* [Bug 41340] vga_switcheroo doesn't work with AMD Radeon HD 6770M
2011-09-29 16:12 [Bug 41340] New: vga_switcheroo doesn't work with AMD Radeon HD 6770M bugzilla-daemon
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From: bugzilla-daemon @ 2011-09-29 16:13 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=41340
--- Comment #1 from mlambda@gmail.com 2011-09-29 09:13:33 PDT ---
Created an attachment (id=51759)
--> (https://bugs.freedesktop.org/attachment.cgi?id=51759)
output of 'dmesg' before switch
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--- Comment #2 from mlambda@gmail.com 2011-09-29 09:14:10 PDT ---
Created an attachment (id=51760)
--> (https://bugs.freedesktop.org/attachment.cgi?id=51760)
Output of 'lspci -vvnn'
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From: bugzilla-daemon @ 2011-09-29 16:15 UTC (permalink / raw)
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--- Comment #3 from mlambda@gmail.com 2011-09-29 09:15:02 PDT ---
Created an attachment (id=51761)
--> (https://bugs.freedesktop.org/attachment.cgi?id=51761)
/var/log/syslog
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--- Comment #4 from mlambda@gmail.com 2011-09-29 09:15:44 PDT ---
Created an attachment (id=51762)
--> (https://bugs.freedesktop.org/attachment.cgi?id=51762)
/var/log/Xorg.0.log
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From: bugzilla-daemon @ 2011-09-29 16:16 UTC (permalink / raw)
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--- Comment #5 from mlambda@gmail.com 2011-09-29 09:16:18 PDT ---
Created an attachment (id=51763)
--> (https://bugs.freedesktop.org/attachment.cgi?id=51763)
/var/log/Xorg.1.log
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From: bugzilla-daemon @ 2011-09-29 16:18 UTC (permalink / raw)
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mlambda@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #51758|application/octet-stream |text/plain
mime type| |
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From: bugzilla-daemon @ 2011-09-29 16:19 UTC (permalink / raw)
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mlambda@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #51759|application/octet-stream |text/plain
mime type| |
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From: bugzilla-daemon @ 2011-09-29 16:21 UTC (permalink / raw)
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mlambda@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #51760|application/octet-stream |text/plain
mime type| |
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From: bugzilla-daemon @ 2011-09-29 16:22 UTC (permalink / raw)
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mlambda@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #51761|application/octet-stream |text/plain
mime type| |
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mlambda@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #51762|application/octet-stream |text/plain
mime type| |
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mlambda@gmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #51763|application/octet-stream |text/plain
mime type| |
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--- Comment #6 from mlambda@gmail.com 2011-09-29 11:09:03 PDT ---
Created an attachment (id=51776)
--> (https://bugs.freedesktop.org/attachment.cgi?id=51776)
/proc/cpuinfo
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From: bugzilla-daemon @ 2011-09-29 18:52 UTC (permalink / raw)
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--- Comment #7 from Alex Deucher <agd5f@yahoo.com> 2011-09-29 11:52:30 PDT ---
You have a mux-less system which means the radeon card is not actually
connected to any physical displays as such there is no way for you to switch to
the radeon card with vgaswitcheroo. In order to support mux-less systems the
xserver needs support for decoupling display and rendering and the drm needs
support for sharing buffers between drivers. This is a large amount of work
and probably won't happen in the short term.
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From: bugzilla-daemon @ 2011-09-29 20:05 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=41340
--- Comment #8 from mlambda@gmail.com 2011-09-29 13:05:42 PDT ---
(In reply to comment #7)
> You have a mux-less system which means the radeon card is not actually
> connected to any physical displays as such there is no way for you to switch to
> the radeon card with vgaswitcheroo. In order to support mux-less systems the
> xserver needs support for decoupling display and rendering and the drm needs
> support for sharing buffers between drivers. This is a large amount of work
> and probably won't happen in the short term.
I have a BIOS Option "Switchable Graphics Mode":
Fixed Mode - Graphics adapter switch is based on AC/DC transition or user
selectable options under OS
Dynamic Mode - Seamlessy switch to internal or external graphics adapter based
on application needs
If I select "Fixed Mode" the BIOS still enables the Intel graphics even on AC
power and vga_switcheroo doesn't work. Does this setting make any difference in
principle?
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From: bugzilla-daemon @ 2011-09-29 20:41 UTC (permalink / raw)
To: dri-devel
https://bugs.freedesktop.org/show_bug.cgi?id=41340
--- Comment #9 from mlambda@gmail.com 2011-09-29 13:41:47 PDT ---
According to
http://linux-hybrid-graphics.blogspot.com/2011/08/bios-update-has-been-released-for-amd.html
vgaswitcheroo should work when using the "Fixed Mode" BIOS setting, but I still
get the same error.
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From: bugzilla-daemon @ 2011-10-05 13:32 UTC (permalink / raw)
To: dri-devel
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Alex Deucher <agd5f@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |DUPLICATE
--- Comment #10 from Alex Deucher <agd5f@yahoo.com> 2011-10-05 06:32:57 PDT ---
*** This bug has been marked as a duplicate of bug 37528 ***
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