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* [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280
@ 2010-02-04 18:13 bugzilla-daemon
  2010-02-04 18:14 ` [Bug 26430] " bugzilla-daemon
                   ` (21 more replies)
  0 siblings, 22 replies; 23+ messages in thread
From: bugzilla-daemon @ 2010-02-04 18:13 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430

           Summary: [KMS] Hw i2c patch doesn't work fully on rv280
           Product: DRI
           Version: XOrg CVS
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: randrik@mail.ru


Using patches from 

http://people.freedesktop.org/~agd5f/

0001-drm-radeon-kms-add-radeon-i2c-algo.patch
0002-drm-radeon-kms-add-support-for-hw-i2c-on-r1xx-r5xx.patch   

on top of mainline kernel (2.6.33-rc6-git2, one with locally reverted idr
commit)

i get strange resolution in X, probably related to

[drm:r100_hw_i2c_xfer], i2c write error 0x04800302
[drm:edid_is_valid] *ERROR* Raw EDID:
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................
<3>00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff 00 ff  ................


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
@ 2010-02-04 18:14 ` bugzilla-daemon
  2010-02-04 18:16 ` bugzilla-daemon
                   ` (20 subsequent siblings)
  21 siblings, 0 replies; 23+ messages in thread
From: bugzilla-daemon @ 2010-02-04 18:14 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #1 from Andrew Randrianasulu <randrik@mail.ru>  2010-02-04 10:14:51 PST ---
Created an attachment (id=33075)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33075)
dmesg

sorry guys, playing "add bug fast, until machine freeze over (under) you" 


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
  2010-02-04 18:14 ` [Bug 26430] " bugzilla-daemon
@ 2010-02-04 18:16 ` bugzilla-daemon
  2010-02-04 18:21 ` bugzilla-daemon
                   ` (19 subsequent siblings)
  21 siblings, 0 replies; 23+ messages in thread
From: bugzilla-daemon @ 2010-02-04 18:16 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430


Andrew Randrianasulu <randrik@mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33075|0                           |1
        is obsolete|                            |




--- Comment #2 from Andrew Randrianasulu <randrik@mail.ru>  2010-02-04 10:16:17 PST ---
Created an attachment (id=33076)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33076)
dmesg

wrong log


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
  2010-02-04 18:14 ` [Bug 26430] " bugzilla-daemon
  2010-02-04 18:16 ` bugzilla-daemon
@ 2010-02-04 18:21 ` bugzilla-daemon
  2010-02-04 18:43 ` bugzilla-daemon
                   ` (18 subsequent siblings)
  21 siblings, 0 replies; 23+ messages in thread
From: bugzilla-daemon @ 2010-02-04 18:21 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #3 from Andrew Randrianasulu <randrik@mail.ru>  2010-02-04 10:21:14 PST ---
For this experiment I used mainline kernel

commit e9e70bc14ea5974e21f5baecf95a123844c412b9
Merge: c031d52 58424a4
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date:   Wed Feb 3 16:08:50 2010 -0800

    Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze

with one commit revered:

"idr: fix a critical misallocation bug"

but it isn't stablest kernel in my life .... 


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (2 preceding siblings ...)
  2010-02-04 18:21 ` bugzilla-daemon
@ 2010-02-04 18:43 ` bugzilla-daemon
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                   ` (17 subsequent siblings)
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From: bugzilla-daemon @ 2010-02-04 18:43 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430


Andrew Randrianasulu <randrik@mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         OS/Version|All                         |Linux (All)
           Platform|Other                       |x86 (IA32)




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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (3 preceding siblings ...)
  2010-02-04 18:43 ` bugzilla-daemon
@ 2010-02-16 10:02 ` bugzilla-daemon
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From: bugzilla-daemon @ 2010-02-16 10:02 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #4 from Michel Dänzer <michel@daenzer.net>  2010-02-16 02:02:18 PST ---
I had similar problems with Alex's initial HW I2C changes, but it's fixed for
me with current drm-radeon-testing. Can you try that?


