** Changed in: linux (Ubuntu Hirsute)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1934864
Title:
[SRU][OEM-5.10/H] Fix HDMI output issue on Intel TGL GPU
Status in HWE Next:
New
Status in linux package in Ubuntu:
Invalid
Status in linux-oem-5.10 package in Ubuntu:
Invalid
Status in linux-oem-5.10 source package in Focal:
In Progress
Status in linux source package in Hirsute:
Fix Committed
Bug description:
SRU justification:
[Impact]
When plugin HDMI cable, no HDMI output, kernel reported error:
[drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon
[drm:lspcon_resume [i915]] *ERROR* LSPCON init failed on port
[Fix]
Legacy LSPCON chip from MCA and Parade is only used for platforms,
Limit the support between GEN9 and GEN10.
The commit is already in 5.13, so only SRU for oem-5.10 and hirsute.
[Test]
Verified on hardware, HDMI output works fine.
[Where problems could occur]
The HDMI output may break.
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