https://bugzilla.kernel.org/show_bug.cgi?id=23752
Summary: drm/radeon/kms -- hang during boot unless using
"nomodeset"
Product: Drivers
Version: 2.5
Kernel Version: 2.6.37-rc3
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Video(DRI - non Intel)
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Regression: Yes
Created an attachment (id=38212)
--> (https://bugzilla.kernel.org/attachment.cgi?id=38212)
lspci-info.txt
Boot hangs very early unless nomodeset is used. No disk access is observed and
box never becomes available on the network.
The box is an HP 8530p laptop. Normal functionality is restored by reverting
this patch:
commit bdd91b2b571c80dacfca88667d935f9907e62931
Author: Tyson Whitehead <[email protected]>
Date: Mon Nov 8 16:08:30 2010 +0000
drm/radeon/kms: fix bugs in ddc and cd path router code
This is a follow on to:
2b5b1d7da9583484b3a9e7e375a90ca0e8ca07c2
(drm/radeon/kms: add support for clock/data path routers)
That patch completed mux support for ddc and cd line routing
between connectors. This patch fixes an indexing typo that was
resulting in the atom bios router objects not always being walked,
ensures the validity entries for the reused router structure are
reset for every connector object walked, and corrects the masking
operations used to update the mux control bits.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=31339
Signed-off-by: Tyson Whitehead <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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