diff mbox series

[OEM-5.17,1/1] drm/i915: update new TMDS clock setting defined by VBT

Message ID 20220530060110.584380-3-aaron.ma@canonical.com
State New
Headers show
Series [OEM-5.14/Jammy,1/1] drm/i915: update new TMDS clock setting defined by VBT | expand

Commit Message

Aaron Ma May 30, 2022, 6:01 a.m. UTC 
From: Lee Shawn C <shawn.c.lee@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@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220303083802.5071-1-shawn.c.lee@intel.com
(cherry picked from commit 5708fe0db0edfaaf6ef83106a4404bc102afe129)
Signed-off-by: Aaron Ma <aaron.ma@canonical.com>
---
 drivers/gpu/drm/i915/display/intel_bios.c     | 6 ++++++
 drivers/gpu/drm/i915/display/intel_vbt_defs.h | 3 +++
 2 files changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 9d989c9f5da45..5d97a251d3dca 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -1968,6 +1968,12 @@  static int _intel_bios_max_tmds_clock(const struct intel_bios_encoder_data *devd
 		fallthrough;
 	case HDMI_MAX_DATA_RATE_PLATFORM:
 		return 0;
+	case HDMI_MAX_DATA_RATE_594:
+		return 594000;
+	case HDMI_MAX_DATA_RATE_340:
+		return 340000;
+	case HDMI_MAX_DATA_RATE_300:
+		return 300000;
 	case HDMI_MAX_DATA_RATE_297:
 		return 297000;
 	case HDMI_MAX_DATA_RATE_165:
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index f043d85ba64d1..e8f99ba4e7726 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