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@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 19 ++++++++++++++++++-
1 file changed, 18 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 0c1beef..6c5c083 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -230,10 +230,27 @@ static int vcn_v1_0_hw_init(void *handle)
static int vcn_v1_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ struct amdgpu_ring *ring;
+ int i;
+
+ ring = &adev->vcn.inst->ring_dec;
+ ring->sched.ready = false;
+
+ for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
+ ring = &adev->vcn.inst->ring_enc[i];
+ ring->sched.ready = false;
+ }
+
+ ring = &adev->jpeg.inst->ring_dec;
+ ring->sched.ready = false;
+
+ cancel_delayed_work_sync(&adev->vcn.idle_work);
if ((adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) ||
- RREG32_SOC15(VCN, 0, mmUVD_STATUS))
+ (adev->vcn.cur_state != AMD_PG_STATE_GATE &&
+ RREG32_SOC15(VCN, 0, mmUVD_STATUS))) {
vcn_v1_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
+ }
return 0;
}
--
2.7.4
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