NoiseEHC wrote:
2. An Xvideo RGB overlay displays the big nothing (black) while the
screen is rotated.
Indeed - XV is purposely turned off when the screen is rotated (or at
least, not displayed):
http://cgit.freedesktop.org/xorg/driver/xf86-video-geode/tree/src/lx_video.c#n465
Jordan
Benjamin M. Schwartz wrote:
Jordan Crouse wrote:
NoiseEHC wrote:
2. An Xvideo RGB overlay displays the big nothing (black) while the
screen is rotated.
Indeed - XV is purposely turned off when the screen is rotated (or at
least, not displayed):
The LX hardware supports rotated blits
da...@lang.hm wrote:
On Wed, 25 Feb 2009, Chris Marshall wrote:
With the spin-off of Sugar development to sugarlabs,
it is nice to see the development continued.
However, it seems that the OLPC layoffs and refocus
has scuttled the work to complete some OS and system
software support for
Edward Cherlin wrote:
National Semiconductor, which bought the line from Cyrix. I edited
several of the pin- and register-level manuals for various chips for
them more than ten years ago, and updates of my work are still online
on the AMD Web site. OLPC has educated AMD on how to use the
Neil Graham wrote:
On Tue, 2008-12-30 at 20:41 -0700, Jordan Crouse wrote:
I'm curious as to why reads from video memory are so slow, On standard
video cards it's slow because there is quite a division between the CPU
and the video memory, but on the geode isn't the video memory shared
Neil Graham wrote:
On Mon, 2008-12-22 at 15:36 -0700, Jordan Crouse wrote:
You might want to re-acquire the numbers with wireless turned off and
the system in a very quiet state. If you want to be extra careful, you
can run the benchmarks in an empty X server (no sugar) and save
Greg Smith wrote:
Hi Jordan,
Looks like we made a little more progress on graphics benchmarking. See
Neil's results below.
I updated the feature page with the test results so far:
http://wiki.laptop.org/go/Feature_roadmap/General_UI_sluggishness
What's next?
Do we know enough now
Greg Smith wrote:
Hi Jordan,
Looks like we made a little more progress on graphics benchmarking. See
Neil's results below.
I updated the feature page with the test results so far:
http://wiki.laptop.org/go/Feature_roadmap/General_UI_sluggishness
What's next?
Do we know enough now
Guy Sheffer wrote:
Hello all,
In Israel we are starting a pilot using 30 B2 OLPC machines.
I have one running sugar 8.2 OS already, however one problem remains:
As you might know the support for the graphical adapter has been
dropped, so the X won't start. I am not sure where to find the
Greg Smith wrote:
Forwarding this to devel.
Any comments or suggestions on how we can start to optimize graphics
performance is appreciated.
That is a rather open ended question. I'll try to point you at some
interesting places to start with the understanding that not one thing
is going
Bert Freudenberg wrote:
On 25.11.2008, at 11:57, Strider wrote:
Hi,
I have a XO Laptop which is a nice machine machine with a high res
display of 1200x900 pixels. The problem with this is that the laptop
isn't powerful enugh to handle fullscreen applications at this
resolution. If
Bert Freudenberg wrote:
On 25.11.2008, at 17:37, Jordan Crouse wrote:
Bert Freudenberg wrote:
On 25.11.2008, at 11:57, Strider wrote:
Hi,
I have a XO Laptop which is a nice machine machine with a high res
display of 1200x900 pixels. The problem with this is that the
laptop isn't
Thanks to Mitch, I fixed the scaling problem. Based on conversations on
IRC, I am afraid that you will be very disappointed, so I am going to
try to explain in great detail how this all works.
