diff options
| author | Inki Dae <inki.dae@samsung.com> | 2012-03-16 18:47:05 +0900 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-03-20 09:40:21 +0000 |
| commit | 2b35892e9da672df40ce890bffc4f9f6119c57e0 (patch) | |
| tree | 89c7faa07c4ffd583d08f83c0ddf7f8b7da01f76 /drivers/gpu/drm/exynos/exynos_drm_buf.h | |
| parent | 1de425b0bdbc457dbd4a012760da4a3f204d0ab3 (diff) | |
drm/exynos: update gem and buffer framework.
with this patch, we can allocate physically continuous or non-continuous
memory and also it creates scatterlist for iommu support so allocated
memory region can be mapped to iommu page table using scatterlist.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_buf.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_buf.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_buf.h b/drivers/gpu/drm/exynos/exynos_drm_buf.h index c913f2bad760..3388e4eb4ba2 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_buf.h +++ b/drivers/gpu/drm/exynos/exynos_drm_buf.h @@ -26,12 +26,22 @@ #ifndef _EXYNOS_DRM_BUF_H_ #define _EXYNOS_DRM_BUF_H_ -/* allocate physical memory. */ -struct exynos_drm_gem_buf *exynos_drm_buf_create(struct drm_device *dev, - unsigned int size); +/* create and initialize buffer object. */ +struct exynos_drm_gem_buf *exynos_drm_init_buf(struct drm_device *dev, + unsigned int size); -/* remove allocated physical memory. */ -void exynos_drm_buf_destroy(struct drm_device *dev, - struct exynos_drm_gem_buf *buffer); +/* destroy buffer object. */ +void exynos_drm_fini_buf(struct drm_device *dev, + struct exynos_drm_gem_buf *buffer); + +/* allocate physical memory region and setup sgt and pages. */ +int exynos_drm_alloc_buf(struct drm_device *dev, + struct exynos_drm_gem_buf *buf, + unsigned int flags); + +/* release physical memory region, sgt and pages. */ +void exynos_drm_free_buf(struct drm_device *dev, + unsigned int flags, + struct exynos_drm_gem_buf *buffer); #endif |