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drm/exynos: explicit store base gem object in dma_buf->priv 

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>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Inki Dae 2013-08-15 00:02:31 +02:00 committed by Dave Airlie
parent c1d6798d20
commit d0ed8d27fa
1 changed files with 8 additions and 4 deletions
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12
drivers/gpu/drm/exynos/exynos_drm_dmabuf.c
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@ -22,6 +22,11 @@ struct exynos_drm_dmabuf_attachment {
bool is_mapped; 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, static int exynos_gem_attach_dma_buf(struct dma_buf *dmabuf,
struct device *dev, struct device *dev,
struct dma_buf_attachment *attach) struct dma_buf_attachment *attach)
@ -63,7 +68,7 @@ static struct sg_table *
enum dma_data_direction dir) enum dma_data_direction dir)
{ {
struct exynos_drm_dmabuf_attachment *exynos_attach = attach->priv; 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 drm_device *dev = gem_obj->base.dev;
struct exynos_drm_gem_buf *buf; struct exynos_drm_gem_buf *buf;
struct scatterlist *rd, *wr; 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); 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); 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) { if (dma_buf->ops == &exynos_dmabuf_ops) {
struct drm_gem_object *obj; struct drm_gem_object *obj;
exynos_gem_obj = dma_buf->priv; obj = dma_buf->priv;
obj = &exynos_gem_obj->base;
/* is it from our device? */ /* is it from our device? */
if (obj->dev == drm_dev) { if (obj->dev == drm_dev) {