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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/include/soc/rockchip/rockchip_dmc.h
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@@ -31,17 +31,53 @@
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 #define SCREEN_DUAL_LVDS_10BIT	12
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 #define SCREEN_DP		13
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-#ifdef CONFIG_ARM_ROCKCHIP_DMC_DEVFREQ
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+#define DMCFREQ_TABLE_END	~1u
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+
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+struct freq_map_table {
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+	unsigned int min;
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+	unsigned int max;
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+	unsigned long freq;
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+};
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+
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+struct rl_map_table {
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+	unsigned int pn; /* panel number */
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+	unsigned int rl; /* readlatency */
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+};
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+
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+struct dmcfreq_common_info {
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+	struct device *dev;
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+	struct devfreq *devfreq;
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+	struct freq_map_table *vop_bw_tbl;
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+	struct freq_map_table *vop_frame_bw_tbl;
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+	struct rl_map_table *vop_pn_rl_tbl;
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+	struct delayed_work msch_rl_work;
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+	unsigned long vop_4k_rate;
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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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+
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+struct dmcfreq_vop_info {
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+	unsigned int line_bw_mbyte;
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+	unsigned int frame_bw_mbyte;
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+	unsigned int plane_num;
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+	unsigned int plane_num_4k;
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+};
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+
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+#if IS_REACHABLE(CONFIG_ARM_ROCKCHIP_DMC_DEVFREQ)
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 void rockchip_dmcfreq_lock(void);
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 void rockchip_dmcfreq_lock_nested(void);
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 void rockchip_dmcfreq_unlock(void);
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+int rockchip_dmcfreq_write_trylock(void);
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+void rockchip_dmcfreq_write_unlock(void);
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 int rockchip_dmcfreq_wait_complete(void);
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-int rockchip_dmcfreq_vop_bandwidth_request(struct devfreq *devfreq,
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-					   unsigned int bw_mbyte);
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-void rockchip_dmcfreq_vop_bandwidth_update(struct devfreq *devfreq,
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-					   unsigned int line_bw_mbyte,
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-					   unsigned int frame_bw_mbyte,
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-					   unsigned int plane_num);
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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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@@ -55,25 +91,41 @@
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 {
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 }
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+static inline int rockchip_dmcfreq_write_trylock(void)
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+{
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+	return 0;
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+}
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+
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+static inline void rockchip_dmcfreq_write_unlock(void)
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+{
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+}
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+
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 static inline int rockchip_dmcfreq_wait_complete(void)
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 {
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 	return 0;
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 }
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 static inline int
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-rockchip_dmcfreq_vop_bandwidth_request(struct devfreq *devfreq,
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-				       unsigned int bw_mbyte)
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+rockchip_dmcfreq_vop_bandwidth_request(struct dmcfreq_vop_info *vop_info)
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 {
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 	return 0;
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 }
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 static inline void
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-rockchip_dmcfreq_vop_bandwidth_update(struct devfreq *devfreq,
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-				      unsigned int line_bw_mbyte,
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-				      unsigned int frame_bw_mbyte,
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-				      unsigned int plane_num)
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+rockchip_dmcfreq_vop_bandwidth_update(struct dmcfreq_vop_info *vop_info)
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 {
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 }
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+
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+static inline void
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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