Mailinglist Archive: radeonhd (622 mails)
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Re: [radeonhd] EDID works after one suspend/resume-to-ram cycle!
- From: Ruediger Oertel <ro@xxxxxxx>
- Date: Wed, 3 Oct 2007 15:21:08 +0200 (CEST)
- Message-id: <Pine.LNX.4.64.0710031518001.31174@xxxxxxxxxxxxx>
On Wed, 3 Oct 2007, Luca wrote:
> On 10/3/07, Jean Delvare <jdelvare@xxxxxxx> wrote:
> > Le mercredi 3 octobre 2007 13:19, Thomas Meyer a écrit:
> > > > Le mercredi 3 octobre 2007 11:25, Thomas Meyer a écrit :
> > > >> i just resumed my computer from ram and "bäm" the edid information
> > > >> works! after a cold start this doesnt work. Strange isnt it?
> > > >>
> > > >> case a) external monitor after cold boot edid retrieval fails and
> > > >> only works, because of a pre-configured monitor section in
> > > >> xorg.conf file case b) external monitor after resume from ram
> > > >> provides edid and i removed the pre-configured monitor section in
> > > >> xorg.conf file
> > > >
> > > > I think it had been reported once already.
> > >
> > > I guess i missed this on. Was it on the list?
> >
> > Yes, but well hidden:
> > http://lists.opensuse.org/radeonhd/2007-09/msg00067.html
>
> Ah, this one is a Mac; if it's using the EFI to boot (I think it is)
> probably the BIOS on the card is not run; s2ram uses vbetool during
> resume, which may post the card BIOS. So I guess the card is not fully
> initialized (or it's just in an "unexpected" state) when radeonhd
> starts poking at it right after a cold boot.
ah, a good hint.
Actually I'm booting not directly from EFI but via rEFIt and grub
and such should have some legacy BIOS services but playing with
vbetool on a freshly booted machine might reveal something.
--
with kind regards (mit freundlichem Grinsen),
Ruediger Oertel (ro@xxxxxxxxxx,ro@xxxxxxx,bugfinder@xxxxxxxxxxx)
----------------------------------------------------------------------
Linux Fatou 2.6.22.5-31-default #1 SMP 2007/09/21 22:29:00 UTC x86_64
Key fingerprint = 17DC 6553 86A7 384B 53C5 CA5C 3CE4 F2E7 23F2 B417
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
> On 10/3/07, Jean Delvare <jdelvare@xxxxxxx> wrote:
> > Le mercredi 3 octobre 2007 13:19, Thomas Meyer a écrit:
> > > > Le mercredi 3 octobre 2007 11:25, Thomas Meyer a écrit :
> > > >> i just resumed my computer from ram and "bäm" the edid information
> > > >> works! after a cold start this doesnt work. Strange isnt it?
> > > >>
> > > >> case a) external monitor after cold boot edid retrieval fails and
> > > >> only works, because of a pre-configured monitor section in
> > > >> xorg.conf file case b) external monitor after resume from ram
> > > >> provides edid and i removed the pre-configured monitor section in
> > > >> xorg.conf file
> > > >
> > > > I think it had been reported once already.
> > >
> > > I guess i missed this on. Was it on the list?
> >
> > Yes, but well hidden:
> > http://lists.opensuse.org/radeonhd/2007-09/msg00067.html
>
> Ah, this one is a Mac; if it's using the EFI to boot (I think it is)
> probably the BIOS on the card is not run; s2ram uses vbetool during
> resume, which may post the card BIOS. So I guess the card is not fully
> initialized (or it's just in an "unexpected" state) when radeonhd
> starts poking at it right after a cold boot.
ah, a good hint.
Actually I'm booting not directly from EFI but via rEFIt and grub
and such should have some legacy BIOS services but playing with
vbetool on a freshly booted machine might reveal something.
--
with kind regards (mit freundlichem Grinsen),
Ruediger Oertel (ro@xxxxxxxxxx,ro@xxxxxxx,bugfinder@xxxxxxxxxxx)
----------------------------------------------------------------------
Linux Fatou 2.6.22.5-31-default #1 SMP 2007/09/21 22:29:00 UTC x86_64
Key fingerprint = 17DC 6553 86A7 384B 53C5 CA5C 3CE4 F2E7 23F2 B417
SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nürnberg)
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