frame-enable-when-forcing-full-frame-fetch/20220402-062837
        git checkout 955b4bf1a2fd2e6652980814983464f3db8f955f
        # save the config file to linux build tree
        mkdir build_dir
        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_psr.c:2485: warning: expecting prototype for intel_psr_lock(). Prototype was for intel_psr_unlock() instead


vim +2485 drivers/gpu/drm/i915/display/intel_psr.c

  2477	
  2478	/**
  2479	 * intel_psr_lock - grab psr.lock mutex
  2480	 * @crtc_state: the crtc state
  2481	 *
  2482	 * Release the PSR lock that was held during pipe update.
  2483	 */
  2484	void intel_psr_unlock(const struct intel_crtc_state *crtc_state)
> 2485	{

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