| Summary: | [piketon][drm:intel_dp_aux_ch] *ERROR* dp_aux_ch not started status 0x8025003e with DP interface when do testdisplay -d 16,24 or 32 | ||||||
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| Product: | DRI | Reporter: | bo.b.wang | ||||
| Component: | DRM/Intel | Assignee: | Jesse Barnes <jbarnes> | ||||
| Status: | CLOSED FIXED | QA Contact: | |||||
| Severity: | normal | ||||||
| Priority: | medium | CC: | jbarnes | ||||
| Version: | XOrg git | ||||||
| Hardware: | Other | ||||||
| OS: | Linux (All) | ||||||
| Whiteboard: | |||||||
| i915 platform: | i915 features: | ||||||
| Attachments: |
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The problem also exists on 2010Q4 release. I think this should be fixed by Jesse's recent DP try-harder patch set... The error information still appeared on Sugarbay. *** Bug 38864 has been marked as a duplicate of this bug. *** A patch referencing this bug report has been merged in Linux v3.1-rc1: commit 11bee43ebba0bfc92165c059f6e9869197ea8889 Author: Jesse Barnes <jbarnes@virtuousgeek.org> Date: Mon Aug 1 15:02:20 2011 -0700 drm/i915/dp: wait for previous AUX channel activity to clear Thanks Florian. (In reply to comment #5) > A patch referencing this bug report has been merged in Linux v3.1-rc1: > > commit 11bee43ebba0bfc92165c059f6e9869197ea8889 > Author: Jesse Barnes <jbarnes@virtuousgeek.org> > Date: Mon Aug 1 15:02:20 2011 -0700 > > drm/i915/dp: wait for previous AUX channel activity to clear This patch has fixed the issue. Tested-by: ChenChao chao.a.chen@intel.com Closing old verified+fixed. |
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Created attachment 47799 [details] error info when to testdisplay -d 16, 24 or 32 System Environment: -------------------------- kernel: (drm-intel-next)commit:6a574b5b9b186e28abd3e571dfd1700c5220b510 port: DP port platform: piketon Bug detailed description: ------------------------- when do "testdisplay -d 16, 24 or 32" ,there will be some error information in dmesg like "[drm:intel_dp_aux_ch] *ERROR* dp_aux_ch not started status 0x8025003e". this issue also exists in Linux 3.0-rc1. Reproduce steps: ---------------- 1. DP port 2. testdisplay -d 16, 24 or 32