add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/include/soc/rockchip/rockchip_dmc.h
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@@ -55,6 +55,7 @@
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 	unsigned long vop_req_rate;
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 	unsigned int read_latency;
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 	unsigned int auto_freq_en;
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+	unsigned int stall_time_ns;
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 	bool is_msch_rl_work_started;
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 	int (*set_msch_readlatency)(unsigned int rl);
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 };
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@@ -76,6 +77,7 @@
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 int rockchip_dmcfreq_vop_bandwidth_init(struct dmcfreq_common_info *info);
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 int rockchip_dmcfreq_vop_bandwidth_request(struct dmcfreq_vop_info *vop_info);
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 void rockchip_dmcfreq_vop_bandwidth_update(struct dmcfreq_vop_info *vop_info);
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+unsigned int rockchip_dmcfreq_get_stall_time_ns(void);
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 #else
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 static inline void rockchip_dmcfreq_lock(void)
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 {
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@@ -118,6 +120,12 @@
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 rockchip_dmcfreq_vop_bandwidth_init(struct dmcfreq_common_info *info)
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 {
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 }
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+
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+static inline unsigned int
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+rockchip_dmcfreq_get_stall_time_ns(void)
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+{
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+	return 0;
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+}
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 #endif
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 #endif