From: Manasi Navare Date: Mon, 21 May 2018 17:25:41 -0700 Subject: drm/i915/icl: Add DDI HDMI level selection for ICL Git-commit: dccc7228b5de7658f79ad0074a57a8798462c533 Patch-mainline: v4.19-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 This patch adds a proper HDMI DDI entry level for vswing programming sequences on ICL. Spec doesn't specify any default for HDMI tables, so let's pick the last entry as the default for now to stay consistent with older platform like CNL. Cc: Rakshmi Bhatia Cc: Rodrigo Vivi Reviewed-by: Lucas De Marchi Signed-off-by: Manasi Navare Signed-off-by: Paulo Zanoni Link: https://patchwork.freedesktop.org/patch/msgid/20180522002558.29262-8-paulo.r.zanoni@intel.com Acked-by: Petr Tesarik --- drivers/gpu/drm/i915/intel_ddi.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -915,7 +915,14 @@ static int intel_ddi_hdmi_level(struct d level = dev_priv->vbt.ddi_port_info[port].hdmi_level_shift; - if (IS_CANNONLAKE(dev_priv)) { + if (IS_ICELAKE(dev_priv)) { + if (port == PORT_A || port == PORT_B) + icl_get_combo_buf_trans(dev_priv, port, + INTEL_OUTPUT_HDMI, &n_entries); + else + n_entries = ARRAY_SIZE(icl_mg_phy_ddi_translations); + default_entry = n_entries - 1; + } else if (IS_CANNONLAKE(dev_priv)) { cnl_get_buf_trans_hdmi(dev_priv, &n_entries); default_entry = n_entries - 1; } else if (IS_GEN9_LP(dev_priv)) {