diff options
| author | CK Hu <ck.hu@mediatek.com> | 2019-01-14 12:36:48 +0300 |
|---|---|---|
| committer | CK Hu <ck.hu@mediatek.com> | 2019-03-19 05:37:40 +0300 |
| commit | 3df64d7b0a4f70f1797f23cfd4cca5c4d48131fe (patch) | |
| tree | 818876d719669c8005d6195c839affd36ae4ffa7 /drivers/gpu/drm/mediatek/mtk_drm_gem.h | |
| parent | 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b (diff) | |
| download | linux-3df64d7b0a4f70f1797f23cfd4cca5c4d48131fe.tar.xz | |
drm/mediatek: Implement gem prime vmap/vunmap function
For some application which need kernel virtual address, such as fbcon,
implement these function to map/unmap kernel virtual address of prime
buffer.
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_gem.h')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_drm_gem.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.h b/drivers/gpu/drm/mediatek/mtk_drm_gem.h index 534639b43a1c..c047a7ef294f 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.h +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.h @@ -37,6 +37,7 @@ struct mtk_drm_gem_obj { dma_addr_t dma_addr; unsigned long dma_attrs; struct sg_table *sg; + struct page **pages; }; #define to_mtk_gem_obj(x) container_of(x, struct mtk_drm_gem_obj, base) @@ -52,5 +53,7 @@ int mtk_drm_gem_mmap_buf(struct drm_gem_object *obj, struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj); struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg); +void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj); +void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); #endif |