Created attachment 141515 [details] HF1-12 FAILED GKL fails HDMI 2.0 compliance test HF1-12 TMDS Protocol- 6G- Basic Protocol and Scrambling. From MOI_CTS2.0u (HDMI2.0 certification rule), if more than one or no unscrambled control period per field exists than fail. The HDMI analyzer detects 6.
Please try to reproduce the error using drm-tip (https://cgit.freedesktop.org/drm-tip) and kernel parameters drm.debug=0x1e log_buf_len=4M, and if the problem persists attach the full dmesg from boot.
Created attachment 141555 [details] kernel log board: GLK RVP kernel: Linux version 4.19.0-rc2-drm-tip-2018y-09m-04d+
Priority is set to Highest as this is blocking the customer to pass GKL devices as they are lacking the logo/sticker (Compliance test - pass certificate).
See patch from https://bugs.freedesktop.org/show_bug.cgi?id=107896
Updated patch V2 to Intel-gfx mailing list
new patch attached to 107896 to resolve both issues.
Update: This bug is not blocking anymore to the reporter. Testing is in progress, will take 1~2 weeks for the test results. Reducing the priority to High and status can be updated once the feedback is received.
Feedback was not really received. Based on initial feedback and in house testing patch will be pushed upstream.
Patch pushed to dinq
JingWu Lin, do you confirm that the issue is resolved?
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