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drm/i915/audio: Add 810 MHz clock entries to dp_aud_n_m table 

Expand the Maud/Naud table according to DP 1.4 spec to include entries for
810 MHz clock. This is required for audio to work with HBR3.

Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180607192013.25872-1-radhakrishna.sripada@intel.com
hifive-unleashed-5.1
Radhakrishna Sripada 2018-06-07 12:20:13 -07:00 committed by Jani Nikula
parent e364672477
commit 58884bbc7c
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/i915/intel_audio.c
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@ -59,6 +59,7 @@
*/
/* DP N/M table */
#define LC_810M 810000
#define LC_540M 540000
#define LC_270M 270000
#define LC_162M 162000
@ -99,6 +100,15 @@ static const struct dp_aud_n_m dp_aud_n_m[] = {
{ 128000, LC_540M, 4096, 33750 },
{ 176400, LC_540M, 3136, 18750 },
{ 192000, LC_540M, 2048, 11250 },
{ 32000, LC_810M, 1024, 50625 },
{ 44100, LC_810M, 784, 28125 },
{ 48000, LC_810M, 512, 16875 },
{ 64000, LC_810M, 2048, 50625 },
{ 88200, LC_810M, 1568, 28125 },
{ 96000, LC_810M, 1024, 16875 },
{ 128000, LC_810M, 4096, 50625 },
{ 176400, LC_810M, 3136, 28125 },
{ 192000, LC_810M, 2048, 16875 },
};
static const struct dp_aud_n_m *