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Can windows/MP automatically shut down, if TV is off?
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<blockquote data-quote="Scythe42" data-source="post: 1014184" data-attributes="member: 95833"><p>To my knowledge Pin 13/17 are not physically disconnected on any GPU as this would break HDMI hotplugging as well which obviously works. You turn off the display and Windows detects this. This means CEC is possible as well in theory unless the firmware artificially blocks stuff. Need to poke around here more if I get bored.</p><p> </p><p>But for detecting display turning on/off: The additional and removal of an HDMI audio render together with a resolution change should be accurate enough for most systems to detect this by normal messages from Windows. Some GPUs even send out proper ACPI events to Windows about this, but this seems to be rare (only found it in drivers for nvidia chipsets).</p><p> </p><p>In general providing an action on turning display on/off when using HDMI for MP should be possible for the majority of setups.</p></blockquote><p></p>
[QUOTE="Scythe42, post: 1014184, member: 95833"] To my knowledge Pin 13/17 are not physically disconnected on any GPU as this would break HDMI hotplugging as well which obviously works. You turn off the display and Windows detects this. This means CEC is possible as well in theory unless the firmware artificially blocks stuff. Need to poke around here more if I get bored. But for detecting display turning on/off: The additional and removal of an HDMI audio render together with a resolution change should be accurate enough for most systems to detect this by normal messages from Windows. Some GPUs even send out proper ACPI events to Windows about this, but this seems to be rare (only found it in drivers for nvidia chipsets). In general providing an action on turning display on/off when using HDMI for MP should be possible for the majority of setups. [/QUOTE]
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