From 11a88c2e92feca1ed3fba19fa375f76d3c75f5d5 Mon Sep 17 00:00:00 2001 From: Yintian Tao Date: Mon, 20 Aug 2018 11:11:48 +0800 Subject: [PATCH] drm/powerplay: enable dpm under pass-through 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c index 53207e7..6ef3c87 100644 --- 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 *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; } -- 2.7.4