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drm/i915/hdmi: Add HDMI 2.0 audio clock recovery N values 

HDMI 2.0 594Mhz modes were incorrectly selecting 25.200Mhz Automatic N value
mode instead of HDMI specification values.

V2: Fix 88.2 Hz N value

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1540493521-1746-2-git-send-email-clinton.a.taylor@intel.com
hifive-unleashed-5.1
Clint Taylor 2018-10-25 11:52:00 -07:00 committed by Jani Nikula
parent aef9f33b76
commit 5a400aa3c5
1 changed files with 17 additions and 0 deletions
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17
drivers/gpu/drm/i915/intel_audio.c
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@ -144,6 +144,9 @@ static const struct {
/* 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 +167,20 @@ static const struct {
{ 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, 18816, 990000 },
{ 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 */