Commit 88810f90 authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amd/powerplay: get bootup fclk value 



This is available with firmwareinfo table v3.2 or later.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Reviewed-by: default avatarKevin Wang <kevin1.wang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9aef809b

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

+3 −0
Original line number Diff line number Diff line
@@ -222,6 +222,9 @@ struct smu_bios_boot_up_values 
	uint16_t			vdd_gfx;

	uint8_t				cooling_id;

	uint32_t			pp_table_id;

	uint32_t			format_revision;

	uint32_t			content_revision;

	uint32_t			fclk;

};



enum smu_table_id

drivers/gpu/drm/amd/powerplay/smu_v11_0.c

+21 −0
Original line number Diff line number Diff line
@@ -570,6 +570,9 @@ int smu_v11_0_get_vbios_bootup_values(struct smu_context *smu) 
		smu->smu_table.boot_values.pp_table_id = v_3_3->pplib_pptable_id;

	}



	smu->smu_table.boot_values.format_revision = header->format_revision;

	smu->smu_table.boot_values.content_revision = header->content_revision;



	return 0;

}
@@ -649,6 +652,24 @@ static int smu_v11_0_get_clk_info_from_vbios(struct smu_context *smu) 
	output = (struct atom_get_smu_clock_info_output_parameters_v3_1 *)&input;

	smu->smu_table.boot_values.dclk = le32_to_cpu(output->atom_smu_outputclkfreq.smu_clock_freq_hz) / 10000;



	if ((smu->smu_table.boot_values.format_revision == 3) &&

	    (smu->smu_table.boot_values.content_revision >= 2)) {

		memset(&input, 0, sizeof(input));

		input.clk_id = SMU11_SYSPLL1_0_FCLK_ID;

		input.syspll_id = SMU11_SYSPLL1_2_ID;

		input.command = GET_SMU_CLOCK_INFO_V3_1_GET_CLOCK_FREQ;

		index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1,

						    getsmuclockinfo);



		ret = amdgpu_atom_execute_table(adev->mode_info.atom_context, index,

						(uint32_t *)&input);

		if (ret)

			return -EINVAL;



		output = (struct atom_get_smu_clock_info_output_parameters_v3_1 *)&input;

		smu->smu_table.boot_values.fclk = le32_to_cpu(output->atom_smu_outputclkfreq.smu_clock_freq_hz) / 10000;

	}



	return 0;

}