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,
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
___
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
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,
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 se
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 en
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 en
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 t
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 goin
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
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
>>>> d
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
>> resolu
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 direct
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
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 s
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
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
> bet
ny USB devices attached, 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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gt; makes many operations slower. It's hard to tell why, but it might have to
> do with loosing XShmPut() (MIT shared memory), excessive migration of
> pixmaps to the framebuffer, and so on. X 1.5 was supposed to have a much
> better EXA, at least judging from the stream of patches landed on the tree.
Indeed - migration is probably what is hurting us the most here. We
would probably have to do a more in-depth 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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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
we don't support alpha hardware cursors at all.
Jordan
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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
>
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
> &g
ay "I told you so" later.. :)
Thanks,
Jordan
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allenge.
Jordan
> -Original Message-
> From: [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
&
caling - 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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d vtotal"
If you are using a "standard" panel and you don't know 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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__
ntialiased (http://en.wikipedia.org/wiki/Antialiasing).
The font renderer is antialiasing the text, so that there are numerous
shades of grey pixels surrounding the glyphs. These will match the
color key, and will refelect the video behind it, but since you are only
seeing a few pixels surround
ns
will match the color key, especially with automatic shading such as
anti-aliasing.
Nothing to worry about - just a fun little side effect of video
acceleration.
Jordan
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_
e
that the CRT is being turned on and used (double plus points if DDC
worked).
Jordan
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/devices/platform/powerbutton/power/wakeup should be available,
actual functionality may differ, please consult your local kernel for
details and rebate offers.
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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ey wish. Not
everybody will choose it, and as Stuart Smalley said, thats okay.
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
>
> > Note that power consumption drives price through the entire chain;
> > what
> > kind/size of power generation you need, etc.
>
> /me wants a graphics accelerator.
Minor nitpick - you _have_ a graphics accelerator. What you really want
is a 3D graphics engine.
On 02/05/08 01:14 +0100, Martin Dengler wrote:
> On Fri, May 02, 2008 at 01:35:21AM +0200, Reinier Heeres wrote:
> > Hi,
> >
> > The problem you encountered was apparently caused by the compiler
> > warning.
>
> Thanks -- that was it!
>
> > Renaming all instances of 'round' with something else
IU. I can also tell you that it is optimized
>> for single precision, so double precision is handled by microcode
>> and needs to go through the path again.
>>
> Thanks!
> I would also like to know how many ALU units does the FPU have? I mean FMUL
> costs 1, PFMUL c
roblem is that we're not using 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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_
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 y
no response. If you tell me
_exactly_ what you think you need, I can try to get the information.
However, I do need exact demands. General "you suck, tell us more"
requests are not effective arguments with the documentation gatekeepers.
Jordan
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Systems S
specification.
You can turn on monochrome mode at any time. Try it yourself:
echo "1" > /sys/devices/platform/dcon/output
Boom - there you go. Monochrome for your pleasure.
Jordan
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=stable
You'll also 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 <[EM
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
ce he'll end up being the
maintainer of the final product in Fedora. Are you ready for OLPC
to bang on your drum?
Jordan
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to work out of the
> > box on the OLPC.
>
> Having a look at the commit log or the X.org wiki would have already
> answered this.
Actually, no - we're not up to date with OLPC, and nobody has actually
tested the vanilla driver on the XO. The status on the wiki is clearly
in
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
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 th
te hardware controls are in place.
Jordan
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t; cs5535audio
These are the hacks for the input mode, 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.
--
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
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 file
#x27;m no oprofile expert (I couldn't get it working at all when I tried it
the other day), but do you have 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
what you would you have us do differently? Are you
advocating that we move to 4Mb pages?
Jordan
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; >
>
> The magnitude of the performance benefit is not at all obvious. The
> Geode's graphics accelerator uses physical addressing.
True - but the framebuffer is also mapped into virtual space for the
benefit of the kernel and userspace, and ou
; suspends; press again to resume. Lid closures do it too.
And as always, /sys/power/state is available for your manual power
suspending needs.
