<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sun, Jul 28, 2019 at 1:27 PM Christian Mauderer <<a href="mailto:list@c-mauderer.de">list@c-mauderer.de</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">On 27/07/2019 22:31, Vijay Kumar Banerjee wrote:<br>
> <br>
> <br>
> On Sat, Jul 27, 2019 at 7:26 PM Christian Mauderer <<a href="mailto:list@c-mauderer.de" target="_blank">list@c-mauderer.de</a><br>
> <mailto:<a href="mailto:list@c-mauderer.de" target="_blank">list@c-mauderer.de</a>>> wrote:<br>
> <br>
> I'm still not entirely convinced what VT does. I tried to remove it (had<br>
> to remove the vt_fb_attach() / _detach() from fbd.c too) and it still<br>
> works. So why do you need VT?<br>
> <br>
> I removed the VT commit and the app was not able to open the fb device,<br>
> if you can open the device with just removing the VT part from fbd, then<br>
> maybe some other part of the VT commit is necessary to open the device,<br>
> I'll have a look and report and try to see if minimum to no parts of vt<br>
> is needed.<br>
> (We already removed most part from it, just initialization is there). <br>
<br>
That's odd. I can just revert the two VT patches with "git revert <id>",<br>
remove vt_fb_attach() / ..._detach() and I still get an output.<br>
<br></blockquote><div>Maybe I was doing something wrong. In a fresh branch without the VT commit</div><div>and the vt part removed from fbd. It's working. So I'll totally leave this VT part.</div><div>and add the vtophys define fbd patch itself so that the define isn't required in the </div><div>source. </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">[...]</blockquote></div></div>