* [Bug 73911] Color Banding on R600 (7660G + 7670M)
[not found] <bug-73911-502@http.bugs.freedesktop.org/>
@ 2014-02-03 20:42 ` bugzilla-daemon
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https://bugs.freedesktop.org/show_bug.cgi?id=73911
Alex Deucher <agd5f@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|xorg-driver-ati@lists.x.org |dri-devel@lists.freedesktop
| |.org
QA Contact|xorg-team@lists.x.org |
Product|xorg |DRI
Version|git |unspecified
Component|Driver/Radeon |DRM/Radeon
--- Comment #9 from Alex Deucher <agd5f@yahoo.com> ---
Are you only having problems with the built in display on the laptop?
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--- Comment #10 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 93321
--> https://bugs.freedesktop.org/attachment.cgi?id=93321&action=edit
testing patch
Does this kernel patch help?
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--- Comment #11 from Inti Alonso <intialonso@yahoo.com> ---
Right now Im at the office, I will test with a external screen when I get home.
Im not experienced with patching the Kernel, I gonna do some reading so I can
try the patch.
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--- Comment #12 from rue <ru1812@gmail.com> ---
Hi I am having the same issue with Banding using the open source Radeon Driver.
My laptop is an Acer Acpire 5560G with Radeon HD6520G + 7470M I have tryed a
few different Distros and I get the same Banding problems at the moment I have
Ubuntu-Gnome 14.04 2.13 kernel and Fedora 20 3.12 Kernel
NOTE: I have noticed the Banding only happens on the built in Laptop Screen if
I attach an external Monitor either VGA or HDMI the displays on those monitors
are fine, no Banding.
Running xwininfo shows my Depth is 24 bit I originally thought that may have
been set to 15.
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--- Comment #13 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #12)
> Hi I am having the same issue with Banding using the open source Radeon
> Driver.
> My laptop is an Acer Acpire 5560G with Radeon HD6520G + 7470M I have tryed a
> few different Distros and I get the same Banding problems at the moment I
> have Ubuntu-Gnome 14.04 2.13 kernel and Fedora 20 3.12 Kernel
Can you try the patch in comment 10?
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--- Comment #14 from rue <ru1812@gmail.com> ---
(In reply to comment #13)
> (In reply to comment #12)
> Hi I am having the same issue with Banding using
> the open source Radeon
> Driver.
> My laptop is an Acer Acpire 5560G with
> Radeon HD6520G + 7470M I have tryed a
> few different Distros and I get the
> same Banding problems at the moment I
> have Ubuntu-Gnome 14.04 2.13 kernel
> and Fedora 20 3.12 Kernel
Can you try the patch in comment 10?
No problem Alex I will try the patch when I get home this afternoon and report
back.
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--- Comment #15 from rue <ru1812@gmail.com> ---
(In reply to comment #13)
> (In reply to comment #12)
> > Hi I am having the same issue with Banding using the open source Radeon
> > Driver.
> > My laptop is an Acer Acpire 5560G with Radeon HD6520G + 7470M I have tryed a
> > few different Distros and I get the same Banding problems at the moment I
> > have Ubuntu-Gnome 14.04 2.13 kernel and Fedora 20 3.12 Kernel
>
> Can you try the patch in comment 10?
I applied the patch on Fedora20, no go I'm afraid I still have banding on the
built in screen.
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--- Comment #16 from scix55@gmail.com ---
I'm experiencing the same problem with an AMD A10-4600M in an Asus N56DP
laptop. I don't have an external screen to test at the moment, so can't be sure
if it's evident there as well.
I tried the patch with both 3.13 and 3.14-rc4 (with some edits due to it not
applying cleanly for the latter) and the patch actually causes a flickering
black screen on boot, with some faint green line popping up periodically.
Perhaps I applied the patch inproperly, though.
As far as the banding goes, the problem is particularly evident when running
Steam and looking at the grey background, which is filled with multi-coloured
banding.
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--- Comment #17 from Kertesz Laszlo <laszlo.kertesz@gmail.com> ---
I have a A8-6500 (kernel, mesa from git) and i too have banding in Steam and
the xfce desktop if i set gradient background.
But this doesnt show in gimp for example is i create a gradient.
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--- Comment #18 from Bernhardt Mark <wrgcpp@gmail.com> ---
I have the same problem on my laptop Samsung NP355V4C with 7660G and 7670M. I
have tried 3.13 kernel on Kubuntu 14.04 x86-64 and Debian Wheezy x86-64 (with
default debian kernel config from /boot), and this problem was observed in both
distributions.