First of all, you are going to need either build a new driver on your
own, or convince your favorite
On 03/11/08 09:31 -0800, Deepak Saxena wrote:
[cc:ing devel]
My understanding of cpuidle is that it is designed to be fairly CPU/system
agnostic with a clean driver interface to allow for tweaking the CPU/SOC
idle control. There is even an ARM port [1] but as you will see in that
email, the
On 03/11/08 13:12 -0800, Deepak Saxena wrote:
On Nov 03 2008, at 13:41, Jordan Crouse was caught saying:
The concept of suspend is muddled greatly with kernel and userspace folks
both participating in the discussion and coming at the problem from
different directions. As Deepak says
On 26/10/08 14:21 -0400, Erik Garrison wrote:
On Fri, Oct 24, 2008 at 6:36 PM, Jordan Crouse [EMAIL PROTECTED] wrote:
On 25/10/08 00:00 +0200, NoiseEHC wrote:
The Geode X drive copyes every bit of data to the command ring buffer by
using the CPU so that is sure that those almost no CPU
On 25/10/08 00:00 +0200, NoiseEHC wrote:
The Geode X drive copyes every bit of data to the command ring buffer by
using the CPU so that is sure that those almost no CPU cycles thing is
at least a bit stretch... :) According to Jordan Crouse it will not be
better but he was not too concrete
On 25/10/08 00:48 +0200, NoiseEHC wrote:
Could you be a bit more specific, please? What did you mean when you
talked about that moving a little bit more of the driver to kernel level
would not help? (This was the mentioned thread I had with Bernie.)
I'm not exactly which part you want more
, and then let probing take over after
you have resumed.
There are several successful embedded solutions that use snapshot
images to great effect. We should borrow liberally from their
ideas.
Jordan
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analysis of what is actually
happening in the engine, but the general rule of thumb is that it is very
very very very very bad to read from the video memory.
Jordan
(Did I mention it was bad?)
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screen is choppy.
I still fail to understand why we fall back to the software cursor
on the XO, which negatively impacts rendering performance.
Jordan once told me that the Geode supports one hardware sprite
with alpha.
No - we don't support alpha hardware cursors at all.
Jordan
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On 03/09/08 20:20 -0400, Benjamin M. Schwartz wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Jordan Crouse wrote:
| No - we don't support alpha hardware cursors at all.
Who's we? According to my recollection, the Geode LX docs indicate that
the GPU supports one accelerated 48x48
On 29/08/08 14:07 -1000, Mitch Bradley wrote:
Edward Cherlin wrote.
I also want to see Open Firmware replace proprietary BIOSes everywhere.
I'd like that too, but it won't happen. The market forces that drive
the computer business still favor proprietary thinking, notwithstanding
the
Apparently somewhere along the line, the backlight value gets reset to
full in the DCON silicon after coming back from a DCON sleep.
This patch should remedy that.
Jordan
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[DCON]: Make sure the backlight level
On 20/08/08 12:52 +0200, Bert Freudenberg wrote:
On Aug 7, 2008 Jordan Crouse wrote:
You can change the mode with the xrandr
utility. The following is the output from my system with a 1024x768
panel attached:
me at geodelx:~# xrandr
Screen 0: minimum 320 x 240, current 800 x 600
told you so later.. :)
Thanks,
Jordan
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the timings, you
can probably steal them from the list src/lx_panel.c. Let me know
if you have problems.
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.
For now, we only do full screen scaling - later, I might add centering
if people are interested.
That should be plenty to get you started - questions of course are
welcome.
Jordan
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: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
Jordan Crouse
Sent: Thursday, August 07, 2008 11:07 AM
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: [Xorg-driver-geode] xf86-video-geode: double the RandR
for half theprice
I am happy to present a preview of the forthcoming release
, but there is enough contrast for your
eye to notice the difference.
Jordan
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such as
anti-aliasing.
Nothing to worry about - just a fun little side effect of video
acceleration.
Jordan
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points if DDC
worked).
Jordan
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will turn into
version 2.10. Please test the code, especially if you have an XO and
you are willing to tinker.
http://gitweb.freedesktop.org/?p=xorg/driver/xf86-video-geode.git;a=summary
Thanks,
Jordan
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.
