[Intel-gfx] [PATCH] drm/i915/ehl: Support HBR3 on EHL combo PHY

Matt Roper matthew.d.roper at intel.com
Wed Jun 5 21:18:32 UTC 2019


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 at intel.com>
---
 drivers/gpu/drm/i915/intel_dp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 24b56b2a76c8..b099a9dc28fd 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -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;
 
-- 
2.14.5



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