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authorJames Zhu <James.Zhu@amd.com>2018-10-09 16:59:57 -0400
committerAlex Deucher <alexander.deucher@amd.com>2018-10-12 12:55:52 -0500
commit10b66b2c65a271998042259b7fffafdd76809ad1 (patch)
tree3b8aca451792c01854a3c55f59261168337d6b63 /drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
parent3d904ee4c30e5a91bdad363624f46bf484fd604a (diff)
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 <James.Zhu@amd.com> Acked-by: Leo Liu <leo.liu@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index 153f23acf8dd..d8fe14d43db0 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);