On Fri, Mar 08, 2019 at 09:24:05PM +0200, Ville Syrjala wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Add the "Broadcast RGB" property to MST connectors, and implement > the same logic for it as we have in the SST code. > > Cc: Ivan Vlk <ari@xxxxxxxxxx> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108821 Tested-by: Ivan Vlk <ari@xxxxxxxxxx> review needed... > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_dp_mst.c | 29 +++++++++++++++++++++++++++-- > 1 file changed, 27 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c > index fb67cd931117..2b791d67a43f 100644 > --- a/drivers/gpu/drm/i915/intel_dp_mst.c > +++ b/drivers/gpu/drm/i915/intel_dp_mst.c > @@ -38,6 +38,8 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, > struct intel_digital_port *intel_dig_port = intel_mst->primary; > struct intel_dp *intel_dp = &intel_dig_port->dp; > struct drm_connector *connector = conn_state->connector; > + struct intel_digital_connector_state *intel_conn_state = > + to_intel_digital_connector_state(conn_state); > void *port = to_intel_connector(connector)->port; > struct drm_atomic_state *state = pipe_config->base.state; > struct drm_crtc *crtc = pipe_config->base.crtc; > @@ -77,6 +79,21 @@ static int intel_dp_mst_compute_config(struct intel_encoder *encoder, > if (drm_dp_mst_port_has_audio(&intel_dp->mst_mgr, port)) > pipe_config->has_audio = true; > > + if (intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_AUTO) { > + /* > + * See: > + * CEA-861-E - 5.1 Default Encoding Parameters > + * VESA DisplayPort Ver.1.2a - 5.1.1.1 Video Colorimetry > + */ > + pipe_config->limited_color_range = > + pipe_config->pipe_bpp != 18 && > + drm_default_rgb_quant_range(adjusted_mode) == > + HDMI_QUANTIZATION_RANGE_LIMITED; > + } else { > + pipe_config->limited_color_range = > + intel_conn_state->broadcast_rgb == INTEL_BROADCAST_RGB_LIMITED; > + } > + > mst_pbn = drm_dp_calc_pbn_mode(adjusted_mode->crtc_clock, bpp); > pipe_config->pbn = mst_pbn; > > @@ -117,7 +134,11 @@ intel_dp_mst_atomic_check(struct drm_connector *connector, > struct drm_crtc *new_crtc = new_conn_state->crtc; > struct drm_crtc_state *crtc_state; > struct drm_dp_mst_topology_mgr *mgr; > - int ret = 0; > + int ret; > + > + ret = intel_digital_connector_atomic_check(connector, new_conn_state); > + if (ret) > + return ret; > > if (!old_conn_state->crtc) > return 0; > @@ -354,11 +375,13 @@ intel_dp_mst_detect(struct drm_connector *connector, bool force) > static const struct drm_connector_funcs intel_dp_mst_connector_funcs = { > .detect = intel_dp_mst_detect, > .fill_modes = drm_helper_probe_single_connector_modes, > + .atomic_get_property = intel_digital_connector_atomic_get_property, > + .atomic_set_property = intel_digital_connector_atomic_set_property, > .late_register = intel_connector_register, > .early_unregister = intel_connector_unregister, > .destroy = intel_connector_destroy, > .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, > - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, > + .atomic_duplicate_state = intel_digital_connector_duplicate_state, > }; > > static int intel_dp_mst_get_modes(struct drm_connector *connector) > @@ -487,6 +510,8 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo > if (ret) > goto err; > > + intel_attach_broadcast_rgb_property(connector); > + > return connector; > > err: > -- > 2.19.2 -- Ville Syrjälä Intel _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
