Thread (27 messages) 27 messages, 6 authors, 2004-06-24

Re: Sane behavior of fbset

From: Antonino A. Daplas <hidden>
Date: 2004-06-19 06:13:16

On Saturday 19 June 2004 11:16, David Eger wrote:
On Sat, Jun 19, 2004 at 02:40:46AM +0800, Antonino A. Daplas wrote:
quoted
In 2.6

1. If you use fbset, you will get screen corruption or hang the GPU

2. stty will do the function of fbset.  However, stty will only pass rows
and cols (xres and yres respectively).  There is no information for bit
depth, timings, virtual resolution, etc.
So *this* is what's going on with my port of the cirrusfb driver--why fbset
wasn't working... for radeonfb fbset still works in 2.6, so i didn't
realize there was this problem... What's so wonky with the fbset code path
that screws things up? and why does stty work?
The flow of fbset is upstream:  fbset->fbdev->fbcon->vc (2.4 code)
The flow of stty is downstream: stty->vc->fbcon->fbdev (2.6 code)

I don't know how radeonfb does it though.

Tony




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