Thread (3 messages) 3 messages, 2 authors, 2011-09-23

Re: [PATCH] gma500: gtt based hardware scrolling console

From: Alan Cox <hidden>
Date: 2011-09-22 20:23:35
Also in: lkml

quoted
+       info->fix.ywrapstep = gtt_roll;
Do you really want to set this? I didn't see any other wrapping
support in your patch.
However, I guess you can implement wrapping support using the same
mapping trick?
It is actually wrapping - it writes the low pages back below the high
ones so it works the GTT as a circular buffer - or am I misunderstanding
this.

One thing I wasn't sure of on the fb side. If I've got a display width
that is annoying and can't fit on a 4Kbyte stride am I right in thinking
I can set this to say 8 and use a 512 byte stride and still get
acceleration for the usual font choice ?

Alan
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