(In reply to nhellwege from comment #101)
> I am a bit lost in all these comments, could someone tell me what patch I
> can try to see if one of your patches has affect on my setup?
These 4:
https://patchwork.freedesktop.org/patch/69394/
https://patchwork.freedesktop.org/patch/69395/
https://patc
(In reply to nhellwege from comment #103)
> On top of drm-intel-nightly or Ubuntu-4.4.0-18?
Can't really say anything about 4.4, I successfully applied them on top
of 4.5, 4.6 and drm-nightly when I was checking them.
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I was applying patches against 6f78897 of drm-intel. All 4 patches also
apply against vanilla 4.5.0 also fixing the issue.
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https://bugs.launchpad.net/bugs/1522922
Title:
Screen flicker
Created attachment 122517
dmesg after 0004-drm-i915-Cache-DisplayPort-link-signal-levels.patch
It works, I'm not seeing any flicker or repainting issues anymore. Thank
you! I'm still attaching the dmesg. This one covers messages from the
boot until about 30 seconds after DPMS.
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I tried them way back in January with no visible difference, flickering
still appears after laptop panel turns off and back on.
Regarding dmesg, can you please tell me for which kernel you want to see
it (intel-drm-next/vanilla), with those patches or without and which
additional kernel debugging
Created attachment 122338
no-flicker-after-dpms-4.5.patch
Kernel 4.5.0 still has this bug for me. I managed to narrow down the
patch to remedy the flickering to just one hunk though.
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htt
Created attachment 122363
dmesg-intel-nightly-patches
Here it is, it's from drm-intel kernel on commit 9f8709f + 3 patches you
provided. I took a dmesg right after boot (while there was no
flickering) and then did "xset dpms force off", panel turned off, I
waited for a couple of seconds, did some
Created attachment 122405
dmesg-before-flicker
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https://bugs.launchpad.net/bugs/1522922
Title:
Screen flickering in Intel i915 driver
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Created attachment 122406
dmesg-after-flicker
Here are the two dmesg dumps, same kernel, same patches, but with the
options you mentioned. They are different this time.
One thing I also noticed is that there is not only flicker, but
sometimes old screen content is used for a moment. Like in virtu
