Better custom resolution support for display managed hardware PBP (Picture by Picture) mode switching #890
Replies: 5 comments 5 replies
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PBP implementation is not really standardized, changes from display to display. Some displays do disconnect and reconnect as a new display with different EDID (with different aspect ratio resolution list) when PBP is enabled - for these displays the OS does switch. Other displays don't do this, they simply have PBP and non-PBP resolutions mixed in a single EDID. The OS has no idea that PBP is enabled or not. auto change when connecting from iPad is a different story. I think this should be handled by the app/service that is used for remote connection. Since there are a number of tools by different vendors, I don't think there is a generic solution for this. |
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I'll convert this into a discussion so others might chime in. |
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I'm having a similar issue, but it also stems from lazy manufacturer (identical serial numbers). Configuration: I need to be able to set a custom native panel pixel resolution of 3840x1080 for monitors 2 and 3 so that I can ultimately get HiDPI resolutions in 32:9 (or 8:9 if doing left<-> right) aspect ratio. However, doing so disables me from using proper HiDPI resolutions on Monitor 1 then because any EDID override I do applies to ALL monitors since there is no distinction between them. I'm considering just getting an HDMI adapter for EDID override via hardware prior to input, but I think there has to be another way? :( |
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Adding link here for others to see my comments re: PBP/Lenovo monitor frustration and as a warning about DCC adjustment through software when using PBP. |
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Kind of relevant to this thread, but let me know if I should put this in a new thread or an issue: Is there any possibility of BetterDisplay supporting the switching on and off of monitor PBP/PBP features via DDC? These are supported by the mac software for my (Dell) monitor Appreciate that the lack of standardisation could make this unfeasible! |
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Have Dell U3818DW (3840 x 1600) and there is a feature called PBP which allows me to view multiple inputs connected to the same monitor side by side. The issue is, when I turn this on, resolution does not automatically change to 1920 x 1600.
This also applies when remote in from iPad. It's be nice to auto change resolution to fit iPad's retina screen instead of remaining at 3840x1600.
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