On Tue, 2020-05-12 at 20:41 +0300, Ville Syrjala wrote:
> From: Ville Syrjälä
>
> IBX supports vswing level 3 and pre-emphasis level 3. Don't
> limit it to level 2 for those.
Matches
https://01.org/linuxgraphics/documentation/driver-documentation-prms/2010-intel-core-processor-family
Reviewed-by: José Roberto de Souza <
jose.so...@intel.com>
>
> Signed-off-by: Ville Syrjälä
> ---
> drivers/gpu/drm/i915/display/intel_dp.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_dp.c
> b/drivers/gpu/drm/i915/display/intel_dp.c
> index 7541264ff4e9..0924e041e1bf 100644
> --- a/drivers/gpu/drm/i915/display/intel_dp.c
> +++ b/drivers/gpu/drm/i915/display/intel_dp.c
> @@ -3958,7 +3958,7 @@ intel_dp_voltage_max(struct intel_dp *intel_dp)
> if (HAS_DDI(dev_priv))
> return intel_ddi_dp_voltage_max(encoder);
> else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv) ||
> - (HAS_PCH_CPT(dev_priv) && port != PORT_A))
> + (HAS_PCH_SPLIT(dev_priv) && port != PORT_A))
> return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
> else if (IS_IVYBRIDGE(dev_priv) && port == PORT_A)
> return DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
> @@ -3976,7 +3976,7 @@ intel_dp_pre_emphasis_max(struct intel_dp *intel_dp, u8
> voltage_swing)
> if (HAS_DDI(dev_priv)) {
> return intel_ddi_dp_pre_emphasis_max(encoder, voltage_swing);
> } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv) ||
> -(HAS_PCH_CPT(dev_priv) && port != PORT_A)) {
> +(HAS_PCH_SPLIT(dev_priv) && port != PORT_A)) {
> switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
> case DP_TRAIN_VOLTAGE_SWING_LEVEL_0:
> return DP_TRAIN_PRE_EMPH_LEVEL_3;
___
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