accel/ivpu/37xx: Print warning when VPUIP is not idle during power down

Print warning if VPUIP is not idle during power down.

Use warn log level also when we fail to enter reset state
as this is not really an error but unexpected behavior.
Reviewed-by: Krystian Pradzynski <krystian.pradzynski@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028133415.1169975-11-stanislaw.gruszka@linux.intel.com

drivers/accel/ivpu/ivpu_hw_37xx.c

@@ -726,8 +726,11 @@ static int ivpu_hw_37xx_power_down(struct ivpu_device *vdev)
 
 	ivpu_hw_37xx_save_d0i3_entry_timestamp(vdev);
 
-	if (!ivpu_hw_37xx_is_idle(vdev) && ivpu_hw_37xx_reset(vdev))
-		ivpu_err(vdev, "Failed to reset the VPU\n");
+	if (!ivpu_hw_37xx_is_idle(vdev)) {
+		ivpu_warn(vdev, "VPU not idle during power down\n");
+		if (ivpu_hw_37xx_reset(vdev))
+			ivpu_warn(vdev, "Failed to reset the VPU\n");
+	}
 
 	if (ivpu_pll_disable(vdev)) {
 		ivpu_err(vdev, "Failed to disable PLL\n");