Patch "drm/amd/powerplay: fix vce cg logic error on CZ/St." has been added to the 4.9-stable tree

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

drm/amd/powerplay: fix vce cg logic error on CZ/St.

to the 4.9-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-vce-cg-logic-error-on-cz-st.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Rex Zhu <[email protected]>
Date: Tue, 10 Jan 2017 19:26:49 +0800
Subject: drm/amd/powerplay: fix vce cg logic error on CZ/St.

From: Rex Zhu <[email protected]>

[ Upstream commit 3731d12dce83d47b357753ffc450ce03f1b49688 ]

can fix Bug 191281: vce ib test failed.

when vce idle, set vce clock gate, so the clock
in vce domain will be disabled.
when need to encode, disable vce clock gate,
enable the clocks to vce engine.

---
 drivers/gpu/drm/amd/powerplay/hwmgr/cz_clockpowergating.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

@@ -200,7 +200,7 @@ int cz_dpm_powergate_vce(struct pp_hwmgr
 				cgs_set_clockgating_state(
 							hwmgr->device,
 							AMD_IP_BLOCK_TYPE_VCE,
-							AMD_CG_STATE_UNGATE);
+							AMD_CG_STATE_GATE);
 				cgs_set_powergating_state(
 							hwmgr->device,
 							AMD_IP_BLOCK_TYPE_VCE,

@@ -218,7 +218,7 @@ int cz_dpm_powergate_vce(struct pp_hwmgr
 				cgs_set_clockgating_state(
 							hwmgr->device,
 							AMD_IP_BLOCK_TYPE_VCE,
-							AMD_PG_STATE_GATE);
+							AMD_PG_STATE_UNGATE);
 				cz_dpm_update_vce_dpm(hwmgr);
 				cz_enable_disable_vce_dpm(hwmgr, true);
 				return 0;

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/drm-amd-powerplay-fix-vce-cg-logic-error-on-cz-st.patch queue-4.9/drm-amdgpu-fix-program-vce-instance-logic-error.patch queue-4.9/drm-amd-powerplay-refine-vce-dpm-update-code-on-cz.patch