Re: 16 bpp and 1280 x 1024

["Orn E. Hansen" <oehansen@halmstad.mail.telia.com>]

Michael Gajhede <gajhede@jerne.ki.ku.dk> wrote:


> (--) S3: Using Trio32/64 programmable clock (MCLK 70.000 MHz)
> (--) S3: Maximum allowed dot-clock: 80.000 MHz
> (--) S3: Clock for mode "1280x1024" is too high for the configured hardware.
>         Limit is  80.000 MHz
> (--) S3: Removing mode "1280x1024" from list of valid modes.
> (--) S3: Clock for mode "1152x864" is too high for the configured hardware.
>         Limit is  80.000 MHz
> (--) S3: Removing mode "1152x864" from list of valid modes.
> (--) S3: Clock for mode "1024x768" is too high for the configured hardware.
>         Limit is  80.000 MHz
> (--) S3: Removing mode "1024x768" from list of valid modes.

  The (--) says the value is probed from the driver, which informes you
that the maximum dot clock allowed is 80.000 MHz (Which is a little wierd,
the builtin limit is 90.000 MHz).

  Those modes, for a greater resolution than 800x600 need a dot-clock higher
than 80.000 MHz... since you are using 16 bit planes... so you need a driver 
that supports greater speed for the dot-clock (if the chipset for your
programmable clock supports it), obviously.

-- 
----------------------------------------------------------------------------
Ørn Einar Hansen                         oe.hansen@halmstad.mail.telia.com
                                          oehansen@daimi.aau.dk
                                    fax; +46 035 217194



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