From: Yintian Tao <yttao@amd.com>
Date: Mon, 20 Aug 2018 11:11:48 +0800
Subject: drm/powerplay: enable dpm under pass-through
Git-commit: 11a88c2e92feca1ed3fba19fa375f76d3c75f5d5
Patch-mainline: v4.19-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Repeat enable dpm under pass-through because there is no actually
hardware-fini and real power-off when guest vm shutdown or reboot.
Otherwise, under pass-through it will be failed to populate populate
and upload SCLK MCLK DPM levels due to zero of pcie_speed_table.count.
Signed-off-by: Yintian Tao <yttao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c
@@ -75,10 +75,12 @@ int phm_set_power_state(struct pp_hwmgr
int phm_enable_dynamic_state_management(struct pp_hwmgr *hwmgr)
{
+ struct amdgpu_device *adev = NULL;
int ret = -EINVAL;;
PHM_FUNC_CHECK(hwmgr);
+ adev = hwmgr->adev;
- if (smum_is_dpm_running(hwmgr)) {
+ if (smum_is_dpm_running(hwmgr) && !amdgpu_passthrough(adev)) {
pr_info("dpm has been enabled\n");
return 0;
}