[meta-xilinx] Mali Kernel Module for ZCU102

[Emily Smith]

Hi Luca -


Thanks for your response.


I'm using the default ZCU102 machine here: https://github.com/Xilinx/meta-xilinx/blob/master/meta-xilinx-bsp/conf/machine/zcu102-zynqmp.conf

which doesn't seem to have those lines you mentioned. Adding them gives additional errors with providing virtual/libgl. Are those PREFERRED_PROVIDER settings necessary for using the Mali GPU on the board? Or could I just add an RDEPENDS for libmali-xlnx to the recipe I'm working with?


Thanks,

Emily

________________________________
From: Luca Ceresoli <luca at lucaceresoli.net>
Sent: Friday, July 13, 2018 3:22:52 AM
To: Emily Smith; meta-xilinx at lists.yoctoproject.org
Subject: Re: [meta-xilinx] Mali Kernel Module for ZCU102

Hi Emily,

On 12/07/2018 17:12, Emily Smith wrote:
> Hi Everyone -
>
>
> I'm using poky and bitbake to build an OS for the Xilinx ZCU102 board,
> and I'm having trouble with the Mali Kernel Module here:
>
> https://github.com/Xilinx/meta-xilinx/tree/master/meta-xilinx-bsp/recipes-graphics/mali
>
>
> I thought it should be built with the  /meta-xilinx/meta-xilinx-bsp
> layer added in bitbake, but  I'm not seeing a .ko file anywhere that's
> produced, or on the board once I boot it.  Nothing was showing up
> with lsmod either. Do I need to enable anything, or set any variables
> for this to be built in the first place?
>
>
> Any information you can give me would be very helpful.

kernel-module-mali is pulled in by libmali-xlnx:

  $ git grep -B1 kernel-module-mali
  .../libmali-xlnx.bb-RDEPENDS_${PN} = " \
  .../libmali-xlnx.bb:       kernel-module-mali \

Is libmali-xlnx built?

A few things to check, in top-bottom order:
 1. your machine conf should have something like
    PREFERRED_PROVIDER_virtual/libgles2 = "libmali-xlnx"
    PREFERRED_PROVIDER_virtual/egl      = "libmali-xlnx"
 2. libmali-xlnx should then be built
 3. libmali-xlnx RDEPENDS on kernel-module-mali, so it should
    be built as well

Bye,
--
Luca
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