Hi @Jani Nikula > -----Original Message----- > From: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > Sent: 29 June 2023 13:43 > To: Golani, Mitulkumar Ajitkumar <mitulkumar.ajitkumar.golani@xxxxxxxxx>; > intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [RFC 0/3] Get optimal audio frequency and channels > > On Wed, 28 Jun 2023, Mitul Golani <mitulkumar.ajitkumar.golani@xxxxxxxxx> > wrote: > > Currently we do not check if there is enough bandwidth for audio, and > > what channels and freq it can really support. > > Also sometimes there can be HW constraints e.g. GLK where audio > > channels supported are only 2. > > Why are you sending this so many times? What are the changes between the > versions? People lose track. > > BR, > Jani. Due to Indentations got off while fixing one of the comments from different editor. Check patch would have failed. >From next revision onwards, I will add revision tag to cover letter for better tracking. Please review latest revision in this patch series. Thanks, Mitul > > > > > https://patchwork.freedesktop.org/series/107647/ > > > > Obtain the optimal audio rate and channel based on available display > > timing constraints. > > > > This can be achieved by: > > - Retrieve the supported channel and rate information from SADs > > - Adding audio-related config parameters in the CRTC state, such as > > audio support, rate, and channel. > > - Initializing the audio config parameters with the maximum supported > > rate and channel by the audio source. > > - Computing the SADs based on the audio source's capabilities. > > > > Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@xxxxxxxxx> > > > > Mitul Golani (3): > > drm/i915: Add has_audio to separate audio parameter in crtc_state > > drm/i915/display: Configure and initialize HDMI audio capabilities > > drm/i915/display: Add wrapper to Compute SAD > > > > drivers/gpu/drm/i915/display/g4x_dp.c | 4 +- > > drivers/gpu/drm/i915/display/g4x_hdmi.c | 16 +-- > > drivers/gpu/drm/i915/display/intel_audio.c | 115 +++++++++++++++++- > > drivers/gpu/drm/i915/display/intel_cdclk.c | 6 +- > > .../drm/i915/display/intel_crtc_state_dump.c | 4 +- > > drivers/gpu/drm/i915/display/intel_ddi.c | 2 +- > > drivers/gpu/drm/i915/display/intel_display.c | 4 +- > > .../drm/i915/display/intel_display_types.h | 12 +- > > drivers/gpu/drm/i915/display/intel_dp.c | 2 +- > > drivers/gpu/drm/i915/display/intel_dp_mst.c | 2 +- > > drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +- > > drivers/gpu/drm/i915/display/intel_sdvo.c | 10 +- > > 12 files changed, 147 insertions(+), 32 deletions(-) > > -- > Jani Nikula, Intel Open Source Graphics Center