diff options
Diffstat (limited to 'include/drm/drm_gem_cma_helper.h')
| -rw-r--r-- | include/drm/drm_gem_cma_helper.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h index f0f6b1af25a..2a3cea91606 100644 --- a/include/drm/drm_gem_cma_helper.h +++ b/include/drm/drm_gem_cma_helper.h @@ -1,9 +1,14 @@ #ifndef __DRM_GEM_CMA_HELPER_H__ #define __DRM_GEM_CMA_HELPER_H__ +#include <drm/drmP.h> + struct drm_gem_cma_object { struct drm_gem_object base; dma_addr_t paddr; + struct sg_table *sgt; + + /* For objects with DMA memory allocated by GEM CMA */ void *vaddr; }; @@ -27,18 +32,23 @@ int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv, /* set vm_flags and we can change the vm attribute to other one at here. */ int drm_gem_cma_mmap(struct file *filp, struct vm_area_struct *vma); -/* - * destroy memory region allocated. - * - a gem handle and physical memory region pointed by a gem object - * would be released by drm_gem_handle_delete(). - */ -int drm_gem_cma_dumb_destroy(struct drm_file *file_priv, - struct drm_device *drm, unsigned int handle); - /* allocate physical memory. */ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm, unsigned int size); extern const struct vm_operations_struct drm_gem_cma_vm_ops; +#ifdef CONFIG_DEBUG_FS +void drm_gem_cma_describe(struct drm_gem_cma_object *obj, struct seq_file *m); +#endif + +struct sg_table *drm_gem_cma_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object * +drm_gem_cma_prime_import_sg_table(struct drm_device *dev, size_t size, + struct sg_table *sgt); +int drm_gem_cma_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma); +void *drm_gem_cma_prime_vmap(struct drm_gem_object *obj); +void drm_gem_cma_prime_vunmap(struct drm_gem_object *obj, void *vaddr); + #endif /* __DRM_GEM_CMA_HELPER_H__ */ |