[OEM-5.14/Jammy][PATCH 1/1] drm/i915: update new TMDS clock setting defined by VBT

[Aaron Ma]

From: Lee Shawn C <shawn.c.lee at intel.com>

BugLink: https://bugs.launchpad.net/bugs/1976214

VBT 249 update to support more TMDS clock rate 3.00G, 3.40G
and 5.94G. Refer to this new definition to configure max
TMDS clock rate for HDMI driver.

BSpec: 20124

v2: new subject

Cc: Jani Nikula <jani.nikula at linux.intel.com>
Cc: Ville Syrjala <ville.syrjala at linux.intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal at intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee at intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303083802.5071-1-shawn.c.lee@intel.com
(backported from commit 5708fe0db0edfaaf6ef83106a4404bc102afe129)
Signed-off-by: Aaron Ma <aaron.ma at canonical.com>
---
 drivers/gpu/drm/i915/display/intel_bios.c     | 9 +++++++++
 drivers/gpu/drm/i915/display/intel_vbt_defs.h | 3 +++
 2 files changed, 12 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 32d5a556b7eac..bbc32a1276e96 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -2013,6 +2013,15 @@ static void parse_ddi_port(struct drm_i915_private *i915,
 		case HDMI_MAX_DATA_RATE_PLATFORM:
 			max_tmds_clock = 0;
 			break;
+		case HDMI_MAX_DATA_RATE_594:
+			max_tmds_clock = 594000;
+			break;
+		case HDMI_MAX_DATA_RATE_340:
+			max_tmds_clock = 340000;
+			break;
+		case HDMI_MAX_DATA_RATE_300:
+			max_tmds_clock = 300000;
+			break;
 		case HDMI_MAX_DATA_RATE_297:
 			max_tmds_clock = 297000;
 			break;
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index a2108a8f544d8..f8adfb8559ee6 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -307,6 +307,9 @@ struct bdb_general_features {
 #define HDMI_MAX_DATA_RATE_PLATFORM	0			/* 204 */
 #define HDMI_MAX_DATA_RATE_297		1			/* 204 */
 #define HDMI_MAX_DATA_RATE_165		2			/* 204 */
+#define HDMI_MAX_DATA_RATE_594		3			/* 249 */
+#define HDMI_MAX_DATA_RATE_340		4			/* 249 */
+#define HDMI_MAX_DATA_RATE_300		5			/* 249 */
 
 #define LEGACY_CHILD_DEVICE_CONFIG_SIZE		33
 
-- 
2.34.1