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authorXiaojian Du <Xiaojian.Du@amd.com>2021-05-25 13:29:53 +0300
committerAlex Deucher <alexander.deucher@amd.com>2021-06-02 05:46:05 +0300
commite0172928ae05da1c019ca345621ffea49740b3cd (patch)
treea8ded1f2e29b25d483e4fecad2ec2517694b6bc1 /drivers/gpu/drm/amd/pm/powerplay
parentbcd743741f767a41e1f573a8f1a93035fcaa8f8f (diff)
downloadlinux-e0172928ae05da1c019ca345621ffea49740b3cd.tar.xz
drm/amd/pm: retain the fine grain tuning parameters after resume
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>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay')
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/hardwaremanager.c3
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c21
2 files changed, 23 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hardwaremanager.c
index 25b5831a15cd..981dc8c7112d 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hardwaremanager.c
@@ -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;
}
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
index f5fe540cd536..8f71f6a4bb49 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu10_hwmgr.c
@@ -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;
}