https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #51 from Ilija Hadzic
2011-10-28 06:25:40 PDT ---
(In reply to comment #49)
> (In reply to comment #48)
> > > first) and apply the patch as 'patch -p1 name_of_the_patch.patch'
> >
> > Typo, it should be
> >
> >
> > patch -p1 <
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #50 from Siganderson 2011-10-28 05:42:37 PDT
---
I forgot to say that without touching anything in the window there are no
changes (60 fps... obviously 60 is the maximum when vsync is on).
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--- Comment #49 from Siganderson 2011-10-28 05:39:21 PDT
---
(In reply to comment #48)
> > first) and apply the patch as 'patch -p1 name_of_the_patch.patch'
>
> Typo, it should be
>
>
> patch -p1 < name_of_the_patch.patch
> ^
>
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #49 from Siganderson dj_...@webmail.it 2011-10-28 05:39:21 PDT ---
(In reply to comment #48)
first) and apply the patch as 'patch -p1 name_of_the_patch.patch'
Typo, it should be
patch -p1 name_of_the_patch.patch
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #50 from Siganderson dj_...@webmail.it 2011-10-28 05:42:37 PDT ---
I forgot to say that without touching anything in the window there are no
changes (60 fps... obviously 60 is the maximum when vsync is on).
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--- Comment #51 from Ilija Hadzic ihad...@research.bell-labs.com 2011-10-28
06:25:40 PDT ---
(In reply to comment #49)
(In reply to comment #48)
first) and apply the patch as 'patch -p1 name_of_the_patch.patch'
Typo, it should be
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #48 from Ilija Hadzic
2011-10-27 15:33:33 PDT ---
> first) and apply the patch as 'patch -p1 name_of_the_patch.patch'
Typo, it should be
patch -p1 < name_of_the_patch.patch
^
but you probably already know that
--
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--- Comment #46 from Ilija Hadzic
2011-10-27 15:27:15 PDT ---
Created attachment 52833
--> https://bugs.freedesktop.org/attachment.cgi?id=52833
provisional patch to try as an experiment
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--- Comment #45 from Siganderson 2011-10-27 15:05:52 PDT
---
mmm... I wanted to try it but I still don't understand how to apply it (what
version of files, where to get them and what command to run). I'm used with
patchfiles and patch -pNum <
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #44 from Siganderson 2011-10-27 13:36:58 PDT
---
I'll try the patch.
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--- Comment #43 from Ilija Hadzic
2011-10-26 16:57:22 PDT ---
(In reply to comment #34)
> (In reply to comment #33)
>
> I booted into kde 4.7.0 with a 3.1.0-rc2 kernel and then I did:
> echo 7 > /sys/module/drm/parameters/debug
> and then I
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #44 from Siganderson dj_...@webmail.it 2011-10-27 13:36:58 PDT ---
I'll try the patch.
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--- Comment #45 from Siganderson dj_...@webmail.it 2011-10-27 15:05:52 PDT ---
mmm... I wanted to try it but I still don't understand how to apply it (what
version of files, where to get them and what command to run). I'm used with
patchfiles and
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #46 from Ilija Hadzic ihad...@research.bell-labs.com 2011-10-27
15:27:15 PDT ---
Created attachment 52833
-- https://bugs.freedesktop.org/attachment.cgi?id=52833
provisional patch to try as an experiment
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--- Comment #47 from Ilija Hadzic ihad...@research.bell-labs.com 2011-10-27
15:31:31 PDT ---
(In reply to comment #45)
mmm... I wanted to try it but I still don't understand how to apply it (what
version of files, where to get them and what
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #48 from Ilija Hadzic ihad...@research.bell-labs.com 2011-10-27
15:33:33 PDT ---
first) and apply the patch as 'patch -p1 name_of_the_patch.patch'
Typo, it should be
patch -p1 name_of_the_patch.patch
^
but you
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #43 from Ilija Hadzic ihad...@research.bell-labs.com 2011-10-26
16:57:22 PDT ---
(In reply to comment #34)
(In reply to comment #33)
I booted into kde 4.7.0 with a 3.1.0-rc2 kernel and then I did:
echo 7
https://bugs.freedesktop.org/show_bug.cgi?id=39202
Ilija Hadzic changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|
https://bugs.freedesktop.org/show_bug.cgi?id=39202
Ilija Hadzic ihad...@research.bell-labs.com changed:
What|Removed |Added
Status|NEW |RESOLVED
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #42 from Siganderson 2011-08-19 09:45:58 PDT
---
(In reply to comment #41)
I couldn't improve the things so I decided to leave kde and move towards gnome3
that seems much faster.
