From: Jon Smirl <jonsmirl-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Carl-Daniel Hailfinger
<c-d.hailfinger.devel.2005-hi6Y0CQ0nG0@public.gmane.org>
Cc: ncunningham-jjFNsPSvq+iXDw4h08c5KA@public.gmane.org,
Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>,
ACPI List
<acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org>,
Linux Kernel Mailing List
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: [RFC] Reliable video POSTing on resume (was: Re: Samsung P35, S3, black screen (radeon))
Date: Fri, 4 Feb 2005 00:03:24 -0500 [thread overview]
Message-ID: <9e47339105020321031ccaabb@mail.gmail.com> (raw)
In-Reply-To: <4202DF7B.2000506-hi6Y0CQ0nG0@public.gmane.org>
Reseting a video card from suspend is essentially the same problem as
reseting secondary video cards on boot. The same code can address both
problems.
Some things to consider....
1) With multiple video cards you have to ensure only a single VGA gets
enabled. Running video reset on a card is going to turn on it's VGA
emulation. So you have to ensure that VGA emulation on other cards is
disabled first.
2) I add the 'rom' parameter in sysfs so that you can get to the rom
contents from a user space app. It's there to support running video
reset code. "echo 1 >rom" to see the contents, it is not enabled by
default.
3) The user space reset programs have to be serialized because of the
rule about only a single VGA at a time. Calling vm86 from kernel mode
is not a good idea. Doing this in user space lets you have two reset
programs, vm86 and emu86 for non-x86 machines.
A starting place for a user space reset program:
ftp://ftp.scitechsoft.com/devel/obsolete/x86emu/x86emu-0.8.tar.gz
This thread talks about the VGA routing code:
http://lkml.org/lkml/2005/1/17/347
--
Jon Smirl
jonsmirl-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
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next prev parent reply other threads:[~2005-02-04 5:03 UTC|newest]
Thread overview: 105+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-22 13:42 Samsung P35, S3, black screen (radeon) Nikolaus Filus
[not found] ` <20050122134205.GA9354-u75qzGzWA6cb1SvskN2V4Q@public.gmane.org>
2005-02-03 1:46 ` Carl-Daniel Hailfinger
[not found] ` <4201825B.2090703-hi6Y0CQ0nG0@public.gmane.org>
2005-02-03 1:54 ` Matthew Garrett
2005-02-03 5:38 ` Stefan Schweizer
[not found] ` <e796392205020221387d4d8562-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-03 11:56 ` Matthew Garrett
2005-02-03 12:23 ` Carl-Daniel Hailfinger
[not found] ` <420217DB.709-hi6Y0CQ0nG0@public.gmane.org>
2005-02-03 22:45 ` Carl-Daniel Hailfinger
[not found] ` <4202A972.1070003-hi6Y0CQ0nG0@public.gmane.org>
2005-02-03 22:54 ` Pavel Machek
[not found] ` <20050203225410.GB1110-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-03 23:43 ` Nigel Cunningham
[not found] ` <1107474198.5727.9.camel-r49W/1Cwd2ff0s6lnCXPXw0QcLn3kwYh@public.gmane.org>
2005-02-04 2:35 ` [RFC] Reliable video POSTing on resume (was: Re: Samsung P35, S3, black screen (radeon)) Carl-Daniel Hailfinger
[not found] ` <4202DF7B.2000506-hi6Y0CQ0nG0@public.gmane.org>
2005-02-04 2:51 ` [RFC] Reliable video POSTing on resume (was: Re: [ACPI] " Nigel Cunningham
[not found] ` <1107485504.5727.35.camel-r49W/1Cwd2ff0s6lnCXPXw0QcLn3kwYh@public.gmane.org>
2005-02-04 7:18 ` [RFC] Reliable video POSTing on resume (was: " Jon Smirl
[not found] ` <9e4733910502032318460f2c0c-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-04 7:44 ` Pavel Machek
[not found] ` <20050204074454.GB1086-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-04 17:38 ` Jon Smirl
[not found] ` <9e473391050204093837bc50d3-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-05 0:52 ` [RFC] Reliable video POSTing on resume Carl-Daniel Hailfinger
[not found] ` <420418C7.5010309-hi6Y0CQ0nG0@public.gmane.org>
2005-02-05 1:08 ` Jon Smirl
2005-02-05 9:35 ` [RFC] Reliable video POSTing on resume (was: Re: Samsung P35, S3, black screen (radeon)) Pavel Machek
[not found] ` <20050205093550.GC1158-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-05 11:35 ` [RFC] Reliable video POSTing on resume Ondrej Zary
