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drm/i915/ehl: Support HBR3 on EHL combo PHY 

Unlike ICL, EHL's combo PHYs can support HBR3 data rates.  Note that
this just extends the upper limit; we will continue to honor the max
data rate specified in the VBT in cases where it is lower than HBR3.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190605211832.23945-1-matthew.d.roper@intel.com
Reviewed-by: Manasi Navare <manasi.d.navare@intel.com>
This commit is contained in:
Matt Roper 2019-06-05 14:18:32 -07:00
parent 2c1c552526
commit b714386063
1 changed files with 1 additions and 0 deletions
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1
drivers/gpu/drm/i915/intel_dp.c
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@ -332,6 +332,7 @@ static int icl_max_source_rate(struct intel_dp *intel_dp)
enum port port = dig_port->base.port;
if (intel_port_is_combophy(dev_priv, port) &&
!IS_ELKHARTLAKE(dev_priv) &&
!intel_dp_is_edp(intel_dp))
return 540000;