[radeon-alex:amd-staging-drm-next 237/248] drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1968:21: error: dereferencing pointer to incomplete type 'struct pp_instance'

[kbuild test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git amd-staging-drm-next
head:   c49a0ced347d825bb25e15636ea1b992cb21a946
commit: bd1a31ccef9de5273830dc38d769767de25fb4a1 [237/248] drm/amd:Enable/Disable NBPSTATE on On/OFF of UVD
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 8.1.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout bd1a31ccef9de5273830dc38d769767de25fb4a1
        # save the attached .config to linux build tree
        GCC_VERSION=8.1.0 make.cross ARCH=ia64 

Note: the radeon-alex/amd-staging-drm-next HEAD c49a0ced347d825bb25e15636ea1b992cb21a946 builds fine.
      It only hurts bisectibility.

All errors (new ones prefixed by >>):

   drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c: In function 'amdgpu_dpm_enable_uvd':
>> drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c:1968:21: error: dereferencing pointer to incomplete type 'struct pp_instance'
       hwmgr = pp_handle->hwmgr;
                        ^~

vim +1968 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

  1952	
  1953	void amdgpu_dpm_enable_uvd(struct amdgpu_device *adev, bool enable)
  1954	{
  1955		if (adev->powerplay.pp_funcs->set_powergating_by_smu) {
  1956			/* enable/disable UVD */
  1957			mutex_lock(&adev->pm.mutex);
  1958			amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_UVD, !enable);
  1959			mutex_unlock(&adev->pm.mutex);
  1960		}
  1961		/* enable/disable Low Memory PState for UVD (4k videos) */
  1962		if (adev->asic_type == CHIP_STONEY &&
  1963			adev->uvd.decode_image_width >= WIDTH_4K) {
  1964			struct pp_hwmgr *hwmgr;
  1965			struct pp_instance *pp_handle =
  1966				(struct pp_instance *)adev->powerplay.pp_handle;
  1967			if (pp_handle) {
> 1968				hwmgr = pp_handle->hwmgr;
  1969				if (hwmgr && hwmgr->hwmgr_func &&
  1970					hwmgr->hwmgr_func->update_nbdpm_pstate)
  1971					hwmgr->hwmgr_func->update_nbdpm_pstate(hwmgr,
  1972										!enable,
  1973										true);
  1974			}
  1975		}
  1976	}
  1977	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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