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.d...@intel.com> Cc: Manasi Navare <manasi.d.nav...@intel.com> Signed-off-by: José Roberto de Souza <jose.so...@intel.com> --- 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 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx