[Bug 16180] New: radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[Bug 16180] New: radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16180

           Summary: radeon regression with 2.6.35-rc2-00001-g386f40c:
                    black screen after resume
           Product: Drivers
           Version: 2.5
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: cedric@belbone.be
        Regression: Yes


With the aforementioned kernel version, after a resume the screen stays black.
Everything seems responding (wifi led blinking, reboot, ...).

After reading the logs between this kernel and 2.6.35-rc1-00194-gaef4b9a (known
good), i think the problem is with this patch

drm/radeon/kms: make sure display hw is disabled when suspending

After I did apply the attached patch, the resume seems OK.
Don't know if it's the good solution...

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[Bug 16180] radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16180





--- Comment #1 from cedric <cedric@belbone.be>  2010-06-11 11:03:12 ---
Created an attachment (id=26725)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26725)
patch that put dpms on

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[Bug 16180] radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16180


Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com




--- Comment #2 from Alex Deucher <alexdeucher@gmail.com>  2010-06-11 16:06:18 ---
Patch looks good.  Can you add your Signed-Off-By?

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[Bug 16180] radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16180





--- Comment #3 from cedric <cedric@belbone.be>  2010-06-11 18:24:18 ---
Created an attachment (id=26733)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=26733)
Patch with a description and s-o-b

Is this ok like this, I'm new at this thing (I'm just a poor tester/reporter
;-)

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[Bug 16180] radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16180





--- Comment #4 from Alex Deucher <alexdeucher@gmail.com>  2010-06-11 18:41:22 ---
Thanks.  I've sent the patch to Dave.

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[Bug 16180] radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16180


Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |rjw@sisk.pl
     Kernel Version|                            |2.6.35-rc
             Blocks|                            |16055, 7216
         Resolution|                            |PATCH_ALREADY_AVAILABLE




--- Comment #5 from Rafael J. Wysocki <rjw@sisk.pl>  2010-06-14 20:02:01 ---
Handled-By : Cedric Godin <cedric.godin@skynet.be>
Patch : https://bugzilla.kernel.org/attachment.cgi?id=26733

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[Bug 16180] radeon regression with 2.6.35-rc2-00001-g386f40c: black screen after resume

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16180


Rafael J. Wysocki <rjw@sisk.pl> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED
         Resolution|PATCH_ALREADY_AVAILABLE     |CODE_FIX




--- Comment #6 from Rafael J. Wysocki <rjw@sisk.pl>  2010-07-08 22:47:58 ---
Fixed by
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=09bdf591f4724c7d0328d4d7b8808492addb5a28

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