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Alex Deucher <agd5f@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|Color Banding on R600 |Color Banding on radeon
|(7660G + 7670M) |
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Alex Deucher <agd5f@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |paula@parashep.com
--- Comment #19 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 76884 has been marked as a duplicate of this bug. ***
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Alex Deucher <agd5f@yahoo.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Attachment #93321|0 |1
is obsolete| |
--- Comment #20 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 96751
--> https://bugs.freedesktop.org/attachment.cgi?id=96751&action=edit
testing patch
Does this patch help?
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--- Comment #21 from Paula Breton <paula@parashep.com> ---
(In reply to comment #20)
> Created attachment 96751 [details] [review]
> testing patch
>
> Does this patch help?
unfortunately I can't test it as of now, I don't have enough disk space to
compile the patched kernel. didn't know it would eat up my last 12GB.
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--- Comment #22 from Paula Breton <paula@parashep.com> ---
(In reply to comment #20)
> Created attachment 96751 [details] [review]
> testing patch
>
> Does this patch help?
it doesn't look like it helps. same problem as before. my cursor has also
disappeared, but that might be a problem of that I haven't worked with the
kernel before at all.
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--- Comment #23 from M132 <marcelekprecelek.k@gmail.com> ---
My laptop with A8-4500m is also affected. With fglrx colors are fine, but I can
see little amount of noise (dithering?). With open source drivers, there is no
noise.
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--- Comment #24 from Paula Breton <paula@parashep.com> ---
(In reply to comment #23)
> My laptop with A8-4500m is also affected. With fglrx colors are fine, but I
> can see little amount of noise (dithering?). With open source drivers, there
> is no noise.
the noise is definitely dithering, since dithering accomplishes colour blending
using patterns similar to noise. it shouldn't be so noticeable in general use,
but, trying to accomplish smooth gradients with only 1/4 of the colour values
per channel is difficult.
haven't been able to sort this out, catalyst isn't really an acceptable
alternative.
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--- Comment #25 from M132 <marcel132132@gmail.com> ---
It looks like Catalyst uses some kind of "dynamic" dithering, like NVIDIA's
proprietary drivers, which generates different noise everytime the screen is
refreshed, so isn't really noticeable.
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^ permalink raw reply [flat|nested] 23+ messages in thread* [Bug 73911] Color Banding on radeon
[not found] <bug-73911-502@http.bugs.freedesktop.org/>
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2014-05-04 22:50 ` bugzilla-daemon
@ 2014-05-27 15:17 ` bugzilla-daemon
2014-05-27 20:44 ` bugzilla-daemon
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From: bugzilla-daemon @ 2014-05-27 15:17 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=73911
--- Comment #26 from Alex Deucher <agd5f@yahoo.com> ---
Does attachment 99834 help?
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^ permalink raw reply [flat|nested] 23+ messages in thread* [Bug 73911] Color Banding on radeon
[not found] <bug-73911-502@http.bugs.freedesktop.org/>
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2014-05-27 15:17 ` bugzilla-daemon
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2014-05-28 18:35 ` bugzilla-daemon
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From: bugzilla-daemon @ 2014-05-27 20:44 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=73911
--- Comment #27 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 99983
--> https://bugs.freedesktop.org/attachment.cgi?id=99983&action=edit
fix
This patch should fix the issue.
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^ permalink raw reply [flat|nested] 23+ messages in thread* [Bug 73911] Color Banding on radeon
[not found] <bug-73911-502@http.bugs.freedesktop.org/>
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2014-05-27 20:44 ` bugzilla-daemon
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2014-06-01 15:22 ` bugzilla-daemon
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From: bugzilla-daemon @ 2014-05-28 18:35 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=73911
--- Comment #28 from M132 <marcel132132@gmail.com> ---
It works! Thank you!
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^ permalink raw reply [flat|nested] 23+ messages in thread* [Bug 73911] Color Banding on radeon
[not found] <bug-73911-502@http.bugs.freedesktop.org/>
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2014-05-28 18:35 ` bugzilla-daemon
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2014-07-12 12:59 ` bugzilla-daemon
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From: bugzilla-daemon @ 2014-06-01 15:22 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=73911
--- Comment #29 from tomimaki <tomimaki@wp.pl> ---
(In reply to comment #27)
> Created attachment 99983 [details] [review]
> fix
>
> This patch should fix the issue.
I tested patch against 3.13 and it works. I assume it will fix later kernels
too.
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^ permalink raw reply [flat|nested] 23+ messages in thread* [Bug 73911] Color Banding on radeon
[not found] <bug-73911-502@http.bugs.freedesktop.org/>
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2014-06-01 15:22 ` bugzilla-daemon
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From: bugzilla-daemon @ 2014-07-12 12:59 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=73911
tomimaki <tomimaki@wp.pl> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #30 from tomimaki <tomimaki@wp.pl> ---
Well, I think we can close it as fix is now in stable and longterm kernels
(except 3.12). :)
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