Commit 39c5a1ce authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amd/powerplay: define an universal data structure for gpu metrics (V4) 



Thus we can provide an interface for UMD to retrieve gpu metrics data.

V2: better naming and comments
V3: two structures created for dGPU and APU separately
V4: add driver attached timestamp

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c16ce562

drivers/gpu/drm/amd/include/kgd_pp_interface.h

+108 −0
Original line number Diff line number Diff line
@@ -324,4 +324,112 @@ struct amd_pm_funcs { 
	int (*set_xgmi_pstate)(void *handle, uint32_t pstate);

};



struct metrics_table_header {

	uint16_t			structure_size;

	uint8_t				format_revision;

	uint8_t				content_revision;

};



struct gpu_metrics_v1_0 {

	struct metrics_table_header	common_header;



	/* Driver attached timestamp (in ns) */

	uint64_t			system_clock_counter;



	/* Temperature */

	uint16_t			temperature_edge;

	uint16_t			temperature_hotspot;

	uint16_t			temperature_mem;

	uint16_t			temperature_vrgfx;

	uint16_t			temperature_vrsoc;

	uint16_t			temperature_vrmem;



	/* Utilization */

	uint16_t			average_gfx_activity;

	uint16_t			average_umc_activity; // memory controller

	uint16_t			average_mm_activity; // UVD or VCN



	/* Power/Energy */

	uint16_t			average_socket_power;

	uint32_t			energy_accumulator;



	/* Average clocks */

	uint16_t			average_gfxclk_frequency;

	uint16_t			average_socclk_frequency;

	uint16_t			average_uclk_frequency;

	uint16_t			average_vclk0_frequency;

	uint16_t			average_dclk0_frequency;

	uint16_t			average_vclk1_frequency;

	uint16_t			average_dclk1_frequency;



	/* Current clocks */

	uint16_t			current_gfxclk;

	uint16_t			current_socclk;

	uint16_t			current_uclk;

	uint16_t			current_vclk0;

	uint16_t			current_dclk0;

	uint16_t			current_vclk1;

	uint16_t			current_dclk1;



	/* Throttle status */

	uint32_t			throttle_status;



	/* Fans */

	uint16_t			current_fan_speed;



	/* Link width/speed */

	uint8_t				pcie_link_width;

	uint8_t				pcie_link_speed; // in 0.1 GT/s

};



struct gpu_metrics_v2_0 {

	struct metrics_table_header	common_header;



	/* Driver attached timestamp (in ns) */

	uint64_t			system_clock_counter;



	/* Temperature */

	uint16_t			temperature_gfx; // gfx temperature on APUs

	uint16_t			temperature_soc; // soc temperature on APUs

	uint16_t			temperature_core[8]; // CPU core temperature on APUs

	uint16_t			temperature_l3[2];



	/* Utilization */

	uint16_t			average_gfx_activity;

	uint16_t			average_mm_activity; // UVD or VCN



	/* Power/Energy */

	uint16_t			average_socket_power; // dGPU + APU power on A + A platform

	uint16_t			average_cpu_power;

	uint16_t			average_soc_power;

	uint16_t			average_gfx_power;

	uint16_t			average_core_power[8]; // CPU core power on APUs



	/* Average clocks */

	uint16_t			average_gfxclk_frequency;

	uint16_t			average_socclk_frequency;

	uint16_t			average_uclk_frequency;

	uint16_t			average_fclk_frequency;

	uint16_t			average_vclk_frequency;

	uint16_t			average_dclk_frequency;



	/* Current clocks */

	uint16_t			current_gfxclk;

	uint16_t			current_socclk;

	uint16_t			current_uclk;

	uint16_t			current_fclk;

	uint16_t			current_vclk;

	uint16_t			current_dclk;

	uint16_t			current_coreclk[8]; // CPU core clocks

	uint16_t			current_l3clk[2];



	/* Throttle status */

	uint32_t			throttle_status;



	/* Fans */

	uint16_t			fan_pwm;



	uint16_t			padding;

};



#endif