The Rockship DRM GEM code uses vmap()/vunmap() so vmalloc header must be included to avoid warnings like (on IA64, compile tested): drivers/gpu/drm/rockchip/rockchip_drm_gem.c: In function ‘rockchip_gem_alloc_iommu’: drivers/gpu/drm/rockchip/rockchip_drm_gem.c:134:20: error: implicit declaration of function ‘vmap’ [-Werror=implicit-function-declaration] Reported-by: kbuild test robot <lkp@xxxxxxxxx> Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> --- drivers/gpu/drm/rockchip/rockchip_drm_gem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 7582d0e6a60a..0d1884684dcb 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -6,6 +6,7 @@ #include <linux/dma-buf.h> #include <linux/iommu.h> +#include <linux/vmalloc.h> #include <drm/drm.h> #include <drm/drm_gem.h> -- 2.7.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel