Refresh rate

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4773n0x
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Refresh rate

Post by 4773n0x » Fri Jan 25, 2019 9:40 am

From my experience , raspberry pi zero and raspberry pi 3 b+ can't handle default refresh rate 10. Because of this, I have to use command line every time with "-r 20". It would be nice if @Matlo could add a refresh rate option to the main gimx-launcher. It shouldn't be difficult. I hope this gets added in the next gimx update. Thank you. It's the only thing stopping me from using gimx-launcher.

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kaiba_seto2004
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Re: Refresh rate

Post by kaiba_seto2004 » Fri Jan 25, 2019 11:02 am

IMO default refresh rate is good enough :)
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4773n0x
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Re: Refresh rate

Post by 4773n0x » Fri Jan 25, 2019 11:13 am

For me, refresh rate 10 makes it very stuttery.

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Matlo
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Re: Refresh rate

Post by Matlo » Fri Jan 25, 2019 6:13 pm

This is very likely due to a low mouse polling rate. Try adding usbhid.mousepoll=4 to cmdline.txt.
https://www.raspberrypi.org/documentati ... ine-txt.md
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4773n0x
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Re: Refresh rate

Post by 4773n0x » Fri Jan 25, 2019 10:17 pm

I can't. I use a simple office mouse. Max refresh rate for this mouse is 125hz. But I don't think it's the refresh rate. On a Windows laptop, refresh rate 10 worked fine, but not on raspberry pi zero or raspberry pi 3 b+.

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Matlo
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Re: Refresh rate

Post by Matlo » Fri Jan 25, 2019 11:46 pm

Did you try? The hardware may support it. If it does not work, also try usbhid.mousepoll=8.

Some firmwares (like EMUG29PS4) run on RPi with a refresh period of 5ms without any issue.
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4773n0x
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Re: Refresh rate

Post by 4773n0x » Sat Jan 26, 2019 4:36 pm

I did try and I already have set usbhid.mousepoll to 8.

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Matlo
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Re: Refresh rate

Post by Matlo » Sat Jan 26, 2019 6:54 pm

Ok, then please open a topic in the support section and provide a log file. Make sure to reproduce the issue while generating the log file.
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