[Openpvrsgx-devgroup] trying to get SGX 1.14 running on DM3730 (SGX530)

[H. Nikolaus Schaller]

> Am 24.11.2019 um 18:16 schrieb H. Nikolaus Schaller <hns at goldelico.com>:
> 
> Hi Adam,
> 
>> Am 24.11.2019 um 15:12 schrieb Adam Ford <aford173 at gmail.com>:
>> 
>> On Sat, Nov 23, 2019 at 5:27 PM Adam Ford <aford173 at gmail.com> wrote:
>>> 
>>> 
>>> 
>>> Thanks for all your help.  I don't know what I did, but I have it
>>> working now.  :-)
>> 
>> Nikolaus,
>> Out of curiosity, can you share the contents of /etc/powervr.ini?
> 
> I use this one: http://git.goldelico.com/?p=letux-rootfs.git;a=blob;f=packages/letux-pvrsgx-1.14/etc/powervr.ini;h=4cc2573879d4bc5a3cc3f8a11d9da09b68f45722;hb=d7b8773676cc9deb468fb807eed01c823c1228d1
> 
> [default]
> WindowSystem=libpvrDRMWSEGL.so
> DefaultPixelFormat=RGB888
> 
>> 
>> I was messing around with different revisions of the stuff, and now
>> I've got my board into some mode where gles1test1 starts and dies
>> right away.  I'm trying to figure out where I broke it.
> 
> Yes, powervr.ini can be a reason.

After experimenting a little myself, I also ran into an issue that it
did no longer work:

root at letux:~# gles1test1 
[  344.204145] PVR_K:(Error): DoMapToUser: Error - vmf_insert_mixed failed (100)
PVR:(Error): PVRPMapKMem: mmap(2) failed: Mapping handle=0xf: TǶP偾 [0, ]
PVR:(Error): WSEGL_CreateWindowDrawable: Couldn't set CRTC: Invalid argument [0, ]
'eglCreateWindowSurface' returned egl error 'EGL_BAD_ALLOC' (0x3003)
root at letux:~#

It turns out that the "make" and targetfs copy their own version of
powervr.ini which is:

root at letux:~# cat /etc/powervr.ini
[default]
#WindowSystem=libpvrws_WAYLAND.so
root at letux:~# 

That one fails...

So I have to rework my installer scripts to not copy /etc/powervr.ini from
the TI package or overwrite afterwards with the required settings.

BR,
Nikolaus

BTW: I played a little with DDK1.17 and it seems to require a newer libc
version that what Stretch provides. Buster may be ok.