AM62P-Q1: how to create dma node in /dev/dma/heap

z lin

Part Number: AM62P-Q1
Other Parts Discussed in Thread: AM62P

Tool/software:

our soc application need to open "/dev/dma_heap/carveout_edgeai_shared-memories", but in the development board, there is just 'linux,cma' and 'system' node in /dev/dma_heap

we add this command to "k3-am62p5-sk.dts", but cannot create the dma node.

22 days ago

0 Yong Zhang 21 days ago

TI__Genius 11781 points

Dear Lin.

Per discussion, it is recommended to use Gstreamer (GST) framework provided by AM62P LINUX SDK.

please refer to image pipeline using Gstreamer, as below.

https://www.ti.com/lit/an/spradh2/spradh2.pdf

thanks a lot!

yong

0 Yong Zhang 17 days ago in reply to Yong Zhang

TI__Genius 11781 points

Dear Lin.

aligned with Hou linyang, will submit new ticket to focus on AVM application.

as this ticket title is not focus, will close this ticket.

thanks a lot!

yong

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AM62P-Q1: how to create dma node in /dev/dma/heap