We are closer to that then we ever have been before to providing this,
and on behalf of the Coreboot team and the x86 users of the world,
I would like to thank Mitch and Jim and the OLPC staff for supporting this
effort.
Jordan
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accelerator. What you really want
is a 3D graphics engine. Be sure to keep the distinction seperate;
lots of embedded processors have 2D accelerators, fewer have 3D
capabilities.
Jordan
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that perform similar behavior. There are some 3DNow! operations that
cannot be performed with a single FP operation, and those will still win.
Jordan
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On 29/04/08 17:41 +0200, NoiseEHC wrote:
On this page
http://wiki.laptop.org/go/Geode_LX
I have named some instructions as Synchronized ops (in the MMX
section). Are those real or did I mismeasured something?
That section is very difficult to understand. I'm not sure which
operations you
the correct timings for the
panel. I'm going to have to think about the right way to handle that
for custom panels like the one we have.
Jordan
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want to investigate OHM, which is the userspace power controller.
Good luck.
Jordan
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Minor little problem that was breaking the libpciaccess
hotness in the upstream X driver. This makes it all better.
Jordan
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[OLPC] Fix the VIP resource BAR in the PCI spoofing
From: Jordan Crouse [EMAIL
ready for OLPC
to bang on your drum?
Jordan
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On 29/02/08 08:44 -0700, Jordan Crouse wrote:
On 29/02/08 17:33 +0200, Martin-Éric Racine wrote:
On Fri, Feb 29, 2008 at 5:28 PM, Bernardo Innocenti [EMAIL PROTECTED]
wrote:
Martin-Éric Racine wrote:
This needs to be rebased with our upstream AMD driver git. We're
already
On 22/02/08 17:12 -0800, [EMAIL PROTECTED] wrote:
On Fri, 22 Feb 2008, Richard A. Smith wrote:
[EMAIL PROTECTED] wrote:
Again whats your source for this info? Because its news to me.
http://laptop.org/en/laptop/hardware/specs.shtml
LCD power consumption: 0.1 Watt with backlight
On 26/01/08 21:47 +, [EMAIL PROTECTED] wrote:
On Fri, 25 Jan 2008, Richard A. Smith wrote:
Chris Ball wrote:
Can I wake up 10 seconds from now? Is there a timer in any of the
hardware that is left running?
Yes, but the software does not support this yet. See bug
, right?
Core OLPC platform support:
- Need to clean up the device-tree handling. Can we use fdt?
- PCI support
This will be an interesting battle to fight. :)
I'll work with Andres to get my stuff ready to go.
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On 10/01/08 22:02 +, [EMAIL PROTECTED] wrote:
On Thu, 10 Jan 2008, [EMAIL PROTECTED] wrote:
On Thu, 10 Jan 2008, Chris Ball wrote:
Hi,
I just installed 679 and one new feature is that switching to
tablet mode rotates the screen to one click from normal and lifting
the
On 08/01/08 17:09 -0800, William Fisher wrote:
Jordan Crouse wrote:
On 08/01/08 12:06 -0500, Bernardo Innocenti wrote:
(cc CP, aleph)
David Woodhouse wrote:
1. Did anybody profile the kernel while reading files? Last thing I red
on this list is that the profiler does not work on the XO
the debug version of libc loaded too? Maybe
it can't find the symbols.
Jordan
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On 03/01/08 18:41 -0800, [EMAIL PROTECTED] wrote:
for several versions (650, 653, joyride 1489, 1495, 1498) I've been
noticing errors on the boot console from X. some of these are due to errors
in other software (the 'invalid filter 1' errors), but there are a
surprising number of errors
or for worse, comprise
most of our operations these days, thanks to Cairo and friends.
Jordan
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that this is not an ideal world, and there is some X breakage
that reads and writes a lot from the framebuffer, but quite frankly,
thats the least of our speed worries right now.
