drm/amd/powerplay: implement ASIC specific thermal throttling logging (8c0bba64) · Commits · 戴 / test

drivers/gpu/drm/amd/powerplay/arcturus_ppt.c

+44 −0

Original line number	Diff line number	Diff line
		@@ -2329,6 +2329,49 @@ static int arcturus_allow_xgmi_power_down(struct smu_context *smu, bool en)
		NULL);
		}

		static const struct throttling_logging_label {
		uint32_t feature_mask;
		const char *label;
		} logging_label[] = {
		{(1U << THROTTLER_TEMP_HOTSPOT_BIT), "GPU"},
		{(1U << THROTTLER_TEMP_MEM_BIT), "HBM"},
		{(1U << THROTTLER_TEMP_VR_GFX_BIT), "VR of GFX rail"},
		{(1U << THROTTLER_TEMP_VR_MEM_BIT), "VR of HBM rail"},
		{(1U << THROTTLER_TEMP_VR_SOC_BIT), "VR of SOC rail"},
		{(1U << THROTTLER_VRHOT0_BIT), "VR0 HOT"},
		{(1U << THROTTLER_VRHOT1_BIT), "VR1 HOT"},
		};
		static void arcturus_log_thermal_throttling_event(struct smu_context *smu)
		{
		int throttler_idx, throtting_events = 0, buf_idx = 0;
		struct amdgpu_device *adev = smu->adev;
		SmuMetrics_t metrics;
		char log_buf[256];

		arcturus_get_metrics_table(smu, &metrics);

		memset(log_buf, 0, sizeof(log_buf));
		for (throttler_idx = 0; throttler_idx < ARRAY_SIZE(logging_label);
		throttler_idx++) {
		if (metrics.ThrottlerStatus & logging_label[throttler_idx].feature_mask) {
		throtting_events++;
		buf_idx += snprintf(log_buf + buf_idx,
		sizeof(log_buf) - buf_idx,
		"%s%s",
		throtting_events > 1 ? " and " : "",
		logging_label[throttler_idx].label);
		if (buf_idx >= sizeof(log_buf)) {
		pr_err("buffer overflow!\n");
		log_buf[sizeof(log_buf) - 1] = '\0';
		break;
		}
		}
		}

		dev_warn(adev->dev, "WARN: GPU thermal throttling temperature reached, expect performance decrease. %s.\n",
		log_buf);
		}

		static const struct pptable_funcs arcturus_ppt_funcs = {
		/* translate smu index into arcturus specific index */
		.get_smu_msg_index = arcturus_get_smu_msg_index,
		@@ -2423,6 +2466,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
		.get_pptable_power_limit = arcturus_get_pptable_power_limit,
		.set_df_cstate = arcturus_set_df_cstate,
		.allow_xgmi_power_down = arcturus_allow_xgmi_power_down,
		.log_thermal_throttling_event = arcturus_log_thermal_throttling_event,
		};

		void arcturus_set_ppt_funcs(struct smu_context *smu)

drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -575,6 +575,7 @@ struct pptable_funcs {
		uint32_t (get_pptable_power_limit)(struct smu_context smu);
		int (disable_umc_cdr_12gbps_workaround)(struct smu_context smu);
		int (set_power_source)(struct smu_context smu, enum smu_power_src_type power_src);
		void (log_thermal_throttling_event)(struct smu_context smu);
		};

		int smu_load_microcode(struct smu_context *smu);

drivers/gpu/drm/amd/powerplay/smu_internal.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -219,4 +219,6 @@ static inline int smu_send_smc_msg(struct smu_context *smu, enum smu_message_typ
		#define smu_i2c_eeprom_fini(smu, control) \
		((smu)->ppt_funcs->i2c_eeprom_fini ? (smu)->ppt_funcs->i2c_eeprom_fini((control)) : 0)

		#define smu_log_thermal_throttling(smu) \
		((smu)->ppt_funcs->log_thermal_throttling_event ? (smu)->ppt_funcs->log_thermal_throttling_event((smu)) : 0)
		#endif

Admin message