Maybe also try enabling Night Light?
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https://bugs.launchpad.net/bugs/1967274
Title:
Screen sometimes can't update on Intel Alder Lake GPUs [Failed to post
KMS update: CRTC property
Verify kernel #26, the screen can work properly on XPS 9320 OLED sku
after off, and gnome-shell has no "Failed to post KMS update: CRTC
property (GAMMA_LUT) not found" error.
** Tags removed: verification-needed-jammy
** Tags added: verification-done-jammy
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This bug is awaiting verification that the linux/5.15.0-28.29 kernel in
-proposed solves the problem. Please test the kernel and update this bug
with the results. If the problem is solved, change the tag
'verification-needed-jammy' to 'verification-done-jammy'. If the problem
still exists, change
** Changed in: linux (Ubuntu)
Status: In Progress => Invalid
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Title:
Screen sometimes can't update on Intel Alder Lake GPUs [Failed to
** Changed in: linux (Ubuntu Jammy)
Status: In Progress => Fix Committed
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Title:
Screen sometimes can't update on Intel Alder Lake GPUs
> [Impact]
> The backlight power won't come back after the meta + l to turn off the
> display on ADL machines.
Judging by drminfo.txt, there is no backlight because it's OLED. Only
the OLED variant of XPS 9320 is 3456x2160 pixels.
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SRU sent
https://lists.ubuntu.com/archives/kernel-team/2022-April/129627.html
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https://bugs.launchpad.net/bugs/1967274
Title:
Screen sometimes can't update on Intel Alder Lake GPUs
** Description changed:
Screen can't turn back on by clicking keyboard after screen off by meta + l
key.
Try to do VT switch can make the screen back, some error poped when I try to
wake up screen.
gnome-shell[1666]: Failed to post KMS update: CRTC property (GAMMA_LUT) not
found
** Also affects: linux (Ubuntu Jammy)
Importance: High
Status: In Progress
** Also affects: mutter (Ubuntu Jammy)
Importance: High
Assignee: Daniel van Vugt (vanvugt)
Status: Fix Committed
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => AceLan Kao
verify #21, the result is good. The kernel log for reference.
** Attachment added: "kernel.log"
https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1967274/+attachment/5581937/+files/kernel.log
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Yeah a kernel fix is more useful because you won't get Night Light or
colour profile support without a kernel fix.
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
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Thanks Timo, this series of patches seems fix this issue
https://www.spinics.net/lists/intel-gfx/msg284609.html
Here is the test kernel, I can't reproduce the issue with this kernel.
https://people.canonical.com/~acelan/bugs/lp1967274/
I'll submit SRU soon.
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There may be no need if 42.1 is tagged in the next week or so. It's
scheduled for 23 April (roughly):
https://wiki.gnome.org/FortyTwo
I imagine we will SRU 42.1 quickly. Also I don't have any sponsorship
powers myself.
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@vanvugt
Hello,
Will you help to SRU it for jammy?
Thanks,
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https://bugs.launchpad.net/bugs/1967274
Title:
Screen sometimes can't update on Intel Alder Lake GPUs [Failed to post
** Changed in: mutter (Ubuntu)
Status: In Progress => Fix Committed
** Tags added: fixed-in-42.1 fixed-upstream
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Title:
Screen sometimes
Missing the GAMMA_LUT property on this OLED panel still feels like an
i915 kernel bug to me. Not something Intel would intentionally omit.
Please try the latest DRM kernel here:
https://kernel.ubuntu.com/~kernel-ppa/mainline/drm-tip/current/
The upstream mutter bug report also mentioned that a
I try the fix in #16 with the following command on XPS 9320, the result
looks good to me.
$ sudo add-apt-repository ppa:kcshieh/verification
$ sudo apt install libmutter-10-0 mutter-common gir1.2-mutter-10
$ sudo reboot
Thanks,
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New fix proposed in:
https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2360
** Changed in: mutter (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: mutter (Ubuntu)
Status: Triaged => In Progress
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** Tags added: originate-from-1968244 somerville
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Title:
Screen sometimes can't update on Intel Alder Lake GPUs [Failed to post
KMS update:
Indeed it's mostly a mutter bug. And even then mutter won't try to use
the missing GAMMA_LUT feature most of the time.
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Title:
Screen sometimes
Can't reproduce this issue with KDE.
And can't boot up the machine with mainline kernel. So, it's hard to bisect if
it's a kernel issue.
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Title:
Confirmed with fresh installed Jammy release(5.15.0-23). After the
screen dim, the backlight power is off,
"/sys/class/backlight/intel_backlight/bl_power", and can't echo 0 to it
to light up.
Switch vt(ctrl+alt+F1) works, and then I can turn off and turn on the backlight
by
echo 4 | sudo tee
Yes this is an Alder Lake issue which seems to have originated in the
kernel. But at the same time we should make mutter more robust to handle
missing driver features.
Tracking in https://gitlab.gnome.org/GNOME/mutter/-/issues/2197
** Summary changed:
- Screen can't turn on after screen off
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