[PATCH review for 4.4 10/24] drm/amdgpu: when dpm disabled, also need to stop/start vce.

[Levin, Alexander (Sasha Levin)]

From: Rex Zhu <rex....@amd.com>

[ Upstream commit 28ed5504ab4b211a4e589e648e5ebd1e0caa7a6a ]

Signed-off-by: Rex Zhu <rex....@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Acked-by: Christian König <christian.koe...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <alexander.le...@verizon.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c 
b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index bb0da76051a1..e5da6f19b9b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -284,6 +284,10 @@ static void amdgpu_vce_idle_work_handler(struct 
work_struct *work)
                        amdgpu_dpm_enable_vce(adev, false);
                } else {
                        amdgpu_asic_set_vce_clocks(adev, 0, 0);
+                       amdgpu_set_powergating_state(adev, 
AMD_IP_BLOCK_TYPE_VCE,
+                                                           AMD_PG_STATE_GATE);
+                       amdgpu_set_clockgating_state(adev, 
AMD_IP_BLOCK_TYPE_VCE,
+                                                           AMD_CG_STATE_GATE);
                }
        } else {
                schedule_delayed_work(&adev->vce.idle_work,
@@ -315,6 +319,11 @@ static void amdgpu_vce_note_usage(struct amdgpu_device 
*adev)
                        amdgpu_dpm_enable_vce(adev, true);
                } else {
                        amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
+                       amdgpu_set_clockgating_state(adev, 
AMD_IP_BLOCK_TYPE_VCE,
+                                                           
AMD_CG_STATE_UNGATE);
+                       amdgpu_set_powergating_state(adev, 
AMD_IP_BLOCK_TYPE_VCE,
+                                                           
AMD_PG_STATE_UNGATE);
+
                }
        }
 }
-- 
2.11.0