drm/amd/pm: new gpu_metrics structure for pmfw attached timestamp

Supported by some latest ASICs.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -474,6 +474,68 @@ struct gpu_metrics_v1_1 {
 	uint16_t			temperature_hbm[NUM_HBM_INSTANCES];
 };
 
+struct gpu_metrics_v1_2 {
+	struct metrics_table_header	common_header;
+
+	/* 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;
+	uint64_t			energy_accumulator;
+
+	/* Driver attached timestamp (in ns) */
+	uint64_t			system_clock_counter;
+
+	/* 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 */
+	uint16_t			pcie_link_width;
+	uint16_t			pcie_link_speed; // in 0.1 GT/s
+
+	uint16_t			padding;
+
+	uint32_t			gfx_activity_acc;
+	uint32_t			mem_activity_acc;
+
+	uint16_t			temperature_hbm[NUM_HBM_INSTANCES];
+
+	/* PMFW attached timestamp (10ns resolution) */
+	uint64_t			firmware_timestamp;
+};
+
 /*
  * gpu_metrics_v2_0 is not recommended as it's not naturally aligned.
  * Use gpu_metrics_v2_1 or later instead.