iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/amd/powerplay: get bootup fclk value

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

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Evan Quan 2019-08-16 13:47:01 +08:00 committed by Alex Deucher
parent 9aef809b5c
commit 88810f907b
2 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -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

21
drivers/gpu/drm/amd/powerplay/smu_v11_0.c
View File

@ -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;
}