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authormacallan <macallan@NetBSD.org>2012-03-08 05:42:44 +0000
committermacallan <macallan@NetBSD.org>2012-03-08 05:42:44 +0000
commitd8bcb4cf57c2d0f7dc2f157d3cbb6b8b3a31acf3 (patch)
tree92dd8afcc2ba6129d09170c82452650557e7e3a4 /sys/dev/microcode
parentb866a3e95542d611c1ebd19d04c906e075908675 (diff)
when doing host blits, let the fifo drain every now and then. Apparently even
a relatively slow CPU can overload a relatively fast Rage 128 in some circumstances. This cures weird artifacts seen when scrolling lots and lots of text very fast. Why this only showed up with glyph cacheing which should reduce the frequency of host blits isn't quite clear though.
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