* Re: [giri@lmc.cs.sunysb.edu: Resume from suspend-to-ram] [not found] ` <20040220235512.GA27779-sTXFmx6KbOnUXq0IF5SVAZ4oGUkBHcCu@public.gmane.org> @ 2004-02-20 23:57 ` Benjamin Herrenschmidt [not found] ` <1077321457.9623.27.camel-ZSGxbZoyBwc@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Benjamin Herrenschmidt @ 2004-02-20 23:57 UTC (permalink / raw) To: Kronos; +Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f, Giridhar Pemmasani > Since new radeonfb has suspend/resume driver model, I thought I might > give it a try, but still the laptop would hang during resume. With a > bit of trial and error (and some guess work), I got the laptop to > resume successfully with the following patch. > .../.../ That's interesting. You are basically preventing fbdev from resuming at all. Well, partially, since you still have the radeonfb_set_par, which is supposed to set back the mode. So X manage to restore the chip in a way that radeonfb doesn't. Can you send me a dump of XFree log after such a successful suspend & resume phase ? Ben. ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <1077321457.9623.27.camel-ZSGxbZoyBwc@public.gmane.org>]
* Re: [giri@lmc.cs.sunysb.edu: Resume from suspend-to-ram] [not found] ` <1077321457.9623.27.camel-ZSGxbZoyBwc@public.gmane.org> @ 2004-02-21 4:16 ` Giridhar Pemmasani [not found] ` <20040221041647.2F8307831D-Yo/1PYb2HdawRS80dfYGFoIJIQD0bWaD@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Giridhar Pemmasani @ 2004-02-21 4:16 UTC (permalink / raw) To: Benjamin Herrenschmidt Cc: Kronos, acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f Actually there was another patch that I missed. I also had to patch radeon driver in XFree86 to softboot/POST. This patch is from http://mrohne.home.cern.ch/mrohne/P2120/P2120_Linux_S3.html (actually there is no patch there, but I didn't want to post his email address here, but if you need to contact him, go to the top of this link). --- xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c.orig 2003-02-25 04:50:15.000000000 +0100 +++ xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_driver.c 2003-03-17 08:25:47.000000000 +0100 @@ -339,6 +339,7 @@ "xf86InitInt10", "xf86FreeInt10", "xf86int10Addr", + "xf86ExecX86int10", NULL }; @@ -5736,6 +5737,15 @@ RADEONTRACE(("RADEONEnterVT\n")); + { /* Softboot V_BIOS */ + xf86Int10InfoPtr pInt = xf86InitInt10 (info->pEnt->index); + if (pInt) { + pInt->num = 0xe6; + xf86ExecX86int10 (pInt); + xf86FreeInt10 (pInt); + } + } + if (info->FBDev) { unsigned char *RADEONMMIO = info->MMIO; if (!fbdevHWEnterVT(scrnIndex,flags)) return FALSE; The XFree86 log after suspend/resume: (WW) Open APM failed (/dev/apm_bios) (No such device) (II) RADEON(0): Primary V_BIOS segment is: 0xc000 (II) RADEON(0): [RESUME] Attempting to re-init Radeon hardware. (II) RADEON(0): [agp] Mode 0x1f000207 [AGP 0x8086/0x3340; Card 0x1002/0x4c66] (II) USB Mouse: ps2EnableDataReporting: succeeded (II) TouchPad: ps2EnableDataReporting: succeeded I have checked that without softboot/POST above, the screen doesn't get initialized properly (I see initially vertical lines in all colors, then everything slowly turns to white). -- Giri ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <20040221041647.2F8307831D-Yo/1PYb2HdawRS80dfYGFoIJIQD0bWaD@public.gmane.org>]
* Re: [giri@lmc.cs.sunysb.edu: Resume from suspend-to-ram] [not found] ` <20040221041647.2F8307831D-Yo/1PYb2HdawRS80dfYGFoIJIQD0bWaD@public.gmane.org> @ 2004-02-21 4:13 ` Benjamin Herrenschmidt [not found] ` <1077336792.17072.30.camel-ZSGxbZoyBwc@public.gmane.org> 0 siblings, 1 reply; 5+ messages in thread From: Benjamin Herrenschmidt @ 2004-02-21 4:13 UTC (permalink / raw) To: Giridhar Pemmasani; +Cc: Kronos, acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f On Sat, 2004-02-21 at 15:16, Giridhar Pemmasani wrote: > Actually there was another patch that I missed. > > I also had to patch radeon driver in XFree86 to softboot/POST. This > patch is from > http://mrohne.home.cern.ch/mrohne/P2120/P2120_Linux_S3.html (actually > there is no patch there, but I didn't want to post his email address > here, but if you need to contact him, go to the top of this link). Ahhhh ... that explains it.. yes, we need to re-POST the card. I'm afraid in the kernel, that will be a problem, unless we can do that from real mode some way... my knowledge of x86 isn't good enough. One thing is sure, we can't rely on the PCI ROM of the card having a valid useable BIOS image, it's usually hidden somewhere with the main BIOS, so either we use the RAM image at c0000 or we ask the main BIOS to re-post the card. Ben. ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click ^ permalink raw reply [flat|nested] 5+ messages in thread
