From 0a9b89b2e2e7b6d90f81ddc47e489be1043e01b1 Mon Sep 17 00:00:00 2001
From: James Zhu <James.Zhu@amd.com>
Date: Mon, 3 Dec 2018 22:04:28 -0500
Subject: drm/amdgpu/vcn: Update vcn.cur_state during suspend
Git-commit: 0a9b89b2e2e7b6d90f81ddc47e489be1043e01b1
Patch-mainline: v4.20-rc6
References: bsc#1113956
Replace vcn_v1_0_stop with vcn_v1_0_set_powergating_state during suspend,
to keep adev->vcn.cur_state update. It will fix VCN S3 hung issue.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index eae90922fdbe..322e09b5b448 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -48,6 +48,7 @@ static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev);
static void vcn_v1_0_set_jpeg_ring_funcs(struct amdgpu_device *adev);
static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev);
static void vcn_v1_0_jpeg_ring_set_patch_ring(struct amdgpu_ring *ring, uint32_t ptr);
+static int vcn_v1_0_set_powergating_state(void *handle, enum amd_powergating_state state);
/**
* vcn_v1_0_early_init - set function pointers
@@ -222,7 +223,7 @@ static int vcn_v1_0_hw_fini(void *handle)
struct amdgpu_ring *ring = &adev->vcn.ring_dec;
if (RREG32_SOC15(VCN, 0, mmUVD_STATUS))
- vcn_v1_0_stop(adev);
+ vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
ring->ready = false;
--
2.20.1