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^ permalink raw reply	[flat|nested] 23+ messages in thread

* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (4 preceding siblings ...)
  2010-02-16 10:02 ` bugzilla-daemon
@ 2010-02-16 18:27 ` bugzilla-daemon
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From: bugzilla-daemon @ 2010-02-16 18:27 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #5 from Andrew Randrianasulu <randrik@mail.ru>  2010-02-16 10:27:50 PST ---
(In reply to comment #4)
> I had similar problems with Alex's initial HW I2C changes, but it's fixed for
> me with current drm-radeon-testing. Can you try that?
> 

No problems still here with drm-radeon-testing up to 

commit 6cb8e1f71c407930f0f07feceeea1da73881038b
Author: Jerome Glisse <jglisse@redhat.com>
Date:   Mon Feb 15 21:36:33 2010 +0100

    drm/radeon/kms: fix bo's fence association
----

i'll attach  dmesg


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (5 preceding siblings ...)
  2010-02-16 18:27 ` bugzilla-daemon
@ 2010-02-16 18:30 ` bugzilla-daemon
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From: bugzilla-daemon @ 2010-02-16 18:30 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430


Andrew Randrianasulu <randrik@mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33076|0                           |1
        is obsolete|                            |




--- Comment #6 from Andrew Randrianasulu <randrik@mail.ru>  2010-02-16 10:30:18 PST ---
Created an attachment (id=33339)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33339)
dmesg

Radeon module loaded manually, right after drm module loaded with debug=15. Log
captured before X start.


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (6 preceding siblings ...)
  2010-02-16 18:30 ` bugzilla-daemon
@ 2010-03-11 14:02 ` bugzilla-daemon
  2010-03-11 18:33 ` bugzilla-daemon
                   ` (13 subsequent siblings)
  21 siblings, 0 replies; 23+ messages in thread
From: bugzilla-daemon @ 2010-03-11 14:02 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430


Andrew Randrianasulu <randrik@mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33339|0                           |1
        is obsolete|                            |
  Attachment #33498|0                           |1
        is obsolete|                            |




--- Comment #9 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-11 06:02:13 PST ---
Created an attachment (id=33953)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33953)
dmesg from 2.6.34-rc1-005

This is using 2.6.34-rc1 mainline kernel + patches from
http://article.gmane.org/gmane.comp.video.dri.devel/44144 


0001-i2c-algo-bit-Add-pre-and-post-xfer-hooks.patch ,
0002-drm-radeon-kms-use-new-pre-post_xfer-i2c-bit-algo-h.patch


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (7 preceding siblings ...)
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From: bugzilla-daemon @ 2010-03-11 18:33 UTC (permalink / raw)
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #10 from Alex Deucher <agd5f@yahoo.com>  2010-03-11 10:33:23 PST ---
Created an attachment (id=33961)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33961)
possible fix

Does this patch help?


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (8 preceding siblings ...)
  2010-03-11 18:33 ` bugzilla-daemon
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #11 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-11 18:52:38 PST ---
(In reply to comment #10)
> Created an attachment (id=33961)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33961) [details]
> possible fix
> 
> Does this patch help?
> 

No, same errors in dmesg and wrong resolution in X afterward.


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (9 preceding siblings ...)
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #12 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-11 18:54:04 PST ---
Created an attachment (id=33973)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=33973)
dmesg

Dmesg from  2.6.34-rc1 + i2c patches + possible fix


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #13 from Alex Deucher <agd5f@yahoo.com>  2010-03-12 10:01:04 PST ---
Created an attachment (id=34005)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34005)
fix i2c prescale calc

This patch should hopefully do the trick.  Can you try it with and without the
previous patch from this bug?


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #14 from Alex Deucher <agd5f@yahoo.com>  2010-03-12 10:02:01 PST ---
You might also try setting i2c_clock to 50 if you are still having problems.


