diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_dmabuf.c')
-rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 35 |
1 files changed, 9 insertions, 26 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index a0f997e..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; @@ -127,27 +132,6 @@ static void exynos_gem_unmap_dma_buf(struct dma_buf_attachment *attach, /* Nothing to do. */ } -static void exynos_dmabuf_release(struct dma_buf *dmabuf) -{ - struct exynos_drm_gem_obj *exynos_gem_obj = dmabuf->priv; - - /* - * exynos_dmabuf_release() call means that file object's - * f_count is 0 and it calls drm_gem_object_handle_unreference() - * to drop the references that these values had been increased - * at drm_prime_handle_to_fd() - */ - if (exynos_gem_obj->base.export_dma_buf == dmabuf) { - exynos_gem_obj->base.export_dma_buf = NULL; - - /* - * drop this gem object refcount to release allocated buffer - * and resources. - */ - drm_gem_object_unreference_unlocked(&exynos_gem_obj->base); - } -} - static void *exynos_gem_dmabuf_kmap_atomic(struct dma_buf *dma_buf, unsigned long page_num) { @@ -193,7 +177,7 @@ static struct dma_buf_ops exynos_dmabuf_ops = { .kunmap = exynos_gem_dmabuf_kunmap, .kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic, .mmap = exynos_gem_dmabuf_mmap, - .release = exynos_dmabuf_release, + .release = drm_gem_dmabuf_release, }; struct dma_buf *exynos_dmabuf_prime_export(struct drm_device *drm_dev, @@ -201,7 +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); } @@ -219,8 +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) { |