| Summary: | [IVB Regression] all monitors can't work while connecting more than one devices | ||||||||||
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| Product: | DRI | Reporter: | Guang Yang <guang.a.yang> | ||||||||
| Component: | DRM/Intel | Assignee: | Jesse Barnes <jbarnes> | ||||||||
| Status: | CLOSED FIXED | QA Contact: | |||||||||
| Severity: | major | ||||||||||
| Priority: | high | CC: | ben, chris, daniel, jbarnes | ||||||||
| Version: | unspecified | ||||||||||
| Hardware: | Other | ||||||||||
| OS: | All | ||||||||||
| Whiteboard: | |||||||||||
| i915 platform: | i915 features: | ||||||||||
| Attachments: |
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I've taken the patch out of -queued. Jesse needs to figure out now what's going wrong here. Also, please reattach the dmesg with drm.debug=0xe added to the kernle cmdline. Created attachment 60368 [details]
dmesg with drm.debug=0xe
sorry , here is the dmesg with drm.debug=0xe
Fresh patch on the mailing list for review. Created attachment 60371 [details] [review] manage pch pll v4 Can you please try this patch on top of latest drm-intel-next-queued (which has the broken v3 patch already removed)? (In reply to comment #4) > Created attachment 60371 [details] [review] [review] > manage pch pll v4 > Can you please try this patch on top of latest drm-intel-next-queued (which has > the broken v3 patch already removed)? I have try the patch with lastet -queued branch,which commit is: Kernel: (drm-intel-next-queued)07ad4d14c7e37db174a9cdeb72f61d106a890c77 the bug is gone. Closing old verified. |
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Created attachment 60367 [details] dmesg of booting with 3 monitors System Environment: -------------------------- Platform: IvyBridge Kernel: (drm-intel-next-queued)b98e5240b362e702355ffedba05aeb589dfbcbe2 Bug detailed description: ------------------------- The IvyBridge platform support 3-pipe before,now if connecting more than one monitors,such as two or three devices,they all will be black screen ,but connecting only one can work well. BTW,I try the 3-pipe with VGA+2 HDMI. I have bisect kernel,the first bad commit is : b98e5240b362e702355ffedba05aeb589dfbcbe2 before this commit 3-pipe can work well.