Rage128 support for resolutions less than panel resolution?

Derrik Pates dpates at dsdk12.net
Wed Dec 5 07:06:37 EST 2001

The patch for stretching for lower panel resolutions is working perfectly
on this iBook. I did have to make a minor modification to aty128fb.c to
get it to work right, though - I had to add a section for PowerBook2,1 and
PowerBook2,2 compatible systems (that's all the round-case iBooks, with
and without FireWire) that set the info->panel_width and
info->panel_height variables to the correct values. I've noticed that the
'width' and 'height' properties of the ATY,RageM3p1 device node in
/proc/device-tree contain the actual panel dimensions, so that might be
all that's needed (at least on PPC systems, since they have a device tree)
to get the real panel dimensions.

Also, 'fbset 640x480-60' produces a slightly messed up display - the image
is squished to half-height, and doubled (same above and below) - but
640x480-72 and 640x480-75 both work correctly.

Derrik Pates      |   Sysadmin, Douglas School   |    #linuxOS on EFnet
dpates at dsdk12.net |     District (dsdk12.net)    |    #linuxOS on OPN

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