From: "Antonino A. Daplas" <adaplas@hotpop.com>
To: Paolo Ornati <ornati@fastwebnet.it>, adaplas@pol.net
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.9-rc1: scrolling with tdfxfb 5 times slower
Date: Thu, 2 Sep 2004 04:20:55 +0800 [thread overview]
Message-ID: <200409020420.55269.adaplas@hotpop.com> (raw)
In-Reply-To: <200409011355.52999.ornati@fastwebnet.it>
On Wednesday 01 September 2004 19:55, Paolo Ornati wrote:
> > Ok, I think I know why the scrolling speed is too slow, the driver is not
> > maximizing the extra memory of the framebuffer.
> >
> > This patch sets info->var.yres_virtual to the maximum upon driver load.
> > If this works, it's possible to get sub-1 second scrolling speed.
> >
> > Reverse the previous patch first, then apply this patch.
>
> Results for 2.6.9-rc1 + your patch (time cat MAINTAINERS):
>
> CONFIG_FB_3DFX_ACCEL=n
> ~1.27 s
>
> CONFIG_FB_3DFX_ACCEL=y
> ~0.18 s
>
> BUT with CONFIG_FB_3DFX_ACCEL enabled I get strange video
> "corruptions" (like bitmaps with random colors) that go away simply
> swithcing to another console and than back to the previous.
And another suggestion:
Try to comment out FBINFO_HWACCEL_COPYAREA.
Tony
next prev parent reply other threads:[~2004-09-01 20:31 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-31 19:33 2.6.9-rc1: scrolling with tdfxfb 5 times slower Paolo Ornati
2004-08-31 20:28 ` Antonino A. Daplas
2004-09-01 7:10 ` Paolo Ornati
2004-08-31 23:29 ` Antonino A. Daplas
2004-09-01 7:20 ` Paolo Ornati
2004-09-01 10:21 ` Antonino A. Daplas
2004-09-01 10:51 ` Antonino A. Daplas
2004-09-01 11:55 ` Paolo Ornati
2004-09-01 20:10 ` Antonino A. Daplas
2004-09-02 9:23 ` Paolo Ornati
2004-09-02 12:20 ` Antonino A. Daplas
2004-09-02 17:10 ` Paolo Ornati
2004-09-02 19:52 ` Antonino A. Daplas
2004-09-01 20:20 ` Antonino A. Daplas [this message]
2004-09-02 9:26 ` Paolo Ornati
2004-09-01 11:48 ` Paolo Ornati
2004-09-01 1:21 ` David S. Miller
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=200409020420.55269.adaplas@hotpop.com \
--to=adaplas@hotpop.com \
--cc=adaplas@pol.net \
--cc=linux-kernel@vger.kernel.org \
--cc=ornati@fastwebnet.it \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox