On Fri, Nov 27, 2020 at 05:56:24PM +0000, Christoph Niedermaier wrote: > From: Greg KH [mailto:gregkh@xxxxxxxxxxxxxxxxxxx] > Sent: Friday, November 27, 2020 3:09 PM > > Hello Greg, > > >> Is it possible to apply the following commit on the branch linux-4.19.y? > >> de9f8eea5a44 ("drm/atomic_helper: Stop modesets on unregistered connectors harder") > >> > >> This commit is applied to the other LTS kernels, but is missing on > >> linux-4.19.y. > > > > I see it showing up in the 4.20 release, so of course anything newer > > than that will work, what other trees do you see this applied in? > > I think it's only the 4.19 tree that misses this patch, because it fixes > "drm/atomic_helper: Disallow new modesets on unregistered connectors" > and > "drm/atomic_helper: Allow DPMS On<->Off changes for unregistered connectors" > If I am right this two commits aren't on 4.14 / 4.9 / 4.4 > > >> Without this patch my i.MX6ULL SoM doesn't initialize > >> the display correctly after booting. > > > > It does not apply cleanly to the 4.19.y tree, can you provide a working > > backport so that we could apply it? > > A working backport is below. Looks good, now queued up, thanks. greg k-h