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Old 08-18-2021, 11:05 PM   #1
Ryan0751
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Default 1.5.0 Beta - Still no M1 additional HiDPI resolutions?

I just downloaded the 1.5.0 Beta driver (running OS 10.5.2) on my MacBook Pro M1.

I saw the following in the release notes and got excited:

- Introducing additional inferred resolutions on 4K monitors: 2560x1440 and 3008x1692

Unfortunately, with my LG 32UL950-W 4K display there are still no HiDPI (only low resolution) options for these resolutions.

Is this a HW limitation of the M1 chip? Or a SW limitation in macOS? Just curious if this is something I should ever expect to be enabled.
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Old 08-19-2021, 05:12 AM   #2
DmitryAE
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Default :(

Same here for me. No HiDPI. I'm waiting 2560x1440.
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Old 08-19-2021, 11:08 AM   #3
rboerner
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Quote:
Originally Posted by Ryan0751 View Post
I just downloaded the 1.5.0 Beta driver (running OS 10.5.2) on my MacBook Pro M1.

I saw the following in the release notes and got excited:

- Introducing additional inferred resolutions on 4K monitors: 2560x1440 and 3008x1692

Unfortunately, with my LG 32UL950-W 4K display there are still no HiDPI (only low resolution) options for these resolutions.

Is this a HW limitation of the M1 chip? Or a SW limitation in macOS? Just curious if this is something I should ever expect to be enabled.
My understanding is that inferred modes are different from HiDPI support. In the release notes for the 1.5 BETA application --> https://s3.eu-west-1.amazonaws.com/a...ease+Notes.txt

Under the 'Known issues and limitations' section DisplayLink states:

"- Some HiDPI mode are not available on DisplayLink screens (29526)"
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Old 08-20-2021, 01:14 PM   #4
Ryan0751
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Ok, I was wondering that as well. The other resolutions are available in low resolution mode (and look terrible).
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Old 08-20-2021, 04:48 PM   #5
tommiy
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Yes you can add to the year old request to add HiDPI to 2560x1440 if you want here. May never happen but you never know...
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Old 09-02-2021, 11:26 AM   #6
phzfn
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I just also installed the Beta1 on my M1 MBP. Finally my desired resolution of 3008x1692 appeared. But in Low Resolution looking awfully terrible. So still no HiDPI?
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Old 09-08-2021, 11:25 AM   #7
iamkedzia
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Yup, beta 1.5.0 on M1 and still no "look like 2560x1440" option – only low-res 1440p option (same as in latest stable release).

Heck, if I had known about this issue before I would defo skip the DisplayLink adapter purchase. I really do hope it's going to be fixed asap.
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Old 09-08-2021, 08:28 PM   #8
tommiy
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Its almost been a year since the request so i would not expect that it is coming.
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Old 09-23-2021, 04:28 AM   #9
lofty24
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Yeah this is a huge disappointment. Would not have bothered with a display link dock if I knew this beforehand. Just wanted a good PD Usb c solution and it has essentially downgraded my monitor.

I wish they could enable some sort of passthrough mode if you are only using one monitor.
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Old 09-23-2021, 09:22 PM   #10
slawrence
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Default A happy compromise?

I'm assuming most M1 Mac owners that bought a DisplayLink dock did so for its ability to output to dual monitors. My setup is I have a M1 MBP, 1x 1080p monitor and 1x 4K monitor.

I have found a happy compromise in having the DisplayLink hub drive my 1080p monitor, and a separate, US$25 USB-C to HDMI adapter to drive the 4K monitor. (Link).

With this setup, I am still able to use dual monitors, and the 4K monitor can now use all of the HiDPI / retina resolutions I was missing when it was connected to the DisplayLink dock. This is a happy compromise as it means the DisplayLink was still a good purchase (can't do dual monitors without it) but for a few dollars more I get the retina resolutions on my 4K screen.

This won't help you if you're only using one monitor or 2x 4K monitors but I hope it helps somebody.
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