| Summary: | [BYT Regression]Unable to work on two pipes(DP and HDMI) | ||||||
|---|---|---|---|---|---|---|---|
| Product: | DRI | Reporter: | Guo Jinxian <jinxianx.guo> | ||||
| Component: | DRM/Intel | Assignee: | Paulo Zanoni <przanoni> | ||||
| Status: | CLOSED DUPLICATE | QA Contact: | Intel GFX Bugs mailing list <intel-gfx-bugs> | ||||
| Severity: | major | ||||||
| Priority: | high | CC: | intel-gfx-bugs | ||||
| Version: | XOrg git | ||||||
| Hardware: | Other | ||||||
| OS: | All | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
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(In reply to comment #0) > Created attachment 94041 [details] > dmesg No drm.debug=0xe module parameter in the dmesg. Please reproduce with that. There's [ 155.953639] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 192 in the logs, might explain things, but we have no details now. > Kernel: (drm-intel-nightly) 64fcdb139972db2663469d8799968260fb43a26d ... > It works well on -testing(54b927ca040f2adee35f9ee95c9ce40d6be2f0e8) Could you bisect this please? -nightly 64fcdb139972db2663469d8799968260fb43a26d failed -next-queued b6ae3c7c60161a9b1e15b1ccd6412fad65b7d9cf failed -testing 54b927ca040f2adee35f9ee95c9ce40d6be2f0e8 passed I well bisect it next week. thanks Two pipes can work well with the latest –nightly of Daniel’s old tree, but failed with latest –nightly on the new tree. Duo to the code changing and missed commit, QA hard to find a good commit to bisect. BTW, Latest -fixes(f51a44b9a6c4982cc25bfb3727de9bb893621ebc) is passed. Do both displays light up with testdisplay or X? If so, this might be a dupe of #75246. (In reply to comment #4) > Do both displays light up with testdisplay or X? If so, this might be a > dupe of #75246. Yes, displays is able to light up with testdisplay or X, it might be the same issue with #75246 *** This bug has been marked as a duplicate of bug 75246 *** Closing verified as duplicate of closed+verified. |
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Created attachment 94041 [details] dmesg Environment: -------------------------- Platform: BayTrail Kernel: (drm-intel-nightly) 64fcdb139972db2663469d8799968260fb43a26d Bug detailed description: ----------------------------- The device unable to work on two pipes mode. DP and HDMI unable to work at the same time. It works well on -testing(54b927ca040f2adee35f9ee95c9ce40d6be2f0e8) Steps: --------------------------- 1. Boot OS only with DP 2. Hot-plug HDMI cable, the monitor will show "HDMI NO SIGNAL" 3. If unplug DP, HDMI works normally 4. Reboot OS only with HDMI 5. Hot-plug DP cable, the monitor will show "DP NO SIGNAL" 6. If unplug HDMI, DP workd normally