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Old 08-14-12, 02:46 PM   #1
piotro
Registered User
 
Join Date: May 2007
Posts: 72
Default 295.59->304.37: issue with refresh changes

Hi,

I just upgraded my 0.25.2 MythTV system from 295.59 to 304.37 (ION1).
With 295.49 I had perfectly working auto mode switching for matching playback fps.
With 304.37 this function is broken.

Playback log for 295.59 reports:
Code:
2012-08-14 19:22:24.484339 I  VDP: SetVideoRenderer(vdpau)
2012-08-14 19:22:24.484360 I  VDP: SetVideoRender(vdpau) == GetVideoRenderer()
2012-08-14 19:22:24.486083 I  Trying to match best refresh rate 23.976Hz
2012-08-14 19:22:24.486142 I  Trying 1920x1080 24.000 Hz
2012-08-14 19:22:24.748004 I  SwitchToVideo: Video size 1920 x 1080: 
    Switched to displaying resolution 1920 x 1080, 739mm x 416mm
With 304.37
Code:
2012-08-14 19:08:45.145801 I  Trying to match best refresh rate 23.976Hz
2012-08-14 19:08:45.145972 I  Trying 1920x1080 72.000 Hz
2012-08-14 19:08:45.698234 I  SwitchToVideo: Video size 1920 x 1080: 
    Switched to displaying resolution 1920 x 1080, 738mm x 415mm
72Hz isn't reported by xrandr so it looks like 304.37 have kind of problem with interacting with MythTV.

I see 2 possibilities:
1. New nvidia drivers required some changes in xorg.conf. Without them 304.37 will not cooperate properly with MythTV.
2. There is bug within 304.37.

I have Q: what is compatibility between 304.37 & 295.59 with respect to xorg.conf. Should I change anything in xorg.conf to get 304.37 drivers working as drop-in for 295.59.

xrandr for 304.37 reports:

Code:
root@FE-Livingroom:~ # xrandr
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 8192 x 8192
VGA-0 disconnected (normal left inverted right x axis y axis)
HDMI-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 820mm x 460mm
   1920x1080      50.0 +   60.0     59.9     50.0     30.0     30.0*    25.0     24.0     24.0     30.0     30.0     25.0     24.0     30.0     30.0     25.0  
   1400x1050      60.0     60.0  
   1360x768       60.0     59.8     50.1  
   1280x1024      60.0  
   1280x960       60.0  
   1280x720       59.9     50.0  
   1024x768       60.0  
   800x600        60.3     56.2  
   720x576        50.0     25.0  
   720x480        59.9     30.0  
   700x525       120.0  
   640x480        59.9     59.9  
   512x384       120.0  
   320x240       120.1  
root@FE-Livingroom:~ #
xorg.log attached
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Old 08-19-12, 02:55 PM   #2
jyavenard
MythTV developer
 
Join Date: Mar 2006
Posts: 413
Default Re: 295.59->304.37: issue with refresh changes

Myth uses nvctrl to detect the refresh rates available.

Myth detects 72Hz when it's not there. Sounds like something got broken there.
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