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drm/amd/pm: retain the fine grain tuning parameters after resume

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This patch is to retain the fine grain tuning parameters after resume for
legacy APU, it will cover Raven/Raven2/Picasso.

Signed-off-by: Xiaojian Du <Xiaojian.Du@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Xiaojian Du 2021-05-25 18:29:53 +08:00 committed by Alex Deucher
parent bcd743741f
commit e0172928ae
2 changed files with 23 additions and 1 deletions
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3
drivers/gpu/drm/amd/pm/powerplay/hwmgr/hardwaremanager.c
View File

@ -82,7 +82,8 @@ int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
/* Skip for suspend/resume case */
if (!hwmgr->pp_one_vf && smum_is_dpm_running(hwmgr)
&& !amdgpu_passthrough(adev) && adev->in_suspend) {
&& !amdgpu_passthrough(adev) && adev->in_suspend
&& adev->asic_type != CHIP_RAVEN) {
pr_info("dpm has been enabled\n");
return 0;
}

21
drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
View File

@ -377,6 +377,27 @@ static int smu10_enable_gfx_off(struct pp_hwmgr *hwmgr)
static int smu10_enable_dpm_tasks(struct pp_hwmgr *hwmgr)
{
struct amdgpu_device *adev = hwmgr->adev;
struct smu10_hwmgr *smu10_data = (struct smu10_hwmgr *)(hwmgr->backend);
int ret = -EINVAL;
if (adev->in_suspend) {
pr_info("restore the fine grain parameters\n");
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetHardMinGfxClk,
smu10_data->gfx_actual_soft_min_freq,
NULL);
if (ret)
return ret;
ret = smum_send_msg_to_smc_with_parameter(hwmgr,
PPSMC_MSG_SetSoftMaxGfxClk,
smu10_data->gfx_actual_soft_max_freq,
NULL);
if (ret)
return ret;
}
return 0;
}