From 91d597931959f494b800222a34ba6539fcdcf6ee Mon Sep 17 00:00:00 2001 From: James Zhu Date: Tue, 9 Oct 2018 16:59:57 -0400 Subject: [PATCH 5568/5725] drm/amdgpu/vcn:Set VCPU busy after gate power during vcn SPG start Set VCPU busy after gate power during vcn Static Power Gate start Signed-off-by: James Zhu Acked-by: Leo Liu Acked-by: Alex Deucher --- 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 a513518..9f650a3 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