Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-09 Thread Bodo Eggert
On Tue, 9 Aug 2005, Bodo Eggert wrote: > On Mon, 8 Aug 2005, Benjamin Herrenschmidt wrote: > > On Mon, 2005-08-08 at 02:06 +0200, Bodo Eggert wrote: > > > The wrong values are constant across reboots (see my first mail), and I > > > have a CRT. > > > > > > Can you tell me where the timing values

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-09 Thread Bodo Eggert
On Mon, 8 Aug 2005, Benjamin Herrenschmidt wrote: > On Mon, 2005-08-08 at 02:06 +0200, Bodo Eggert wrote: > > The wrong values are constant across reboots (see my first mail), and I > > have a CRT. > > > > Can you tell me where the timing values are read? > > radeon_write_mode() programs the mo

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-08 Thread Benjamin Herrenschmidt
On Mon, 2005-08-08 at 02:06 +0200, Bodo Eggert wrote: > The wrong values are constant across reboots (see my first mail), and I > have a CRT. > > Can you tell me where the timing values are read? radeon_write_mode() programs the mode. The monitor timing infos are read by the various bits of cod

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Kyle Moffett
On Aug 7, 2005, at 21:13:54, Kyle Moffett wrote: On Aug 7, 2005, at 12:13:38, Benjamin Herrenschmidt wrote: _However_ there is an unrelated problem with some panels, including some of the 17": The panel doesn't always "sync" properly. This seem to be related to some subtle timing issue in the

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Kyle Moffett
On Aug 7, 2005, at 12:13:38, Benjamin Herrenschmidt wrote: I've got an LCD, and on mine it looks like every third pixel-line gets shifted about 32-64 pixels to the left, and they move with display refresh. My guess is that something is interrupting radeonfb during a critical time in display s

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Bodo Eggert
On Sun, 7 Aug 2005, Benjamin Herrenschmidt wrote: > On Sun, 2005-08-07 at 19:25 +0200, Bodo Eggert wrote: > > On Sun, 7 Aug 2005, Kyle Moffett wrote: > > > On Aug 7, 2005, at 03:51:07, Benjamin Herrenschmidt wrote: > > > > Ah ! Interesting... I don't see why PREEMPT would affect radeonfb > > > > t

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Benjamin Herrenschmidt
On Sun, 2005-08-07 at 19:25 +0200, Bodo Eggert wrote: > On Sun, 7 Aug 2005, Kyle Moffett wrote: > > On Aug 7, 2005, at 03:51:07, Benjamin Herrenschmidt wrote: > > > > Ah ! Interesting... I don't see why PREEMPT would affect radeonfb > > > though ... Can you try something like wrapper radeon_write_

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Bodo Eggert
On Sun, 7 Aug 2005, Kyle Moffett wrote: > On Aug 7, 2005, at 03:51:07, Benjamin Herrenschmidt wrote: > > Ah ! Interesting... I don't see why PREEMPT would affect radeonfb > > though ... Can you try something like wrapper radeon_write_mode() with > > preempt_disable()/preempt_enable() and tell me i

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Benjamin Herrenschmidt
> I'm having a similar issue with my shiny new 17" Powerbook G4. The > radeon chip works fine with framebuffer in 2.6.12.4 _with_ PREEMPT, > but not in 2.6.13-rc5 _with_ PREEMPT (configs are virtually identical). > I'll try your idea this afternoon when I get the chance. Note that PREEMPT is kno

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Kyle Moffett
On Aug 7, 2005, at 03:51:07, Benjamin Herrenschmidt wrote: On Fri, 2005-08-05 at 19:38 +0200, Bodo Eggert wrote: On Fri, 5 Aug 2005, Benjamin Herrenschmidt wrote: On Fri, 2005-08-05 at 00:03 +0200, Bodo Eggert wrote: My CRT is out of sync after radeonfb from 2.6.13-rc5 is initialized. 2.6.1

