[Bug 16361] New: KMS not working on Radeon Mobility 3430

[Bug 16361] New: KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361

           Summary: KMS not working on Radeon Mobility 3430
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.34.1
          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: ruslan.st@gmail.com
        Regression: Yes


When upgraded to 2.6.34.1 kernel version KMS stopped working on my HP 6830s
Laptop. During boot immediately after loading RV620 firmware screen shows
garbage and starts to flicker.
With 2.6.33.x versions KMS was working well.
VGA card is: ATI Mobility Radeon 3430

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[Bug 16361] KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361


Alex Deucher <alexdeucher@gmail.com> changed:

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




--- Comment #1 from Alex Deucher <alexdeucher@gmail.com>  2010-07-10 13:59:08 ---
Can you bisect what commit caused the problem?  Also does 2.6.35 work ok?

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[Bug 16361] KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #2 from Ruslan <ruslan.st@gmail.com>  2010-07-11 13:44:21 ---
Currently I have checked this:

2.6.33.6 - works
2.6.34-rc1 - does not work
2.6.35-rc4 - does not work

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[Bug 16361] KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #3 from Ruslan <ruslan.st@gmail.com>  2010-07-11 15:05:08 ---
(In reply to comment #1)
> Can you bisect what commit caused the problem?  Also does 2.6.35 work ok?

Currently I have checked this:

2.6.33.6 - works
2.6.34-rc1 - does not work
2.6.35-rc4 - does not work

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[Bug 16361] KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |maciej.rutecki@gmail.com,
                   |                            |rjw@sisk.pl
             Blocks|                            |15310




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[Bug 16361] KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #4 from Ruslan <ruslan.st@gmail.com>  2010-07-15 07:59:15 ---
I did bisection. Bad commit is:

9f93ed39804a9cfe10577cfae66059fe6bc6e3a5

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[Bug 16361] KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361


Rafał Miłecki <zajec5@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |zajec5@gmail.com




--- Comment #5 from Rafał Miłecki <zajec5@gmail.com>  2010-07-15 09:17:11 ---
commit 9f93ed39804a9cfe10577cfae66059fe6bc6e3a5
Author: Jerome Glisse <jglisse@redhat.com>
Date:   Thu Jan 28 18:22:31 2010 +0100

    drm/radeon/kms: bogus cs recorder utilities

    This add an utilities function radeon_ib_bogus_add which will
    save an ib into a list of ib which can then be dumped using
    debugfs. Once dumped the ib is removed from the list. This
    should allow to save & capute ib for further debugging.

    Signed-off-by: Jerome Glisse <jglisse@redhat.com>
    Signed-off-by: Dave Airlie <airlied@redhat.com>

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #6 from Rafael J. Wysocki <rjw@sisk.pl>  2010-07-15 11:33:33 ---
First-Bad-Commit : 9f93ed39804a9cfe10577cfae66059fe6bc6e3a5

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[Bug 16361] KMS not working on Radeon Mobility 3430

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=16361


Jérôme Glisse <glisse@freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |glisse@freedesktop.org




--- Comment #7 from Jérôme Glisse <glisse@freedesktop.org>  2010-07-15 13:33:11 ---
I would find very hard to believe that this patch is the root of your issue,
did you try to reverse it ? (it should reverse cleanly i think).

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #8 from Ruslan <ruslan.st@gmail.com>  2010-07-15 17:07:00 ---
I am sorry, I posted wrong commit number. I re-checked my bisect process and
correct first bad commit is: d594e46ace22afa1621254f6f669e65430048153

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #9 from Alex Deucher <alexdeucher@gmail.com>  2010-07-15 17:47:15 ---
Can you attach your dmesg?

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #10 from Jérôme Glisse <glisse@freedesktop.org>  2010-07-15 17:55:12 ---
Working & non working dmesg would be helpfull thanks

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #11 from Rafael J. Wysocki <rjw@sisk.pl>  2010-07-15 21:11:25 ---
First-Bad-Commit : d594e46ace22afa1621254f6f669e65430048153

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #12 from Ruslan <ruslan.st@gmail.com>  2010-07-15 21:29:54 ---
Created an attachment (id=27125)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=27125)
log of non-working kernel 2.6.34-rc1

this is dmesg log of non-working kernel 2.6.34-rc1

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #13 from Ruslan <ruslan.st@gmail.com>  2010-07-15 21:30:39 ---
Created an attachment (id=27126)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=27126)
log of working kernel 2.6.33.6

dmesg log of working kernel 2.6.33.6

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #14 from Jérôme Glisse <glisse@freedesktop.org>  2010-07-15 21:34:48 ---
It seems your issue is a missing firmware, you likely forgot to add firmware to
your initramfs or to build them in with the kernel. Try fixing that and also
boot with drm.debug=4 option so we can have more debug informations on
modesetting issue.

You might also want to try radeon.new_pll=0 boot option.

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #15 from Ruslan <ruslan.st@gmail.com>  2010-07-15 21:38:24 ---
I attached two logs: for good and bad kernels.
I just noticed that firmware fails to load in both cases. I never checked this
and thought that with 2.6.33.6 it loads successfully.
This means that KMS is not working with my card at all.

But in bad case kernel 2.6.34-rc1 is unable to switch into good video mode
after firmware fail.

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #16 from Ruslan <ruslan.st@gmail.com>  2010-07-15 21:39:10 ---
(In reply to comment #14)
> It seems your issue is a missing firmware, you likely forgot to add firmware to
> your initramfs or to build them in with the kernel. Try fixing that and also
> boot with drm.debug=4 option so we can have more debug informations on
> modesetting issue.
> 
> You might also want to try radeon.new_pll=0 boot option.

ok. I will work on this

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361





--- Comment #17 from Ruslan <ruslan.st@gmail.com>  2010-07-16 11:52:52 ---
I compiled in firmware into kernel and got KMS working on 2.6.34.1. It was
incorrect config. So the problem is that after failed firmware load newer
kernels cannot switch into good framebuffer or just plain VGA mode. But I am
not sure this can be treated as a bug.

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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |INVALID




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[Bug 16361] KMS not working on Radeon Mobility 3430

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https://bugzilla.kernel.org/show_bug.cgi?id=16361


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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED




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