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--- Comment #42 from Siganderson dj_...@webmail.it 2011-08-19 09:45:58 PDT ---
(In reply to comment #41)
I couldn't improve the things so I decided to leave kde and move towards gnome3
that seems much faster.
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--- Comment #41 from Siganderson 2011-08-18 11:43:07 PDT
---
(In reply to comment #40)
Your explaination is very clear, complete and useful.
This surprise me as i.e. in windows 7 it doesn't matter how many applications
and what is the load on
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #40 from Ilija Hadzic
2011-08-18 11:23:12 PDT ---
(In reply to comment #38)
> (In reply to comment #36 and #37)
>
> If I launch glxgears the FPS is 60/59.
> When desktop effects are active and repeatedly minimize and unminimize a
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #39 from Siganderson 2011-08-18 10:50:22 PDT
---
(In reply to comment #38)
> (In reply to comment #36 and #37)
>
> If I launch glxgears the FPS is 60/59.
> When desktop effects are active and repeatedly minimize and unminimize a
>
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #38 from Siganderson 2011-08-18 10:47:59 PDT
---
(In reply to comment #36 and #37)
If I launch glxgears the FPS is 60/59.
When desktop effects are active and repeatedly minimize and unminimize a window
the FPS drops to 15 while
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #37 from Ilija Hadzic
2011-08-18 10:37:28 PDT ---
(In reply to comment #35)
> I was curious to test even with the kernel before the patch and I found that
> dmesg | grep waiting does not show anything. Maybe the debug line wasn't
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #36 from Ilija Hadzic
2011-08-18 10:32:41 PDT ---
(In reply to comment #34)
> (In reply to comment #33)
>
> I booted into kde 4.7.0 with a 3.1.0-rc2 kernel and then I did:
> echo 7 > /sys/module/drm/parameters/debug
> and then I
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #35 from Siganderson 2011-08-18 10:01:59 PDT
---
I was curious to test even with the kernel before the patch and I found that
dmesg | grep waiting does not show anything. Maybe the debug line wasn't added
yet.
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https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #34 from Siganderson 2011-08-18 09:52:25 PDT
---
(In reply to comment #33)
I booted into kde 4.7.0 with a 3.1.0-rc2 kernel and then I did:
echo 7 > /sys/module/drm/parameters/debug
and then I launched glxgears (and didn't close
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #33 from Ilija Hadzic
2011-08-18 08:50:00 PDT ---
(In reply to comment #32)
> I can connect only the VGA connector as I have only one LCD monitor without
> DVI
> or HDMI slots. The video card has VGA, HDMI and DVI connectors.
If
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #32 from Siganderson 2011-08-18 07:19:37 PDT
---
(In reply to comment #31)
> BTW, on the part you are using, I have noticed that if you connect all three
> connectors, HDMI will be CRTC 0, VGA will be CRTC 1 and DVI will be CRTC 2.
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #31 from Ilija Hadzic
2011-08-18 06:20:18 PDT ---
(In reply to comment #28)
>
> the max fps is 60!!!
> but if I enable vsync in kde desktop effects settings or doing "vblank_mode=1
> kwin --replace" the fps goes to 100!!!
> In
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #30 from Siganderson 2011-08-18 05:06:35 PDT
---
I even tried do compile a 2.6.39 kernel with the old drm.h drm_ioctl.c
drm_irq.c files (when the incriminated commit was not yet applied) and as
expected I had 100 FPS in kde when
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #29 from Siganderson 2011-08-18 05:04:29 PDT
---
and this is the last attempt, when I booted a newer kernel:
cat /var/log/Xorg.0.log | grep Pageflipping
[37.812] (II) RADEON(0): KMS Pageflipping: disabled
cat
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #28 from Siganderson 2011-08-18 04:09:57 PDT
---
I just booted a 2.6.38 kernel before that commit with these results:
cat /var/log/Xorg.0.log | grep Pageflipping
[12.197] (II) RADEON(0): KMS Pageflipping: disabled
cat
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #27 from Michel D?nzer 2011-08-18 03:00:16
PDT ---
(In reply to comment #25)
> There is a sequence of commits in drm, some of them related to radeon
> and vblank.
