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Old 06-08-07, 07:08 AM   #1
cement_head
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Default NVreg options/manual

Hi,

Is there someplace that lists an NVreg options list, or a manual as to the available options?

Thanks,
CH
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Old 06-08-07, 12:20 PM   #2
Thunderbird
 
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Default Re: NVreg options/manual

Yes in the source of the kernel module. Though the options aren't that useful anymore these days.
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Old 06-08-07, 12:32 PM   #3
cement_head
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Default Re: NVreg options/manual

Quote:
Originally Posted by Thunderbird
Yes in the source of the kernel module. Though the options aren't that useful anymore these days.

Okay, great! Would that be the filename & location?

- CH
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Old 06-13-07, 03:52 PM   #4
mark_kiddy
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Default Re: NVreg options/manual

but - anyone have a NVreg_RegistryDwords option detail description ?
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Old 10-15-07, 09:47 PM   #5
cement_head
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Default Re: NVreg options/manual

Quote:
Originally Posted by mark_kiddy
but - anyone have a NVreg_RegistryDwords option detail description ?
Yep, finally found it. It's in a file called "README.txt" located /usr/share/doc/nvidia-glx/README.txt.gz (on Ubuntu Fiesty 7.04)


Code:
Installation and configuration of the NVIDIA Accelerated Linux Driver Set on a
laptop is the same as for any desktop environment, with a few minor
exceptions, listed below.

Starting with the 1.0-2802 release, information about the internal flat panel
for use in initializing the display is by default generated on the fly from
data stored in the video BIOS. This can be disabled by setting the "SoftEDIDs"
kernel option to 0. If "SoftEDIDs" is turned off, then hardcoded data will be
chosen from a table, based on the value of the "Mobile" kernel option.

The "Mobile" kernel option can be set to any of the following values:

    Value              Meaning
    ---------------    ------------------------------------------------------
    0xFFFFFFFF         let the kernel module autodetect the correct value
    1                  Dell laptops
    2                  non-Compal Toshiba laptops
    3                  all other laptops
    4                  Compal Toshiba laptops
    5                  Gateway laptops

Again, the "Mobile" kernel option is only needed if SoftEDIDs is disabled;
when it is used, it is usually safest to let the kernel module autodetect the
correct value (this is the default behavior).

Should you need to alter either of these options, you may do so in any of the
following ways:

   o editing os-registry.c in the usr/src/nv/ directory of the '.run' file.

   o setting the value on the modprobe command line (e.g.: `modprobe nvidia
     NVreg_SoftEDIDs=0 NVreg_Mobile=3`)

   o adding an "options" line to your module configuration file, usually
     '/etc/modules.conf' (e.g.: "options nvidia NVreg_Mobile=5")
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Old 10-15-07, 10:05 PM   #6
netllama
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Default Re: NVreg options/manual

That's the driver README that ships with the official driver package. However, that section is no longer present in 100.14.19.
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Old 10-16-07, 08:22 AM   #7
Lithorus
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Default Re: NVreg options/manual

Quote:
Originally Posted by Thunderbird
Yes in the source of the kernel module. Though the options aren't that useful anymore these days.
I for one have to use the NVreg_RegistryDwords="PerfLevelSrc=0x2222" option so my display doesn't "stutter".
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Old 10-16-07, 02:25 PM   #8
stefan42
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Default Re: NVreg options/manual

Quote:
Originally Posted by Lithorus
I for one have to use the NVreg_RegistryDwords="PerfLevelSrc=0x2222" option so my display doesn't "stutter".
Me too. Nvidia said the stuttering was not reproducible and although it helps there's no official word about the PerfLevelSrc hack.
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Old 10-17-07, 11:15 AM   #9
Lithorus
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Default Re: NVreg options/manual

Quote:
Originally Posted by stefan42
Me too. Nvidia said the stuttering was not reproducible and although it helps there's no official word about the PerfLevelSrc hack.
Actually the stuttering for me is the same in Windows if I don't use the drivers from Sony.
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