after the resume, you run pacmd list-cards, do the hdmi-output-0 and -1 are "available: yes" as below?
hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: yes) properties: device.icon_name = "video-display" device.product.name = "LG Ultra HD " hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: yes) properties: device.icon_name = "video-display" device.product.name = "HTR-5063
after the resume, you run pacmd list-cards, do the hdmi-output-0 and -1 are "available: yes" as below?
hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: yes) icon_name = "video-display" product. name = "LG Ultra HD icon_name = "video-display" product. name = "HTR-5063
properties:
device.
device.
"
hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: yes)
properties:
device.
device.