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Thread: AMD Catalyst 13.6 Beta

  1. #11
    Join Date
    May 2013
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    5

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    On my 7850 with 3.9.4 kernel performance all round is greatly improved.

    In cgminer I am getting about 15Mh/s more with identical settings as per 13.4 drivers.
    In World of Warcraft under wine there as about 10-20fps more on average.
    Native games already ran fine before so i am not noticing a difference.

    Tearing I was seeing in VLC/Youtube seems to be gone.

  2. #12
    Join Date
    Jun 2013
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    3

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    i'm still cant use discrete graphic with this driver release.. i'm using Ubuntu 13.04 and linux mint 15, both of them cant use discrete, but when i install in Ubuntu 12.10 it works perfectly
    my laptop use ATI Radeon HD 7670M Hybrid.. any suggestion why is this can happen? here is error log from Xorg.0.log

    Code:
    [   896.539] (II) fglrx(0): Intel display surface mc addr for AMD: 9f083000
    [   896.539] (EE) fglrx(0): Map intel primary surface to user space failed!
    [   896.539] 
    Fatal server error:
    [   896.539] AddScreen/ScreenInit failed for driver 0
    thanks

  3. #13
    Join Date
    Jan 2008
    Location
    South Africa
    Posts
    234

    Default

    I found a work-around to resolve the lag in Source games.
    When I set my KWin compositor to not vsync, then the lag went away. Weird, as when I disable compositing, lag returns.
    So, maybe the source mouse lag is caused by the compositor?

    That same "trick" resolved Firefox scrolling smoothness. It isn't as smooth as without compositing, but close enough for me not to care.

  4. #14
    Join Date
    Jan 2008
    Location
    South Africa
    Posts
    234

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    So I just wondered how the smoothness of everything is affected by cpufrec scaling.

    When I set cpu governor to 'performance', everything goes buttery smooth...
    We really need a better default cpu governor.

    Edit:
    So I read up on the ondemand docs, and eventually tried the following: (as root)
    echo 100 > /sys/devices/system/cpu/cpufreq/ondemand/sampling_down_factor

    This improved the smoothness of everything, whilst still allowing ondemand to do what it does best :-)
    A value of 10 for sampling_down_factor didn't resolve the smoothness for me. Also, adjusting the up_threshold didn't make anything smoother for me either.

    I'm unsure how this affects battery life. I'll report if I notice a change.
    Last edited by grigi; 06-05-2013 at 03:59 AM. Reason: extra information

  5. #15
    Join Date
    Jul 2008
    Location
    Germany
    Posts
    681

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    Quote Originally Posted by arenaling View Post
    i'm still cant use discrete graphic with this driver release.. i'm using Ubuntu 13.04 and linux mint 15, both of them cant use discrete, but when i install in Ubuntu 12.10 it works perfectly
    my laptop use ATI Radeon HD 7670M Hybrid.. any suggestion why is this can happen? here is error log from Xorg.0.log

    Code:
    [   896.539] (II) fglrx(0): Intel display surface mc addr for AMD: 9f083000
    [   896.539] (EE) fglrx(0): Map intel primary surface to user space failed!
    [   896.539] 
    Fatal server error:
    [   896.539] AddScreen/ScreenInit failed for driver 0
    thanks
    Are you using SNA on the Intel Driver? Try UXA
    https://wiki.archlinux.org/index.php...eration_method

  6. #16
    Join Date
    Jul 2012
    Posts
    148

    Default

    Quote Originally Posted by grigi View Post
    I found a work-around to resolve the lag in Source games.
    When I set my KWin compositor to not vsync, then the lag went away. Weird, as when I disable compositing, lag returns.
    So, maybe the source mouse lag is caused by the compositor?

    That same "trick" resolved Firefox scrolling smoothness. It isn't as smooth as without compositing, but close enough for me not to care.
    https://github.com/ValveSoftware/Sou...mes/issues/765

    If you can, use the R600g Open Source driver. For the best performance (constant 60 fps in Source games):

    Code:
    R600_DEBUG=sb R600_LLVM=0 %command%

  7. #17
    Join Date
    Jan 2008
    Location
    South Africa
    Posts
    234

    Default

    Sorry, on a laptop, I need the power management.
    Besides, I'm enjoying gaming on all the steam games I have right now, and they all run perfectly. So I really don't have a need to change right now.
    Oh, and I have a GCN aswell, to complicate changing even more :P

  8. #18
    Join Date
    Jun 2013
    Posts
    3

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    Quote Originally Posted by Nille View Post
    Are you using SNA on the Intel Driver? Try UXA
    https://wiki.archlinux.org/index.php...eration_method
    thank you so much, i have follow your links, by making 20-intel.conf but it still not work, i have research more and it seems i do it wrong..

    i found link https://bugs.launchpad.net/ubuntu/+s...s/+bug/1068404 which is say edit xorg.conf to resolve it

  9. #19

    Default

    Quote Originally Posted by grigi View Post
    Sorry, on a laptop, I need the power management.
    Besides, I'm enjoying gaming on all the steam games I have right now, and they all run perfectly. So I really don't have a need to change right now.
    Oh, and I have a GCN aswell, to complicate changing even more :P
    Just FYI you can run FGLRX and the radeon driver in tandem, at least with Gentoo, and I presume on other distributions as well. I don't run with the battery very much but if I absolutely need to I can boot up with FGLRX enabled.

  10. #20
    Join Date
    Jan 2008
    Location
    South Africa
    Posts
    234

    Default

    Well, I use tend to suspend/resume my laptop, so it reboots about every month or so. Really, it isn't like FGLRX is hindering me to do what I need to do.

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