Nouveau - Mar 2013 - [Bug 62115] New: Refresh rate stuck at 60Hz

https://bugs.freedesktop.org/show_bug.cgi?id=62115

          Priority: medium
            Bug ID: 62115
          Assignee: nouveau at lists.freedesktop.org
           Summary: Refresh rate stuck at 60Hz
        QA Contact: xorg-team at lists.x.org
          Severity: critical
    Classification: Unclassified
                OS: Linux (All)
          Reporter: josealb77 at hotmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/nouveau
           Product: xorg

Created attachment 76277
  --> https://bugs.freedesktop.org/attachment.cgi?id=76277&action=edit
boot - change to 60Hz - change to 75Hz but my monitor is still at 60 Hz

Hi,
I'm using Linux Mint 14 MATE x64 kernel 3.5.0-25 with a NVIDIA GeForce GTX
460
video card and a ViewSonic VG1921wm monitor.

Using the NVIDIA privative driver I can set the monitor resolution to 1440x900
@ 75Hz in Menu > Preferences > Display. Then with the monitor buttons I
look in
Information and it says that vertical frequency is 74.8Hz, and when I set it to
1440x900 @ 60Hz, the monitor says that vertical frequency is 59.9Hz, namely:
all works well.

But when I'm using Nouveau it has no effect, whatever I set in Menu >
Preferences > Display the information of my monitor always shows a vertical
frequency of 59.9Hz.

What can I do in order to get the real 1440x900 at 75Hz resolution with Nouveau?

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https://bugs.freedesktop.org/show_bug.cgi?id=62115

Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |NOTABUG

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
[    24.417] (II) NOUVEAU(0): Supported standard timings:
[    24.417] (II) NOUVEAU(0): #0: hsize: 1440  vsize 900  refresh: 60  vid: 149
[    24.417] (II) NOUVEAU(0): #1: hsize: 1440  vsize 900  refresh: 75  vid:
3989
...
[    24.418] (II) NOUVEAU(0): Printing probed modes for output DVI-I-1
[    24.418] (II) NOUVEAU(0): Modeline "1440x900"x59.9  106.50  1440
1520 1672
1904  900 903 909 934 -hsync +vsync (55.9 kHz eP)
[    24.418] (II) NOUVEAU(0): Modeline "1280x1024"x75.0  135.00  1280
1296 1440
1688  1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)

Seems like it sees both the 59.9Hz and 75Hz modes just fine.

You should be able to select the right ones by sticking stuff in your xorg.conf
or by doing something like

xrandr --output DVI-I-1 --mode 1440x900 --refresh 75

(or maybe --mode "1440x900"x75)

If you're still having trouble, feel free to re-open and provide the output
of
"xrandr -q".

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