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Thread: Radeon HDMI Audio Set For Linux 2.6.33 Kernel

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  1. #1
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    Default Radeon HDMI Audio Set For Linux 2.6.33 Kernel

    Phoronix: Radeon HDMI Audio Set For Linux 2.6.33 Kernel

    The Direct Rendering Manager code in the Linux 2.6.33 kernel has received many improvements including the KMS page-flipping ioctl, DisplayPort monitor support for ATI KMS, R600/700 interrupts support, support for unreleased Intel IGPs, and many other changes. Coming after this initial pull request was also the Nouveau DRM driver and VMware's vmwgfx DRM driver...

    http://www.phoronix.com/vr.php?view=NzgxMA

  2. #2
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    That's great news!

  3. #3
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    Ok, I like that.
    Going to have to try patching this onto the F12 2.6.31 kernel source.
    Hopefully this will *just work* with a conventional DVI->HDMI adapter plug and not need any weird and crazy AMD plug....

    I suppose that this depends on how they actually do the HDMI detection... Might be able to modify the patch into *forced always on*.

  4. #4
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    Who uses audio in HDMI? People with HTPC's?

  5. #5
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    Quote Originally Posted by Louise View Post
    Who uses audio in HDMI? People with HTPC's?
    i used that with the fglrx driver a few times already.
    its useful when your friend has a movie on an usbstick and you want to watch it on your hdtv.
    very useful

  6. #6
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    I see. Thanks.

  7. #7
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    Quote Originally Posted by Pfanne View Post
    i used that with the fglrx driver a few times already.
    its useful when your friend has a movie on an usbstick and you want to watch it on your hdtv.
    very useful
    I watch 90% of movies on HDTV. still see no point in sound over HDMI in my case. I won't use TV speakers, but my 7.1 receiver. It has 0 HDMI ports, so I use S/PDIF connection.
    IMHO most people own receivers without HDMI connectors. After all it's exactly the same number of cables

  8. #8
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    Quote Originally Posted by Louise View Post
    Who uses audio in HDMI? People with HTPC's?
    If I ever set up a 2 seat system. I'll just use main sound board for one seat and hang some powered speakers off the 2nd monitor.

  9. #9
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    Default Bad Idea - big time

    98% (a percentage that is a mere starting guess) of people using ATI cards are NOT running HTPCs, they are just normal desktops. So what? The HDMI driver grabs sound card zero and effectively mutes your computer. The savvy user knows this and edits /etc/modprobe.d/alsa-base.conf to move the HDMI sound to -2. The noob goes wtf? and goes back to Windows. If it is part of the kernel then the sound output from the soundcard will not work right from the start.

    Just my two cents worth. I have a desktop with an HD3450 that does not have HDMI, yet the driver makes the device anyway so i had to fix my sound up. I also have an HTPC running a Gigabyte GA-MA78GM-S2H motherboard with onboard HD3200 and it does have HDMI sound, which I do not use for the reasons given above. The output from the TV is nobbled for DRM requirements so I need Optical spdif out to my amp. Again I had to work at fixing the sound. One day I will replace my amp with an HDMI model, but my current amp is working well so it will not be for a long time.

    I am a 12 year plus Linux user, and I worked out the problem and solution without effort. A noob is going to struggle with even where to start.
    Last edited by grege; 12-17-2009 at 04:50 AM.

  10. #10
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    Default Radeon HDMI Audio Set For Linux 2 6 33 Kernel

    Thats the point. If therere many people using Linux as a server, then Windows Server can well take its place in the market as a Hypervisor product, even if people move away from Windows Server to provide regular services.

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