[Bug 93701] New: radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[Bug 93701] New: radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

            Bug ID: 93701
           Summary: radeon: two "empty" pixel lines on left side of
                    screen, rest of screen gets slightly squished
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.0-rc1
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: frederik.hofe@gmail.com
        Regression: No

This happens in the current 4.0-rc1. 3.19 does not show this.

Basicly it looks like my resolution of 1920x1080 gets blitted into 1918,1080
with linear filtering somewhere before it gets on my screen.

When I take a screenshot with gimp, I get a normal 1920x1080 image without the
defect.

I use a Radeon 7870 (Pitcairn) -> HDMI -> Samsung S22A350H

Also I use the padoka PPA for bleeding edge mesa/llvm drivers.

glxinfo|grep OpenGL
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD PITCAIRN
OpenGL core profile version string: 3.3 (Core Profile) Mesa 10.6.0-devel
(padoka PPA)
OpenGL core profile shading language version string: 3.30
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL core profile extensions:
OpenGL version string: 3.0 Mesa 10.6.0-devel (padoka PPA)
OpenGL shading language version string: 1.30
OpenGL context flags: (none)
OpenGL extensions:
OpenGL ES profile version string: OpenGL ES 3.0 Mesa 10.6.0-devel (padoka PPA)
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.00
OpenGL ES profile extensions:

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

Alex Deucher <alexdeucher@gmail.com> changed:

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

--- Comment #1 from Alex Deucher <alexdeucher@gmail.com> ---
Can you bisect?  Does disabling audio fix it?

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #2 from Alex Deucher <alexdeucher@gmail.com> ---
Please attach your xorg log and dmesg output.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #3 from frederik.hofe@gmail.com ---
Created attachment 168061
  --> https://bugzilla.kernel.org/attachment.cgi?id=168061&action=edit
dmesg

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #4 from frederik.hofe@gmail.com ---
Created attachment 168071
  --> https://bugzilla.kernel.org/attachment.cgi?id=168071&action=edit
Xorg.0.log

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #5 from frederik.hofe@gmail.com ---
Booting with radeon.audio=0 removes this phenomena.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #6 from frederik.hofe@gmail.com ---
I bisected it to this change:

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/?id=baa7d8e451f030c049f83f943b9995620d6d6bd3

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

Andy Furniss <adf.lists@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |adf.lists@gmail.com

--- Comment #7 from Andy Furniss <adf.lists@gmail.com> ---
(In reply to Frederik vom Hofe from comment #6)
> I bisected it to this change:
> 
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/patch/
> ?id=baa7d8e451f030c049f83f943b9995620d6d6bd3

FWIW when I hit this issue I could "mend" it without using radeon.audio=0 - all
I had to do was use xrandr to do something that refreshed the display eg. off
then auto.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #8 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Trying this did not fix it for me:
xrandr --output HDMI-0 --off; xrandr --output HDMI-0 --auto

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #9 from Andy Furniss <adf.lists@gmail.com> ---
Oh, OK, my testcase is a bit different from yours in that I bring up HDMI as a
second screen when in X. My symptoms also slightly different in that I get a 2
pix pink line on the left outside display area and 2 pix on right are missing.
Maybe different displays behave differently. 

I bisected to the same commit as you.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #10 from Alex Deucher <alexdeucher@gmail.com> ---
Do the patches here:
https://bugs.freedesktop.org/show_bug.cgi?id=89327
help?

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #11 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
That patchset makes no difference for me.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #12 from Alex Deucher <alexdeucher@gmail.com> ---
Can you try the top 7 patches on this branch?
http://cgit.freedesktop.org/~agd5f/linux/log/?h=audio-fixes

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #13 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
The last patch
(http://cgit.freedesktop.org/~agd5f/linux/patch/?id=71560b1f75e91b0eafdd8a11fb6f4e4c492f534b)
does not work on 4.0-rc1:

patch -p1 < ../patchset-4.0-rc1-hdmi_2/7.patch 
patching file drivers/gpu/drm/radeon/atombios_encoders.c
Hunk #1 succeeded at 1622 (offset -4 lines).
Hunk #2 FAILED at 1721.
Hunk #3 succeeded at 1730 (offset -6 lines).
Hunk #4 FAILED at 2178.
Hunk #5 succeeded at 2196 (offset -9 lines).
2 out of 5 hunks FAILED -- saving rejects to file
drivers/gpu/drm/radeon/atombios_encoders.c.rej

Tried just the first 6 patches, but no difference on the screen.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #14 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Ok I got the git magic working.
But the audio-fixes branch still does not fix the issue for me.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #15 from Alex Deucher <alexdeucher@gmail.com> ---
I've posted an updated audio-fixes branch that may help:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=audio-fixes

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #16 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Tested the patch with v4.0rc6, makes no difference for me.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #17 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Frederik vom Hofe from comment #16)
> Tested the patch with v4.0rc6, makes no difference for me.

Did you test all 3 patches on that branch?

http://cgit.freedesktop.org/~agd5f/linux/commit/?h=audio-fixes&id=40376b60a558434abbeabeec0d39374c15cc33af
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=audio-fixes&id=b12f4be774671735b067f72d569c5b6d6f9ab955
http://cgit.freedesktop.org/~agd5f/linux/commit/?h=audio-fixes&id=e6704b242a1257259a5b3e8742a0411ce7dcfb48

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

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https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #18 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Yes, I merged it via git.

