drm/amd/powerplay: fix mclk not switching back after multi-head was disabled

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org

diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c
index 635fc4b..92b1178 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c
@@ -262,6 +262,8 @@ static const pem_event_action * const display_config_change_event[] = {
        unblock_adjust_power_state_tasks,
        set_cpu_power_state,
        notify_hw_power_source_tasks,
+       get_2d_performance_state_tasks,
+       set_performance_state_tasks,
        /* updateDALConfigurationTasks,
        variBrightDisplayConfigurationChangeTasks, */
        adjust_power_state_tasks,

diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/psm.c b/drivers/gpu/drm/amd/powerplay/eventmgr/psm.c
index 1d1875a..4899088 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/psm.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/psm.c
@@ -101,11 +101,12 @@ int psm_adjust_power_state_dynamic(struct pp_eventmgr *eventmgr, bool skip)
        if (requested == NULL)
                return 0;
 
+       phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);
+
        if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr, &pcurrent->hardware, &requested->hardware, &equal)))
                equal = false;
 
        if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) {
-               phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);
                phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);
                memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size);
        }