MST ports did not had the post_pll_disable() hook causing the
references get in pre_pll_enable() never being released causing
DDI and AUX CH being enabled all the times.
Cc: Imre Deak <imre.deak@xxxxxxxxx>
Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_dp_mst.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
index 8b71d64ebd9d..8e3d0b04580b 100644
--- a/drivers/gpu/drm/i915/intel_dp_mst.c
+++ b/drivers/gpu/drm/i915/intel_dp_mst.c
@@ -215,6 +215,20 @@ static void intel_mst_pre_pll_enable_dp(struct intel_encoder *encoder,
pipe_config, NULL);
}
+static void intel_mst_post_pll_disable_dp(struct intel_encoder *encoder,
+ const struct intel_crtc_state *pipe_config,
+ const struct drm_connector_state *conn_state)
+{
+ struct intel_dp_mst_encoder *intel_mst = enc_to_mst(&encoder->base);
+ struct intel_digital_port *intel_dig_port = intel_mst->primary;
+ struct intel_dp *intel_dp = &intel_dig_port->dp;
+
+ if (intel_dp->active_mst_links == 0 &&
+ intel_dig_port->base.post_pll_disable)
+ intel_dig_port->base.post_pll_disable(&intel_dig_port->base,
+ pipe_config, NULL);
+}
+
static void intel_mst_pre_enable_dp(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
@@ -549,6 +563,7 @@ intel_dp_create_fake_mst_encoder(struct intel_digital_port *intel_dig_port, enum
intel_encoder->disable = intel_mst_disable_dp;
intel_encoder->post_disable = intel_mst_post_disable_dp;
intel_encoder->pre_pll_enable = intel_mst_pre_pll_enable_dp;
+ intel_encoder->post_pll_disable = intel_mst_post_pll_disable_dp;
intel_encoder->pre_enable = intel_mst_pre_enable_dp;
intel_encoder->enable = intel_mst_enable_dp;
intel_encoder->get_hw_state = intel_dp_mst_enc_get_hw_state;
--
2.19.1
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