add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/video/rockchip/rga3/include/rga_mm.h
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@@ -18,6 +18,8 @@
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 	RGA_MEM_NEED_USE_IOMMU		= 1 << 1,
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 	/* Flag this is a physical contiguous memory. */
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 	RGA_MEM_PHYSICAL_CONTIGUOUS	= 1 << 2,
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+	/* need force flush cache */
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+	RGA_MEM_FORCE_FLUSH_CACHE	= 1 << 3,
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 };
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 struct rga_mm {
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@@ -54,8 +56,8 @@
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 int rga_mm_map_job_info(struct rga_job *job);
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 void rga_mm_unmap_job_info(struct rga_job *job);
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-uint32_t rga_mm_import_buffer(struct rga_external_buffer *external_buffer,
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-			      struct rga_session *session);
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+int rga_mm_import_buffer(struct rga_external_buffer *external_buffer,
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+			 struct rga_session *session);
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 int rga_mm_release_buffer(uint32_t handle);
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 int rga_mm_session_release_buffer(struct rga_session *session);
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