Our driver while supporting HDR didn't send the proper colorimetry info in the AVI infoframe.
Let's add the property needed so that the userspace can let us know what the colorspace is supposed to be.
Signed-off-by: Maxime Ripard maxime@cerno.tech
---
Changes from v2: - Rebased on current drm-misc-next
Changes from v1: - New patch --- drivers/gpu/drm/vc4/vc4_hdmi.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index a33fa1662588..a22e17788074 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -226,7 +226,8 @@ static int vc4_hdmi_connector_atomic_check(struct drm_connector *connector, if (!crtc) return 0;
- if (!drm_connector_atomic_hdr_metadata_equal(old_state, new_state)) { + if (old_state->colorspace != new_state->colorspace || + !drm_connector_atomic_hdr_metadata_equal(old_state, new_state)) { struct drm_crtc_state *crtc_state;
crtc_state = drm_atomic_get_crtc_state(state, crtc); @@ -316,6 +317,11 @@ static int vc4_hdmi_connector_init(struct drm_device *dev, if (ret) return ret;
+ ret = drm_mode_create_hdmi_colorspace_property(connector); + if (ret) + return ret; + + drm_connector_attach_colorspace_property(connector); drm_connector_attach_tv_margin_properties(connector); drm_connector_attach_max_bpc_property(connector, 8, 12);
@@ -424,7 +430,7 @@ static void vc4_hdmi_set_avi_infoframe(struct drm_encoder *encoder) vc4_encoder->limited_rgb_range ? HDMI_QUANTIZATION_RANGE_LIMITED : HDMI_QUANTIZATION_RANGE_FULL); - + drm_hdmi_avi_infoframe_colorspace(&frame.avi, cstate); drm_hdmi_avi_infoframe_bars(&frame.avi, cstate);
vc4_hdmi_write_infoframe(encoder, &frame);