drm/amdgpu/vcn:Update SPG mode UVD status clear

Update Static Power Gate mode UVD status clear

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>

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
index d8fe14d..bc64706 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
@@ -883,9 +883,9 @@ static int vcn_v1_0_start_spg_mode(struct amdgpu_device *adev)
                UVD_SYS_INT_EN__UVD_JRBC_EN_MASK,
                ~UVD_SYS_INT_EN__UVD_JRBC_EN_MASK);
 
-       /* clear the bit 4 of VCN_STATUS */
-       WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0,
-                       ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
+       /* clear the busy bit of UVD_STATUS */
+       tmp = RREG32_SOC15(UVD, 0, mmUVD_STATUS) & ~UVD_STATUS__UVD_BUSY;
+       WREG32_SOC15(UVD, 0, mmUVD_STATUS, tmp);
 
        /* force RBC into idle state */
        rb_bufsz = order_base_2(ring->ring_size);