diff options
| author |   Animesh Manna <animesh.manna@intel.com> | 2021-09-01 21:34:00 +0530 |
|---|---|---|
| committer |   Imre Deak <imre.deak@intel.com> | 2021-09-02 15:42:50 +0300 |
| commit | 8ee8167771da66558cd71c8b59afd2a47160333f (patch) | |
| tree | 750d90acd3c6deff6f1bcf8169c5ffe7de3bc882 | |
| parent | drm/i915/dp: fix TGL and ICL max source rates (diff) | |
drm/i915/dp: fix EHL/JSL max source rates calculation
Only higher voltage sku can support HBR3 so a condition
check added in max source rate calculation for ehl/jsl.
Bspec: 32247, 20598
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Imre Deak <imre.deak@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210901160402.24816-4-animesh.manna@intel.com
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 025ba35a2583..5aabd8ec1015 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -315,7 +315,11 @@ static int icl_max_source_rate(struct intel_dp *intel_dp) static int ehl_max_source_rate(struct intel_dp *intel_dp) { - if (intel_dp_is_edp(intel_dp)) + struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp); + struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); + enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port); + + if (intel_dp_is_edp(intel_dp) || is_low_voltage_sku(dev_priv, phy)) return 540000; return 810000; |