Set dma_buf exporter permission as ReadWrite, otherwise mmap will get errno 13: permission denied. Signed-off-by: Cooper Yuan <cooperyuan@xxxxxxxxx> --- drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index 613bf8a..e4eeb0b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -29,6 +29,7 @@ #include "exynos_drm_drv.h" #include "exynos_drm_gem.h" +#include <linux/fcntl.h> #include <linux/dma-buf.h> static struct sg_table *exynos_pages_to_sg(struct page **pages, int nr_pages, @@ -179,7 +180,7 @@ struct dma_buf *exynos_dmabuf_prime_export(struct drm_device *drm_dev, struct exynos_drm_gem_obj *exynos_gem_obj = to_exynos_gem_obj(obj); return dma_buf_export(exynos_gem_obj, &exynos_dmabuf_ops, - exynos_gem_obj->base.size, 0600); + exynos_gem_obj->base.size, O_RDWR); } struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev, -- 1.7.0.4 _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
