It was missing the step 7.b - "If not type-C static connection,
configure PORT_CL_DW10 Static Power Down to power up all lanes of the
DDI".
BSpec: 53339
BSpec: 49191
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
drivers/gpu/drm/i915/display/intel_ddi.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 255dc796ede5..d1c8a17fc8ea 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -3312,6 +3312,7 @@ static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state,
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
+ enum phy phy = intel_port_to_phy(dev_priv, encoder->port);
int level = intel_ddi_hdmi_level(encoder);
intel_dp_dual_mode_set_tmds_output(&dig_port->hdmi, true);
@@ -3339,6 +3340,15 @@ static void intel_ddi_pre_enable_hdmi(struct intel_atomic_state *state,
intel_ddi_enable_pipe_clock(encoder, crtc_state);
+ if (intel_phy_is_combo(dev_priv, phy)) {
+ bool lane_reversal =
+ dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL;
+
+ intel_combo_phy_power_up_lanes(dev_priv, phy, false,
+ crtc_state->lane_count,
+ lane_reversal);
+ }
+
dig_port->set_infoframes(encoder, crtc_state->has_infoframe, crtc_state,
conn_state);
}
--
2.26.2
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