From: Ville Syrjälä Date: Mon, 20 May 2024 16:47:32 +0000 (+0300) Subject: drm/i915: Bump max TMDS bitrate to 6 Gbps on ADL-S/ADL-P/DG2+ X-Git-Tag: v6.11-rc1~141^2~20^2~276 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2689390b4ecc27d6f0a97f24544d75bd168a21b8;p=thirdparty%2Flinux.git drm/i915: Bump max TMDS bitrate to 6 Gbps on ADL-S/ADL-P/DG2+ Bspec lists the mas TMDS bitrate as 6 Gbps on ADL-S/ADL-P/DG2. Bump our limit to match. v2: Bump for ADL-S as well (Jani) Cc: Jani Nikula Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20240520164732.3682-1-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index 0faf2afa1c09c..9ac670a40bc15 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1784,7 +1784,9 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder) struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); int max_tmds_clock, vbt_max_tmds_clock; - if (DISPLAY_VER(dev_priv) >= 10) + if (DISPLAY_VER(dev_priv) >= 13 || IS_ALDERLAKE_S(dev_priv)) + max_tmds_clock = 600000; + else if (DISPLAY_VER(dev_priv) >= 10) max_tmds_clock = 594000; else if (DISPLAY_VER(dev_priv) >= 8 || IS_HASWELL(dev_priv)) max_tmds_clock = 300000;