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Thread: ATi Open drivers are coming of age... :)

  1. #511
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    Re: ATi Open drivers are comming of age... :)

    Quote Originally Posted by screaminj3sus View Post
    What is my mobility hd2600? r600?
    Yes it is an R600.

    Quote Originally Posted by screaminj3sus View Post
    And question, what kernel is better for ati power management, the rc6, or the drm-next?
    I'd go with drm-next. You can install them both in parallel & choose which one you want to use at boot.

    I sometimes have 4 of the things in my grub menu.

  2. #512
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    Re: ATi Open drivers are comming of age... :)

    Alright I am downloading the drm-next now and Ill see if there is any improvement, the power management right now is pretty bad compared to fglrx still. (using rc6 and radeon drivers from xorg-edgers driver only repo)
    Desktop: Windows 8 x64 | Intel Core i5-2500 | 16 GB DDR3 1333 | ATI 6950 2gb | 64gb Vertex 2/320gb/750gb/1tb hdd
    Laptop: System76 Lemur Ultra | Xubuntu 13.04 x64 | 2.5Ghz Intel Core i5-3210m | 8GB DDR31600 | Intel HD4000 | 500GB 7200rpm hybrid hdd

  3. #513
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    Re: ATi Open drivers are coming of age... :)

    Hello! I am on Ubuntu Lucid with an ATI Mobility X1600, so it should be an r520. I tried following the instruction for Ubuntu, installing the new kernel .34 and the xorg-edgers, but even if I can read "powersaving enabled" in dmesg I cannot see any improvements about temperature and power (my laptop consume now on idle ~30W, when with the old fglrx only ~20W).

    I've read the last posts and I have understood that I have to compile myself a "special" version of the kernel, the "drm-next"... is it right?
    But I haven't understood how to do that and where to get it! Can someone explain me?

    Thank you!

  4. #514
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    Kubuntu 10.04 Lucid Lynx

    Re: ATi Open drivers are coming of age... :)

    You probably don't need to compile a kernel since the drm-next kernel is already packaged for you and you can download it from http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-next/

    I don't know why you haven't seen an improvement with the open source drivers and the .34 kernel since I have seen a huge improvement compared to the drivers/xorg that comes with Lucid even with the .34 kernel, but maybe the drm-next kernel will help.

  5. #515
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    Ubuntu 11.04 Natty Narwhal

    Re: ATi Open drivers are coming of age... :)

    I just tried the .34 kernel and xorg edgers and i saw no real power improvement. Oddly using the mainline ppa my cpu wouldn't dynamically downclock anymore.

    This probably was the cause of my lack of power savings.

  6. #516
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    Re: ATi Open drivers are coming of age... :)

    Thank you! Now using the drm-next the pc temperature is finally 3-4 degrees under... it's far from old fglrx but it's a big step for OSS driver!
    Only one question: is it possible to manually manage power step, as in the closed driver? I noticed (by dmesg) that it often step from one frequency to another, about every 20 sec, and more often if desktop effects are enabled (even on idle), about every 6 sec. It's a waste of power and on every stepping the display start flickering! I would like to put it always on the lowest frequency and boost it only few times when I turn on my UrbanTerror
    is it possible?

    thank you

  7. #517
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    Re: ATi Open drivers are coming of age... :)

    BigLouis87: try "su" and then "echo X > /sys/class/drm/card0/device/power_state"
    make sure X is a valid status id!

    My card has only status 0 and 1, so X can only be 0 or 1. (see below?)

    You will see how many Power State(s) your card has when you run: "dmesg | grep drm"

    Not that this works for my card at this stage, though it does for similar GPUs. My PM has very likely been bastardised by Apple.

