-----Original Message-----
From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of José Roberto de Souza
Sent: 29 September 2020 01:33
To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx
Subject: [PATCH v2] drm/i915/display/ehl: Limit eDP to HBR2
Recent update in documentation defeatured eDP HBR3 for EHL and JSL.
v2:
- Remove dead code in ehl_get_combo_buf_trans()
BSpec: 32247
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Cc: Vidya Srinivas <vidya.srinivas@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 9 ++------- drivers/gpu/drm/i915/display/intel_dp.c | 11 ++++++++++-
2 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 4d06178cd76c..ef06b7b82be9 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -1082,13 +1082,8 @@ ehl_get_combo_buf_trans(struct intel_encoder *encoder, int type, int rate,
return icl_combo_phy_ddi_translations_hdmi;
case INTEL_OUTPUT_EDP:
if (dev_priv->vbt.edp.low_vswing) {
- if (rate > 540000) {
- *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr3);
- return icl_combo_phy_ddi_translations_edp_hbr3;
- } else {
- *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr2);
- return icl_combo_phy_ddi_translations_edp_hbr2;
- }
+ *n_entries = ARRAY_SIZE(icl_combo_phy_ddi_translations_edp_hbr2);
+ return icl_combo_phy_ddi_translations_edp_hbr2;
As pe Bspec, ehl_edp_hbr2 does not match with icl_edp_hbr2 values. Rather I see (icl_edp_hbr2 == ehl_edp_hbr) true.
Thanks,
Tejas
}
/* fall through */
default:
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 54a4b81ea3ff..96d2c76772d6 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -277,13 +277,20 @@ static int icl_max_source_rate(struct intel_dp *intel_dp)
enum phy phy = intel_port_to_phy(dev_priv, dig_port->base.port);
if (intel_phy_is_combo(dev_priv, phy) &&
- !IS_ELKHARTLAKE(dev_priv) &&
!intel_dp_is_edp(intel_dp))
return 540000;
return 810000;
}
+static int ehl_max_source_rate(struct intel_dp *intel_dp) {
+ if (intel_dp_is_edp(intel_dp))
+ return 540000;
+
+ return 810000;
+}
+
static void
intel_dp_set_source_rates(struct intel_dp *intel_dp) { @@ -318,6 +325,8 @@ intel_dp_set_source_rates(struct intel_dp *intel_dp)
size = ARRAY_SIZE(cnl_rates);
if (IS_GEN(dev_priv, 10))
max_rate = cnl_max_source_rate(intel_dp);
+ else if (IS_ELKHARTLAKE(dev_priv))
+ max_rate = ehl_max_source_rate(intel_dp);
else
max_rate = icl_max_source_rate(intel_dp);
} else if (IS_GEN9_LP(dev_priv)) {
--
2.28.0
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