amdgpu's dce_vX_0_afmt_setmode(): why so different from radeon's

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Alexandre Demers
> Sent: Monday, August 22, 2016 11:29 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: Alexander Deucher; Christian König
> Subject: amdgpu's dce_vX_0_afmt_setmode(): why so different from
> radeon's
> 
> While looking at dce_v8_0_afmt_setmode(), I was thinking how crammed it
> was and how unintuitive it looked. I compared it to its radeon
> counterpart and I realized how readable this last one was. I had a look
> at the other dce_vX_0_afmt_setmode() under amdgpu and they all look
> alike.
> 
> Can somebody  explain why the amdgpu's side just includes everything in
> dce_vX_0_afmt_setmode() instead of having a nicely structured and
> readable presentation as it is under radeon?
> 
> I'm trying to structure the thing a bit more like the radeon's side for
> dce6, but their are some differences in the step order and even a few
> more registry read and write calls. Any clue will be welcomed.

Audio support was never implemented in amdgpu.  You need to use DAL for audio support in amdgpu.  Radeon supports audio.

Alex

> 
> Cheers.
> 
> --
> Alexandre Demers
> 
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