Bug 97177 - WARNING at drivers/gpu/drm/i915/intel_sideband.c:187 vlv_dpio_read+0x86/0x90 [i915]
Summary: WARNING at drivers/gpu/drm/i915/intel_sideband.c:187 vlv_dpio_read+0x86/0x90 ...
Status: CLOSED DUPLICATE of bug 90237
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
: 95415 (view as bug list)
Depends on:
Blocks:
 
Reported: 2016-08-02 08:25 UTC by Filipp Andjelo
Modified: 2017-07-24 23:15 UTC (History)
2 users (show)

See Also:
i915 platform: BSW/CHT
i915 features: display/DP

Attachments
dmesg, see from 10.726983 (107.15 KB, text/x-log)
2016-08-02 08:25 UTC, Filipp Andjelo 		no flags Details
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Description Filipp Andjelo 2016-08-02 08:25:14 UTC 
Created attachment 125472 [details]
dmesg, see from 10.726983

Cherry Trail tablet Chuwi HiBook

Multiple similar warnings leading to errors like 
[   10.752631] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in base.adjusted_mode.crtc_clock (expected 155980, found 39063)
[   10.752841] [drm:intel_pipe_config_compare [i915]] *ERROR* mismatch in port_clock (expected 155980, found 39063)
Comment 1 Jari Tahvanainen 2017-03-08 15:01:10 UTC 
scorp@andjelo.de. I'm really sorry about this delay on getting back to you. 
Is this problem still valid? Can you please check it with the latest drm-tip kernel, provide dmesg with debug information included (To obtain a dmesg with debug information, add drm.debug=0xe to your kernel command line or, if you have display issues with kernel 4.1 or newer, use drm.debug=0x1e log_buf_len=1M instead.) and check out if there data also on card/error and attach it if applicable ($ cat /sys/class/drm/card0/error | bz2 > error.bz2)
Comment 2 Jari Tahvanainen 2017-04-19 14:30:48 UTC 
4.6.4-1-ARCH - assuming to be duplicate.

*** This bug has been marked as a duplicate of bug 90237 ***
Comment 3 Jari Tahvanainen 2017-04-19 14:43:43 UTC 
*** Bug 95415 has been marked as a duplicate of this bug. ***

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