* [Bug 25824] KMS, Dualhead: Strange bigger console
[not found] ` <bug-25824-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
@ 2009-12-30 2:20 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-12-30 8:09 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-12-30 2:20 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=25824
Ben Skeggs <skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |NOTABUG
--- Comment #1 from Ben Skeggs <skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2009-12-29 18:20:21 PST ---
This is the expected behaviour. fbcon was never designed for multiple
displays, so this is the best that can be done at this time.
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 25824] KMS, Dualhead: Strange bigger console
[not found] ` <bug-25824-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2009-12-30 2:20 ` [Bug 25824] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-12-30 8:09 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-12-30 10:17 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-12-30 8:09 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=25824
--- Comment #2 from Achim Schaefer <achim_schaefer-Mmb7MZpHnFY@public.gmane.org> 2009-12-30 00:09:10 PST ---
I know handling of this situation is not very easy.
But the current situation is
Would it be possible to use in both screens the lower resolution, so in my case
in both 1024x768? (In general the highest res all active screens support)
At least this would avoid some trouble.
Switching to X would than cause a mode change on the bigger screen, but I think
that is less problematic compared to the usage of a small part of a bigger
screen.
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 25824] KMS, Dualhead: Strange bigger console
[not found] ` <bug-25824-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2009-12-30 2:20 ` [Bug 25824] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-12-30 8:09 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-12-30 10:17 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-12-30 10:26 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-12-30 10:17 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=25824
--- Comment #3 from Pekka Paalanen <pq-X3B1VOXEql0@public.gmane.org> 2009-12-30 02:17:05 PST ---
Achim, this is more of a user preference to choose one over the other:
1. use the best mode on each output
2. use the largest common mode on all outputs
Case 1 is what X does, and one goal of KMS is flickerless boot, so it fits and
is the default policy in general.
Case 2 you should be able to achieve with the "video" kernel command line
parameter, forcing the small mode on the big monitor. I hope it is documented
in the kernel Documentation, since I do not recall the correct syntax.
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 25824] KMS, Dualhead: Strange bigger console
[not found] ` <bug-25824-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (2 preceding siblings ...)
2009-12-30 10:17 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-12-30 10:26 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2009-12-30 12:15 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-01-08 22:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-12-30 10:26 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=25824
--- Comment #4 from Achim Schaefer <achim_schaefer-Mmb7MZpHnFY@public.gmane.org> 2009-12-30 02:26:29 PST ---
(In reply to comment #3)
> Case 2 you should be able to achieve with the "video" kernel command line
> parameter, forcing the small mode on the big monitor. I hope it is documented
> in the kernel Documentation, since I do not recall the correct syntax.
That depends if nouveau driver uses modedb or not.
from Documentation/fb/modedb.txt
Drivers that support modedb boot options
123 Boot Name Cards Supported
124
125 amifb - Amiga chipset frame buffer
126 aty128fb - ATI Rage128 / Pro frame buffer
127 atyfb - ATI Mach64 frame buffer
128 pm2fb - Permedia 2/2V frame buffer
129 pm3fb - Permedia 3 frame buffer
130 sstfb - Voodoo 1/2 (SST1) chipset frame buffer
131 tdfxfb - 3D Fx frame buffer
132 tridentfb - Trident (Cyber)blade chipset frame buffer
133 vt8623fb - VIA 8623 frame buffer
But here you can not find nouveau.
So either a new doc gets created with the options to handle this, or this doc
gets updated including nouveau.
I hope with staging drivers you are allowed to change the existing docs-)
=> I assume I'll close this bug, and open a documentation bug?
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 25824] KMS, Dualhead: Strange bigger console
[not found] ` <bug-25824-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (3 preceding siblings ...)
2009-12-30 10:26 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2009-12-30 12:15 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2010-01-08 22:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2009-12-30 12:15 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=25824
--- Comment #5 from Pekka Paalanen <pq-X3B1VOXEql0@public.gmane.org> 2009-12-30 04:15:52 PST ---
(In reply to comment #4)
> (In reply to comment #3)
> > Case 2 you should be able to achieve with the "video" kernel command line
> > parameter, forcing the small mode on the big monitor. I hope it is documented
> > in the kernel Documentation, since I do not recall the correct syntax.
> That depends if nouveau driver uses modedb or not.
>
> from Documentation/fb/modedb.txt
That is the legacy fb option "video". I was talking about the drmfb "video"
variant, but I cannot find the documentation. The only doc I know of is:
http://cgit.freedesktop.org/nouveau/linux-2.6/tree/drivers/gpu/drm/drm_fb_helper.c#n68
The syntax is something like:
video=<output>:<mode>
Where output is as reported by the kernel DRM/KMS.
A made-up example: video=DVI-I-1:1024x768
This option is for all DRM/KMS fb drivers AFAIK: intel, radeon and nouveau.
It's a bit odd that it isn't properly documented yet.
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^ permalink raw reply [flat|nested] 7+ messages in thread* [Bug 25824] KMS, Dualhead: Strange bigger console
[not found] ` <bug-25824-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
` (4 preceding siblings ...)
2009-12-30 12:15 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
@ 2010-01-08 22:07 ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
5 siblings, 0 replies; 7+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2010-01-08 22:07 UTC (permalink / raw)
To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW
http://bugs.freedesktop.org/show_bug.cgi?id=25824
Achim Schaefer <achim_schaefer-Mmb7MZpHnFY@public.gmane.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |achim_schaefer-Mmb7MZpHnFY@public.gmane.org
Status|RESOLVED |CLOSED
--- Comment #6 from Achim Schaefer <achim_schaefer-Mmb7MZpHnFY@public.gmane.org> 2010-01-08 14:07:20 PST ---
the specified parameters work as expected.
Thanks
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^ permalink raw reply [flat|nested] 7+ messages in thread