From: Manasi Navare <manasi.d.navare@intel.com>
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 <rakshmi.bhatia@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180522002558.29262-8-paulo.r.zanoni@intel.com
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
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)) {