[Intel-gfx] [PATCH 2/7] drm/i915: Fix ibx max vswing/preemph
Ville Syrjala
ville.syrjala at linux.intel.com
Tue May 12 17:41:40 UTC 2020
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
IBX supports vswing level 3 and pre-emphasis level 3. Don't
limit it to level 2 for those.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
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;
--
2.26.2
More information about the Intel-gfx
mailing list