From 5708fe0db0edfaaf6ef83106a4404bc102afe129 Mon Sep 17 00:00:00 2001 From: Lee Shawn C Date: Thu, 3 Mar 2022 16:38:02 +0800 Subject: [PATCH] drm/i915: update new TMDS clock setting defined by VBT MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Cc: Ville Syrjala Cc: Ankit Nautiyal Signed-off-by: Lee Shawn C Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20220303083802.5071-1-shawn.c.lee@intel.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 --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 40b5e7ed12c20..a559a19145881 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1955,6 +1955,12 @@ 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 b9397d9363c52..e0508990df486 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -289,6 +289,9 @@ 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