From b716d46e003fc12f64bbdd71e5b9fd733e59b8d4 Mon Sep 17 00:00:00 2001 From: Tomasz Stanislawski Date: Wed, 5 Sep 2012 19:31:56 +0900 Subject: [PATCH] drm/exynos: add dummy support for dmabuf-mmap This patch adds a stub function for DMABUF mmap. This allows to export a DMABUF. Signed-off-by: Tomasz Stanislawski Signed-off-by: Kyungmin Park Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index 613bf8a5d9b2..ae13febe0eaa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -163,6 +163,12 @@ static void exynos_gem_dmabuf_kunmap(struct dma_buf *dma_buf, /* TODO */ } +static int exynos_gem_dmabuf_mmap(struct dma_buf *dma_buf, + struct vm_area_struct *vma) +{ + return -ENOTTY; +} + static struct dma_buf_ops exynos_dmabuf_ops = { .map_dma_buf = exynos_gem_map_dma_buf, .unmap_dma_buf = exynos_gem_unmap_dma_buf, @@ -170,6 +176,7 @@ static struct dma_buf_ops exynos_dmabuf_ops = { .kmap_atomic = exynos_gem_dmabuf_kmap_atomic, .kunmap = exynos_gem_dmabuf_kunmap, .kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic, + .mmap = exynos_gem_dmabuf_mmap, .release = exynos_dmabuf_release, }; -- GitLab