09-13-2019, 09:53 AM
(09-07-2019, 04:06 PM)gkkpch Wrote: The panel driver for Feiyang seems to work well with the work Jagan Teki did for kernel 4.19 and upwards.
We (the Volumio team, volumio.org) have been testing with a few of the 5.x kernels which integrated his work.
We always experience the same issue when trying to rotate the screen orientation counter clockwise, using a setting in /etc/X11/xorg.conf. It causes a kernel driver to crash when a timeout occurs while waiting for vblank, with all sorts of followup issues.
Did anyone run into these vblank time out issues, if so, in which configuration? Or with other panels?
Cheers - Gé
I don't know specifically the answer to your question, but this document seems to imply that you could do the rotation in the device tree instead of in your xorg.conf. I don't know exactly how you do that, but I think it must be an option within the panel definition.
https://git.kernel.org/pub/scm/linux/ker...?h=v5.2.14