drm/amd/amdgpu: Fix flow control in uvd_v4_2_stop()

Break out of outer loop properly.
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c

@@ -401,6 +401,7 @@ static void uvd_v4_2_stop(struct amdgpu_device *adev)
 				break;
 			mdelay(1);
 		}
+		if (status & 2)
 			break;
 	}
 
@@ -411,6 +412,7 @@ static void uvd_v4_2_stop(struct amdgpu_device *adev)
 				break;
 			mdelay(1);
 		}
+		if (status & 0xf)
 			break;
 	}
 
@@ -424,6 +426,7 @@ static void uvd_v4_2_stop(struct amdgpu_device *adev)
 				break;
 			mdelay(1);
 		}
+		if (status & 0x240)
 			break;
 	}