I guess it's most likely commit
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #26 from Siganderson 2011-08-18 02:45:12 PDT
---
here it is an image of the commits
http://postimage.org/image/3ymp1bxg/
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--- Comment #25 from Siganderson 2011-08-18 02:39:36 PDT
---
After a hell of attempts I'm at this point:
git bisect start
git bisect bad 40471856f2e38e9bfa8d605295e8234421110dd6
git bisect good 047f61c5d16d617e1df2deea5c5d5fb2a1b41c95
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #25 from Siganderson dj_...@webmail.it 2011-08-18 02:39:36 PDT ---
After a hell of attempts I'm at this point:
git bisect start
git bisect bad 40471856f2e38e9bfa8d605295e8234421110dd6
git bisect good
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #26 from Siganderson dj_...@webmail.it 2011-08-18 02:45:12 PDT ---
here it is an image of the commits
http://postimage.org/image/3ymp1bxg/
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--- Comment #28 from Siganderson dj_...@webmail.it 2011-08-18 04:09:57 PDT ---
I just booted a 2.6.38 kernel before that commit with these results:
cat /var/log/Xorg.0.log | grep Pageflipping
[12.197] (II) RADEON(0): KMS Pageflipping:
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #29 from Siganderson dj_...@webmail.it 2011-08-18 05:04:29 PDT ---
and this is the last attempt, when I booted a newer kernel:
cat /var/log/Xorg.0.log | grep Pageflipping
[37.812] (II) RADEON(0): KMS Pageflipping: disabled
cat
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #30 from Siganderson dj_...@webmail.it 2011-08-18 05:06:35 PDT ---
I even tried do compile a 2.6.39 kernel with the old drm.h drm_ioctl.c
drm_irq.c files (when the incriminated commit was not yet applied) and as
expected I had 100
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #31 from Ilija Hadzic ihad...@research.bell-labs.com 2011-08-18
06:20:18 PDT ---
(In reply to comment #28)
the max fps is 60!!!
but if I enable vsync in kde desktop effects settings or doing vblank_mode=1
kwin --replace the fps
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #32 from Siganderson dj_...@webmail.it 2011-08-18 07:19:37 PDT ---
(In reply to comment #31)
BTW, on the part you are using, I have noticed that if you connect all three
connectors, HDMI will be CRTC 0, VGA will be CRTC 1 and DVI
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #33 from Ilija Hadzic ihad...@research.bell-labs.com 2011-08-18
08:50:00 PDT ---
(In reply to comment #32)
I can connect only the VGA connector as I have only one LCD monitor without
DVI
or HDMI slots. The video card has VGA,
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #34 from Siganderson dj_...@webmail.it 2011-08-18 09:52:25 PDT ---
(In reply to comment #33)
I booted into kde 4.7.0 with a 3.1.0-rc2 kernel and then I did:
echo 7 /sys/module/drm/parameters/debug
and then I launched glxgears (and
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #35 from Siganderson dj_...@webmail.it 2011-08-18 10:01:59 PDT ---
I was curious to test even with the kernel before the patch and I found that
dmesg | grep waiting does not show anything. Maybe the debug line wasn't added
yet.
--
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #36 from Ilija Hadzic ihad...@research.bell-labs.com 2011-08-18
10:32:41 PDT ---
(In reply to comment #34)
(In reply to comment #33)
I booted into kde 4.7.0 with a 3.1.0-rc2 kernel and then I did:
echo 7
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #37 from Ilija Hadzic ihad...@research.bell-labs.com 2011-08-18
10:37:28 PDT ---
(In reply to comment #35)
I was curious to test even with the kernel before the patch and I found that
dmesg | grep waiting does not show anything.
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #38 from Siganderson dj_...@webmail.it 2011-08-18 10:47:59 PDT ---
(In reply to comment #36 and #37)
If I launch glxgears the FPS is 60/59.
