** No longer affects: mutter (Ubuntu)
** No longer affects: mutter (Ubuntu Impish)
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https://bugs.launchpad.net/bugs/1944397
Title:
HDMI does not display anything with
@jawn-smith, I'm using this display:
https://www.waveshare.com/5.5inch-hdmi-amoled-with-case.htm
with this cmdline.txt:
console=tty1 root=LABEL=writable rootfstype=ext4 rootwait quiet splash
video=HDMI-A-1:1080x1920M@60,rotate=90,panel_orientation=right_side_up
We've found that this bug is much easier to create on certain monitors.
satmandu, dnoedelfan: what monitors are you using?
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https://bugs.launchpad.net/bugs/1944397
Title:
Same by me. Update today Ubuntu Budgie 21.10 (roundabout 164MB) but issue is
going on. Starting Video and after some seconds screen freeze, mouse cursor
freeze, system freeze.
Standard after update is reboot before testing!
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linux-raspi/5.11.0-1021.22 does not fix this problem. I am still seeing
the flip_done timed out error message.
** Tags removed: verification-needed-hirsute
** Tags added: verification-failed-hirsute
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I'm also seeing this same issue with a 5.15-rc4 kernel built from
https://github.com/raspberrypi/linux/tree/rpi-5.15.y
[ 408.326395] [drm:drm_atomic_helper_wait_for_flip_done [drm_kms_helper]]
*ERROR* [CRTC:77:crtc-3] flip_done timed out
[ 408.326477] [drm:drm_crtc_commit_wait [drm]] *ERROR*
This bug is awaiting verification that the linux-raspi/5.11.0-1021.22
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-hirsute' to 'verification-done-hirsute'. If the
problem still
@vanvugt would you be willing to open an issue about this at
https://github.com/raspberrypi/linux/issues since this does look like a kernel
issue?
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Sadly I'm still getting vc4 freezes in atomic KMS functions even when
GNOME has been told not to use it:
Oct 08 16:16:31 pi400 gnome-shell[968]: Mode setting implementation for
'/dev/dri/card1' (vc4) forced (non-atomic).
...
Oct 08 16:24:38 pi400 kernel: [drm:drm_crtc_commit_wait [drm]] *ERROR*
** Changed in: mutter (Ubuntu Impish)
Status: Incomplete => In Progress
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https://bugs.launchpad.net/bugs/1944397
Title:
HDMI does not display anything with Impish
Sorry I just realized -- this may not be a kernel regression at all.
Mutter 40 was when atomic KMS started being used by GNOME. But it
doesn't work reliably for all kernel drivers. If that happens to include
vc4 then we just need to add it to Mutter's atomic_driver_deny_list.
As a workaround you
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