Basicly this is all I have done:
git pull
git checkout v4.0-rc6
git checkout -b v4.0-rc6-hdmi-patch
git remote add agd5f git://people.freedesktop.org/~agd5f/linux
git fetch agd5f
git merge agd5f/audio-fixes

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #19 from Alex Deucher <alexdeucher@gmail.com> ---
Updated patches here:
http://cgit.freedesktop.org/~agd5f/linux/log/?h=audio-fixes

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

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https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #20 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
That fixes it for me.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #21 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Just got a 290 that shows the same phenomena since patch revert.

2d1c18bba15daf89d75ce475ecd2068f483aa12f
Revert "drm/radeon: only mark audio as connected if the monitor supports it
(v3)"
...

Bisected v4.1-rc5 to v4.1-rc6. Sinc v4.2-rc1 still shows the lines.

Also attaching new dmesg and Xorg log, just in case.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #22 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Created attachment 182061
  --> https://bugzilla.kernel.org/attachment.cgi?id=182061&action=edit
dmesg with v4.2-rc1 and 290

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #23 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Created attachment 182071
  --> https://bugzilla.kernel.org/attachment.cgi?id=182071&action=edit
Xorg.0.log with v4.2-rc1 and 290

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #24 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 183471
  --> https://bugzilla.kernel.org/attachment.cgi?id=183471&action=edit
possible fix

Does this patch fix the issue?

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #25 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
With v4.2-rc3+patch I get a black screen when the console resolution changes
the first time. And my screen power led blinks like it gets no hdmi signal.
So even before X starts and the pink lines show up.

alt+ctrl+del does not work. But reisub does.
I have no second PC on hand right now to look at it via ssh. But that can be
arranged if you need to see the dmesg output.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #183471|0                           |1
        is obsolete|                            |

--- Comment #26 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 183491
  --> https://bugzilla.kernel.org/attachment.cgi?id=183491&action=edit
possible fix

Updated patch.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

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--- Comment #27 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Now the same black screen happens when X starts.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

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--- Comment #28 from Alex Deucher <alexdeucher@gmail.com> ---
can you attach the kernel log from the black screen?

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

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--- Comment #29 from Alex Deucher <alexdeucher@gmail.com> ---
dmesg output.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #30 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Created attachment 183511
  --> https://bugzilla.kernel.org/attachment.cgi?id=183511&action=edit
dmesg with v4.2-rc3 + 0001-drm-radeon-rework-audio-detect-v2.patch

dmesg with v4.2-rc3 + 0001-drm-radeon-rework-audio-detect-v2.patch

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #183491|0                           |1
        is obsolete|                            |

--- Comment #31 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 183551
  --> https://bugzilla.kernel.org/attachment.cgi?id=183551&action=edit
possible fix

Updated patch.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #32 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
Created attachment 183561
  --> https://bugzilla.kernel.org/attachment.cgi?id=183561&action=edit
dmesg with v4.2-rc3 + 0001-drm-radeon-rework-audio-detect-v3.patch

looks the same like v2

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

Alex Deucher <alexdeucher@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #183551|0                           |1
        is obsolete|                            |

--- Comment #33 from Alex Deucher <alexdeucher@gmail.com> ---
Created attachment 183571
  --> https://bugzilla.kernel.org/attachment.cgi?id=183571&action=edit
possible fix

Fix stupid typo.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

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--- Comment #34 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
v4 works for me. Boots fine and no pink lines anymore.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

Hans de Goede <jwrdegoede@fedoraproject.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jwrdegoede@fedoraproject.or
                   |                            |g

--- Comment #35 from Hans de Goede <jwrdegoede@fedoraproject.org> ---
Created attachment 183611
  --> https://bugzilla.kernel.org/attachment.cgi?id=183611&action=edit
[PATCH for 4.1] drm/radeon: rework audio detect (v4)

Here is the "possible fix" patch backported to 4.1 (this needed some manual
fixups)

I've started a Fedora kernel scratch build with this patch and asked a couple
of Fedora users who are also having pink line issues to test the patch, see:

https://bugzilla.redhat.com/show_bug.cgi?id=1236337

Note sofar the 4.1 version has only been compile tested!

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #36 from Hans de Goede <jwrdegoede@fedoraproject.org> ---
Hi,

I just got feedback from one of the reporters of:
https://bugzilla.redhat.com/show_bug.cgi?id=1236337

He confirms that (the 4.1 backport) of the suggested fix works.

Regards,

Hans

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #37 from Frederik vom Hofe <frederik.hofe@gmail.com> ---
The patch for 4.1 works for me, too.

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #38 from Hans de Goede <jwrdegoede@fedoraproject.org> ---
Ping, what is the status on this ? With 2 positive test results for the patch
it would be good to get this into 4.1.x ...

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

--- Comment #39 from Alex Deucher <alexdeucher@gmail.com> ---
Already in 4.2:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0ea397e22f9ad0113c1dbdaab14eded050472eb
and 4.1:
http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-4.1.y&id=6f9dbb525abc7b21b76bdee6558b6e706425d1a8

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[Bug 93701] radeon: two "empty" pixel lines on left side of screen, rest of screen gets slightly squished

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=93701

Hans de Goede <jwrdegoede@fedoraproject.org> changed:

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

--- Comment #40 from Hans de Goede <jwrdegoede@fedoraproject.org> ---
(In reply to Alex Deucher from comment #39)
> Already in 4.2:
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
> ?id=d0ea397e22f9ad0113c1dbdaab14eded050472eb
> and 4.1:
> http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/
> ?h=linux-4.1.y&id=6f9dbb525abc7b21b76bdee6558b6e706425d1a8

Thanks, that is great, closing this bug then.

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