[PATCH 4/5] drm/exynos: explicit store base gem object in dma_buf->priv

Daniel Vetter
2013-08-08T07:11:05Z

From: Inki Dae <inki.dae@samsung.com>

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
index 3cd56e1..fd76449 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
@@ -22,6 +22,11 @@ struct exynos_drm_dmabuf_attachment {
bool is_mapped;
};

+static struct exynos_drm_gem_obj *dma_buf_to_obj(struct dma_buf *buf)
+{
+ return to_exynos_gem_obj(buf->priv);
+}
+
static int exynos_gem_attach_dma_buf(struct dma_buf *dmabuf,
struct device *dev,
struct dma_buf_attachment *attach)
@@ -63,7 +68,7 @@ static struct sg_table *
enum dma_data_direction dir)
{
struct exynos_drm_dmabuf_attachment *exynos_attach = attach->priv;
- struct exynos_drm_gem_obj *gem_obj = attach->dmabuf->priv;
+ struct exynos_drm_gem_obj *gem_obj = dma_buf_to_obj(attach->dmabuf);
struct drm_device *dev = gem_obj->base.dev;
struct exynos_drm_gem_buf *buf;
struct scatterlist *rd, *wr;
@@ -180,7 +185,7 @@ 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,
+ return dma_buf_export(obj, &exynos_dmabuf_ops,
exynos_gem_obj->base.size, flags);
}

@@ -198,8 +203,7 @@ struct drm_gem_object *exynos_dmabuf_prime_import(struct drm_device *drm_dev,
if (dma_buf->ops == &exynos_dmabuf_ops) {
struct drm_gem_object *obj;

- exynos_gem_obj = dma_buf->priv;
- obj = &exynos_gem_obj->base;
+ obj = dma_buf->priv;

/* is it from our device? */
if (obj->dev == drm_dev) {
--
1.8.3.2