[parent not found: <1077336792.17072.30.camel-ZSGxbZoyBwc@public.gmane.org>]
* Re: [giri@lmc.cs.sunysb.edu: Resume from suspend-to-ram] [not found] ` <1077336792.17072.30.camel-ZSGxbZoyBwc@public.gmane.org> @ 2004-02-21 17:40 ` Luca 2004-02-22 0:49 ` Giridhar Pemmasani 0 siblings, 1 reply; 5+ messages in thread From: Luca @ 2004-02-21 17:40 UTC (permalink / raw) To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f; +Cc: Benjamin Herrenschmidt Il Sat, Feb 21, 2004 at 03:13:12PM +1100, Benjamin Herrenschmidt ha scritto: > On Sat, 2004-02-21 at 15:16, Giridhar Pemmasani wrote: > > Actually there was another patch that I missed. > > > > I also had to patch radeon driver in XFree86 to softboot/POST. This > > patch is from > > http://mrohne.home.cern.ch/mrohne/P2120/P2120_Linux_S3.html (actually > > there is no patch there, but I didn't want to post his email address > > here, but if you need to contact him, go to the top of this link). > > Ahhhh ... that explains it.. yes, we need to re-POST the card. > > I'm afraid in the kernel, that will be a problem, unless we can > do that from real mode some way... my knowledge of x86 isn't good > enough. One thing is sure, we can't rely on the PCI ROM of the > card having a valid useable BIOS image, it's usually hidden > somewhere with the main BIOS, so either we use the RAM image > at c0000 or we ask the main BIOS to re-post the card. Giridhar look into your BIOS for something like "Run VGABIOS if S3 Resume" (I have it under "Power Management") and set it to "Yes". With this option the firmware will re-init the card BIOS before returning control to Linux. If you don't see it then it's a big problem... we can't go in real mode once Linux is running. It may be possible to hack up something in wakeup.S, before restoring processor state. Without this option I have a hard lockup (no ping, no sysrq, nothing) on resume. With it framebuffer is restored fine. >From syslog: PM: Preparing system for suspend Stopping tasks: =============| [...] radeonfb: suspending to state: 2... PM: Entering state. hwsleep-0265 [17] acpi_enter_sleep_state: Entering sleep state [S3] PM: Finishing up. hStart = 1048, hEnd = 1184, hTotal = 1344 vStart = 771, vEnd = 777, vTotal = 806 h_total_disp = 0x7f00a7 hsync_strt_wid = 0x910422 v_total_disp = 0x2ff0325 vsync_strt_wid = 0x860302 pixclock = 15384 freq = 6500 post div = 0x2 fb_div = 0x74 ppll_div_3 = 0x20074 lvds_gen_cntl: 08000008 radeonfb: resumed ! Very nice :) Luca -- Home: http://kronoz.cjb.net Windows NT crashed. I'm the Blue Screen of Death. No one hears your screams. ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click ^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [giri@lmc.cs.sunysb.edu: Resume from suspend-to-ram] 2004-02-21 17:40 ` Luca @ 2004-02-22 0:49 ` Giridhar Pemmasani 0 siblings, 0 replies; 5+ messages in thread From: Giridhar Pemmasani @ 2004-02-22 0:49 UTC (permalink / raw) To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f Luca wrote: > Giridhar look into your BIOS for something like "Run VGABIOS if S3 > Resume" (I have it under "Power Management") and set it to "Yes". With > this option the firmware will re-init the card BIOS before returning > control to Linux. If you don't see it then it's a big problem... we Unfortunately there is no such option in BIOS for Dell Latitude D600. > can't go in real mode once Linux is running. It may be possible to hack > up something in wakeup.S, before restoring processor state. I am not sure exactly what is needed; X is able to POST (using int10?). I haven't looked at X code, but is that using real mode? Giri. ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id=3438&op=click ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2004-02-22 0:49 UTC | newest]
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[not found] ` <20040220235512.GA27779-sTXFmx6KbOnUXq0IF5SVAZ4oGUkBHcCu@public.gmane.org>
2004-02-20 23:57 ` [giri@lmc.cs.sunysb.edu: Resume from suspend-to-ram] Benjamin Herrenschmidt
[not found] ` <1077321457.9623.27.camel-ZSGxbZoyBwc@public.gmane.org>
2004-02-21 4:16 ` Giridhar Pemmasani
[not found] ` <20040221041647.2F8307831D-Yo/1PYb2HdawRS80dfYGFoIJIQD0bWaD@public.gmane.org>
2004-02-21 4:13 ` Benjamin Herrenschmidt
[not found] ` <1077336792.17072.30.camel-ZSGxbZoyBwc@public.gmane.org>
2004-02-21 17:40 ` Luca
2004-02-22 0:49 ` Giridhar Pemmasani
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