Pi 0-3 have no deep colour support and only 24bpp output,
so max_bpc should remain as 8, and no HDR metadata property
should be registered.
Fixes: ba8c0faebbb0 ("drm/vc4: hdmi: Enable 10/12 bpc output")
Signed-off-by: Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 62b82b1eeb36..6ebcc38be291 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -640,6 +640,11 @@ static int vc4_hdmi_connector_init(struct drm_device *dev,
if (ret)
return ret;
+ if (vc4_hdmi->variant->supports_hdr)
+ drm_connector_attach_max_bpc_property(connector, 8, 12);
+ else
+ drm_connector_attach_max_bpc_property(connector, 8, 8);
+
drm_connector_attach_encoder(connector, encoder);
return 0;
--
2.34.1
