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| author |   Manasi Navare <manasi.d.navare@intel.com> | 2018-05-21 17:25:41 -0700 |
|---|---|---|
| committer |   Paulo Zanoni <paulo.r.zanoni@intel.com> | 2018-06-12 14:11:39 -0700 |
| commit | dccc7228b5de7658f79ad0074a57a8798462c533 (patch) | |
| tree | d1ff19cdd4612433860b224adf67b84027b4d614 /drivers/gpu/drm | |
| parent | drm/i915/gtt: Make gen6 page directories evictable (diff) | |
| download | linux-dev-dccc7228b5de7658f79ad0074a57a8798462c533.tar.xz linux-dev-dccc7228b5de7658f79ad0074a57a8798462c533.zip | |
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
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ddi.c | 9 |
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)) { |