diff options
| author | Wenjing Liu <wenjing.liu@amd.com> | 2025-08-13 16:18:53 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-09-05 17:38:41 -0400 |
| commit | f74291c1de320c3aa36f053280f30ebdc122576b (patch) | |
| tree | 1e559957ccbc280d9b8c38cf960ff32c10bcac0b | |
| parent | 215bed54897bae6352e4850a03063739c55f7e9a (diff) | |
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: 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>
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h index 9bee45b36629..843a18287c83 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h @@ -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 { |