From: Yintian Tao Date: Mon, 20 Aug 2018 03:11:48 +0000 (+0800) Subject: drm/powerplay: enable dpm under pass-through X-Git-Tag: v4.19-rc1~28^2~1^2~6 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=11a88c2e92feca1ed3fba19fa375f76d3c75f5d5;p=linux.git 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 --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c b/drivers/gpu/drm/amd/powerplay/hwmgr/hardwaremanager.c index 53207e76b0f3..6ef3c875fedd 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; }