> -----Original Message----- > From: Intel-gfx <intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Imre > Deak > Sent: Tuesday, January 23, 2024 3:59 PM > To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Subject: [PATCH 14/19] drm/i915/dp: Compute DP tunel BW during encoder state > computation > > Compute the BW required through a DP tunnel on links with such tunnels > detected and add the corresponding atomic state during a modeset. Looks good to me. Reviewed-by: Uma Shankar <uma.shankar@xxxxxxxxx> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 16 +++++++++++++--- > drivers/gpu/drm/i915/display/intel_dp_mst.c | 13 +++++++++++++ > 2 files changed, 26 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c > b/drivers/gpu/drm/i915/display/intel_dp.c > index 78dfe8be6031d..6968fdb7ffcdf 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -2880,6 +2880,7 @@ intel_dp_compute_config(struct intel_encoder > *encoder, > struct drm_connector_state *conn_state) { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > + struct intel_atomic_state *state = > +to_intel_atomic_state(conn_state->state); > struct drm_display_mode *adjusted_mode = &pipe_config- > >hw.adjusted_mode; > struct intel_dp *intel_dp = enc_to_intel_dp(encoder); > const struct drm_display_mode *fixed_mode; @@ -2980,6 +2981,9 @@ > intel_dp_compute_config(struct intel_encoder *encoder, > intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state); > intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, > conn_state); > > + intel_dp_tunnel_atomic_compute_stream_bw(state, intel_dp, connector, > + pipe_config); > + > return 0; > } > > @@ -6087,6 +6091,15 @@ static int intel_dp_connector_atomic_check(struct > drm_connector *conn, > return ret; > } > > + if (!intel_connector_needs_modeset(state, conn)) > + return 0; > + > + ret = intel_dp_tunnel_atomic_check_state(state, > + intel_dp, > + intel_conn); > + if (ret) > + return ret; > + > /* > * We don't enable port sync on BDW due to missing w/as and > * due to not having adjusted the modeset sequence appropriately. > @@ -6094,9 +6107,6 @@ static int intel_dp_connector_atomic_check(struct > drm_connector *conn, > if (DISPLAY_VER(dev_priv) < 9) > return 0; > > - if (!intel_connector_needs_modeset(state, conn)) > - return 0; > - > if (conn->has_tile) { > ret = intel_modeset_tile_group(state, conn->tile_group->id); > if (ret) > diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c > b/drivers/gpu/drm/i915/display/intel_dp_mst.c > index 520393dc8b453..cbfab3173b9ef 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c > @@ -42,6 +42,7 @@ > #include "intel_dp.h" > #include "intel_dp_hdcp.h" > #include "intel_dp_mst.h" > +#include "intel_dp_tunnel.h" > #include "intel_dpio_phy.h" > #include "intel_hdcp.h" > #include "intel_hotplug.h" > @@ -523,6 +524,7 @@ static int intel_dp_mst_compute_config(struct > intel_encoder *encoder, > struct drm_connector_state *conn_state) { > struct drm_i915_private *dev_priv = to_i915(encoder->base.dev); > + struct intel_atomic_state *state = > +to_intel_atomic_state(conn_state->state); > struct intel_dp_mst_encoder *intel_mst = enc_to_mst(encoder); > struct intel_dp *intel_dp = &intel_mst->primary->dp; > const struct intel_connector *connector = @@ -619,6 +621,9 @@ static > int intel_dp_mst_compute_config(struct intel_encoder *encoder, > > intel_psr_compute_config(intel_dp, pipe_config, conn_state); > > + intel_dp_tunnel_atomic_compute_stream_bw(state, intel_dp, connector, > + pipe_config); > + > return 0; > } > > @@ -876,6 +881,14 @@ intel_dp_mst_atomic_check(struct drm_connector > *connector, > if (ret) > return ret; > > + if (intel_connector_needs_modeset(state, connector)) { > + ret = intel_dp_tunnel_atomic_check_state(state, > + intel_connector- > >mst_port, > + intel_connector); > + if (ret) > + return ret; > + } > + > return drm_dp_atomic_release_time_slots(&state->base, > &intel_connector->mst_port- > >mst_mgr, > intel_connector->port); > -- > 2.39.2