Bug 89401 - [BYT]Some testdisplay case cause screen flicker.
Summary: [BYT]Some testdisplay case cause screen flicker.
Status: CLOSED INVALID
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: DRI git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-03-03 06:14 UTC by Ding Heng
Modified: 2017-07-24 22:48 UTC (History)
2 users (show)

See Also:
i915 platform: BYT
i915 features: display/Other

Attachments
dmesg (123.49 KB, text/plain)
2015-03-03 06:14 UTC, Ding Heng 		no flags Details
View All

Description Ding Heng 2015-03-03 06:14:32 UTC 
Created attachment 113933 [details]
dmesg

==System Environment==
--------------------------
Regression: not sure, this issue have about 1/3 change to  reproduce, I'm not sure whether this issue exists before. 
no-working platforms: BYT

==kernel==
--------------------------
drm-intel-testting/820fa21889d702c70c82e30342154624c7139bb3(2015-02-28)


==Bug detailed description==
-----------------------------
Run the command below, sreen sometimes will start to flicker.
./testdisplay -p 100,100,0,0,100,100

==Reproduce steps==
---------------------------- 
1. ./testdisplay -p 100,100,0,0,100,100
Comment 1 Ding Heng 2015-03-18 05:28:10 UTC 
affected cases:
testdisplay -a
testdisplay -d 24

testdisplay -d 16 will not cause this issue.
Comment 2 Ding Heng 2015-04-16 08:19:20 UTC 
(In reply to Ding Heng from comment #1)
> affected cases:
> testdisplay -a
> testdisplay -d 24
> 
> testdisplay -d 16 will not cause this issue.

now all testdisplay -d cases will met this issue. And this issue will also happen on nightly branch.
Comment 3 Jani Nikula 2016-06-17 15:29:20 UTC 
Timeout, closing. Please reopen if the problem persists with latest kernels.

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