From 4a62542ae064e3b645d6bbf2295a6c05136956c6 Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Mon, 17 May 2021 16:39:17 -0400
Subject: [PATCH] drm/amdgpu/vcn3: add cancel_delayed_work_sync before power gate
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Git-commit: 4a62542ae064e3b645d6bbf2295a6c05136956c6
Patch-mainline: v5.13-rc4
References: git-fixes
Add cancel_delayed_work_sync before set power gating state
to avoid race condition issue when power gating.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index 14470da52113..3b23de996db2 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -372,15 +372,14 @@ static int vcn_v3_0_hw_init(void *handle)
static int vcn_v3_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
- struct amdgpu_ring *ring;
int i;
+ cancel_delayed_work_sync(&adev->vcn.idle_work);
+
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
- ring = &adev->vcn.inst[i].ring_dec;
-
if (!amdgpu_sriov_vf(adev)) {
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
(adev->vcn.cur_state != AMD_PG_STATE_GATE &&
--
2.26.2