tree: git://people.freedesktop.org/~agd5f/linux.git drm-next-4.15-wip head: c9121e92b3a8e12a8b40e362c30073d6a6a5b794 commit: a4dec819c8bba6365eb893a4ca88db4dd1210110 [24/81] drm/ttm: Add helper functions to populate/map in one call (v2) config: i386-randconfig-s0-201736 (attached as .config) compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901 reproduce: git checkout a4dec819c8bba6365eb893a4ca88db4dd1210110 # save the attached .config to linux build tree make ARCH=i386

All errors (new ones prefixed by >>):

...

drivers/gpu/drm/ttm/ttm_page_alloc.c:923:5: error: redefinition of 'ttm_populate_and_map_pages'

int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt) ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/ttm_page_alloc.c:49:0: include/drm/ttm/ttm_page_alloc.h:120:19: note: previous definition of 'ttm_populate_and_map_pages' was here static inline int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt) ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/ttm/ttm_page_alloc.c:950:6: error: redefinition of 'ttm_unmap_and_unpopulate_pages' void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/ttm/ttm_page_alloc.c:49:0: include/drm/ttm/ttm_page_alloc.h:125:20: note: previous definition of 'ttm_unmap_and_unpopulate_pages' was here static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

vim +/ttm_populate_and_map_pages +923 drivers/gpu/drm/ttm/ttm_page_alloc.c

922

923 int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt)

924 { 925 unsigned i; 926 int r; 927 928 r = ttm_pool_populate(&tt->ttm); 929 if (r) 930 return r; 931 932 for (i = 0; i < tt->ttm.num_pages; i++) { 933 tt->dma_address[i] = dma_map_page(dev, tt->ttm.pages[i], 934 0, PAGE_SIZE, 935 DMA_BIDIRECTIONAL); 936 if (dma_mapping_error(dev, tt->dma_address[i])) { 937 while (i--) { 938 dma_unmap_page(dev, tt->dma_address[i], 939 PAGE_SIZE, DMA_BIDIRECTIONAL); 940 tt->dma_address[i] = 0; 941 } 942 ttm_pool_unpopulate(&tt->ttm); 943 return -EFAULT; 944 } 945 } 946 return 0; 947 } 948 EXPORT_SYMBOL(ttm_populate_and_map_pages); 949

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