From: Rex Zhu Date: Fri, 6 Oct 2017 12:17:16 +0800 Subject: drm/amd/powerplay: fix mclk can't switch on Tonga Git-commit: 4b6aca2f59dca3228a370ddefc94f3a44e57c772 Patch-mainline: v4.15-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 regression issue caused by commit 47047263c52779f1f3393c32e3e53661b53a372e ("drm/amd/powerplay: delete eventmgr related files.") Reviewed-by: Evan Quan Signed-off-by: Rex Zhu Signed-off-by: Alex Deucher Acked-by: Petr Tesarik --- drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 1 - drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c | 6 +++++- 2 files changed, 5 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c @@ -292,7 +292,6 @@ int hwmgr_hw_fini(struct pp_instance *ha phm_stop_thermal_controller(hwmgr); psm_set_boot_states(hwmgr); - phm_display_configuration_changed(hwmgr); psm_adjust_power_state_dynamic(hwmgr, false, NULL); phm_disable_dynamic_state_management(hwmgr); phm_disable_clock_power_gatings(hwmgr); --- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c @@ -224,6 +224,8 @@ int psm_adjust_power_state_dynamic(struc if (skip) return 0; + phm_display_configuration_changed(hwmgr); + if (new_ps != NULL) requested = new_ps; else @@ -232,7 +234,6 @@ int psm_adjust_power_state_dynamic(struc pcurrent = hwmgr->current_ps; phm_apply_state_adjust_rules(hwmgr, requested, pcurrent); - if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr, &pcurrent->hardware, &requested->hardware, &equal))) equal = false; @@ -241,6 +242,9 @@ int psm_adjust_power_state_dynamic(struc phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware); memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size); } + + phm_notify_smc_display_config_after_ps_adjustment(hwmgr); + return 0; }