drm/amd/powerplay: add atomctrl_get_voltage_evv function in ppatomctrl (e68d4648) · Commits · 戴 / test

drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c

+46 −0

Original line number	Diff line number	Diff line
		@@ -1079,6 +1079,52 @@ int atomctrl_get_voltage_evv_on_sclk(
		return result;
		}

		/**
		* atomctrl_get_voltage_evv gets voltage via call to ATOM COMMAND table.
		* @param hwmgr input: pointer to hwManager
		* @param virtual_voltage_id input: voltage id which match per voltage DPM state: 0xff01, 0xff02.. 0xff08
		* @param voltage output: real voltage level in unit of mv
		*/
		int atomctrl_get_voltage_evv(struct pp_hwmgr *hwmgr,
		uint16_t virtual_voltage_id,
		uint16_t *voltage)
		{
		int result;
		int entry_id;
		GET_VOLTAGE_INFO_INPUT_PARAMETER_V1_2 get_voltage_info_param_space;

		/* search for leakage voltage ID 0xff01 ~ 0xff08 and sckl */
		for (entry_id = 0; entry_id < hwmgr->dyn_state.vddc_dependency_on_sclk->count; entry_id++) {
		if (hwmgr->dyn_state.vddc_dependency_on_sclk->entries[entry_id].v == virtual_voltage_id) {
		/* found */
		break;
		}
		}

		PP_ASSERT_WITH_CODE(entry_id < hwmgr->dyn_state.vddc_dependency_on_sclk->count,
		"Can't find requested voltage id in vddc_dependency_on_sclk table!",
		return -EINVAL;
		);

		get_voltage_info_param_space.ucVoltageType = VOLTAGE_TYPE_VDDC;
		get_voltage_info_param_space.ucVoltageMode = ATOM_GET_VOLTAGE_EVV_VOLTAGE;
		get_voltage_info_param_space.usVoltageLevel = virtual_voltage_id;
		get_voltage_info_param_space.ulSCLKFreq =
		cpu_to_le32(hwmgr->dyn_state.vddc_dependency_on_sclk->entries[entry_id].clk);

		result = cgs_atom_exec_cmd_table(hwmgr->device,
		GetIndexIntoMasterTable(COMMAND, GetVoltageInfo),
		&get_voltage_info_param_space);

		if (0 != result)
		return result;

		voltage = le16_to_cpu(((GET_EVV_VOLTAGE_INFO_OUTPUT_PARAMETER_V1_2 )
		(&get_voltage_info_param_space))->usVoltageLevel);

		return result;
		}

		/**
		* Get the mpll reference clock in 10KHz
		*/

drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -281,6 +281,7 @@ struct pp_atom_ctrl__avfs_parameters {

		extern bool atomctrl_get_pp_assign_pin(struct pp_hwmgr hwmgr, const uint32_t pinId, pp_atomctrl_gpio_pin_assignment gpio_pin_assignment);
		extern int atomctrl_get_voltage_evv_on_sclk(struct pp_hwmgr hwmgr, uint8_t voltage_type, uint32_t sclk, uint16_t virtual_voltage_Id, uint16_t voltage);
		extern int atomctrl_get_voltage_evv(struct pp_hwmgr hwmgr, uint16_t virtual_voltage_id, uint16_t voltage);
		extern uint32_t atomctrl_get_mpll_reference_clock(struct pp_hwmgr *hwmgr);
		extern int atomctrl_get_memory_clock_spread_spectrum(struct pp_hwmgr hwmgr, const uint32_t memory_clock, pp_atomctrl_internal_ss_info ssInfo);
		extern int atomctrl_get_engine_clock_spread_spectrum(struct pp_hwmgr hwmgr, const uint32_t engine_clock, pp_atomctrl_internal_ss_info ssInfo);

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