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Old 07-29-10, 02:40 PM   #12
lintweaker
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Join Date: Oct 2004
Posts: 44
Red face Re: No audio from HDMI (MCP89 / Geforce 320M): Reason: no connected devices detected

OK, it seems it was a bit premature for me to assume that the patch already made it to ALSA GIT. The updated patch_hdmi.c and patch_nvhdmi.c can be found in ALSA's Takashi Iwai daily alsa-driver snapshot: http://ftp.kernel.org/pub/linux/kernel/people/tiwai/alsa/alsa-driver/

Sorry about that.

I just tried booting the mini mac mini and switching on the receiver and my TV at a later time (the mini was just logged in to the desktop). With dmesg I saw the usual HDMI messages but now it found the receiver as connected device and not the TV. Checking /proc/asound/cards/card0/eld#5.0 shows it detected all the supported bit rates and audio encoding properly but I do not have sound.

The TV also thinks it's in 1080i / 60 Hz mode instead of 1080p / 50Hz. Checking Xorg.0.log reveals:

Quote:
[ 25.974] (--) NVIDIA(0): Interlaced video modes are supported on this GPU
[ 25.974] (--) NVIDIA(0): Connected display device(s) on GeForce 320M at PCI:5:0:0:
[ 25.974] (--) NVIDIA(0): YMH RX-V1065 (DFP-1)
[ 25.974] (--) NVIDIA(0): YMH RX-V1065 (DFP-1): 165.0 MHz maximum pixel clock
[ 25.974] (--) NVIDIA(0): YMH RX-V1065 (DFP-1): Internal Single Link TMDS
[ 26.013] (II) NVIDIA(0): Assigned Display Device: DFP-1
[ 26.013] (II) NVIDIA(0): Validated modes:
[ 26.013] (II) NVIDIA(0): "pan1080p50"
[ 26.013] (II) NVIDIA(0): "pan1080p60"
[ 26.013] (II) NVIDIA(0): "pan1080p24"
[ 26.013] (II) NVIDIA(0): "pan720p50"
[ 26.013] (II) NVIDIA(0): "pan720p60"
[ 26.013] (II) NVIDIA(0): Virtual screen size determined to be 1920 x 1080
[ 26.052] (WW) NVIDIA(0): YMH RX-V1065 (DFP-1)'s EDID does not contain a maximum image
[ 26.052] (WW) NVIDIA(0): size; cannot compute DPI from YMH RX-V1065 (DFP-1)'s
[ 26.052] (WW) NVIDIA(0): EDID.
[ 26.052] (**) NVIDIA(0): DPI set to (101, 100); computed from "DisplaySize" Monitor
[ 26.052] (**) NVIDIA(0): section option
[ 26.052] (WW) NVIDIA(0): 32-bit ARGB GLX visuals require the Composite extension.
[ 26.052] (WW) NVIDIA(0): Disabling 32-bit ARGB GLX visuals.
[ 26.052] (--) Depth 24 pixmap format is 32 bpp
[ 26.052] (II) NVIDIA: Using 768.00 MB of virtual memory for indirect memory access.
[ 26.053] (II) NVIDIA(0): Initialized GPU GART.
[ 26.082] (II) NVIDIA(0): Setting mode "pan1080p50"
It seems it is important in which order I switch things on, but I can live with that.

BTW after removing the connection between the receiver and TV and plugging it back in things stay the same. I tried various combinations with the mac mini still on and switching off and on the receiver and / or TV. The receiver kept being listed a the connected device.
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