drm/amdgpu/vcn: Need to unpause dpg before stop dpg

Need to unpause dpg first, or it will hit follow error during stop dpg:
"[drm] Register(1) [regUVD_POWER_STATUS] failed to reach value 0x00000001 != 0x00000000n"

Signed-off-by: Emily Deng <Emily.Deng@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index b48bb52..2597950 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -1424,8 +1424,10 @@ static int vcn_v4_0_start_sriov(struct amdgpu_device *adev)
  */
 static void vcn_v4_0_stop_dpg_mode(struct amdgpu_device *adev, int inst_idx)
 {
+       struct dpg_pause_state state = {.fw_based = VCN_DPG_STATE__UNPAUSE};
        uint32_t tmp;
 
+       vcn_v4_0_pause_dpg_mode(adev, inst_idx, &state);
        /* Wait for power status to be 1 */
        SOC15_WAIT_ON_RREG(VCN, inst_idx, regUVD_POWER_STATUS, 1,
                UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);