    [drm] 2 Power State(s)
    [drm] State 0 (default)
    [drm] 16 PCIE Lanes
    [drm] 3 Clock Mode(s)
    [drm] 0 engine/memory: 600000/650000
    [drm] 1 engine/memory: 600000/650000
    [drm] 2 engine/memory: 600000/650000
    [drm] State 1 Performance
    [drm] 16 PCIE Lanes
    [drm] 3 Clock Mode(s)
    [drm] 0 engine/memory: 600000/650000
    [drm] 1 engine/memory: 600000/650000
    [drm] 2 engine/memory: 600000/650000

  8. #518
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    Re: ATi Open drivers are coming of age... :)

    eh drm-next sucks for me because it pc freaks out whenever it wakes up from suspend with it (screen keeps flickering on and off with artifacts over and over :/
    Desktop: Windows 8 x64 | Intel Core i5-2500 | 16 GB DDR3 1333 | ATI 6950 2gb | 64gb Vertex 2/320gb/750gb/1tb hdd
    Laptop: System76 Lemur Ultra | Xubuntu 13.04 x64 | 2.5Ghz Intel Core i5-3210m | 8GB DDR31600 | Intel HD4000 | 500GB 7200rpm hybrid hdd

  9. #519
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    Re: ATi Open drivers are coming of age... :)

    I tried drm-next but when my machine comes back from suspend it freaks out and the screen flickers on and off with artifacts, and temps were still pretty high (54-63 degrees C, laptop warm-hot to touch)

    Here's my power states: (and question, why does it say 256 mb vram? I know for a fact my card has 512mb gddr3 dedicated vram)
    4 Power State(s)
    [ 17.251253] [drm] State 0 Default (default)
    [ 17.251255] [drm] 16 PCIE Lanes
    [ 17.251257] [drm] 3 Clock Mode(s)
    [ 17.251259] [drm] 0 engine/memory: 500000/600000
    [ 17.251261] [drm] 1 engine/memory: 500000/600000
    [ 17.251263] [drm] 2 engine/memory: 500000/600000
    [ 17.251265] [drm] State 1 Performance
    [ 17.251267] [drm] 16 PCIE Lanes
    [ 17.251269] [drm] 3 Clock Mode(s)
    [ 17.251270] [drm] 0 engine/memory: 300000/405000
    [ 17.251273] [drm] 1 engine/memory: 300000/405000
    [ 17.251275] [drm] 2 engine/memory: 500000/600000
    [ 17.251276] [drm] State 2 Battery
    [ 17.251278] [drm] 16 PCIE Lanes
    [ 17.251280] [drm] 3 Clock Mode(s)
    [ 17.251282] [drm] 0 engine/memory: 300000/405000
    [ 17.251284] [drm] 1 engine/memory: 300000/405000
    [ 17.251286] [drm] 2 engine/memory: 300000/405000
    [ 17.251288] [drm] State 3 Performance
    [ 17.251289] [drm] 16 PCIE Lanes
    [ 17.251291] [drm] 3 Clock Mode(s)
    [ 17.251293] [drm] 0 engine/memory: 500000/600000
    [ 17.251295] [drm] 1 engine/memory: 500000/600000
    [ 17.251297] [drm] 2 engine/memory: 500000/600000
    [ 17.251302] [drm] radeon: dynamic power management enabled
    [ 17.251304] [drm] radeon: power management initialized
    [ 17.251350] [drm] Detected VRAM RAM=256M, BAR=256M
    [ 17.251351] [drm] RAM width 128bits DDR
    [ 17.253473] [drm] radeon: 256M of VRAM memory ready
    [ 17.253475] [drm] radeon: 512M of GTT memory ready.
    And heres my temp with the laptop only on for 10 minutes:

    brandon@brandon-laptop:~$ sensors
    acpitz-virtual-0
    Adapter: Virtual device
    temp1: +57.0°C (crit = +100.0°C)
    Desktop: Windows 8 x64 | Intel Core i5-2500 | 16 GB DDR3 1333 | ATI 6950 2gb | 64gb Vertex 2/320gb/750gb/1tb hdd
    Laptop: System76 Lemur Ultra | Xubuntu 13.04 x64 | 2.5Ghz Intel Core i5-3210m | 8GB DDR31600 | Intel HD4000 | 500GB 7200rpm hybrid hdd

  10. #520
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    Re: ATi Open drivers are coming of age... :)

    Quote Originally Posted by screaminj3sus View Post
    eh drm-next sucks for me because it pc freaks out whenever it wakes up from suspend with it (screen keeps flickering on and off with artifacts over and over :/
    All part of the fun & games of playing on the bleeding edge.

    My machine freezes every couple of days due to all the dev' packages & kernel I'm running to satisfy my desire to play this game with the ATi OSS drivers. (It has only happened 3 times) I can live with that until I get an upgrade that will fix it, though I expect you'll be dumping that kernel pretty quick.

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