this patch is a workaround for the gpu hang
at video end time if play video with gfx off enabled.
Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index 798648a..878f62c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -214,6 +214,7 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
fences += amdgpu_fence_count_emitted(&adev->vcn.ring_jpeg);
if (fences == 0) {
+ amdgpu_gfx_off_ctrl(adev, true);
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_uvd(adev, false);
else
@@ -230,6 +231,7 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
bool set_clocks = !cancel_delayed_work_sync(&adev->vcn.idle_work);
if (set_clocks) {
+ amdgpu_gfx_off_ctrl(adev, false);
if (adev->pm.dpm_enabled)
amdgpu_dpm_enable_uvd(adev, true);
else
--
1.9.1
