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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Jani Nikula <jani.nikula@linux.intel.com>,
        Clint Taylor <clinton.a.taylor@intel.com>,
        Jani Nikula <jani.nikula@intel.com>,
        Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Subject: [PATCH 4.4 160/160] drm/i915/hdmi: Add HDMI 2.0 audio clock recovery N values
Date:   Mon, 19 Nov 2018 17:29:59 +0100
Message-Id: <20181119162644.562294266@linuxfoundation.org>
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4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Clint Taylor <clinton.a.taylor@intel.com>

commit 6503493145cba4413ecd3d4d153faeef4a1e9b85 upstream.

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
(cherry picked from commit 5a400aa3c562c4a726b4da286e63c96db905ade1)
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/i915/intel_audio.c |   17 +++++++++++++++++
 1 file changed, 17 insertions(+)

--- a/drivers/gpu/drm/i915/intel_audio.c
+++ b/drivers/gpu/drm/i915/intel_audio.c
@@ -76,6 +76,9 @@ 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;
@@ -96,6 +99,20 @@ 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 */