2005-02-06 16:02 ` [RFC] Reliable video POSTing on resume (was: Re: [ACPI] Samsung P35, S3, black screen (radeon)) Alan Cox
2005-02-07 2:11 ` Adam Sulmicki
[not found] ` <Pine.BSF.4.62.0502062107000.26868-l0fCXZmbWQJ/Vb4cDf9RU/Z8FUJU4vz8@public.gmane.org>
2005-02-07 14:27 ` [RFC] Reliable video POSTing on resume Paulo Marques
[not found] ` <42077AC4.5030103-TSnNRl9vlf1Wk0Htik3J/w@public.gmane.org>
2005-02-07 14:36 ` Carl-Daniel Hailfinger
[not found] ` <42077CFD.7030607-hi6Y0CQ0nG0@public.gmane.org>
2005-02-07 15:39 ` Paulo Marques
2005-02-07 16:01 ` Pavel Machek
2005-02-07 16:20 ` Li-Ta Lo
[not found] ` <1107793204.2930.18.camel-fiEEBCSFsUl2jBC2uHMcnu1ftBKYq+Ku@public.gmane.org>
2005-02-11 1:47 ` Carl-Daniel Hailfinger
[not found] ` <420C68B3.4080509@scitechsoft.com>
[not found] ` <420CA2D2.6050003@gmx.net>
[not found] ` <420D08F2.3060505@scitechsoft.com>
[not found] ` <420D5481.1060402@gmx.net>
[not found] ` <420D7B1B.3030503@scitechsoft.com>
[not found] ` <421715EB.3020207@gmx.net>
[not found] ` <42180D40.1020409@scitechsoft.com>
[not found] ` <425907FC.6010504@gmx.net>
[not found] ` <425907FC.6010504-hi6Y0CQ0nG0@public.gmane.org>
2005-05-10 8:36 ` Carl-Daniel Hailfinger
[not found] ` <42807289.8090003-hi6Y0CQ0nG0@public.gmane.org>
2005-05-10 16:33 ` Kendall Bennett
[not found] ` <4280E262.9020207-uto6oM0aG36m1FQbPH9wZw@public.gmane.org>
2005-05-10 19:36 ` Carl-Daniel Hailfinger
2005-02-07 18:04 ` [RFC] " Adam Sulmicki
2005-02-07 16:39 ` Li-Ta Lo
2005-02-07 13:24 ` [ACPI] Re: [RFC] Reliable video POSTing on resume (was: Re: [ACPI] Samsung P35, S3, black screen (radeon)) Matthew Garrett
2005-02-07 14:09 ` Pavel Machek
[not found] ` <20050207140937.GA8040-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-07 14:25 ` Matthew Garrett
[not found] ` <1107695583.14847.167.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2005-02-10 19:13 ` [RFC] Reliable video POSTing on resume (was: " Bill Davidsen
[not found] ` <420BB267.8060108-sQDSfeB7uhw@public.gmane.org>
2005-02-10 19:25 ` Ville Syrjälä
[not found] ` <20050210192554.GA15726-ORSVBvAovxo@public.gmane.org>
2005-02-10 20:08 ` [RFC] Reliable video POSTing on resume (was: Re: [ACPI] " Matthew Garrett
2005-02-10 20:17 ` [RFC] Reliable video POSTing on resume (was: " Jon Smirl
2005-02-10 20:29 ` [RFC] Reliable video POSTing on resume (was: Re: [ACPI] " Matthew Garrett
2005-02-10 20:34 ` [RFC] Reliable video POSTing on resume (was: " Jon Smirl
[not found] ` <9e47339105021012341c94c441-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-10 20:46 ` [RFC] Reliable video POSTing on resume Kendall Bennett
[not found] ` <420BC814.4050102-uto6oM0aG36m1FQbPH9wZw@public.gmane.org>
2005-02-10 21:06 ` Matthew Garrett
2005-02-10 21:20 ` Kendall Bennett
2005-02-10 21:28 ` Jon Smirl
2005-02-10 22:53 ` Matthew Garrett
[not found] ` <9e47339105021013285e390e2a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-11 1:41 ` Carl-Daniel Hailfinger
[not found] ` <9e473391050210121756874a84-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-10 20:32 ` [RFC] Reliable video POSTing on resume (was: Re: Samsung P35, S3, black screen (radeon)) Ville Syrjälä
2005-02-10 19:31 ` Pavel Machek
2005-02-07 19:27 ` Eric W. Biederman
[not found] ` <m1lla0187m.fsf-T1Yj925okcoyDheHMi7gv2pdwda3JcWeAL8bYrjMMd8@public.gmane.org>
2005-02-07 20:59 ` Pavel Machek
2005-02-04 5:03 ` Jon Smirl [this message]
[not found] ` <9e47339105020321031ccaabb-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-04 7:49 ` Pavel Machek
2005-02-04 12:17 ` [RFC] Reliable video POSTing on resume Carl-Daniel Hailfinger
[not found] ` <420367CF.7060206-hi6Y0CQ0nG0@public.gmane.org>
2005-02-04 13:51 ` Matthew Garrett
2005-02-04 16:30 ` Pavel Machek
[not found] ` <20050204163019.GC1290-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-04 17:31 ` Jon Smirl
[not found] ` <9e4733910502040931955f5a6-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-04 18:10 ` Jesse Barnes
[not found] ` <200502041010.13220.jbarnes-UzQTBcouhwxWk0Htik3J/w@public.gmane.org>
