From f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 01:04:47 +0000
Subject: [PATCH] add driver 5G
---
kernel/include/drm/drm_prime.h | 51 +++++++++++++++++++++++++++------------------------
1 files changed, 27 insertions(+), 24 deletions(-)
diff --git a/kernel/include/drm/drm_prime.h b/kernel/include/drm/drm_prime.h
index a6f60d5..a9d0c6b 100644
--- a/kernel/include/drm/drm_prime.h
+++ b/kernel/include/drm/drm_prime.h
@@ -42,7 +42,6 @@
* This just contains the internal &struct dma_buf and handle caches for each
* &struct drm_file used by the PRIME core code.
*/
-
struct drm_prime_file_private {
/* private: */
struct mutex lock;
@@ -62,27 +61,18 @@
struct drm_gem_object;
struct drm_file;
-struct device;
-
-struct dma_buf *drm_gem_prime_export(struct drm_device *dev,
- struct drm_gem_object *obj,
- int flags);
-int drm_gem_prime_handle_to_fd(struct drm_device *dev,
- struct drm_file *file_priv, uint32_t handle, uint32_t flags,
- int *prime_fd);
-int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
-struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
- struct dma_buf *dma_buf);
-
-struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
- struct dma_buf *dma_buf,
- struct device *attach_dev);
-
-int drm_gem_prime_fd_to_handle(struct drm_device *dev,
- struct drm_file *file_priv, int prime_fd, uint32_t *handle);
+/* core prime functions */
struct dma_buf *drm_gem_dmabuf_export(struct drm_device *dev,
struct dma_buf_export_info *exp_info);
void drm_gem_dmabuf_release(struct dma_buf *dma_buf);
+
+int drm_gem_prime_fd_to_handle(struct drm_device *dev,
+ struct drm_file *file_priv, int prime_fd, uint32_t *handle);
+int drm_gem_prime_handle_to_fd(struct drm_device *dev,
+ struct drm_file *file_priv, uint32_t handle, uint32_t flags,
+ int *prime_fd);
+
+/* helper functions for exporting */
int drm_gem_map_attach(struct dma_buf *dma_buf,
struct dma_buf_attachment *attach);
void drm_gem_map_detach(struct dma_buf *dma_buf,
@@ -94,15 +84,28 @@
enum dma_data_direction dir);
void *drm_gem_dmabuf_vmap(struct dma_buf *dma_buf);
void drm_gem_dmabuf_vunmap(struct dma_buf *dma_buf, void *vaddr);
-void *drm_gem_dmabuf_kmap(struct dma_buf *dma_buf, unsigned long page_num);
-void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, unsigned long page_num,
- void *addr);
+
+int drm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma);
int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma);
+
+struct sg_table *drm_prime_pages_to_sg(struct drm_device *dev,
+ struct page **pages, unsigned int nr_pages);
+struct dma_buf *drm_gem_prime_export(struct drm_gem_object *obj,
+ int flags);
+
+unsigned long drm_prime_get_contiguous_size(struct sg_table *sgt);
+
+/* helper functions for importing */
+struct drm_gem_object *drm_gem_prime_import_dev(struct drm_device *dev,
+ struct dma_buf *dma_buf,
+ struct device *attach_dev);
+struct drm_gem_object *drm_gem_prime_import(struct drm_device *dev,
+ struct dma_buf *dma_buf);
+
+void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
int drm_prime_sg_to_page_addr_arrays(struct sg_table *sgt, struct page **pages,
dma_addr_t *addrs, int max_pages);
-struct sg_table *drm_prime_pages_to_sg(struct page **pages, unsigned int nr_pages);
-void drm_prime_gem_destroy(struct drm_gem_object *obj, struct sg_table *sg);
int drm_gem_dmabuf_get_uuid(struct dma_buf *dma_buf, uuid_t *uuid);
--
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