kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/rknpu/include/rknpu_gem.h
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@@ -48,6 +48,7 @@
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 	unsigned int flags;
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 	unsigned long size;
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 	unsigned long sram_size;
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+	unsigned long nbuf_size;
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 	struct rknpu_mm_obj *sram_obj;
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 	dma_addr_t iova_start;
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 	unsigned long iova_size;
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@@ -59,6 +60,11 @@
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 	struct page **pages;
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 	struct sg_table *sgt;
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 	struct drm_mm_node mm_node;
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+};
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+
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+enum rknpu_cache_type {
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+	RKNPU_CACHE_SRAM = 1 << 0,
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+	RKNPU_CACHE_NBUF = 1 << 1,
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 };
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 /* create a new buffer with gem object */
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@@ -157,6 +163,8 @@
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 int rknpu_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
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 #endif
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+int rknpu_gem_mmap_obj(struct drm_gem_object *obj, struct vm_area_struct *vma);
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+
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 /* set vm_flags and we can change the vm attribute to other one at here. */
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 int rknpu_gem_mmap(struct file *filp, struct vm_area_struct *vma);
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@@ -170,8 +178,13 @@
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 rknpu_gem_prime_import_sg_table(struct drm_device *dev,
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 				struct dma_buf_attachment *attach,
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 				struct sg_table *sgt);
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+#if KERNEL_VERSION(6, 1, 0) > LINUX_VERSION_CODE
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 void *rknpu_gem_prime_vmap(struct drm_gem_object *obj);
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 void rknpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
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+#else
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+int rknpu_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map);
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+void rknpu_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map);
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+#endif
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 int rknpu_gem_prime_mmap(struct drm_gem_object *obj,
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 			 struct vm_area_struct *vma);
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