This bug is awaiting verification that the linux-oem-6.5/6.5.0-1010.11
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-linux-oem-6.5' to 'verification-done-
jammy-linux-oem-6.5'. If the problem still exists, change the tag
'verification-needed-jammy-linux-oem-6.5' to 'verification-failed-jammy-
linux-oem-6.5'.


If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.


See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: kernel-spammed-jammy-linux-oem-6.5-v2 
verification-needed-jammy-linux-oem-6.5

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https://bugs.launchpad.net/bugs/2046225

Title:
  The eDP OLED panel has no output on MTL platform

Status in linux package in Ubuntu:
  In Progress
Status in linux-oem-6.5 package in Ubuntu:
  Invalid
Status in linux source package in Jammy:
  Invalid
Status in linux-oem-6.5 source package in Jammy:
  Fix Committed
Status in linux source package in Mantic:
  In Progress
Status in linux-oem-6.5 source package in Mantic:
  Invalid
Status in linux source package in Noble:
  In Progress
Status in linux-oem-6.5 source package in Noble:
  Invalid

Bug description:
  [Impact]
  We got a blank screen when boot into the system with OLED panel.

  [Fix]
  Intel provides a patch to fix this
  https://patchwork.freedesktop.org/patch/570622/?series=127194&rev=2

  Which is in drm-intel-next currently
  3072a24c778a drm/i915: Introduce crtc_state->enhanced_framing

  [Test case]
  1. Install Ubuntu 22.04 on the system with 6.5+ kernel
  2. Check the screen display normally

  [Where problems could occur]
  The eDP panel support v1.4 and later may fail if it require the non-standard 
DP_LINK_BW_SET.

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