[PATCH 0/3][SRU][L/K/J] RaptorLake: Fix the Screen is shaking by onboard HDMI port in mirror mode

Koba Ko koba.ko at canonical.com
Fri Feb 10 06:30:52 UTC 2023


BugLink: https://bugs.launchpad.net/bugs/1993561

[Impact]
The Screen is shaking connected monitor to Onboard HDMI port.

[Fix]
The interlaced mode is not supported for Intel Gen 12 onwards.
Disable interlaced mode for DP&HDMI on Display >= 12.

Due to schedule, SRU for OEM kernels first.
After these patches are merged to mainline/drmtip kernel, will SRU for generic kernels.

[Test Case]
1.Connected two external Monitor to the onboard HDMI/DP port .
2.Boot OS.
2.set mirror mode. (onboard HDMI / onboard DP)
3.check if screen shakes.

[Where problems could occur]
Low, Remove interlace support for Display >= 12 so it wouldn't cause a regression.

[Misc]
For Jammy, patch 0002 can't 'git am' cleanly so create another one.

Ankit Nautiyal (2):
  drm/i915/display: Drop check for doublescan mode in modevalid
  drm/i915/display: Prune Interlace modes for Display >=12

 drivers/gpu/drm/i915/display/intel_dp.c   |  5 +----
 drivers/gpu/drm/i915/display/intel_hdmi.c | 11 +++++++----
 2 files changed, 8 insertions(+), 8 deletions(-)

-- 
2.25.1




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