On Fri, 05 Oct 2018, clinton.a.taylor@xxxxxxxxx wrote:
> From: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
>
> HDMI 2.0 594Mhz modes were incorrectly selecting 25.200Mhz Automatic N
> value mode instead of HDMI specification values.
>
> Signed-off-by: Clint Taylor <clinton.a.taylor@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_audio.c | 16 ++++++++++++++++
> 1 file changed, 16 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
> index 769f3f5..4b8f6f6 100644
> --- a/drivers/gpu/drm/i915/intel_audio.c
> +++ b/drivers/gpu/drm/i915/intel_audio.c
> @@ -144,6 +144,8 @@ struct dp_aud_n_m {
> /* HDMI N/CTS table */
> #define TMDS_297M 297000
> #define TMDS_296M 296703
> +#define TMDS_594M 594000
> +#define TMDS_593M 593407
> static const struct {
> int sample_rate;
> int clock;
> @@ -164,6 +166,20 @@ struct dp_aud_n_m {
> { 176400, TMDS_297M, 18816, 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 },
> + { 88200, TMDS_593M, 17836, 937500 },
> + { 88200, TMDS_594M, 9408, 990000 },
The N here should be 18816. The rest looks good.
BR,
Jani.
> + { 96000, TMDS_593M, 11648, 562500 },
> + { 96000, TMDS_594M, 12288, 594000 },
> + { 176400, TMDS_593M, 35672, 937500 },
> + { 176400, TMDS_594M, 37632, 990000 },
> + { 192000, TMDS_593M, 23296, 562500 },
> + { 192000, TMDS_594M, 24576, 594000 },
> };
>
> /* get AUD_CONFIG_PIXEL_CLOCK_HDMI_* value for mode */
--
Jani Nikula, Intel Open Source Graphics Center
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