vc4_hdmi: Make irq shared

raspberrypi inclusion
category: feature
bugzilla: 50432

--------------------------------
Signed-off-by: NDom Cobley <popcornmix@gmail.com>
Signed-off-by: NFang Yafen <yafen@iscas.ac.cn>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

drivers/gpu/drm/vc4/vc4_hdmi.c

@@ -1499,7 +1499,8 @@ static int vc4_hdmi_cec_init(struct vc4_hdmi *vc4_hdmi)
 	HDMI_WRITE(HDMI_CEC_CNTRL_1, value);
 	ret = devm_request_threaded_irq(&pdev->dev, platform_get_irq(pdev, 0),
 					vc4_cec_irq_handler,
-					vc4_cec_irq_handler_thread, 0,
+					vc4_cec_irq_handler_thread,
+					IRQF_SHARED,
 					"vc4 hdmi cec", vc4_hdmi);
 	if (ret)
 		goto err_delete_cec_adap;