Re: [PATCH v4 0/5] Add support for Legacy HDMI audio drivers

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On Fri, 20 Jan 2017 23:22:27 +0100,
Jerome Anand wrote:
> 
> Legacy (CherryTrail/ Baytrail) HDMI audio drivers added
> Legacy hdmi audio-Gfx interaction/ interfacing is updated to use 
> irq chip framework
> 
> This patch series has only been tested on hardware with 
> a single HDMI connector/pipe and additional work may be needed for newer 
> machines with 2 connectors
> 
> Jerome Anand (5):
>   drm/i915: setup bridge for HDMI LPE audio driver
>   drm/i915: Add support for audio driver notifications
>   ALSA: add Intel HDMI LPE audio driver for BYT/CHT-T
>   ALSA: x86: hdmi: Add audio support for BYT and CHT
>   ALSA: x86: hdmi: continue playback even when display resolution
>     changes

I can merge the audio part and do cleanups later.  This would be
better than spinning forever in ML.  It's a stand-alone driver, and
people can test it out at least more easily.  But still I need ACKs
for the changes in drm/i915.

Daniel, Jani, could you guys take a look at the first two patches?

I know it's no ideal solution, and I'd love to avoid the double
standards for audio-video communication, too.  OTOH, it's a small
portion and the API usage is pretty limited, hence we may unify /
cleanup the interface later, too.


thanks,

Takashi

> 
>  Documentation/gpu/i915.rst             |    9 +
>  drivers/gpu/drm/i915/Makefile          |    3 +
>  drivers/gpu/drm/i915/i915_drv.c        |    8 +-
>  drivers/gpu/drm/i915/i915_drv.h        |   17 +
>  drivers/gpu/drm/i915/i915_irq.c        |   16 +
>  drivers/gpu/drm/i915/i915_reg.h        |    3 +
>  drivers/gpu/drm/i915/intel_audio.c     |    8 +
>  drivers/gpu/drm/i915/intel_hdmi.c      |    1 +
>  drivers/gpu/drm/i915/intel_lpe_audio.c |  388 +++++++
>  include/drm/intel_lpe_audio.h          |   46 +
>  sound/Kconfig                          |    2 +
>  sound/Makefile                         |    2 +-
>  sound/x86/Kconfig                      |   15 +
>  sound/x86/Makefile                     |    6 +
>  sound/x86/intel_hdmi_audio.c           | 1870 ++++++++++++++++++++++++++++++++
>  sound/x86/intel_hdmi_audio.h           |  197 ++++
>  sound/x86/intel_hdmi_audio_if.c        |  551 ++++++++++
>  sound/x86/intel_hdmi_lpe_audio.c       |  617 +++++++++++
>  sound/x86/intel_hdmi_lpe_audio.h       |  683 ++++++++++++
>  19 files changed, 4439 insertions(+), 3 deletions(-)
>  create mode 100644 drivers/gpu/drm/i915/intel_lpe_audio.c
>  create mode 100644 include/drm/intel_lpe_audio.h
>  create mode 100644 sound/x86/Kconfig
>  create mode 100644 sound/x86/Makefile
>  create mode 100644 sound/x86/intel_hdmi_audio.c
>  create mode 100644 sound/x86/intel_hdmi_audio.h
>  create mode 100644 sound/x86/intel_hdmi_audio_if.c
>  create mode 100644 sound/x86/intel_hdmi_lpe_audio.c
>  create mode 100644 sound/x86/intel_hdmi_lpe_audio.h
> 
> -- 
> 2.9.3
> 
> base-commit: eb5c556a1e5eff388e48e4b7cf61e95783019e83
> 
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