TDA4VM: TDA4 with DP can not start

sun ruijie

Part Number: TDA4VM

Hello, experts,

may I ask how to build the following modification？thanks.

##################################################

Can you try setting below flag to false in appDssInit API in the file ti-processor-sdk-rtos-j721e-evm-07_01_00_11\vision_apps\utils\dss\src\app_dss.c?

dssInitParams.socParams.dpInitParams.isHpdSupported = true;

##############################################

thanks,

Ruijie Sun

over 3 years ago

+1 Brijesh Jadav over 3 years ago

TI__Guru**** 451145 points

Hoi Ruijie Sun,

Can you please try disabling ethernet firmware and check the eDP output? You could use the link below to disable ethernet firmware.

https://software-dl.ti.com/jacinto7/esd/processor-sdk-rtos-jacinto7/latest/exports/docs/vision_apps/docs/user_guide/ETHFW_DEMOS.html#ETHFW_HOWTO_DISABLE

Also which SDK release are you using? There were some firmware fixes for eDP.

Regards,

Brijesh

0 Brijesh Jadav over 3 years ago in reply to Brijesh Jadav

TI__Guru**** 451145 points

Can you apply attached patch on PDK folder of your release, rebuild PDK & SDK and try it again?

/cfs-file/__key/communityserver-discussions-components-files/791/0001_2D00_DSS_2D00_Updated_2D00_eDP_2D00_firmware_5F00_20210916_5F00_mhdp_5F00_fw_5F00_2_5F00_1_5F00_0.patch

Regards,

Brijesh

0 sun ruijie over 3 years ago in reply to Brijesh Jadav

Intellectual 603 points

hi brijesh，

we use rtos-sdk-0703 ，and with DP the uboot can not start up， so we modify the dssInitParams.socParams.dpInitParams.isHpdSupported = true;

and in vision_apps run command make sdk type=t, it isn't seem to work

thanks,

Ruijie Sun

0 sun ruijie over 3 years ago in reply to Brijesh Jadav

Intellectual 603 points

Does this patch include the dssInitParams.socParams.dpInitParams.isHpdSupported = false modification?

0 Brijesh Jadav over 3 years ago in reply to sun ruijie

TI__Guru**** 451145 points

No, this patch is for eDP output. if due to some reason, eDP is not working, then it might help. But it will help in case of uboot hang.

Regards,

Brijesh

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TDA4VM: TDA4 with DP can not start