[radeon-alex:amd-mainline-dkms-5.0 3697/3724] include/drm/drm_fb_helper.h:641:1: sparse: the previous one is here

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tree:   git://people.freedesktop.org/~agd5f/linux.git amd-mainline-dkms-5.0
head:   a51a5ad4b8daf0dd0a437d51a19c2baa98953675
commit: f460c248a3f0bca3a875602cf40693de672485c4 [3697/3724] drm/amd/autoconf: refactor dma_fence header check
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty
        git checkout f460c248a3f0bca3a875602cf40693de672485c4
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

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


sparse warnings: (new ones prefixed by >>)

   include/kcl/kcl_drm.h:167:1: sparse: sparse: multiple definitions for function 'drm_fb_helper_remove_conflicting_pci_framebuffers'
>> include/drm/drm_fb_helper.h:641:1: sparse:  the previous one is here
   include/kcl/kcl_drm.h:390:28: sparse: sparse: redefinition of struct drm_format_name_buf

vim +641 include/drm/drm_fb_helper.h

0a3bfe29f81622 Chris Wilson    2016-08-22  627  
c9527f0de508b1 Michał Mirosław 2018-09-07  628  /**
c9527f0de508b1 Michał Mirosław 2018-09-07  629   * drm_fb_helper_remove_conflicting_pci_framebuffers - remove firmware-configured framebuffers for PCI devices
c9527f0de508b1 Michał Mirosław 2018-09-07  630   * @pdev: PCI device
c9527f0de508b1 Michał Mirosław 2018-09-07  631   * @resource_id: index of PCI BAR configuring framebuffer memory
c9527f0de508b1 Michał Mirosław 2018-09-07  632   * @name: requesting driver name
c9527f0de508b1 Michał Mirosław 2018-09-07  633   *
c9527f0de508b1 Michał Mirosław 2018-09-07  634   * This function removes framebuffer devices (eg. initialized by firmware)
c9527f0de508b1 Michał Mirosław 2018-09-07  635   * using memory range configured for @pdev's BAR @resource_id.
c9527f0de508b1 Michał Mirosław 2018-09-07  636   *
c9527f0de508b1 Michał Mirosław 2018-09-07  637   * The function assumes that PCI device with shadowed ROM drives a primary
c9527f0de508b1 Michał Mirosław 2018-09-07  638   * display and so kicks out vga16fb.
c9527f0de508b1 Michał Mirosław 2018-09-07  639   */
4d18975c78f2d5 Michał Mirosław 2018-09-01  640  static inline int
4d18975c78f2d5 Michał Mirosław 2018-09-01 @641  drm_fb_helper_remove_conflicting_pci_framebuffers(struct pci_dev *pdev,
4d18975c78f2d5 Michał Mirosław 2018-09-01  642  						  int resource_id,
4d18975c78f2d5 Michał Mirosław 2018-09-01  643  						  const char *name)
4d18975c78f2d5 Michał Mirosław 2018-09-01  644  {
4d18975c78f2d5 Michał Mirosław 2018-09-01  645  #if IS_REACHABLE(CONFIG_FB)
4d18975c78f2d5 Michał Mirosław 2018-09-01  646  	return remove_conflicting_pci_framebuffers(pdev, resource_id, name);
4d18975c78f2d5 Michał Mirosław 2018-09-01  647  #else
4d18975c78f2d5 Michał Mirosław 2018-09-01  648  	return 0;
4d18975c78f2d5 Michał Mirosław 2018-09-01  649  #endif
4d18975c78f2d5 Michał Mirosław 2018-09-01  650  }
4d18975c78f2d5 Michał Mirosław 2018-09-01  651  

:::::: The code at line 641 was first introduced by commit
:::::: 4d18975c78f2d5c91792356501cf369e67594241 fbdev: add remove_conflicting_pci_framebuffers()

:::::: TO: Michał Mirosław <mirq-linux@xxxxxxxxxxxx>
:::::: CC: Daniel Vetter <daniel.vetter@xxxxxxxx>

---
0-DAY kernel test infrastructure                Open Source Technology Center
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