From 9716ebc38dfabe6c8e5e3c809e9f3c61dd3740f9 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Wed, 14 Sep 2016 13:20:34 +0800 Subject: [PATCH] drm/amd/powerplay: fix mclk not switching back after multi-head was disabled Signed-off-by: Rex Zhu Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c | 2 ++ drivers/gpu/drm/amd/powerplay/eventmgr/psm.c | 3 ++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c b/drivers/gpu/drm/amd/powerplay/eventmgr/eventactionchains.c index 635fc4b48184..92b117843875 100644 --- 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 1d1875a7cb2d..489908887e9c 100644 --- 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); } -- 2.20.1