linux-kernel - [PATCH 4.5 179/238] drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ

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Message-Id: <20160410183506.363596002@linuxfoundation.org>
Date:	Sun, 10 Apr 2016 11:35:56 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Alex Deucher <alexander.deucher@....com>,
	Eric Huang <JinHuiEric.Huang@....com>
Subject: [PATCH 4.5 179/238] drm/amd/powerplay: add uvd/vce dpm enabling flag to fix the performance issue for CZ

4.5-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Eric Huang <JinHuiEric.Huang@....com>

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@....com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@....com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 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;