DMA_ATTR_NON_CONSISTENT isn't supported in DMA mapping API of ARM, so it doesn't give any effects to use non-consistent DMA attribute. Signed-off-by: Joonyoung Shim <jy0922.shim@xxxxxxxxxxx> --- drivers/gpu/drm/exynos/exynos_drm_gem.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 17a52f89a690..d5951f75c774 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -41,15 +41,10 @@ static int exynos_drm_alloc_buf(struct exynos_drm_gem *exynos_gem) if (!(exynos_gem->flags & EXYNOS_BO_NONCONTIG)) dma_set_attr(DMA_ATTR_FORCE_CONTIGUOUS, &exynos_gem->dma_attrs); - /* - * if EXYNOS_BO_WC or EXYNOS_BO_NONCACHABLE, writecombine mapping - * else cachable mapping. - */ + /* if EXYNOS_BO_WC or EXYNOS_BO_NONCACHABLE, writecombine mapping */ if (exynos_gem->flags & EXYNOS_BO_WC || !(exynos_gem->flags & EXYNOS_BO_CACHABLE)) attr = DMA_ATTR_WRITE_COMBINE; - else - attr = DMA_ATTR_NON_CONSISTENT; dma_set_attr(attr, &exynos_gem->dma_attrs); dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &exynos_gem->dma_attrs); -- 1.9.1 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
