diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gem.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 4ed842039505..14d038b6cb02 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -40,6 +40,7 @@ * device address with IOMMU. * @sgt: sg table to transfer page data. * @pages: contain all pages to allocated memory region. + * @page_size: could be 4K, 64K or 1MB. * @size: size of allocated memory region. */ struct exynos_drm_gem_buf { @@ -47,6 +48,7 @@ struct exynos_drm_gem_buf { dma_addr_t dma_addr; struct sg_table *sgt; struct page **pages; + unsigned long page_size; unsigned long size; }; @@ -74,9 +76,15 @@ struct exynos_drm_gem_obj { unsigned int flags; }; +struct page **exynos_gem_get_pages(struct drm_gem_object *obj, gfp_t gfpmask); + /* destroy a buffer with gem object */ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj); +/* create a private gem object and initialize it. */ +struct exynos_drm_gem_obj *exynos_drm_gem_init(struct drm_device *dev, + unsigned long size); + /* create a new buffer with gem object */ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, unsigned int flags, @@ -119,6 +127,10 @@ int exynos_drm_gem_map_offset_ioctl(struct drm_device *dev, void *data, int exynos_drm_gem_mmap_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +/* get buffer information to memory region allocated by gem. */ +int exynos_drm_gem_get_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); + /* initialize gem object. */ int exynos_drm_gem_init_object(struct drm_gem_object *obj); |