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From 3b8ac3166f5678c6abc5fc4e8796306f806e6a89 Mon Sep 17 00:00:00 2001
From: Jack Xiao <Jack.Xiao@amd.com>
Date: Thu, 18 Apr 2019 16:20:10 +0800
Subject: [PATCH 2309/2940] drm/amdgpu/vcn2: notify SMU power up/down VCN
For sw control power gating, it needs notify SMU to power up/down VCN
when enter/exit working state.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
index 1b9770cb650b..7609e63e59bc 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v2_0.c
@@ -27,6 +27,7 @@
#include "amdgpu_vcn.h"
#include "soc15.h"
#include "soc15d.h"
+#include "amdgpu_pm.h"
#include "vcn/vcn_2_0_0_offset.h"
#include "vcn/vcn_2_0_0_sh_mask.h"
@@ -779,6 +780,9 @@ static int vcn_v2_0_start(struct amdgpu_device *adev)
uint32_t lmi_swap_cntl;
int i, j, r;
+ if (adev->pm.dpm_enabled)
+ amdgpu_dpm_enable_uvd(adev, true);
+
vcn_v2_0_disable_static_power_gating(adev);
/* set uvd status busy */
@@ -991,6 +995,9 @@ static int vcn_v2_0_stop(struct amdgpu_device *adev)
vcn_v2_0_enable_clock_gating(adev);
vcn_v2_0_enable_static_power_gating(adev);
+ if (adev->pm.dpm_enabled)
+ amdgpu_dpm_enable_uvd(adev, false);
+
return 0;
}
--
2.17.1
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