Ubuntu
linux package

  1. Bug #1934864
  2. Comment #0

Comment 0 for bug 1934864

Revision history for this message
AaronMa (mapengyu) wrote : [SRU][OEM-5.10/H] Fix HDMI output issue between Intel GPU GEN9 and GEN10

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

[Test]
Vendor Verified on hardware, HDMI output works fine.

[Where problems could occur]
The HDMI output may break.