From: Pete Popov <ppopov@embeddedalley.com>
To: Karl Lessard <klessard@sunrisetelecom.com>
Cc: linux-mips@linux-mips.org
Subject: Re: Epson13806 performances on Pb1100
Date: Wed, 08 Dec 2004 10:05:30 -0800 [thread overview]
Message-ID: <41B7426A.2040502@embeddedalley.com> (raw)
In-Reply-To: <MAILSERVERUhrBb0aCQ0000084e@mailserver.sunrisetelecom.com>
Karl Lessard wrote:
> Hi all,
>
> I'm currently developping on a Pb1100 alchemy board, and I use the Epson
> 13806 graphic controller connected to the Au1100 static bus. I've written a
> driver for it for kernel 2.6.x, and update the Au1100 code so I can access
> 0xE 0000 0000 address range.
>
> Everything works fine, but for the speed. It seems that accessing the chip is
> too slow for having high-graphic performances. The LCLK is set at 49500KHz,
> as the memory clock inside the chip. I know it's a bit overclocked, but a
> lower LCLK freezes my system.
I've used the chip with the 2.4 kernel/driver to run X and some
apps. I'm not sure what you mean by high performance -- does X run
at reasonable speeds?
Pete
> I would like to know if anyone have encountered this performance problem in
> the past with this chip.
>
> Thanks in advance,
> Karl
>
>
next prev parent reply other threads:[~2004-12-08 18:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-08 16:06 Epson13806 performances on Pb1100 Karl Lessard
2004-12-08 16:40 ` Dan Malek
2004-12-08 18:05 ` Pete Popov [this message]
2004-12-08 19:38 ` Karl Lessard
2004-12-08 20:37 ` Michael Kelly
2004-12-08 21:17 ` Karl Lessard
2004-12-08 22:35 ` Eric DeVolder
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=41B7426A.2040502@embeddedalley.com \
--to=ppopov@embeddedalley.com \
--cc=klessard@sunrisetelecom.com \
--cc=linux-mips@linux-mips.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.