[ 4.550517] [drm:intel_dp_hpd_pulse [i915]] ESI: 41 00 00 00 00 00 00 00 00 00 00 00 81 01
According to that the sink thinks everything is fine, so no idea why generates short hpds.
Could be some kind of PSR fail. Please try passing i915.enable_psr=0 to the kernel cmdline.
[ 4.550517] [drm:intel_ dp_hpd_ pulse [i915]] ESI: 41 00 00 00 00 00 00 00 00 00 00 00 81 01
According to that the sink thinks everything is fine, so no idea why generates short hpds.
Could be some kind of PSR fail. Please try passing i915.enable_psr=0 to the kernel cmdline.