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 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 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
