This patch fixed the error when do not configure CONFIG_X86, otherwise, below error will be encountered. All errors (new ones prefixed by >>): drivers/gpu/drm/ttm/ttm_page_alloc_dma.c: In function 'ttm_set_pages_caching': >> drivers/gpu/drm/ttm/ttm_page_alloc_dma.c:272:7: error: implicit declaration of function 'set_pages_array_uc'; did you mean +'ttm_set_pages_array_uc'? [-Werror=implicit-function-declaration] r = set_pages_array_uc(pages, cpages); ^~~~~~~~~~~~~~~~~~ ttm_set_pages_array_uc cc1: some warnings being treated as errors Reported-by: kbuild test robot <lkp@xxxxxxxxx> Signed-off-by: Huang Rui <ray.huang@xxxxxxx> --- drivers/gpu/drm/ttm/ttm_page_alloc_dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c index 8304917..507be7a 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c @@ -269,7 +269,7 @@ static int ttm_set_pages_caching(struct dma_pool *pool, int r = 0; /* Set page caching */ if (pool->type & IS_UC) { - r = set_pages_array_uc(pages, cpages); + r = ttm_set_pages_array_uc(pages, cpages); if (r) pr_err("%s: Failed to set %d pages to uc!\n", pool->dev_name, cpages); -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel