Patch "drm/amd/powerplay: fix mclk not switching back after multi-head was disabled" has been added to the 4.8-stable tree

Patch "drm/amd/powerplay: fix mclk not switching back after multi-head was disabled" has been added to the 4.8-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

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

to the 4.8-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     drm-amd-powerplay-fix-mclk-not-switching-back-after-multi-head-was-disabled.patch
and it can be found in the queue-4.8 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 9716ebc38dfabe6c8e5e3c809e9f3c61dd3740f9 Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Wed, 14 Sep 2016 13:20:34 +0800
Subject: drm/amd/powerplay: fix mclk not switching back after multi-head was disabled

From: Rex Zhu <Rex.Zhu@amd.com>

commit 9716ebc38dfabe6c8e5e3c809e9f3c61dd3740f9 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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(-)

--- 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 di
 	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,
--- a/drivers/gpu/drm/amd/powerplay/eventmgr/psm.c
+++ b/drivers/gpu/drm/amd/powerplay/eventmgr/psm.c
@@ -100,11 +100,12 @@ int psm_adjust_power_state_dynamic(struc
 	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);
 		hwmgr->current_ps = requested;
 	}


Patches currently in stable-queue which might be from Rex.Zhu@amd.com are

queue-4.8/drm-amd-powerplay-fix-mclk-not-switching-back-after-multi-head-was-disabled.patch
queue-4.8/drm-amdgpu-change-vblank_time-s-calculation-method-to-reduce-computational-error.patch