Re: [PATCH v2 2/2] drm/i915/hdmi: Reorder structure to match specification

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On Thu, 25 Oct 2018, clinton.a.taylor@xxxxxxxxx wrote:
> From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
>
> reorder structure of 297, 594 N values to group Audio Sample Frequencies
> together to make updating from HDMI specification easier.

Communication is hard...

I was looking for sorting the entire table first by sample_rate
multiples, then by clock, just like in the HDMI 2.0 tables 9-5 and
on. First sample rates 32 kHz, then 44.1/88.2/176.4 kHz, then
48/96/192/384 kHz. Within each group (table), sort by TMDS rate.

> V2: Match patch 1/2 version
>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

This one doesn't need to be cc: stable.

BR,
Jani.

>
> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
> ---
>  drivers/gpu/drm/i915/intel_audio.c | 24 ++++++++++++------------
>  1 file changed, 12 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
> index ee3ca2d..47caecb 100644
> --- a/drivers/gpu/drm/i915/intel_audio.c
> +++ b/drivers/gpu/drm/i915/intel_audio.c
> @@ -153,32 +153,32 @@ struct dp_aud_n_m {
>  	int n;
>  	int cts;
>  } hdmi_aud_ncts[] = {
> -	{ 44100, TMDS_296M, 4459, 234375 },
> -	{ 44100, TMDS_297M, 4704, 247500 },
> -	{ 48000, TMDS_296M, 5824, 281250 },
> -	{ 48000, TMDS_297M, 5120, 247500 },
>  	{ 32000, TMDS_296M, 5824, 421875 },
>  	{ 32000, TMDS_297M, 3072, 222750 },
> +	{ 44100, TMDS_296M, 4459, 234375 },
> +	{ 44100, TMDS_297M, 4704, 247500 },
>  	{ 88200, TMDS_296M, 8918, 234375 },
>  	{ 88200, TMDS_297M, 9408, 247500 },
> -	{ 96000, TMDS_296M, 11648, 281250 },
> -	{ 96000, TMDS_297M, 10240, 247500 },
>  	{ 176400, TMDS_296M, 17836, 234375 },
>  	{ 176400, TMDS_297M, 18816, 247500 },
> +	{ 48000, TMDS_296M, 5824, 281250 },
> +	{ 48000, TMDS_297M, 5120, 247500 },
> +	{ 96000, TMDS_296M, 11648, 281250 },
> +	{ 96000, TMDS_297M, 10240, 247500 },
>  	{ 192000, TMDS_296M, 23296, 281250 },
>  	{ 192000, TMDS_297M, 20480, 247500 },
> -	{ 44100, TMDS_593M, 8918, 937500 },
> -	{ 44100, TMDS_594M, 9408, 990000 },
> -	{ 48000, TMDS_593M, 5824, 562500 },
> -	{ 48000, TMDS_594M, 6144, 594000 },
>  	{ 32000, TMDS_593M, 5824, 843750 },
>  	{ 32000, TMDS_594M, 3072, 445500 },
> +	{ 44100, TMDS_593M, 8918, 937500 },
> +	{ 44100, TMDS_594M, 9408, 990000 },
>  	{ 88200, TMDS_593M, 17836, 937500 },
>  	{ 88200, TMDS_594M, 18816, 990000 },
> -	{ 96000, TMDS_593M, 11648, 562500 },
> -	{ 96000, TMDS_594M, 12288, 594000 },
>  	{ 176400, TMDS_593M, 35672, 937500 },
>  	{ 176400, TMDS_594M, 37632, 990000 },
> +	{ 48000, TMDS_593M, 5824, 562500 },
> +	{ 48000, TMDS_594M, 6144, 594000 },
> +	{ 96000, TMDS_593M, 11648, 562500 },
> +	{ 96000, TMDS_594M, 12288, 594000 },
>  	{ 192000, TMDS_593M, 23296, 562500 },
>  	{ 192000, TMDS_594M, 24576, 594000 },
>  };

-- 
Jani Nikula, Intel Open Source Graphics Center



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