[meta-ti] BeagleBone Black - ti-sgx-ddk not working on yocto Krogoth, what is missing

[Simon Pelletier-Thibault]

Hi,

I'm trying to use sgx driver for EGL application on BeagleBone Black. I
build a minimal image to test it and it is not working.

I got this:
root at beaglebone:~# sgx_init_test
----------------------- Start -----------------------
Try calling PVRSRVConnect with an invalid argument:
PVR:(Error): PVRSRVConnect: Invalid connection. [0, ]
PVR:(Error): PVRSRVConnect: Unable to open connection. [0, ]
 OK
Call PVRSRVConnect with a valid argument:
 OK
Try calling PVRSRVEnumerateDevices with invalid puiNumDevices:
PVR:(Error): PVRSRVEnumerateDevices: Invalid params [0, ]
 OK
Get number of devices from PVRSRVEnumerateDevices:
 OK
.... Reported 1 devices
.... Device Number  | Device Type
            0000    | PVRSRV_DEVICE_ID_SGX
Attempt to acquire device 0:
 OK
Getting SGX Client info
 OK
.... ui32ProcessID:266
Display Class API: enumerate devices
 OK
PVRSRVEnumerateDeviceClass() returns 0 display device(s)
 FAIL - PVRSRV_ERROR_NO_DC_DEVICES_FOUND
-----

Here my configuration:
bblayes.conf:
POKY_BBLAYERS_CONF_VERSION = "2"

BBPATH = "${TOPDIR}"
BBFILES ?= ""

BBLAYERS ?= " \
  /path/poky2.1/meta \
  /path/poky2.1/meta-poky \
  /path/meta-ti2 \
  "
-----

local.conf:
PACKAGECONFIG_append_pn-qemu-native = " sdl"
PACKAGECONFIG_append_pn-nativesdk-qemu = " sdl"
CONF_VERSION = "1"

PREFERRED_PROVIDER_virtual/egl = "ti-sgx-ddk-um"
PREFERRED_PROVIDER_virtual/libgles1 = "ti-sgx-ddk-um"
PREFERRED_PROVIDER_virtual/libgles2 = "ti-sgx-ddk-um"

IMAGE_INSTALL_append_pn-core-image-minimal = " packagegroup-base-vfat
packagegroup-base-usbhost dropbear linux-firmware ti-sgx-ddk-km
ti-sgx-ddk-um libdrm"

-----

What am I missing?

I try other configurations, like core-image-weston. After "adjusting" mesa
so it won't install gbm, weston won't boot and I still get the previous
error.

Thank you.

Simon
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