When desktop effects are active and repeatedly minimize and unminimize a window
the FPS drops
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #39 from Siganderson dj_...@webmail.it 2011-08-18 10:50:22 PDT ---
(In reply to comment #38)
(In reply to comment #36 and #37)
If I launch glxgears the FPS is 60/59.
When desktop effects are active and repeatedly minimize and
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #40 from Ilija Hadzic ihad...@research.bell-labs.com 2011-08-18
11:23:12 PDT ---
(In reply to comment #38)
(In reply to comment #36 and #37)
If I launch glxgears the FPS is 60/59.
When desktop effects are active and repeatedly
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #41 from Siganderson dj_...@webmail.it 2011-08-18 11:43:07 PDT ---
(In reply to comment #40)
Your explaination is very clear, complete and useful.
This surprise me as i.e. in windows 7 it doesn't matter how many applications
and what
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #24 from Siganderson 2011-08-16 10:24:35 PDT
---
(In reply to comment #23)
> I'm going to bisect between 2.6.38 and 2.6.39-rc1.
I started but even after 1 hour of git bisect skip I continue to have kernels
that don't compile:
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #22 from Michel D?nzer 2011-08-16 02:34:28
PDT ---
(In reply to comment #21)
> [...] where should I put vblank_mode=0 to see the effect it does into kde?
Wherever kwin is started. E.g. you can try restarting it manually:
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #18 from Michel Dänzer mic...@daenzer.net 2011-08-16 00:41:32 PDT
---
If vblank_mode=0 doesn't make a difference either, I'm afraid you'll really
need to bisect.
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--- Comment #19 from Siganderson dj_...@webmail.it 2011-08-16 01:49:02 PDT ---
(In reply to comment #18)
If vblank_mode=0 doesn't make a difference either, I'm afraid you'll really
need to bisect.
I did a rough bisect (tagging as bad even all
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #20 from Michel Dänzer mic...@daenzer.net 2011-08-16 01:54:25 PDT
---
(In reply to comment #19)
I did a rough bisect (tagging as bad even all the uncompilable commits and
tagging as good every 2.6.38-rc commit without testing it)
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #21 from Siganderson dj_...@webmail.it 2011-08-16 02:14:04 PDT ---
(In reply to comment #20)
You have to skip them, as you can't tell if they're affected by the problem.
Ok I will redo it from the beginning.
So this means you
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #22 from Michel Dänzer mic...@daenzer.net 2011-08-16 02:34:28 PDT
---
(In reply to comment #21)
[...] where should I put vblank_mode=0 to see the effect it does into kde?
Wherever kwin is started. E.g. you can try restarting it
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #23 from Siganderson dj_...@webmail.it 2011-08-16 04:07:27 PDT ---
(In reply to comment #22)
vblank_mode=0 kwin --replace
I just did it and it has the same effect of turning off vsync from the kde
desktop effects settings panel: the
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #24 from Siganderson dj_...@webmail.it 2011-08-16 10:24:35 PDT ---
(In reply to comment #23)
I'm going to bisect between 2.6.38 and 2.6.39-rc1.
I started but even after 1 hour of git bisect skip I continue to have kernels
that
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #16 from Siganderson 2011-08-15 10:59:21 PDT
---
(In reply to comment #15)
> (In reply to comment #13)
> > The interesting thing is that when I disable vsync (and I'm sure that the
> > option has effect as I see the "tearing" while
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #15 from Michel D?nzer 2011-08-15 02:49:11
PDT ---
(In reply to comment #13)
> The interesting thing is that when I disable vsync (and I'm sure that the
> option has effect as I see the "tearing" while watching videos) the FPS
>
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #15 from Michel Dänzer mic...@daenzer.net 2011-08-15 02:49:11 PDT
---
(In reply to comment #13)
The interesting thing is that when I disable vsync (and I'm sure that the
option has effect as I see the tearing while watching videos)
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #14 from Alex Deucher 2011-08-12 06:17:44 PDT
---
Are you setting the vblank_mode=0 env var?
