Hi @AaronMa and @John,
This bug is related to the bug:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2069993,
and we had some quirk fixing on these panels:
Panels show garbage or flickering when i915.psr2 enabled (LP: #2069993)
- SAUCE: drm/i915/display/psr: add a psr2 disable quirk table
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x4d_0x10_0x93_0x15
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x30_0xe4_0x8b_0x07
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x30_0xe4_0x78_0x07
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x30_0xe4_0x8c_0x07
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x06_0xaf_0x9a_0xf9
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x4d_0x10_0x8f_0x15
- SAUCE: drm/i915/display/psr: disable psr2 for panel_0x06_0xaf_0xa3_0xc3
So for this bug here, we would like to add a quirk on user's panel (the
exact same way as we've done before).
@John, please follow the instruction below to give us the information of
your panel used by Dell XPS 13 9340:
1. Install the needed package:
```
sudo apt install edid-decode
```
2. Get EDID of your running panel:
```
sudo get-edid | edid-decode
```
Please paste or attach the whole output from edid-decode, thanks.
** Bug watch added: gitlab.freedesktop.org/drm/i915/kernel/-/issues #9739
https://gitlab.freedesktop.org/drm/i915/kernel/-/issues/9739
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https://bugs.launchpad.net/bugs/2073252
Title:
[Dell XPS 13 9340] [i915] After recent update, screen is corrupted
level with mouse pointer
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