lanefu changed the topic of #armbian-rockchip to: Armbian - Linux for ARM development boards | Rockchip SoC | www.armbian.com | This channel is relayed to the equivalent Discord channel | this channel is logged
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[Discord] <Tonymac32> and the RK3399 ones
<DC-IRC>
[Discord] <Tonymac32> so the nanopi 4, 5, and 6 series
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[Discord] <lanefu> Ohh okay
<DC-IRC>
[Discord] <stonededge> Okay, thanks a lot. Looks like raw DP isn’t possible then from a lot of these boards as it stands
<DC-IRC>
[Discord] <stonededge> Okay, thanks a lot. Looks like raw DP isn’t possible then from a lot of these boards as it stands. That’s a real shame. I can understand it on Radxa’s main line but why don’t they break out display port for the user to choose which extcon they want? Strange design decision
<DC-IRC>
[Discord] <stonededge> Okay, thanks a lot. Looks like raw DP isn’t possible then from a lot of these boards as it stands. That’s a real shame. I can understand it on Radxa’s main line but why don’t they break out display port for the user to choose which extcon they want on the CM? Strange design decision
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<DC-IRC>
[Discord] <stonededge> Okay, thanks a lot. Looks like raw DP isn’t possible then from a lot of these boards as it stands?
<DC-IRC>
[Discord] <stonededge> That’s a real shame. I can understand it on Radxa’s main line of boards, but why don’t they break out display port for the user to choose which extcon they want on the CM? Strange design decision IMO
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[Discord] <Tonymac32> It's a Linux driver limitation not a hardware one
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[Discord] <stonededge> So a simple nuke of the TCPM nodes in the dtb I guess won’t be enough, there needs to be driver modifications/there’s no option to specify and overlay atm to output raw DP?
<DC-IRC>
[Discord] <stonededge> So a simple nuke of the TCPM nodes in the dtb I guess won’t be enough, there needs to be driver modifications/there’s no option to specify and overlay atm to output raw DP instead of over type-c alt mode?
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<DC-IRC>
[Discord] <Tonymac32> right because the driver won't know where to send the data
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[Discord] <stonededge> Gotcha. Well my hardware design isn’t totally at fault here then lol
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[Discord] <stonededge> Although it does feel bad trying to send DisplayPort over type-c with no protocol, it’s just for testing. For my final carrier board I plan on routing the DP signals straight to the TUSB546 mux, which is controlled by an external TCPM/controller
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[Discord] <stonededge> It actually works with a type-c to DP dongle connected, but that just becomes redundant as my final design won’t have the FUSB302 on it
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[Discord] <stonededge> My hardware actually works with a type-c to DP dongle connected, but that just becomes redundant as my final design won’t have the FUSB302 on it
<DC-IRC>
[Discord] <stonededge> It’s like going from alt mode to DP and then back to alt mode lol
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