tree: git://people.freedesktop.org/~agd5f/linux.git amd-mainline-dkms-5.0 head: a51a5ad4b8daf0dd0a437d51a19c2baa98953675 commit: a5784d79d1577c00e6e81f892cde52593546a5f4 [3698/3724] drm/amdkcl: drop kcl_dma_fence_set_error reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty git checkout a5784d79d1577c00e6e81f892cde52593546a5f4 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_fence.h:142:20: sparse: sparse: multiple definitions for function 'dma_fence_set_error'

...

include/linux/dma-fence.h:508:20: sparse: the previous one is here

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 +508 include/linux/dma-fence.h

d6c99f4bf093a5 Chris Wilson 2017-01-04 496 a009e975da5c7d Chris Wilson 2017-01-04 497 /** a009e975da5c7d Chris Wilson 2017-01-04 498 * dma_fence_set_error - flag an error condition on the fence 2c269b09065123 Daniel Vetter 2018-04-27 499 * @fence: the dma_fence 2c269b09065123 Daniel Vetter 2018-04-27 500 * @error: the error to store a009e975da5c7d Chris Wilson 2017-01-04 501 * a009e975da5c7d Chris Wilson 2017-01-04 502 * Drivers can supply an optional error status condition before they signal a009e975da5c7d Chris Wilson 2017-01-04 503 * the fence, to indicate that the fence was completed due to an error a009e975da5c7d Chris Wilson 2017-01-04 504 * rather than success. This must be set before signaling (so that the value a009e975da5c7d Chris Wilson 2017-01-04 505 * is visible before any waiters on the signal callback are woken). This a009e975da5c7d Chris Wilson 2017-01-04 506 * helper exists to help catching erroneous setting of #dma_fence.error. a009e975da5c7d Chris Wilson 2017-01-04 507 */ a009e975da5c7d Chris Wilson 2017-01-04 @508 static inline void dma_fence_set_error(struct dma_fence *fence, a009e975da5c7d Chris Wilson 2017-01-04 509 int error) a009e975da5c7d Chris Wilson 2017-01-04 510 { 6ce31263c9758c Daniel Vetter 2017-07-20 511 WARN_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)); 6ce31263c9758c Daniel Vetter 2017-07-20 512 WARN_ON(error >= 0 || error < -MAX_ERRNO); a009e975da5c7d Chris Wilson 2017-01-04 513 a009e975da5c7d Chris Wilson 2017-01-04 514 fence->error = error; a009e975da5c7d Chris Wilson 2017-01-04 515 } a009e975da5c7d Chris Wilson 2017-01-04 516

:::::: The code at line 508 was first introduced by commit :::::: a009e975da5c7d42a7f5eaadc54946eb5f76c9af dma-fence: Introduce drm_fence_set_error() helper

:::::: TO: Chris Wilson chris@chris-wilson.co.uk :::::: CC: Sumit Semwal sumit.semwal@linaro.org

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