Bug 15488 - Xrandr set rate do not take effect
Summary: Xrandr set rate do not take effect
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/intel (show other bugs)
Version: git
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: Wang Zhenyu
QA Contact: Xorg Project Team
Depends on:
Reported: 2008-04-14 01:49 UTC by liuhaien
Modified: 2008-04-21 22:59 UTC (History)
0 users

See Also:
i915 platform:
i915 features:


Description liuhaien 2008-04-14 01:49:32 UTC
when change the refresh rate by using xrandr,it do not take effect.
For example:  xrandr --output VGA --rate 75

follow is "xrandr -q" information

Screen 0: minimum 320 x 200, current 1024 x 768, maximum 1024 x 1024
VGA connected 1024x768+0+0 (normal left inverted right x axis y axis) 304mm x 228mm
   1024x768       60.0*+   75.1     75.0     70.1     60.0*
   832x624        74.6
   800x600        72.2     75.0     60.3     56.2
   640x480        75.0     72.8     75.0     60.0     59.9
   720x400        70.1
TMDS-1 disconnected (normal left inverted right x axis y axis)
TV connected (normal left inverted right x axis y axis)
   1024x768       30.0
   800x600        30.0
   848x480        30.0
   640x480        30.0
Comment 1 Wang Zhenyu 2008-04-20 23:34:09 UTC
You should write "xrandr --output VGA --mode 1024x768 --rate 75.0", which should work.
Comment 2 liuhaien 2008-04-21 22:58:29 UTC
I try to add "--mode 1024x768" to the command .it works now .

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