drm/radeon/cik: implement some more atom helpers for DPM (62c35fd7) · Commits · jan.koester / Linux

drivers/gpu/drm/radeon/radeon_atombios.c

+115 −0

Original line number	Diff line number	Diff line
		@@ -3077,6 +3077,121 @@ int radeon_atom_get_leakage_vddc_based_on_leakage_idx(struct radeon_device *rdev
		return radeon_atom_get_max_vddc(rdev, VOLTAGE_TYPE_VDDC, leakage_idx, voltage);
		}

		int radeon_atom_get_leakage_id_from_vbios(struct radeon_device *rdev,
		u16 *leakage_id)
		{
		union set_voltage args;
		int index = GetIndexIntoMasterTable(COMMAND, SetVoltage);
		u8 frev, crev;

		if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
		return -EINVAL;

		switch (crev) {
		case 3:
		case 4:
		args.v3.ucVoltageType = 0;
		args.v3.ucVoltageMode = ATOM_GET_LEAKAGE_ID;
		args.v3.usVoltageLevel = 0;

		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);

		*leakage_id = le16_to_cpu(args.v3.usVoltageLevel);
		break;
		default:
		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
		return -EINVAL;
		}

		return 0;
		}

		int radeon_atom_get_leakage_vddc_based_on_leakage_params(struct radeon_device *rdev,
		u16 vddc, u16 vddci,
		u16 virtual_voltage_id,
		u16 vbios_voltage_id)
		{
		int index = GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo);
		u8 frev, crev;
		u16 data_offset, size;
		int i, j;
		ATOM_ASIC_PROFILING_INFO_V2_1 *profile;
		u16 leakage_bin, vddc_id_buf, vddc_buf, vddci_id_buf, *vddci_buf;

		*vddc = 0;
		*vddci = 0;

		if (!atom_parse_data_header(rdev->mode_info.atom_context, index, &size,
		&frev, &crev, &data_offset))
		return -EINVAL;

		profile = (ATOM_ASIC_PROFILING_INFO_V2_1 *)
		(rdev->mode_info.atom_context->bios + data_offset);

		switch (frev) {
		case 1:
		return -EINVAL;
		case 2:
		switch (crev) {
		case 1:
		if (size < sizeof(ATOM_ASIC_PROFILING_INFO_V2_1))
		return -EINVAL;
		leakage_bin = (u16 *)
		(rdev->mode_info.atom_context->bios + data_offset +
		le16_to_cpu(profile->usLeakageBinArrayOffset));
		vddc_id_buf = (u16 *)
		(rdev->mode_info.atom_context->bios + data_offset +
		le16_to_cpu(profile->usElbVDDC_IdArrayOffset));
		vddc_buf = (u16 *)
		(rdev->mode_info.atom_context->bios + data_offset +
		le16_to_cpu(profile->usElbVDDC_LevelArrayOffset));
		vddci_id_buf = (u16 *)
		(rdev->mode_info.atom_context->bios + data_offset +
		le16_to_cpu(profile->usElbVDDCI_IdArrayOffset));
		vddci_buf = (u16 *)
		(rdev->mode_info.atom_context->bios + data_offset +
		le16_to_cpu(profile->usElbVDDCI_LevelArrayOffset));

		if (profile->ucElbVDDC_Num > 0) {
		for (i = 0; i < profile->ucElbVDDC_Num; i++) {
		if (vddc_id_buf[i] == virtual_voltage_id) {
		for (j = 0; j < profile->ucLeakageBinNum; j++) {
		if (vbios_voltage_id <= leakage_bin[j]) {
		vddc = vddc_buf[j profile->ucElbVDDC_Num + i];
		break;
		}
		}
		break;
		}
		}
		}
		if (profile->ucElbVDDCI_Num > 0) {
		for (i = 0; i < profile->ucElbVDDCI_Num; i++) {
		if (vddci_id_buf[i] == virtual_voltage_id) {
		for (j = 0; j < profile->ucLeakageBinNum; j++) {
		if (vbios_voltage_id <= leakage_bin[j]) {
		vddci = vddci_buf[j profile->ucElbVDDCI_Num + i];
		break;
		}
		}
		break;
		}
		}
		}
		break;
		default:
		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
		return -EINVAL;
		}
		break;
		default:
		DRM_ERROR("Unknown table version %d, %d\n", frev, crev);
		return -EINVAL;
		}

		return 0;
		}

		int radeon_atom_get_voltage_gpio_settings(struct radeon_device *rdev,
		u16 voltage_level, u8 voltage_type,
		u32 gpio_value, u32 gpio_mask)