But out of curiosity, what you would you have us do differently? Are you
advocating that we move to 4Mb pages?
Jordan
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closures do it too.
And as always, /sys/power/state is available for your manual power
suspending needs.
Jordan
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back errors,
consistant with badly formed sample files.
We need some people who understand oprofile to take a look at whats happening
and diagnose it.
Jordan
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the vsync from one to use as the input on the other. Whichever your GPU
of choice might be able to support.
I'm sure more thoughts will dribble out later as I work through the blocks
that my mind set up to protect me from the DCON pain we once suffered
through.
Jordan
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On 26/09/07 10:31 -0400, Jim Gettys wrote:
On Wed, 2007-09-26 at 06:52 -0700, big one wrote:
No VGA/EGA/CGA.
This is some sort of free VESA BIOS and the author said the source code can
be ported to Linux platform:
http://www.talula.demon.co.uk/freebe/
The Geode emulation system
provides the timer tick for the system. You should know
this.
Jordan
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On 19/09/07 08:14 -0400, Bernardo Innocenti wrote:
Jordan Crouse wrote:
An interesting project for the near future would be adding DRM support
to the amd driver.
Yes it would be. I'm not sure how much we would gain overall - but
having the interrupt support and better memory handling would
this, and I'll look into ways we can make
the upload blit behave better.
Jordan
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if there was no way to make it work
with virtual memory enabled, because, without such a mechanism, the
blitter would be less than fully useful.
You can't make it go with virtual memory, so NAK on this one too.
Jordan
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On 18/09/07 20:09 -0400, Bernardo Innocenti wrote:
Jordan Crouse wrote:
NAK. What you are suggesting will completely breaking the entire Cimarron
infrastructure, which is not something I am willing to do at this stage.
Much time (and by that I mean nearly 4 years) went into writing
, AuthenticAMD) == 0 ||
strcmp(vendor, Geode by NSC) == 0))
I think Jordan mentioned that the LX is not using Geode by NSC anymore.
We should be using AuthenticAMD now. Check /proc/cpuinfo to make sure.
Jordan
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On 11/09/07 13:05 +0200, Stefano Fedrigo wrote:
I've done some more profiling on the 16 vs. 24 bpp issue.
This time I used this test:
https://dev.laptop.org/git?p=sugar;a=blob;f=tests/graphics/hipposcalability.py
A simple speed test: I measured the time required to scroll down and up
one
tree. The fd.o tree is for the rest of the world.
Jordan
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think the
OFW purists will claim isn't actually OFW, but it all comes together in the
same package, and Mitch owns it all, so to us, its OFW.
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On 24/08/07 15:47 +0200, Guylhem Aznar wrote:
Hello
On 8/20/07, Jordan Crouse [EMAIL PROTECTED] wrote:
It'd be great if this could be included. Better yet would be
to allow specifying the raw register value, of course with
an -EINVAL if bits unrelated to swizzle and backlight are set
On 19/08/07 21:20 -0400, Albert Cahalan wrote:
Guylhem Aznar writes:
On 8/18/07, Jordan Crouse jordan.crouse at amd.com wrote:
We didn't enable this ability in the sysfs/ interface. I have
never been too clear on what the actual practical uses are for
something like this, so
, which is probably not ideal on
the Geode.
Jordan
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in build 499.
Actually, I don't think it is. It might be in 502, though.
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\X/ http://www.codewiz.org/
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(olpc_platform_init);
#endif /* CONFIG_RTC_DRV_CMOS */
static void olpc_pm_exit(void)
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that. PM1_STS should be reliable at this point,
assuming nobody has touched it since we resumed.
Jordan
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it with some excuse such as
err... this is to help us debugging the system,
it's not really meant for the end user.
Exactly - so why is any of this even useful to the end user?
Jordan
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www.amd.com/embeddedprocessors
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