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--- Comment #13 from Siganderson 2011-08-12 02:09:13 PDT
---
The interesting thing is that when I disable vsync (and I'm sure that the
option has effect as I see the "tearing" while watching videos) the FPS doesn't
go beyond 60 (3.0 kernel).
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #13 from Siganderson dj_...@webmail.it 2011-08-12 02:09:13 PDT ---
The interesting thing is that when I disable vsync (and I'm sure that the
option has effect as I see the tearing while watching videos) the FPS doesn't
go beyond 60
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #14 from Alex Deucher ag...@yahoo.com 2011-08-12 06:17:44 PDT ---
Are you setting the vblank_mode=0 env var?
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--- Comment #11 from Alex Deucher 2011-08-10 06:31:28 PDT
---
I don't really see how the frame rate could have been higher than the refresh
rate if vsync was enabled unless there was a bug in the vsync code in older
kernels.
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--- Comment #10 from Michel D?nzer 2011-08-10 00:49:08
PDT ---
Other than bisecting the kernel, I don't have any more good ideas for figuring
out what caused this.
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--- Comment #10 from Michel Dänzer mic...@daenzer.net 2011-08-10 00:49:08 PDT
---
Other than bisecting the kernel, I don't have any more good ideas for figuring
out what caused this.
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--- Comment #11 from Alex Deucher ag...@yahoo.com 2011-08-10 06:31:28 PDT ---
I don't really see how the frame rate could have been higher than the refresh
rate if vsync was enabled unless there was a bug in the vsync code in older
kernels.
--
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--- Comment #12 from Siganderson dj_...@webmail.it 2011-08-10 08:59:56 PDT ---
(In reply to comment #11)
I don't really see how the frame rate could have been higher than the refresh
rate if vsync was enabled unless there was a bug in the vsync
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #9 from Siganderson 2011-08-09 14:31:50 PDT
---
(In reply to comment #8)
> sorry... it's not ubuntu but kubuntu (kde 4.6.7)
uff.. XD
kde 4.7
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--- Comment #8 from Siganderson 2011-08-09 14:30:56 PDT
---
sorry... it's not ubuntu but kubuntu (kde 4.6.7)
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--- Comment #7 from Siganderson 2011-08-09 14:29:20 PDT
---
(In reply to comment #6)
I tried the first option alone and together with the second option. In both
cases the previous performance was not restored.
The test this time was done
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #6 from Michel D?nzer 2011-08-09 04:15:45
PDT ---
(In reply to comment #6)
> 2.6.38 -> 60 to 120 FPS with vsync on
vsync can't actually be effective if the framerate is higher than the refresh
rate...
Does
Option
https://bugs.freedesktop.org/show_bug.cgi?id=39202
Michel D?nzer changed:
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Attachment #49061|text/x-log |text/plain
mime type|
https://bugs.freedesktop.org/show_bug.cgi?id=39202
Michel Dänzer mic...@daenzer.net changed:
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Attachment #49061|text/x-log |text/plain
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #6 from Michel Dänzer mic...@daenzer.net 2011-08-09 04:15:45 PDT
---
(In reply to comment #6)
2.6.38 - 60 to 120 FPS with vsync on
vsync can't actually be effective if the framerate is higher than the refresh
rate...
Does
Option
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #7 from Siganderson dj_...@webmail.it 2011-08-09 14:29:20 PDT ---
(In reply to comment #6)
I tried the first option alone and together with the second option. In both
cases the previous performance was not restored.
The test this
https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #8 from Siganderson dj_...@webmail.it 2011-08-09 14:30:56 PDT ---
sorry... it's not ubuntu but kubuntu (kde 4.6.7)
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https://bugs.freedesktop.org/show_bug.cgi?id=39202
--- Comment #9 from Siganderson dj_...@webmail.it 2011-08-09 14:31:50 PDT ---
(In reply to comment #8)
sorry... it's not ubuntu but kubuntu (kde 4.6.7)
uff.. XD
kde 4.7
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Siganderson changed:
What|Removed |Added
Summary|KDE desktop effects with|FPS - KDE desktop effects
https://bugs.freedesktop.org/show_bug.cgi?id=39202
Siganderson dj_...@webmail.it changed:
What|Removed |Added
Summary|KDE desktop effects with|FPS - KDE desktop effects
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