Enable writing of HDR metadata infoframe to panel. The data will be provid by usersapace compositors, based on blending policies and passsed to driver through a blob property.
v2: Rebase
Signed-off-by: Uma Shankar uma.shankar@intel.com --- drivers/gpu/drm/i915/intel_hdmi.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 8a1e5cb..6286c4a 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -475,6 +475,29 @@ static void intel_write_infoframe(struct intel_encoder *encoder, frame->any.type, buffer, len); }
+/* Set Dynamic Range and Mastering Infoframe */ +static void intel_hdmi_set_drm_infoframe(struct drm_encoder *encoder, + const struct intel_crtc_state + *crtc_state, + const struct drm_connector_state + *conn_state) +{ + union hdmi_infoframe frame; + struct hdr_static_metadata *hdr_metadata; + int ret; + + hdr_metadata = (struct hdr_static_metadata *) + conn_state->hdr_source_metadata_blob_ptr->data; + + ret = drm_hdmi_infoframe_set_hdr_metadata(&frame.drm, hdr_metadata); + if (ret < 0) { + DRM_ERROR("couldn't set HDR metadata in infoframe\n"); + return; + } + + intel_write_infoframe(encoder, crtc_state, &frame); +} + static void intel_hdmi_set_avi_infoframe(struct intel_encoder *encoder, const struct intel_crtc_state *crtc_state, const struct drm_connector_state *conn_state) @@ -883,6 +906,10 @@ static void hsw_set_infoframes(struct intel_encoder *encoder, intel_hdmi_set_avi_infoframe(encoder, crtc_state, conn_state); intel_hdmi_set_spd_infoframe(encoder, crtc_state); intel_hdmi_set_hdmi_infoframe(encoder, crtc_state, conn_state); + + /* Set Dynamic Range and Mastering Infoframe if supported and changed */ + if (conn_state->hdr_metadata_changed) + intel_hdmi_set_drm_infoframe(encoder, crtc_state, conn_state); }
void intel_dp_dual_mode_set_tmds_output(struct intel_hdmi *hdmi, bool enable)