On Tue, 2010-02-23 at 08:54 +0100, Hendrik Sattler wrote: > Zitat von Rafał Miłecki <zaj...@gmail.com>: > > > 2010/2/22 Hendrik Sattler <p...@hendrik-sattler.de>: > >> 2. > >> xrandr only offers 1080p only if the TV is connected before booting, else > >> only 1366x768 is available. So 1080p is technically possible. > > > > Please boot without TV, then execute and provide output of xrandr --verbose > > Ok, I will provide this tonight. > > >> 3. > >> My TV accepts additional audio-in. This works when I use radeon.audio=0 > >> but only if the cable is not connected before booting. In combination with > >> 1 and 2, I get either 1080p or sound. What can I do about this? > > > > Did you really mean setting radeon.audio=0 to *get* audio working? In > > theory audio=0 should *disable* audio. > > Yes. I have an extra stereo cable from my audio-out to the TV. But the > TV only uses the extra analog audio input when the audio is not > provided by the HDMI connection (at least it seems so). Note that the > video output connector is actually DVI-D, so I am not sure that the > hardware is wired to do audio over the DVI->HDMI solution. > I guess that the sound chip must be wired to the radeon chip to > actually get the audio into the TMDS stream (how else could it get the > audio data, I don't see an extra alsa device for the HDMI connection). > I just assume that this is not the case in my laptop. DVI-D is a digital VIDEO connector, it doesn't carry audio. The audio codec hardware on Radeon outputs through the HDMI connector only, if your laptop doesn't have one but your Radeon is happy to provide you an output sink, that's your problem, and the correct solution is indeed to disable the Radeon audio with "radeon.audio=0".
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