drm/amdgpu/vcn2.5: fix a bug for the 2nd vcn instance (v2)

Fix a bug for the 2nd vcn instance at start and stop.

v2: squash in unused label removal.

Signed-off-by: James Zhu <[e-mail]>
Reviewed-by: Leo Liu <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/vcn_v2_5.c

···
 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 		if (adev->vcn.harvest_config & (1 << i))
 			continue;
-		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
-			return vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
+		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
+			r = vcn_v2_5_start_dpg_mode(adev, i, adev->vcn.indirect_sram);
+			continue;
+		}
 
 		/* disable register anti-hang mechanism */
 		WREG32_P(SOC15_REG_OFFSET(UVD, i, mmUVD_POWER_STATUS), 0,
···
 		tmp = RREG32_SOC15(UVD, i, mmUVD_STATUS) | UVD_STATUS__UVD_BUSY;
 		WREG32_SOC15(UVD, i, mmUVD_STATUS, tmp);
 	}
+
+	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)
+		return 0;
 
 	/*SW clock gating */
 	vcn_v2_5_disable_clock_gating(adev);
···
 	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
 		if (adev->vcn.harvest_config & (1 << i))
 			continue;
-
 		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
 			r = vcn_v2_5_stop_dpg_mode(adev, i);
-			goto power_off;
+			continue;
 		}
 
 		/* wait for vcn idle */
···
 			~UVD_POWER_STATUS__UVD_POWER_STATUS_MASK);
 	}
 
-power_off:
 	if (adev->pm.dpm_enabled)
 		amdgpu_dpm_enable_uvd(adev, false);