Commit f74291c1 authored by Wenjing Liu's avatar Wenjing Liu Committed by Alex Deucher
Browse files

drm/amd/display: Update dchubbub.h for hubbub perfmon support 



[why]
dchubbub supports performance monitoring for hubbub.
The interfaces define the performance monitoring events and their
attributes.

Reviewed-by: default avatarAlvin Lee <alvin.lee2@amd.com>
Signed-off-by: default avatarWenjing Liu <wenjing.liu@amd.com>
Signed-off-by: default avatarWayne Lin <wayne.lin@amd.com>
Tested-by: default avatarDan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 215bed54

drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h

+22 −0
Original line number Diff line number Diff line
@@ -137,6 +137,19 @@ struct dcn_hubbub_state { 
	uint32_t dram_state_cntl;

};



struct hubbub_system_latencies {

	uint32_t max_latency_ns;

	uint32_t avg_latency_ns;

	uint32_t min_latency_ns;

};



struct hubbub_urgent_latency_params {

	uint32_t refclk_mhz;

	uint32_t t_win_ns;

	uint32_t bandwidth_mbps;

	uint32_t bw_factor_x1000;

};



struct hubbub_funcs {

	void (*update_dchub)(

			struct hubbub *hubbub,
@@ -231,6 +244,15 @@ struct hubbub_funcs { 
	bool (*program_arbiter)(struct hubbub *hubbub, struct dml2_display_arb_regs *arb_regs, bool safe_to_lower);

	void (*get_det_sizes)(struct hubbub *hubbub, uint32_t *curr_det_sizes, uint32_t *target_det_sizes);

	uint32_t (*compbuf_config_error)(struct hubbub *hubbub);

	struct hubbub_perfmon_funcs{

		void (*start_system_latency_measurement)(struct hubbub *hubbub);

		void (*get_system_latency_result)(struct hubbub *hubbub, uint32_t refclk_mhz, struct hubbub_system_latencies *latencies);

		void (*start_in_order_bandwidth_measurement)(struct hubbub *hubbub);

		void (*get_in_order_bandwidth_result)(struct hubbub *hubbub, uint32_t refclk_mhz, uint32_t *bandwidth_mbps);

		void (*start_urgent_ramp_latency_measurement)(struct hubbub *hubbub, const struct hubbub_urgent_latency_params *params);

		void (*get_urgent_ramp_latency_result)(struct hubbub *hubbub, uint32_t refclk_mhz, uint32_t *latency_ns);

		void (*reset)(struct hubbub *hubbub);

	} perfmon;

};



struct hubbub {