Re: [v1 3/3] drm/msm/disp/dpu1: reserve the resources on topology change

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

Hi Kalyan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip linus/master v6.2-rc6]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Kalyan-Thota/drm-msm-disp-dpu1-clear-dspp-reservations-in-rm-release/20230130-232224
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/1675092092-26412-4-git-send-email-quic_kalyant%40quicinc.com
patch subject: [v1 3/3] drm/msm/disp/dpu1: reserve the resources on topology change
config: arm64-randconfig-r034-20230129 (https://download.01.org/0day-ci/archive/20230202/202302022254.37XyfGnR-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 12.1.0
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/4c49c3233fc18f3b746a96b5ff4ce5008da3bfec
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Kalyan-Thota/drm-msm-disp-dpu1-clear-dspp-reservations-in-rm-release/20230130-232224
        git checkout 4c49c3233fc18f3b746a96b5ff4ce5008da3bfec
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:2091:6: error: conflicting types for 'dpu_encoder_prepare_commit'; have 'void(struct drm_encoder *)'
    2091 | void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h:19,
                    from drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c:29:
   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h:155:6: note: previous declaration of 'dpu_encoder_prepare_commit' with type 'void(struct drm_encoder *, struct drm_crtc_state *)'
     155 | void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~
--
   drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c: In function 'dpu_kms_prepare_commit':
>> drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:443:25: error: too few arguments to function 'dpu_encoder_prepare_commit'
     443 |                         dpu_encoder_prepare_commit(encoder);
         |                         ^~~~~~~~~~~~~~~~~~~~~~~~~~
   In file included from drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c:30:
   drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h:155:6: note: declared here
     155 | void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc,
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +2091 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c

ae4d721ce10057 Abhinav Kumar     2022-04-26  2090  
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27 @2091  void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc)
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2092  {
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2093  	struct dpu_encoder_virt *dpu_enc;
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2094  	struct dpu_encoder_phys *phys;
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2095  	int i;
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2096  
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2097  	if (!drm_enc) {
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2098  		DPU_ERROR("invalid encoder\n");
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2099  		return;
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2100  	}
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2101  	dpu_enc = to_dpu_encoder_virt(drm_enc);
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2102  
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2103  	for (i = 0; i < dpu_enc->num_phys_encs; i++) {
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2104  		phys = dpu_enc->phys_encs[i];
b6fadcade62704 Drew Davenport    2019-12-06  2105  		if (phys->ops.prepare_commit)
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2106  			phys->ops.prepare_commit(phys);
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2107  	}
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2108  }
25fdd5933e4c0f Jeykumar Sankaran 2018-06-27  2109  

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