GSoC Status update : BBB Framebuffer Project

Vijay Kumar Banerjee vijaykumar9597 at gmail.com
Wed Jul 24 19:47:20 UTC 2019


On Thu, Jul 25, 2019 at 1:09 AM Christian Mauderer <list at c-mauderer.de>
wrote:

> Hello Vijay,
>
> On 24/07/2019 18:14, Vijay Kumar Banerjee wrote:
> > Hello all,
> >
> > This is a mail to update my weekly status since the meeting got
> > canceled this week.
>
> Sorry for that.
>
> >
> > Progress:
> > * Completed mmap patch
> > : https://lists.rtems.org/pipermail/devel/2019-July/026680.html
> > This patch is pending approval. I'm not sure if it was supposed
> > to be merged or will it be merged after some test runs in fb or
> > PRU?
>
> I haven't tested the patch yet. I'll try to do that in the next few
> days. Sebastian reviewed it quite well so I think as soon as I've seen
> the test run on one or two platforms I can merge it. Same is true for
> your documentation patch that fixes the typos.
>
> > * Added documentation for Beagle BSP
> > * Sent Patch for documenting Device
> > Tree: https://lists.rtems.org/pipermail/devel/2019-July/026775.html
> >
> > Blocker:
> > The Initialization is still not fixed. Christian ordered a display cape
> > and will test without HDMI.
>
> The display arrived today. Although still a bit distorted, I get at
> least an output on FreeBSD with an adapted device tree. Bad news is: No
> output with your fb-sample. The backlight didn't light up (which is
> expected) and I don't get any output if I search with a flashlight. I'll
> try to hack in a backlight soon but normally if there is something on
> the screen it should be at least slightly visible with enough light.
>
> >
> > Next:
> > I'm a bit short of ideas and waiting for feedback from Christian about
> > the test using cape. Meanwhile, I'm trying to write a few docs. Also
> > wrote blog on how to write an application in libbsd for the wider
> audience.
>
> That's a good gap filler and it's great and useful if you contribute to
> the documentation. But at least the first tests with the display didn't
> give much results. So most likely you should try some other methods of
> analysis. I think you had thought about debugging the FreeBSD kernel to
> find out the differences?
>
> Best regards
>
> Christian
>
> >
> > Thanks,
> > Vijay
>
> PS: Sorry for sending it twice to all directly addressed. I used the
> wrong "from" address the first time so it didn't reach the list.
>
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