On Thu, Nov 25, 2010 at 5:08 PM, John Ettedgui <john.ettedgui@xxxxxxxxx> wrote: > On Thu, Nov 25, 2010 at 4:59 PM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >> On 26.11.2010 02:53, John Ettedgui wrote: >>> On Thu, Nov 25, 2010 at 3:34 PM, John Ettedgui <john.ettedgui@xxxxxxxxx> wrote: >>>> On Thu, Nov 25, 2010 at 3:15 PM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>> On 26.11.2010 01:11, John Ettedgui wrote: >>>>>> On Thu, Nov 25, 2010 at 2:58 PM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>> On 26.11.2010 00:42, John Ettedgui wrote: >>>>>>>> On Thu, Nov 25, 2010 at 11:19 AM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>>> On 25.11.2010 14:21, John Ettedgui wrote: >>>>>>>>>> On Thu, Nov 25, 2010 at 3:40 AM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>>>>> On 25.11.2010 13:09, John Ettedgui wrote: >>>>>>>>>>>> On Thu, Nov 25, 2010 at 2:49 AM, Anssi Hannula <anssi.hannula@xxxxxx> wrote: >>>>>>>>>>>>> On 25.11.2010 06:12, John Ettedgui wrote: >>>>>>>>>>>>>> I'm actually trying to get a 5.1 setup working without passthrough, if >>>>>>>>>>>>>> I use mplayer with passthrough my receiver behaves just fine, but I am >>>>>>>>>>>>>> trying to send the 6 channels from the computer. >>>>>>>>>>>>>> >>>>>>>>>>>>>> I was actually told that the current ALSA driver for radeon's hdmi >>>>>>>>>>>>>> does not support more than 2 channels, and that would explain why I'm >>>>>>>>>>>>>> getting this behavior. Is that true though? >>>>>>>>>>>>> >>>>>>>>>>>>> Yes. >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> However, strangely your log output seems to show the intel's hdmi parser >>>>>>>>>>>>> being used instead: >>>>>>>>>>>>> >>>>>>>>>>>>>> ALSA sound/pci/hda/patch_intelhdmi.c:842: hdmi_setup_stream: NID=0x2, >>>>>>>>>>>>>> stream=0x1, new-format=0x11 >>>>>>>>>>>>> >>>>>>>>>>>>> Were you just trying some patch at the time? >>>>>>>>>>>> >>>>>>>>>>>> yes Wu gave me a patch to try against the kernel, I'm guessing this is >>>>>>>>>>>> the reason you see something unexpected. >>>>>>>>>>> >>>>>>>>>>> Did 6 channels work with that patch? (possibly with a wrong channel order) >>>>>>>>>> Not any better as far as I remember. >>>>>>>>> >>>>>>>>> OK. Did 2 channel audio continue to work with it? >>>>>>>>> >>>>>>>>> If you are not sure, here's the patch doing the same thing against >>>>>>>>> current alsa driver: >>>>>>>>> http://stuff.onse.fi/0001-ALSA-hda-Use-generic-HDMI-code-for-ATI-HDMI-codecs.patch >>>>>>>>> >>>>>>>>> Confirming that would help (it would allow to switch the ATI chip to use >>>>>>>>> the generic parser instead of the ATI-specific one), though not with the >>>>>>>>> multichannel issue (see below). >>>>>>>>> >>>>>>>>> [...] >>>>>>>>> >>>>>>>>>>>> Since I just moved to jack/rca cables I'm in no hurry anymore, but is >>>>>>>>>>>> there any reason why the driver cannot work with more than 2 channels? >>>>>>>>>>> >>>>>>>>>>> I don't really know (it is simply not implemented). >>>>>>>>>> Alright. >>>>>>>>>>> >>>>>>>>>>>> Anything I could do to help with that? >>>>>>>>>>> >>>>>>>>>>> Possibly. But see above, so that we won't try the same things you >>>>>>>>>>> already tried :) >>>>>>>>>>> >>>>>>>>>> Sure :) >>>>>>>>> >>>>>>>>> Looking again at the the alsa info output you provided, I don't think I >>>>>>>>> have any great ideas. It looks like the chip simply reports that it >>>>>>>>> supports a maximum of 2 channels. >>>>>>>>> >>>>>>>>> One option could be hardcoding "chans = 8;" in generic_hdmi_build_pcms() >>>>>>>>> in sound/pci/hda/patch_hdmi.c (assuming you have the above patch and 2 >>>>>>>>> channel audio works with it). However, I find it rather unlikely that it >>>>>>>>> would make any difference. >>>>>>>>> >>>>>>>>> -- >>>>>>>>> Anssi Hannula >>>>>>>>> >>>>>>>> >>>>>>>> Anssi, >>>>>>>> the patch fails on my kernel, I cannot find the hda_codec_preset >>>>>>>> manually in there either. >>>>>>>> Did you want me to try that against a 2.6.37 rc instead of a 2.6.36? >>>>>>> >>>>>>> For 2.6.36 I think you can just use your earlier patch. >>>>>>> >>>>>>> Note that on that kernel generic_hdmi_build_pcms() is >>>>>>> intel_hdmi_build_pcms() in patch_intelhdmi.c. >>>>>>> >>>>>> ok >>>>>>> BTW, I've just been informed by another ATI user that his card was >>>>>>> actually stereo-only, while he thought earlier it was multichannel >>>>>>> capable. So, are you sure your card is a multichannel one? >>>>>>> (if not, it would explain why the card says it is not) >>>>>>> >>>>>>> -- >>>>>>> Anssi Hannula >>>>>>> >>>>>> Yes, it works fine in Window Âso I believe the hardware part is good. >>>>> >>>>> And you are sure it is multichannel PCM, and not e.g. multichannel DTS >>>>> or multichannel AC-3 with on-the-fly compression, which are possible >>>>> with stereo hdmi as well? >>>>> >>>>> Just making sure :) >>>>> >>>>> -- >>>>> Anssi Hannula >>>>> >>>> >>>> Well, I have not super tested it, but the reason I believe it is is >>>> simple, when I use passthrough my receiver says Dolby digital or >>>> something like that, but in Windows just going around or playing games >>>> it says Multichannel. >> >> Sounds ok then. >> >>>> I'll get the patch applied in a few minutes, I was running out of >>>> memory and my system was getting really slow... :) >>>> >>> >>> I am not sure if I did it right but now I don't even get hdmi sound >>> working anymore. >>> It is not listed in aplay-l, and dmesg gives me this: >>> [drm:radeon_dvi_detect] *ERROR* HDMI Type A-1: probed a monitor but >>> no|invalid EDID >>> >>> I've attached the patch I used, since I could not used the previous >>> one I had to hack it, maybe I broke something? >>> (I have not set channels to 8 yet, just changed the parser) >> >> The patch looks ok. The above error message is weird, as it comes from >> the display driver which should not be affected by the patch at all. >> >> I'll look at the code later (tomorrow maybe). Until then I'd advise you >> to retry without the patch and with the patch again, just to make sure >> this is not some unrelated issue... >> Also, post the whole dmesg when it works (2 channel, without patch), and >> when it doesn't (with patch). >> >> -- >> Anssi Hannula >> > Following your message I restarted my computer and that error was > gone, yet there is still nothing display in aplay -l / aplay -L about > hdmi anymore. > I'll go back to my non patched kernel and see what it does. > With the non-patched kernel I get back my hdmi in aplay -l, so it looks like the patch messed up something. I really think that when I tried it before it did not do that, but it was so long ago that I could be wrong... Anyway here are the 2 dmesgs (not sure if they'll help though). Thanks, John
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