James Hughes

Results 379 comments of James Hughes

That is a very good point, I had no idea that wasn't in the docs. @nathan-contino This really ought to show the wiring for both types of Pico (with/without JST)....

That sounds useful! It would need to have a checkbox in the GUI and a command line option to match. I'd just have one checkbox that does all of the...

I don't think you should be using vcgencmd to change resolution with FKMS (or any sort of DRM system) as this changes the resolution without DRM knowing it has happened....

See https://www.raspberrypi.org/forums/viewtopic.php?f=67&t=248907&sid=63a45c25341b6c6a19182406e516d3c6

AIUI, on startup the firmware will pass any config.txt data that specifies the screen size to DRM as a sort of EDID with a single entry. So that is how...

It's not possible to have exactly the same functionality as before as we have moved to DRM/KMS/Mesa for the Pi4 (because the VC6 on the Pi4 is different). So you...

> DRM/KMS resolution switch is a real pain.... > A simple way to update information in DRM once hdmi_timings have been changed is not possible ? > > Update hdmi_timings...

We haven't removed any code, its just that the vcgencmd only work in legacy graphics mode, and was never intended for use with DRM. It would mean writing a whole...

There's not much point in continually referring back to vcgencmd. The entire graphics system has changed on the Pi4, so that is where we need to concentrate. We won't be...