Jordan
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Systems Software Development Engineer
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Devel ma
On 18/12/07 22:54 -0800, M. Edward (Ed) Borasky wrote:
> Jordan Crouse wrote:
>> On 18/12/07 12:39 -0500, Chris Ball wrote:
>>> Hi,
>>>
>>>> However, you appear to be correct about the oprofile kernel.
>>>
>>>> $ grep OPROFILE c
ed with
only zeros, as far as I can tell) , and opreport spits 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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Systems Software D
ts, or output
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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though, so I do need testers.
Thanks,
Jordan
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[LXFB]: _Really_ fix suspend/resume for LX video
From: Jordan Crouse <[EMAIL PROTECTED]>
It turns out that the registers on resume are picky about when t
that are easier to get worldwide. Sure,
you're not going to get the DCON or other custom XO hardware, but you
will get pretty close - at least close enough to do reasonable work.
Jordan
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Systems Software Development Engineer
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comments says "No commits".
> >
> > Thanks a lot,
> > Kein
> >
> >
> >
> > ___
> > Devel mailing list
> > Devel@lists.laptop.org
> > http://lists.laptop.org/listinfo/devel
> >
>
> ______
specific request, IIRC), and I don't believe Andres has ever said he
would outright reject a patch, and he's the only one you ever have to
convince. Code on.
Jordan
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Systems Software Development Engineer
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se an API already built into the system and available today
would be a little over the top.
Jordan
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en it
can implement it iself with simple Xlib calls which are backed by
accelerated hooks.
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 e
upport for svgalib, though, if you are interested in adding
it.
Jordan
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ll together,
and not distributed.
Jordan
> Carl-Daniel
> _______
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>
>
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Because the MFGPT provides the timer tick for the system. You should know
this.
Jordan
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think it should, but its something that we need to be aware of.
So anyway, long story short, its all below in black and white. Please
reply with comments.
Jordan
[OLPC] use the fb_blank() infrastructure to turn off the GPU
From: Jordan Crouse <[EMAIL PROTECTED]>
Remove the powerup and po
d to enter CPU
> mode\n");
> dcon_pending = DCON_SOURCE_DCON;
> return;
> @@ -250,8 +250,8 @@ static void dcon_source_switch(struct work_struct *work)
> if (!dcon_switched)
>
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 bette
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 mea
v.
>
> Is it ok to commit, for now?
For always. It *is* the permanent fix for the problem.
Jordan
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system horribly.
> - Seeing if we can get the blitter to read source data directly from system
> memory. I'd be very surprised 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 usefu
he engine.
Thank you for reporting this, and I'll look into ways we can make
the upload blit behave better.
Jordan
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ally two, an update to the cpu flags and
> > also a strcmp() on the processor ID that had to be fixed to get pixman
> > to detect MMX capability on the geode.
> >
>
> Yeah this the current check:
>
> (strcmp(vendor, "AuthenticAMD") == 0 ||
> strcmp(
86-amd-devel
tree. The fd.o tree is for the rest of the world.
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
> o
to get distracted with topics that could just as easily be
discussed on e-mail or in other IRC forums.
Jordan
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char rgb line (Charter 24)
> 41600.046400.0 ( 1.12) Copy 10x10 from window to window
> 49000.055100.0 ( 1.12) Map window via parent (100 kids)
> 41900.046800.0 ( 1.12) Scroll 10x10 pixels
> 49400.055700.0 ( 1.13) Map window via parent (200 kids)
>678.0 779.0 ( 1.15) 100x100 stippled rectangle (8x8 stipple)
> 17500.020200.0 ( 1.15) Char in 30-char aa line (Charter 24)
> 28.3 32.8 ( 1.16) 500x500 stippled rectangle (8x8 stipple)
> 10400.012100.0 ( 1.16) Char in 80-char a line (Charter 10)
> 9110.011000.0 ( 1.21) Char in 80-char a line (Courier 12)
> 5560.0 7340.0 ( 1.32) Fill 10x10 aa trapezoid
> 3700.0 5030.0 ( 1.36) Fill 300x300 aa trap with 1 bit alpha
> 4110.0 5760.0 ( 1.40) Char in 30-char a line (Charter 24)
> 5530.0 9110.0 ( 1.65) Fill 100x100 aa trap with 1 bit alpha
> 6670.012700.0 ( 1.90) Fill 10x10 aa trap with 1 bit alpha
>163.0 315.0 ( 1.93) Fill 100x100 aa trapezoid
> 6870.013500.0 ( 1.97) Fill 1x1 aa trap with 1 bit alpha
> 18.3 36.9 ( 2.02) Fill 300x300 aa trapezoid
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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
> > &
ottom [1].
