tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d665ea6ea86c785760ee4bad4543dab3267ad074
commit: 142600e854b17f7dac25c8f971c030bb1700d2b6 drm/amdgpu: Add mode2 reset support for aldebaran
date:   4 weeks ago
config: powerpc-randconfig-r016-20210505 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8f5a2a5836cc8e4c1def2bdeb022e7b496623439)
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 powerpc cross compiling tool for clang build
        # apt-get install binutils-powerpc-linux-gnu
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=142600e854b17f7dac25c8f971c030bb1700d2b6
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 142600e854b17f7dac25c8f971c030bb1700d2b6
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=powerpc 

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 >>):

   In file included from drivers/gpu/drm/amd/amdgpu/aldebaran.c:25:
   drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_reset.h:24:9: warning: '__AMDUGPU_RESET_H__' is used as a header guard here, followed by #define of a different macro [-Wheader-guard]
   #ifndef __AMDUGPU_RESET_H__
           ^~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../amdgpu/amdgpu_reset.h:25:9: note: '__AMDGPU_RESET_H__' is defined here; did you mean '__AMDUGPU_RESET_H__'?
   #define __AMDGPU_RESET_H__
           ^~~~~~~~~~~~~~~~~~
           __AMDUGPU_RESET_H__
   drivers/gpu/drm/amd/amdgpu/aldebaran.c:110:6: warning: no previous prototype for function 'aldebaran_async_reset' [-Wmissing-prototypes]
   void aldebaran_async_reset(struct work_struct *work)
        ^
   drivers/gpu/drm/amd/amdgpu/aldebaran.c:110:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
   void aldebaran_async_reset(struct work_struct *work)
   ^
   static 
>> drivers/gpu/drm/amd/amdgpu/aldebaran.c:317:1: warning: stack frame size of 2624 bytes in function 'aldebaran_mode2_restore_hwcontext' [-Wframe-larger-than=]
   aldebaran_mode2_restore_hwcontext(struct amdgpu_reset_control *reset_ctl,
   ^
   3 warnings generated.


vim +/aldebaran_mode2_restore_hwcontext +317 drivers/gpu/drm/amd/amdgpu/aldebaran.c

   315	
   316	static int
 > 317	aldebaran_mode2_restore_hwcontext(struct amdgpu_reset_control *reset_ctl,
   318					  struct amdgpu_reset_context *reset_context)
   319	{
   320		int r;
   321		struct amdgpu_device *tmp_adev = NULL;
   322	
   323		if (reset_context->hive == NULL) {
   324			/* Wrong context, return error */
   325			return -EINVAL;
   326		}
   327	
   328		list_for_each_entry(tmp_adev, &reset_context->hive->device_list,
   329				     gmc.xgmi.head) {
   330			dev_info(tmp_adev->dev,
   331				 "GPU reset succeeded, trying to resume\n");
   332			r = aldebaran_mode2_restore_ip(tmp_adev);
   333			if (r)
   334				goto end;
   335	
   336			/*
   337			 * Add this ASIC as tracked as reset was already
   338			 * complete successfully.
   339			 */
   340			amdgpu_register_gpu_instance(tmp_adev);
   341	
   342			/* Resume RAS */
   343			amdgpu_ras_resume(tmp_adev);
   344	
   345			/* Update PSP FW topology after reset */
   346			if (reset_context->hive &&
   347			    tmp_adev->gmc.xgmi.num_physical_nodes > 1)
   348				r = amdgpu_xgmi_update_topology(reset_context->hive,
   349								tmp_adev);
   350	
   351			if (!r) {
   352				amdgpu_irq_gpu_reset_resume_helper(tmp_adev);
   353	
   354				r = amdgpu_ib_ring_tests(tmp_adev);
   355				if (r) {
   356					dev_err(tmp_adev->dev,
   357						"ib ring test failed (%d).\n", r);
   358					r = -EAGAIN;
   359					tmp_adev->asic_reset_res = r;
   360					goto end;
   361				}
   362			}
   363		}
   364	
   365	end:
   366		return r;
   367	}
   368	

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