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@intel.com

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@rere.qmqm.pl :::::: CC: Daniel Vetter daniel.vetter@ffwll.ch

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