Jordan
[1] Well, actually, the low level stuff is in assembly, which I 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 19/08/07 21:20 -0400, Albert Cahalan wrote:
> Guylhem Aznar writes:
> > On 8/18/07, Jordan Crouse 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
> >> s
ardware doesn't have any way of zooming the graphics screen,
so you would have to do it in software, which is probably not ideal on
the Geode.
Jordan
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Jordan Crouse
Systems Software Development Engineer
Advanced Micro Devices, Inc.
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Never mind, the fix is already included in build 499.
Actually, I don't think it is. It might be in 502, though.
> --
> // Bernardo Innocenti
> \X/ http://www.codewiz.org/
>
>
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Jordan Crouse
Systems Software Development Engineer
Advanced Micro Devices, Inc.
__
ily set through sysfs. It doesn't need a new
> component to make that decision.
I'm talking about OHM for userspace policy decisions. But you are
correct. It all boils down to a single sysfs knob for the kernel.
Nothing more is needed.
Jordan
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Jordan Crouse
Systems
lifetime issues
on the flash, and do it anywhere fast enough to make it worthwhile
during regular use? These are questions I know not the answer to.
Jordan
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but I don't know about the lid. Imagine a scenario where somebody
manually puts the machine to sleep and then shuts the lid. You wouldn't want
the machine to turn back on when you lifted it. Lid behavior is so policy
driven, I think we should leave it off by d
gt; the reason why we're seeing the powerdown sequence being started.
>
> Jordan,
>
> I remember you mentioned that reading PM1_STS might be unreliable...
> Can you shed more light into the issue?
Hmm - I don't rem
They just talked about pagemap from Matt Mackall during an BoF at OLS.
This seems like something useful we can use to measure our memory
usage - in particular, it is screaming for tinderbox integration.. :)
http://lkml.org/lkml/2007/4/3/405
(patches are in -mm - map2*).
Jordan
--
Jordan
;* if there isn't a software tick (dynticks/tickless) planned for the
> > very near future
>
> Can we get this info from the kernel?
Probably not - and if you could, the latency to tell you would probably
be longer then the delay. This will also have to be automatical
On 08/06/07 15:51 +0100, Richard Hughes wrote:
> Does the geode support frequency or voltage scaling? If so, how is this
> communicated to userspace?
No.
Jordan
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Jordan Crouse
Senior Linux Engineer
Advanced Micro Devices, Inc.
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On 05/06/07 12:01 -0400, Andres Salomon wrote:
> Jordan Crouse wrote:
> >On 05/06/07 11:28 -0400, Bernardo Innocenti wrote:
> >>David Woodhouse wrote:
> >>
> >>>This hasn't a whelk's chance in a supernova of going upstream,
> >>Why? T
they see our 80's fashioned text console in
> an otherwise cute green laptop.
>
> I always need to justify 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
On 05/06/07 09:28 -0400, Bernardo Innocenti wrote:
> Hello,
>
> these patches make our boot sequence a little more pleasant
> in time for B4, and are anyway a desiderable improvement
> even after we have the real boot splash. To complete
> the effect, I'm also planning to patch X11 to start with
On 30/05/07 17:55 +0200, NoiseEHC wrote:
> I have read the OpenGL thread and at that time displaying was a problem.
> However I noticed that SDL_CreateYUVOverlay does the exact same thing,
> the only question is: does it allow creating two of them and flipping?
Displaying, or scaling? Yes - scal
ng. Even with a video overlay
implementation, you still have to render the whole image before sending
it up through Xv, and thats where you will fall down.
But, if you want to try, then be my guest. The Xv driver has everything
you need to render YUV images to the screen - just make yourself
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