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_gem.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_gem.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index 67cdc916870..096267d5a71 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -36,11 +36,15 @@ * @dma_addr: bus address(accessed by dma) to allocated memory region. * - this address could be physical address without IOMMU and * device address with IOMMU. + * @sgt: sg table to transfer page data. + * @pages: contain all pages to allocated memory region. * @size: size of allocated memory region. */ struct exynos_drm_gem_buf { void __iomem *kvaddr; dma_addr_t dma_addr; + struct sg_table *sgt; + struct page **pages; unsigned long size; }; @@ -55,6 +59,8 @@ struct exynos_drm_gem_buf { * by user request or at framebuffer creation. * continuous memory region allocated by user request * or at framebuffer creation. + * @size: total memory size to physically non-continuous memory region. + * @flags: indicate memory type to allocated buffer and cache attruibute. * * P.S. this object would be transfered to user as kms_bo.handle so * user can access the buffer through kms_bo.handle. @@ -62,6 +68,8 @@ struct exynos_drm_gem_buf { struct exynos_drm_gem_obj { struct drm_gem_object base; struct exynos_drm_gem_buf *buffer; + unsigned long size; + unsigned int flags; }; /* destroy a buffer with gem object */ @@ -69,7 +77,8 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj); /* create a new buffer with gem object */ struct exynos_drm_gem_obj *exynos_drm_gem_create(struct drm_device *dev, - unsigned long size); + unsigned int flags, + unsigned long size); /* * request gem object creation and buffer allocation as the size |