This is a note to let you know that I've just added the patch titled
drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ
to the 4.5-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-add-uvd-vce-dpm-enabling-flag-to-fix-the-performance-issue-for-cz.patch
and it can be found in the queue-4.5 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 60123300db80b17251b4de5e98c63e288c6f7b46 Mon Sep 17 00:00:00 2001
From: Eric Huang <JinHuiEric.Huang@xxxxxxx>
Date: Tue, 15 Mar 2016 17:00:22 -0400
Subject: drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ
From: Eric Huang <JinHuiEric.Huang@xxxxxxx>
commit 60123300db80b17251b4de5e98c63e288c6f7b46 upstream.
Set the UVD and VCE DPM flags otherwise UVD and VCE DPM won't get enabled.
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Eric Huang <JinHuiEric.Huang@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/cz_hwmgr.c
@@ -241,6 +241,11 @@ static int cz_initialize_dpm_defaults(st
phm_cap_set(hwmgr->platform_descriptor.platformCaps,
PHM_PlatformCaps_DynamicUVDState);
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_UVDDPM);
+ phm_cap_set(hwmgr->platform_descriptor.platformCaps,
+ PHM_PlatformCaps_VCEDPM);
+
cz_hwmgr->cc6_settings.cpu_cc6_disable = false;
cz_hwmgr->cc6_settings.cpu_pstate_disable = false;
cz_hwmgr->cc6_settings.nb_pstate_switch_disable = false;
Patches currently in stable-queue which might be from JinHuiEric.Huang@xxxxxxx are
queue-4.5/drm-amd-powerplay-add-uvd-vce-dpm-enabling-flag-to-fix-the-performance-issue-for-cz.patch
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