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

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

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Wenjing Liu <wenjing.liu@amd.com>
Signed-off-by: Wayne Lin <wayne.lin@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wenjing Liu
2025-08-13 16:18:53 -04:00
committed by Alex Deucher
parent 215bed5489
commit f74291c1de
1 changed files with 22 additions and 0 deletions
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22
drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h
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@@ -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 {