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #15 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-12 22:24:20 PST ---
(In reply to comment #13)
> Created an attachment (id=34005)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34005) [details]
> fix i2c prescale calc
> 
> This patch should hopefully do the trick.  Can you try it with and without the
> previous patch from this bug?
> 

Tried with and without previous patch, with i2c_clock = 60 and i2c_clock = 50
(and also 40). No good results, slightly different errors about EDID still
around.


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (13 preceding siblings ...)
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  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430


Andrew Randrianasulu <randrik@mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #33953|0                           |1
        is obsolete|                            |
  Attachment #33973|0                           |1
        is obsolete|                            |




--- Comment #16 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-12 22:26:01 PST ---
Created an attachment (id=34014)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34014)
last two attempt - 60, before - 50


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (14 preceding siblings ...)
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                   ` (5 subsequent siblings)
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http://bugs.freedesktop.org/show_bug.cgi?id=26430


Andrew Randrianasulu <randrik@mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #34014|application/octet-stream    |text/plain
          mime type|                            |




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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (15 preceding siblings ...)
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #17 from Alex Deucher <agd5f@yahoo.com>  2010-03-14 08:33:47 PST ---
Can you try setting m to the same thing as n?  E.g.,
change:
m = loop - 2;
to:
m = loop - 1;

Also try i2c_clock values from 10 to 100;


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #18 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-14 15:04:25 PST ---
(In reply to comment #17)
> Can you try setting m to the same thing as n?  E.g.,
> change:
> m = loop - 2;
> to:
> m = loop - 1;
> 
> Also try i2c_clock values from 10 to 100;
> 

No luck ... (tried 10, 20, 27, 30, 33, 40, 50, 60, 70, 80, 90 and 100, with m =
loop -1 and m=loop-2)

Unfortunately, just reloading radeon module produces different results on each 
load.


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
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From: bugzilla-daemon @ 2010-03-14 22:05 UTC (permalink / raw)
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http://bugs.freedesktop.org/show_bug.cgi?id=26430


Andrew Randrianasulu <randrik@mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #34014|0                           |1
        is obsolete|                            |




--- Comment #19 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-14 15:05:32 PST ---
Created an attachment (id=34042)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34042)
random edid on few module load/unloads


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
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From: bugzilla-daemon @ 2010-03-16 18:58 UTC (permalink / raw)
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http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #20 from Alex Deucher <agd5f@yahoo.com>  2010-03-16 11:58:17 PST ---
Created an attachment (id=34124)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34124)
use default sclk

Perhaps there's a problem reading back the sclk on your system...  Does hard
coding the sclk to the default value help?  Make sure you disable the dynpm
stuff (dynpm=0).


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
  2010-02-04 18:13 [Bug 26430] New: [KMS] Hw i2c patch doesn't work fully on rv280 bugzilla-daemon
                   ` (19 preceding siblings ...)
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@ 2010-03-17  0:44 ` bugzilla-daemon
  2019-11-19  8:10 ` bugzilla-daemon
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From: bugzilla-daemon @ 2010-03-17  0:44 UTC (permalink / raw)
  To: dri-devel

http://bugs.freedesktop.org/show_bug.cgi?id=26430





--- Comment #21 from Andrew Randrianasulu <randrik@mail.ru>  2010-03-16 17:44:19 PST ---
(In reply to comment #20)
> Created an attachment (id=34124)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34124) [details]
> use default sclk
> 
> Perhaps there's a problem reading back the sclk on your system...  Does hard
> coding the sclk to the default value help?  Make sure you disable the dynpm
> stuff (dynpm=0).
> 

No, original problem still here (I reverted things back to i2c_clock = 60 , m =
loop - 2). I haven't tested  multiple load/unload this time


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* [Bug 26430] [KMS] Hw i2c patch doesn't work fully on rv280
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[-- Attachment #1.1: Type: text/plain, Size: 804 bytes --]

https://bugs.freedesktop.org/show_bug.cgi?id=26430

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #22 from Martin Peres <martin.peres@free.fr> ---
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