[yocto] [meta-raspberrypi] RPi 7" Touch Display

[Rudolf J Streif]

I tried to build for 32 bit with:

Build Configuration:
BB_VERSION           = "1.43.0"
BUILD_SYS            = "x86_64-linux"
NATIVELSBSTRING      = "universal"
TARGET_SYS           = "arm-poky-linux-gnueabi"
MACHINE              = "raspberrypi3"
DISTRO               = "poky"
DISTRO_VERSION       = "2.7+snapshot-20190519"
TUNE_FEATURES        = "arm vfp cortexa7 neon vfpv4 thumb 
callconvention-hard"
TARGET_FPU           = "hard"
meta
meta-poky
meta-yocto-bsp       = "master:ff472ffbb0d143de8187d84dbbf18453318f303f"
meta-raspberrypi     = "master:7059c374512f1c1c0df9ecab0703d11438bdf78b"
meta-oe
meta-multimedia
meta-networking
meta-python          = "master:1ecd8b43645883cd4fa652826e93137c942dd82c"

However, mesa-gl; now fails compiling:

ld: src/gbm/cd6bfad@@gbm at sha/main_backend.c.o: in function 
`_gbm_create_device':
| 
/usr/src/debug/mesa-gl/2_19.0.3-r0/build/../mesa-19.0.3/src/gbm/main/backend.c:104: 
undefined reference to `gbm_dri_backend'

I have not encountered that before when building for raspberrypi3 before.

:rjs

On 5/19/19 9:11 AM, Khem Raj wrote:
>
>
> On Sat, May 18, 2019 at 11:02 PM Rudolf Streif 
> <rudolf.streif at ibeeto.com <mailto:rudolf.streif at ibeeto.com>> wrote:
>
>     Thanks, Khem. 64 bit, raspberrypi3-64 machine with vc4graphics.
>
>
> Please try 32bit we only have hdmi tested in 64bit this far
>
>
>
>     On Sat, May 18, 2019, 22:13 Khem Raj <raj.khem at gmail.com
>     <mailto:raj.khem at gmail.com>> wrote:
>
>
>
>         On 5/16/19 9:01 AM, Andrei Gherzan wrote:
>         > HI,
>         >
>         > On 16/05/2019 16.31, Rudolf J Streif wrote:
>         >> I am trying to use the "official" RPi 7" touch display
>         >>
>         (https://www.raspberrypi.org/products/raspberry-pi-touch-display/)
>         >> with meta-raspberrypi (most recent from master). However, I
>         cannot get
>         >> it to work. As a matter of fact the display does not even
>         show the GPU
>         >> rainbow screen making me think that the GPU firmware
>         packaged with
>         >> meta-raspberrypi does not support the DSI display. It works
>         just fine
>         >> with the latest Raspbian release (screen and touch).
>         >>
>         >> I searched the web up and down but could not find anything.
>         Maybe
>         >> somebody has an idea? Wrong firmware (maybe cannot be
>         distributed
>         >> because of licensing...)?
>         > Sadly we don't actively test display and other related toys
>         so they
>         > might be broken. Even so, I would be surprised if the DSI
>         port doesn't
>         > work. What is you final config.txt (pastebin it please)?
>         >
>
>         are you building 64bit or 32bit images ?
>         are you using vc4grpahics or userland graphics ?
>
-- 
-----
Rudolf J Streif
CEO/CTO ibeeto
+1.855.442.3396 x700

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