add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 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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@@ -61,6 +62,11 @@
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 	struct drm_mm_node mm_node;
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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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+
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 /* create a new buffer with gem object */
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 struct rknpu_gem_object *rknpu_gem_object_create(struct drm_device *dev,
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 						 unsigned int flags,