On Thu, Oct 13, 2022 at 10:41:24AM +0530, Ankit Nautiyal wrote: > Defeature Display Interlace support. > Support for Interlace modes is removed from Gen 12 onwards. > For DP we do not support interlace modes (except for very old > platforms).
Yes we do. Specifically G4X/VLV/CHV do not support it, everything else does. > Pruning the interlaced modes for HDMI for Display >=12. > Bspec: 50490 The tagging there seems borked. Only ADLS shows it as not supported. > > Signed-off-by: Ankit Nautiyal <ankit.k.nauti...@intel.com> > --- > drivers/gpu/drm/i915/display/intel_hdmi.c | 11 ++++++++++- > 1 file changed, 10 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c > b/drivers/gpu/drm/i915/display/intel_hdmi.c > index 93519fb23d9d..791bfb062c49 100644 > --- a/drivers/gpu/drm/i915/display/intel_hdmi.c > +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c > @@ -1990,6 +1990,9 @@ intel_hdmi_mode_valid(struct drm_connector *connector, > if (mode->flags & DRM_MODE_FLAG_DBLSCAN) > return MODE_NO_DBLESCAN; > > + if (DISPLAY_VER(dev_priv) >= 12 && mode->flags & > DRM_MODE_FLAG_INTERLACE) > + return MODE_NO_INTERLACE; > + These are pointless if the connector doesn't declare interlace_allowed anyway. > if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == > DRM_MODE_FLAG_3D_FRAME_PACKING) > clock *= 2; > > @@ -2247,6 +2250,10 @@ int intel_hdmi_compute_config(struct intel_encoder > *encoder, > if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN) > return -EINVAL; > > + if (DISPLAY_VER(dev_priv) >= 12 && > + adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) > + return -EINVAL; > + > pipe_config->output_format = INTEL_OUTPUT_FORMAT_RGB; > pipe_config->has_hdmi_sink = intel_has_hdmi_sink(intel_hdmi, > conn_state); > @@ -2956,7 +2963,9 @@ void intel_hdmi_init_connector(struct > intel_digital_port *dig_port, > ddc); > drm_connector_helper_add(connector, &intel_hdmi_connector_helper_funcs); > > - connector->interlace_allowed = true; > + if (DISPLAY_VER(dev_priv) < 12) > + connector->interlace_allowed = true; > + > connector->stereo_allowed = true; > > if (DISPLAY_VER(dev_priv) >= 10) > -- > 2.25.1 -- Ville Syrjälä Intel
