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TDA2EG-17: dss modules shared between BIOS and Linux

Part Number: TDA2EG-17

Hi,  Ti expert

      I am currently using vision sdk3.08 version, after applying the quick start patch, after MLO loads the remote core, the back view can be displayed.

After linux is started, running apps.out can display the panorama normally.

     my question is:

     1、I want to use the drm device after linux starts, I can see the following devices in /dev/dri/

        card0       card1       card2       renderD128  renderD129

        I use the modetest tool to see that it is all empty,As shown below,Why?

            

     2、Is it because I set the following configuration in dts?

         DISABLE_COMPLETE(dss);
         DISABLE_COMPLETE(dispc);

     3、When I change the setting of Article 2 to the following configuration, after MLO starts and loads the remote core firmware, a rear-view fisheye diagram can be displayed

        DISABLE_PRCM(dss);
        DISABLE_PRCM(dispc);

       After linux is started, there is no video output and only a green image on the screen. How can I coexist dss and dispc in rtos and linux?

    thinks!