[mythtv-users] overscan compensating display manager?

John and Holly Klug j.h.klug at gmx.net
Fri Feb 15 06:37:13 UTC 2008


Alex Halovanic wrote:
> No I meant adjusting JUST the 1280 and 720 numbers, leave the others
> alone to leave it in 1280x720 timings.  All it should do is put out
> exactly the same picture as before, but not use all of the pixels on the
> sides just as an overscan compensating window manager would.
>   
Don't know why, but nvidia driver wants 648p ModeLine below to go to 
1080i.  It would be nice to know what the reasoning here is.
    ModeLine       "720p" 74.25 1280 1390 1430 1650 720 725 730 750 
+hsync +vsync
    ModeLine       "648p" 74.25 1152 1390 1430 1650 648 725 730 750 
+hsync +vsync

Xorg.0.log
(II) NVIDIA(0):   Validating Mode "720p":
(II) NVIDIA(0):     1280 x 720 @ 60 Hz
(II) NVIDIA(0):     Mode Source: X Configuration file ModeLine
(II) NVIDIA(0):       Pixel Clock      : 74.250 MHz
(II) NVIDIA(0):       HRes, HSyncStart : 1280, 1390
(II) NVIDIA(0):       HSyncEnd, HTotal : 1430, 1650
(II) NVIDIA(0):       VRes, VSyncStart :  720,  725
(II) NVIDIA(0):       VSyncEnd, VTotal :  730,  750
(II) NVIDIA(0):       H/V Polarity     : +/+
(II) NVIDIA(0):     BestFit Backend for "720p": 1280x720
(II) NVIDIA(0):     Mode is valid.
(II) NVIDIA(0):
(II) NVIDIA(0):   Validating Mode "648p":
(II) NVIDIA(0):     1152 x 648 @ 60 Hz
(II) NVIDIA(0):     Mode Source: X Configuration file ModeLine
(II) NVIDIA(0):       Pixel Clock      : 74.250 MHz
(II) NVIDIA(0):       HRes, HSyncStart : 1152, 1390
(II) NVIDIA(0):       HSyncEnd, HTotal : 1430, 1650
(II) NVIDIA(0):       VRes, VSyncStart :  648,  725
(II) NVIDIA(0):       VSyncEnd, VTotal :  730,  750
(II) NVIDIA(0):       H/V Polarity     : +/+
(II) NVIDIA(0):     BestFit Backend for "648p": 1920x1080
(II) NVIDIA(0):     Mode is valid.
  ...
(II) NVIDIA(0): Requested modes:
(II) NVIDIA(0):     "648p"
(II) NVIDIA(0):     "720p"
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0): MetaMode "648p":
(II) NVIDIA(0):     Bounding Box: [0, 0, 1152, 648]
(II) NVIDIA(0):     SAMSUNG (DFP-0): "648p"
(II) NVIDIA(0):         Size          : 1152 x 648
(II) NVIDIA(0):         Offset        : +0 +0
(II) NVIDIA(0):         Panning Domain: @ 1152 x 648
(II) NVIDIA(0):         Position      : [0, 0, 1152, 648]
(II) NVIDIA(0): MetaMode "720p":
(II) NVIDIA(0):     Bounding Box: [0, 0, 1280, 720]
(II) NVIDIA(0):     SAMSUNG (DFP-0): "720p"
(II) NVIDIA(0):         Size          : 1280 x 720
(II) NVIDIA(0):         Offset        : +0 +0
(II) NVIDIA(0):         Panning Domain: @ 1280 x 720
(II) NVIDIA(0):         Position      : [0, 0, 1280, 720]
(II) NVIDIA(0): Virtual screen size determined to be 1280 x 720
  ...
(II) NVIDIA(0): Setting mode "648p"
(II) NVIDIA(0): First mode initialized
(II) NVIDIA(0): Using built-in logo image.
(II) NVIDIA(0): Logo is 744x537 with depth 24.
(II) Loading extension NV-GLX
(II) NVIDIA(0): NVIDIA 3D Acceleration Architecture Initialized
(II) NVIDIA(0): Visuals set up
(II) NVIDIA(0): Pixmap depths set up
(II) NVIDIA(0): GLX visuals set up
(II) NVIDIA(0): Framebuffer set up




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