2005-02-04 20:29 ` Jon Smirl
[not found] ` <9e473391050204122942da8aa7-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-04 22:13 ` James Simmons
2005-02-04 21:56 ` James Simmons
2005-02-04 22:59 ` Legacy IO spaces (was Re: [RFC] Reliable video POSTing on resume) Jon Smirl
[not found] ` <9e4733910502041459500ae8d3-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-04 23:34 ` Jesse Barnes
[not found] ` <200502041534.03004.jbarnes-UzQTBcouhwxWk0Htik3J/w@public.gmane.org>
2005-02-05 0:48 ` Jon Smirl
[not found] ` <9e47339105020416486cf19738-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-05 22:42 ` Benjamin Herrenschmidt
2005-02-06 0:17 ` Jon Smirl
2005-02-06 0:07 ` Jon Smirl
[not found] ` <9e47339105020516072b33a9c6-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-06 0:19 ` Jesse Barnes
2005-02-05 2:04 ` [RFC] Reliable video POSTing on resume Matthew Garrett
2005-02-05 2:09 ` Jon Smirl
[not found] ` <9e4733910502041809738017a7-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-05 2:17 ` Matthew Garrett
2005-02-05 2:30 ` Jon Smirl
[not found] ` <9e47339105020418306a4c2c93-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-05 8:15 ` Matthew Garrett
2005-02-05 11:53 ` Ondrej Zary
[not found] ` <4204B3C1.80706-ZCIryABCsrmttCpgsWEBFmD2FQJk+8+b@public.gmane.org>
2005-02-05 12:28 ` Matthew Garrett
2005-02-05 15:47 ` Jon Smirl
[not found] ` <9e473391050205074769e4f10-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-05 16:48 ` Stefan Dösinger
2005-02-05 17:38 ` [ACPI] " Jon Smirl
[not found] ` <9e47339105020509382adbbf39-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2005-02-06 11:05 ` Stefan Dösinger
2005-02-07 10:20 ` Helge Hafting
[not found] ` <420740F1.5050609-CND4fxrytsY@public.gmane.org>
2005-02-07 14:22 ` Pavel Machek
2005-02-05 15:55 ` Jon Smirl
2005-02-05 9:37 ` Pavel Machek
[not found] ` <20050205093740.GD1158-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-05 9:49 ` Nigel Cunningham
2005-02-05 15:49 ` Jon Smirl
2005-02-04 22:09 ` James Simmons
[not found] ` <Pine.LNX.4.56.0502042206090.26459-nGpKsS7K33UUkNsaar8edxWb9i9o6OzJ@public.gmane.org>
2005-02-05 1:07 ` Carl-Daniel Hailfinger
2005-02-05 1:14 ` Carl-Daniel Hailfinger
2005-02-04 14:40 ` [RFC] Reliable video POSTing on resume (was: Re: [ACPI] Samsung P35, S3, black screen (radeon)) Xavier Bestel
2005-02-05 1:10 ` [RFC] Reliable video POSTing on resume Carl-Daniel Hailfinger
2005-02-04 7:48 ` [RFC] Reliable video POSTing on resume (was: Re: Samsung P35, S3, black screen (radeon)) Pavel Machek
[not found] ` <20050204074802.GD1086-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-04 10:26 ` Oliver Neukum
[not found] ` <200502041126.14386.oliver-GvhC2dPhHPQdnm+yROfE0A@public.gmane.org>
2005-02-04 11:32 ` [RFC] Reliable video POSTing on resume Carl-Daniel Hailfinger
[not found] ` <42035D5A.2030703-hi6Y0CQ0nG0@public.gmane.org>
2005-02-04 12:11 ` David Goodenough
2005-02-04 16:15 ` Pavel Machek
2005-02-04 7:43 ` Samsung P35, S3, black screen (radeon) Pavel Machek
[not found] ` <20050204074302.GA1086-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-04 10:19 ` Nigel Cunningham
[not found] ` <1107512396.5727.80.camel-r49W/1Cwd2ff0s6lnCXPXw0QcLn3kwYh@public.gmane.org>
2005-02-04 16:13 ` Pavel Machek
[not found] ` <20050204161358.GA1290-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-04 22:26 ` Nigel Cunningham
[not found] ` <1107555981.4109.3.camel-r49W/1Cwd2ff0s6lnCXPXw0QcLn3kwYh@public.gmane.org>
2005-02-05 9:31 ` Pavel Machek
[not found] ` <20050205093118.GA1158-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-05 9:44 ` Nigel Cunningham
[not found] ` <1107596660.6348.6.camel-r49W/1Cwd2ff0s6lnCXPXw0QcLn3kwYh@public.gmane.org>
2005-02-05 9:45 ` Pavel Machek
[not found] ` <20050205094541.GE1158-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-05 9:51 ` Nigel Cunningham
2005-02-05 9:32 ` Norbert Preining
2005-02-03 22:50 ` Pavel Machek
[not found] ` <20050203225033.GA1110-I/5MKhXcvmPrBKCeMvbIDA@public.gmane.org>
2005-02-04 15:50 ` Stefan Seyfried
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