[PATCH 17/18] drm/amdgpu/vcn:Set VCPU busy after gate power during vcn SPG start

[James Zhu]

Set VCPU busy after gate power during vcn Static Power Gate start

Signed-off-by: James Zhu <James.Zhu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 153f23a..d8fe14d 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -777,6 +777,10 @@ static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev)
 	lmi_swap_cntl = 0;
 
 	vcn_1_0_disable_static_power_gating(adev);
+
+	tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
+	WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
+
 	/* disable clock gating */
 	vcn_v1_0_disable_clock_gating(adev);
 
-- 
2.7.4