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From ca9acb3b58ca563a798b46ff5a814f02e4d1e8ca Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Sat, 11 Apr 2020 08:41:52 -0400
Subject: Revert "drm/amdgpu: Disable gfx off if VCN is busy"
Git-commit: 4f610503f0077c1d149b9f98c3fa966fb9551e85
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

This reverts commit 3fded222f4bf7f4c56ef4854872a39a4de08f7a8
This is work around for vcn1 only. Currently vcn1 has separate
begin_use and idle work handle.

Signed-off-by: James Zhu <James.Zhu@amd.com>
Tested-by: changzhu <Changfeng.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index dab34f695121..2de99b441601 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -353,7 +353,6 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
 	}
 
 	if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
-		amdgpu_gfx_off_ctrl(adev, true);
 		amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
 		       AMD_PG_STATE_GATE);
 	} else {
@@ -369,7 +368,6 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
 	cancel_delayed_work_sync(&adev->vcn.idle_work);
 
 	mutex_lock(&adev->vcn.vcn_pg_lock);
-	amdgpu_gfx_off_ctrl(adev, false);
 	amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
 	       AMD_PG_STATE_UNGATE);
 
-- 
2.28.0