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Radeon HDMI Linux Audio Might Be Restored Soon

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  • Radeon HDMI Linux Audio Might Be Restored Soon

    Phoronix: Radeon HDMI Linux Audio Might Be Restored Soon

    Support for HDMI audio output with the open-source Radeon Linux graphics driver might finally be in a state where it could be re-enabled by default...

    http://www.phoronix.com/vr.php?view=MTM1MTM

  • #2
    Rafał Miłecki now things
    I thing that's a typo

    About HDMI audio, I have it enabled on my HD4890, and it doesn't cause any issues at all.

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    • #3
      what about HD Audio?

      what about HD Audio? Does it support HD Audio?

      The closed Linux catalyst driver doesn't, but is it stopping for implementing it? I think Windows Catalyst driver support HD Audio, so I guess its not a limitation of the hardware.

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      • #4
        Originally posted by jkumar View Post
        what about HD Audio? Does it support HD Audio?
        What do you mean by "HD Audio"? Intel Azalia codecs?

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        • #5
          I think he means HD pasthrough, for codecs such as DTS, DTS HD, AC3, Dolby Digital... Playing those through a compatible amplifier is awesome
          It's been an awesome two weeks for the radeon driver, kudos to all involved, and many thanks.

          Serafean

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          • #6
            Any news on supporting Cayman+? My Trinity really misess this... It'd be perfect together with vdpau!

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            • #7
              Originally posted by Serafean View Post
              I think he means HD pasthrough, for codecs such as DTS, DTS HD, AC3, Dolby Digital... Playing those through a compatible amplifier is awesome
              It's been an awesome two weeks for the radeon driver, kudos to all involved, and many thanks.
              What are the problems with passthrough? I didn't try DTS HD, but the rest seems to work fine.

              Originally posted by HokTar View Post
              Any news on supporting Cayman+? My Trinity really misess this... It'd be perfect together with vdpau!
              According to the http://www.x.org/wiki/RadeonFeature Cayman is DCE5, which should be working. We don't support DCE6 yet.

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              • #8
                Originally posted by Serafean View Post
                I think he means HD pasthrough, for codecs such as DTS, DTS HD, AC3, Dolby Digital... Playing those through a compatible amplifier is awesome
                Oh. I don't have such equipment, but there certainly are options for enabling that in pavucontrol and XBMC, so I assume it should work fine.

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                • #9
                  Originally posted by Zajec View Post
                  According to the http://www.x.org/wiki/RadeonFeature Cayman is DCE5, which should be working.
                  My mistake, should have been "Cayman<".

                  Originally posted by Zajec View Post
                  We don't support DCE6 yet.
                  Exactly, my question was referring to this; any plans maybe?

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                  • #10
                    Originally posted by HokTar View Post
                    Originally posted by Zajec View Post
                    We don't support DCE6 yet.
                    Exactly, my question was referring to this; any plans maybe?
                    This is on my TODO, but it's more complicated than earlier DCE and I still have sth to improve on earlier DCEs. Next month maybe.

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                    • #11
                      Originally posted by Zajec View Post
                      This is on my TODO, but it's more complicated than earlier DCE and I still have sth to improve on earlier DCEs. Next month maybe.
                      Sounds fantastic! Thanks for the update and I wish you all the best for your work!
                      Brilliant, cheers mate!

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                      • #12
                        Originally posted by GreatEmerald View Post
                        I thing that's a typo

                        About HDMI audio, I have it enabled on my HD4890, and it doesn't cause any issues at all.
                        "MAY" not= "WILL".
                        A lot of it has to do with the equipment you have attached to the HDMI. For example, the Toshiba TV I have plugged into my Radeon 4200. If I change inputs on the TV, say to my satellite box, and then back to the radeon, then I get this awesome pink/purple mode (mismatched YUV vs RGB mode). It only works properly again after a full reinitialization of the connector, either by turning the TV completely off and then back on again, or by restarting the HTPC.

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                        • #13
                          Originally posted by droidhacker View Post
                          "MAY" not= "WILL".
                          A lot of it has to do with the equipment you have attached to the HDMI. For example, the Toshiba TV I have plugged into my Radeon 4200. If I change inputs on the TV, say to my satellite box, and then back to the radeon, then I get this awesome pink/purple mode (mismatched YUV vs RGB mode). It only works properly again after a full reinitialization of the connector, either by turning the TV completely off and then back on again, or by restarting the HTPC.
                          Please report this! Unfortunately we (developers) don't have access to every possible hardware and we need sometimes help of users. Just use bugzilla, or even dri-devel malinglist in domain lists.freedesktop.org.

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                          • #14
                            Originally posted by Zajec View Post
                            What are the problems with passthrough? I didn't try DTS HD, but the rest seems to work fine.
                            Proprietary driver will only passthrough normal DTS and Dolby digital - DTS MA and Dolby TrueHD don't work, See http://ati.cchtml.com/show_bug.cgi?id=570

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                            • #15
                              Originally posted by Zajec View Post
                              Please report this! Unfortunately we (developers) don't have access to every possible hardware and we need sometimes help of users. Just use bugzilla, or even dri-devel malinglist in domain lists.freedesktop.org.
                              Already did... YEARS ago. Got told... "turn off hdmi audio". Screw that, soundless HTPC is kinda useless.

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