On 28/05/2020 08:17, kbuild test robot wrote:

tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y head: e0d81ce760044efd3f26004aa32821c34968512a commit: 3e041c27b9909704a54bc673f9110391e740f583 [2150/5369] drm/panfrost: Add the panfrost_gem_mapping concept config: sparc-allyesconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 9.3.0 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 git checkout 3e041c27b9909704a54bc673f9110391e740f583 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sparc

If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot lkp@intel.com

All warnings (new ones prefixed by >>, old ones prefixed by <<):

drivers/gpu/drm/panfrost/panfrost_job.c: In function 'panfrost_job_cleanup':

...

...

drivers/gpu/drm/panfrost/panfrost_job.c:279:31: warning: variable 'bo' set but not used [-Wunused-but-set-variable]

279 | struct panfrost_gem_object *bo; | ^~

FYI: This was fixed upstream in fe154a242233 ("drm/panfrost: Remove set but not used variable 'bo'")

Steve

vim +/bo +279 drivers/gpu/drm/panfrost/panfrost_job.c

252	
253	static void panfrost_job_cleanup(struct kref *ref)
254	{
255		struct panfrost_job *job = container_of(ref, struct panfrost_job,
256							refcount);
257		unsigned int i;
258	
259		if (job->in_fences) {
260			for (i = 0; i < job->in_fence_count; i++)
261				dma_fence_put(job->in_fences[i]);
262			kvfree(job->in_fences);
263		}
264		if (job->implicit_fences) {
265			for (i = 0; i < job->bo_count; i++)
266				dma_fence_put(job->implicit_fences[i]);
267			kvfree(job->implicit_fences);
268		}
269		dma_fence_put(job->done_fence);
270		dma_fence_put(job->render_done_fence);
271	
272		if (job->mappings) {
273			for (i = 0; i < job->bo_count; i++)
274				panfrost_gem_mapping_put(job->mappings[i]);
275			kvfree(job->mappings);
276		}
277	
278		if (job->bos) {

...

279 struct panfrost_gem_object *bo;

280	
281			for (i = 0; i < job->bo_count; i++) {
282				bo = to_panfrost_bo(job->bos[i]);
283				drm_gem_object_put_unlocked(job->bos[i]);
284			}
285	
286			kvfree(job->bos);
287		}
288	
289		kfree(job);
290	}
291	

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