Bug 26989 - [GM45]FBC is enabled when connect external display
Summary: [GM45]FBC is enabled when connect external display
Status: CLOSED DUPLICATE of bug 26987
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: unspecified
Hardware: All Linux (All)
: medium normal
Assignee: Jesse Barnes
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-03-09 23:53 UTC by fangxun
Modified: 2012-10-30 05:55 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Attachments
dmesg file (124.35 KB, text/plain)
2010-03-09 23:53 UTC, fangxun 		no flags Details
Xorg log (41.11 KB, text/plain)
2010-03-09 23:59 UTC, fangxun 		no flags Details
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Description fangxun 2010-03-09 23:53:01 UTC 
Created attachment 33915 [details]
dmesg file

System Environment:
--------------------------
Arch:           x86_64
Platform:       GM45
Libdrm:         (master)04fd3872ee8bd8d5e2c27740508c67c2d51dbc11
Mesa:           (master)6f4ce4a4fed9f0f0f0ee89a63e406ab86dae7150
Xserver:        (master)bbae92795c7eab062e6722c42fa7915e0cee5d69
Xf86_video_intel:  (master)318aa9ed799197810e2039dbe3ec51559dcc888c
Kernel:  (drm-intel-next)338d762fc2dc2c1493813123fc4cea998bb3e683


Bug detailed description:
-------------------------
FBC should disabled when connect external display. But we find FBC is enabled on GM45 when connect external display(whether connect monitor before or after startx). 


Reproduce steps:
----------------
If connect external display before startX:
1.booting kernel with drm.debug=0x6
2.connect external display 
3.start X
4.dmesg | grep fbc

If connect external display after startX:
1.booting kernel with drm.debug=0x6
2.start X
3.connect external disaplay
4.xrandr --auto
5.dmesg | grep fbc
Comment 1 fangxun 2010-03-09 23:59:21 UTC 
Created attachment 33916 [details]
Xorg log
Comment 2 Jesse Barnes 2010-04-06 11:50:14 UTC 
Marking this as a dupe, since I think they'll use the same fix.

*** This bug has been marked as a duplicate of bug 26987 ***

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