[Bug 46713] HDMI audio played back at a wrong rate

Tue Mar 13 12:04:19 PDT 2012

https://bugs.freedesktop.org/show_bug.cgi?id=46713

--- Comment #16 from Rafał Miłecki <zajec5 at gmail.com> 2012-03-13 12:04:19 PDT ---
Tvrtko: thanks a lot for your effort and dumps coming from fglrx.

What I can say now: it seems fglrx is using the same registers
(EVERGREEN_AUDIO_PLL1_MUL and EVERGREEN_AUDIO_PLL1_DIV) for your card.

However:
1) radeon uses 480'000 for MUL
2) fglrx uses 960'000 for MUL

On the other hand fglrx uses 0x72 instead of 0x71 for EVERGREEN_AUDIO_PLL1_UNK.
Maybe that 0x2 is some DIV? Maybe it tells GPU to take 960'000 and divide it by
2?

I've to investigate meaning of the register, but you gave me a track to follow,
thanks a lot for your effors! I'll take a look on that after my vacations (next
week).

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