Control: tags -1 + wontfix Hi Ricardo,
On Wed, Sep 12, 2018 at 10:32:45PM +0200, Ricardo Ribalda Delgado wrote: > Package: src:linux > Version: 4.18.6-1 > Severity: normal > > Dear Maintainer, > > Some High Resolution Screens are downgraded to full HD due to DP link > training failures.This problem can be easily solved by allowing retries > during DP link training. > > If the hardware is capable of running at high resolution the > link will be properly calibrated after 2 o 3 attempts. If the hardware > cannot run at that resolution the link will be downgraded in less than a > second. > > The proposed patch is self contained and has been tested successfuly on > 4 different kernels (4.15 - 4.18). > > This bug has been replicated on multiple devices and screens and > notified to upstream: https://bugs.freedesktop.org/show_bug.cgi?id=106223 > > Unfortunately it is considered low-priority for Intel (but high-annoying > by the users). > > Hopefully this patch will allow users to make full use of their screens > and I will spend less time rebuilding my kernel. Assuming the problem is still present (at least following the last replies from the upstream report): We will not apply a patch which is not going to be merged upstream (unless in very rate situations). So the only way here is to try to move upstream. Regards, Salvatore
