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authorManasi Navare <manasi.d.navare@intel.com>2018-05-22 03:25:41 +0300
committerPaulo Zanoni <paulo.r.zanoni@intel.com>2018-06-13 00:11:39 +0300
commitdccc7228b5de7658f79ad0074a57a8798462c533 (patch)
treed1ff19cdd4612433860b224adf67b84027b4d614
parente9e7dc4144cd6d4ba873fd506fe38bccb9dbbd85 (diff)
downloadlinux-dccc7228b5de7658f79ad0074a57a8798462c533.tar.xz
drm/i915/icl: Add DDI HDMI level selection for ICL
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
-rw-r--r--drivers/gpu/drm/i915/intel_ddi.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index b344e0fe08fd..ca73387bd596 100644
--- 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 drm_i915_private *dev_priv, enum port por
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)) {