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> Displaylink and Android 8.1, Used to work with 7.1.1 but no longer
mgfm99
post May 28 2019, 01:15 AM
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I didn't order one of the video out cables when first purchasing my Gemini, but bought a USB-C to HDMI Displaylink adapter. This worked perfectly with the Gemini when it was on Android 7.1.1 (though I didn't use it much). I've now upgraded to 8.1, and notice that it no longer works.

The two versions of Displaylink app install and run ok - they recognize the adapter being plugged in, but nothing is output to the TV. By default, the Displaylink outputs a 1920x1080 image. The adapter works fine with other Android devices, e.g. my phone running Android Pie.

Does anyone else have experience with this?
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Wille
post May 28 2019, 03:23 AM
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QUOTE(mgfm99 @ May 28 2019, 11:15 AM) *
I didn't order one of the video out cables when first purchasing my Gemini, but bought a USB-C to HDMI Displaylink adapter. This worked perfectly with the Gemini when it was on Android 7.1.1 (though I didn't use it much). I've now upgraded to 8.1, and notice that it no longer works.

The two versions of Displaylink app install and run ok - they recognize the adapter being plugged in, but nothing is output to the TV. By default, the Displaylink outputs a 1920x1080 image. The adapter works fine with other Android devices, e.g. my phone running Android Pie.

Does anyone else have experience with this?

I'm also interested to know if somebody has tested Miracast to Microsoft Wireless Display Adapter v2 on Android 8.1. I never got HDMI out working with official cable from Planet Computer, but solved with MS wireless adapter which work fine. Not gonna break this setup with firmware upgrade for now.
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mgfm99
post May 28 2019, 06:56 AM
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QUOTE(Wille @ May 28 2019, 12:23 PM) *
QUOTE(mgfm99 @ May 28 2019, 11:15 AM) *
I didn't order one of the video out cables when first purchasing my Gemini, but bought a USB-C to HDMI Displaylink adapter. This worked perfectly with the Gemini when it was on Android 7.1.1 (though I didn't use it much). I've now upgraded to 8.1, and notice that it no longer works.

The two versions of Displaylink app install and run ok - they recognize the adapter being plugged in, but nothing is output to the TV. By default, the Displaylink outputs a 1920x1080 image. The adapter works fine with other Android devices, e.g. my phone running Android Pie.

Does anyone else have experience with this?

I'm also interested to know if somebody has tested Miracast to Microsoft Wireless Display Adapter v2 on Android 8.1. I never got HDMI out working with official cable from Planet Computer, but solved with MS wireless adapter which work fine. Not gonna break this setup with firmware upgrade for now.


Well I have succeeded in using Miracast with a Roku - but not perfect results: the image is automatically rotated into portrait clockwise. I can get it momentarily to rotate into upside down landscape, but not persistently so. Interested to know if there are tweaks one can apply to the Miracast output to deal with this.
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spook
post May 28 2019, 04:52 PM
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Wow. I'm glad I saw this post from you before upgrading. I really rely on my DisplayLink adapter. I might hold off until this is resolved (as well as the battery drain I have heard about)
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spook
post Jun 30 2019, 04:56 PM
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QUOTE(spook @ May 29 2019, 10:52 AM) *
Wow. I'm glad I saw this post from you before upgrading. I really rely on my DisplayLink adapter. I might hold off until this is resolved (as well as the battery drain I have heard about)


Me too! Too many bugs for me to upgrade yet. And with the Cosmo release around the corner, my guess is the attention will not be on the Gemini - so we might be waiting a while. I'm OK with that. Oreo is working fine for me for the time being.
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Wille
post Dec 13 2019, 05:53 AM
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QUOTE(mgfm99 @ May 28 2019, 04:56 PM) *
QUOTE(Wille @ May 28 2019, 12:23 PM) *
QUOTE(mgfm99 @ May 28 2019, 11:15 AM) *
I didn't order one of the video out cables when first purchasing my Gemini, but bought a USB-C to HDMI Displaylink adapter. This worked perfectly with the Gemini when it was on Android 7.1.1 (though I didn't use it much). I've now upgraded to 8.1, and notice that it no longer works.

The two versions of Displaylink app install and run ok - they recognize the adapter being plugged in, but nothing is output to the TV. By default, the Displaylink outputs a 1920x1080 image. The adapter works fine with other Android devices, e.g. my phone running Android Pie.

Does anyone else have experience with this?

I'm also interested to know if somebody has tested Miracast to Microsoft Wireless Display Adapter v2 on Android 8.1. I never got HDMI out working with official cable from Planet Computer, but solved with MS wireless adapter which work fine. Not gonna break this setup with firmware upgrade for now.


Well I have succeeded in using Miracast with a Roku - but not perfect results: the image is automatically rotated into portrait clockwise. I can get it momentarily to rotate into upside down landscape, but not persistently so. Interested to know if there are tweaks one can apply to the Miracast output to deal with this.

During SailfishOS upgrade I managed to lost my Android 7.1 partition. While there's no Alien Dalvik support for Gemini PDA, I did flash to Android 8.1.
Miracast to MS Display Adapter works. But when switching to full screen mode (e.g. on NetFlix or other app) picture is rotated by 90 deg anticlockwise from landscape to portrait. Not very useful.
I noticed that changing device screen size will cause permanent picture rotation also. But have not tried if there is some custom dp value that do not cause pic rotation on full screen mode.

Screen parameters can be controlled via adb, but it will require root access.
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