Re: [PATCH] drm/exynos: use pm_runtime_resume_and_get()

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Hi Inki,

I love your patch! Yet something to improve:

[auto build test ERROR on drm-exynos/exynos-drm-next]
[also build test ERROR on drm-intel/for-linux-next drm-tip/drm-tip tegra-drm/drm/tegra/for-next v5.13-rc3 next-20210525]
[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/Inki-Dae/drm-exynos-use-pm_runtime_resume_and_get/20210525-190630
base:   https://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git exynos-drm-next
config: arm64-randconfig-r014-20210526 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 99155e913e9bad5f7f8a247f8bb3a3ff3da74af1)
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 arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/e9c82df302b53764b0fac4c14d48efe2595a296e
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Inki-Dae/drm-exynos-use-pm_runtime_resume_and_get/20210525-190630
        git checkout e9c82df302b53764b0fac4c14d48efe2595a296e
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/exynos/exynos_drm_gsc.c:1123:47: error: too few arguments provided to function-like macro invocation
                   dev_err("failed to enable GScaler device.\n");
                                                               ^
   include/linux/dev_printk.h:111:9: note: macro 'dev_err' defined here
   #define dev_err(dev, fmt, ...)                                          \
           ^
>> drivers/gpu/drm/exynos/exynos_drm_gsc.c:1123:3: error: use of undeclared identifier 'dev_err'; did you mean '_dev_err'?
                   dev_err("failed to enable GScaler device.\n");
                   ^~~~~~~
                   _dev_err
   include/linux/dev_printk.h:50:6: note: '_dev_err' declared here
   void _dev_err(const struct device *dev, const char *fmt, ...);
        ^
   drivers/gpu/drm/exynos/exynos_drm_gsc.c:1123:3: warning: expression result unused [-Wunused-value]
                   dev_err("failed to enable GScaler device.\n");
                   ^~~~~~~
   1 warning and 2 errors generated.


vim +1123 drivers/gpu/drm/exynos/exynos_drm_gsc.c

  1114	
  1115	static int gsc_commit(struct exynos_drm_ipp *ipp,
  1116				  struct exynos_drm_ipp_task *task)
  1117	{
  1118		struct gsc_context *ctx = container_of(ipp, struct gsc_context, ipp);
  1119		int ret;
  1120	
  1121		ret = pm_runtime_resume_and_get(ctx->dev);
  1122		if (ret < 0) {
> 1123			dev_err("failed to enable GScaler device.\n");
  1124			return ret;
  1125		}
  1126	
  1127		ctx->task = task;
  1128	
  1129		ret = gsc_reset(ctx);
  1130		if (ret) {
  1131			pm_runtime_put_autosuspend(ctx->dev);
  1132			ctx->task = NULL;
  1133			return ret;
  1134		}
  1135	
  1136		gsc_src_set_fmt(ctx, task->src.buf.fourcc, task->src.buf.modifier);
  1137		gsc_src_set_transf(ctx, task->transform.rotation);
  1138		gsc_src_set_size(ctx, &task->src);
  1139		gsc_src_set_addr(ctx, 0, &task->src);
  1140		gsc_dst_set_fmt(ctx, task->dst.buf.fourcc, task->dst.buf.modifier);
  1141		gsc_dst_set_size(ctx, &task->dst);
  1142		gsc_dst_set_addr(ctx, 0, &task->dst);
  1143		gsc_set_prescaler(ctx, &ctx->sc, &task->src.rect, &task->dst.rect);
  1144		gsc_start(ctx);
  1145	
  1146		return 0;
  1147	}
  1148	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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