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-07 Thread Benjamin Herrenschmidt
On Fri, 2005-08-05 at 19:38 +0200, Bodo Eggert wrote: > On Fri, 5 Aug 2005, Benjamin Herrenschmidt wrote: > > > On Fri, 2005-08-05 at 00:03 +0200, Bodo Eggert wrote: > > > My CRT is out of sync after radeonfb from 2.6.13-rc5 is initialized. > > > 2.6.12 does not show this behaviour. > > > > I'm

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-05 Thread Bodo Eggert
On Fri, 5 Aug 2005, Benjamin Herrenschmidt wrote: > On Fri, 2005-08-05 at 00:03 +0200, Bodo Eggert wrote: > > My CRT is out of sync after radeonfb from 2.6.13-rc5 is initialized. > > 2.6.12 does not show this behaviour. > > I'm out of town at the moment, could you maybe diff radeonfb between > w

Re: Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-04 Thread Benjamin Herrenschmidt
On Fri, 2005-08-05 at 00:03 +0200, Bodo Eggert wrote: > My CRT is out of sync after radeonfb from 2.6.13-rc5 is initialized. > 2.6.12 does not show this behaviour. I'm out of town at the moment, could you maybe diff radeonfb between working & non-working and CC me the diff ? I don't have my work

Regression: radeonfb: No synchronisation on CRT with linux-2.6.13-rc5

2005-08-04 Thread Bodo Eggert
My CRT is out of sync after radeonfb from 2.6.13-rc5 is initialized. 2.6.12 does not show this behaviour. dmesg from both systems, trimmed down: 2.6.13-rc5: PCI: Probing PCI hardware PCI: Probing PCI hardware (bus 00) Boot video device is :01:00.0 PCI: Using IRQ router VIA [1106/0686] at 0

Re: Linux 2.6.13-rc5 - possible acpi regression?

2005-08-03 Thread Jan De Luyck
On Tuesday 02 August 2005 12:50, Rafael J. Wysocki wrote: > Please try to ad the ec_polling parameter to the kernel command line and > retest. That helps a lot. Thanks, it's back to the 'old way'. Jan -- ...Deep Hack Mode -- that mysterious and frightening state of consciousness where Mortal Use

Re: Linux 2.6.13-rc5 - possible acpi regression?

2005-08-02 Thread Rafael J. Wysocki
On Tuesday, 2 of August 2005 08:43, Jan De Luyck wrote: > On Tuesday 02 August 2005 07:07, Linus Torvalds wrote: > > Ok, one more in the series towards final 2.6.13. > > One thing that seems like a regression: doing > > $ cat /proc/acpi/battery/BAT1/info > > causes a two-second pause and then gi

Re: Linux 2.6.13-rc5

2005-08-02 Thread Olaf Hering
On Mon, Aug 01, Linus Torvalds wrote: > Give it a good testing, I'm hoping this can really turn into 2.6.13. aic doesnt work anymore, the poweroff thing should also be fixed in some way. http://marc.theaimsgroup.com/?l=linux-scsi&m=112180348617932&w=2 (google did not find that posting, but it

Re: Linux 2.6.13-rc5 - possible acpi regression?

2005-08-01 Thread Jan De Luyck
On Tuesday 02 August 2005 07:07, Linus Torvalds wrote: > Ok, one more in the series towards final 2.6.13. One thing that seems like a regression: doing $ cat /proc/acpi/battery/BAT1/info causes a two-second pause and then gives me the information, while in 2.6.12.3 that was near-instant. $ dat

Re: Linux 2.6.13-rc5

2005-08-01 Thread Jan De Luyck
On Tuesday 02 August 2005 07:07, Linus Torvalds wrote: > Ok, one more in the series towards final 2.6.13. > > This one is small enough that both shortlog and diffstat fit comfortably: > no big architecture updates or anything like that. Some input, x86-64 and > ppc updates, and various fairly small

Linux 2.6.13-rc5

2005-08-01 Thread Linus Torvalds
Ok, one more in the series towards final 2.6.13. This one is small enough that both shortlog and diffstat fit comfortably: no big architecture updates or anything like that. Some input, x86-64 and ppc updates, and various fairly small fixes in random places. Some reverts back to 2.6.12 behavio