This patch enables modeset whenever HDR metadata needs to be updated to sink.
Signed-off-by: Ville Syrjälä ville.syrjala@linux.intel.com Signed-off-by: Uma Shankar uma.shankar@intel.com --- drivers/gpu/drm/i915/intel_atomic.c | 15 ++++++++++++++- drivers/gpu/drm/i915/intel_hdmi.c | 4 ++++ 2 files changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 8cb02f2..72c3fcb 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -101,6 +101,16 @@ int intel_digital_connector_atomic_set_property(struct drm_connector *connector, return -EINVAL; }
+static bool blob_equal(const struct drm_property_blob *a, + const struct drm_property_blob *b) +{ + if (a && b) + return a->length == b->length && + !memcmp(a->data, b->data, a->length); + + return !a == !b; +} + int intel_digital_connector_atomic_check(struct drm_connector *conn, struct drm_connector_state *new_state) { @@ -127,7 +137,10 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn, new_conn_state->broadcast_rgb != old_conn_state->broadcast_rgb || new_conn_state->base.picture_aspect_ratio != old_conn_state->base.picture_aspect_ratio || new_conn_state->base.content_type != old_conn_state->base.content_type || - new_conn_state->base.scaling_mode != old_conn_state->base.scaling_mode) + new_conn_state->base.scaling_mode != + old_conn_state->base.scaling_mode || + !blob_equal(new_conn_state->base.hdr_source_metadata_blob_ptr, + old_conn_state->base.hdr_source_metadata_blob_ptr)) crtc_state->mode_changed = true;
return 0; diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 5c2e3c9..29b4218 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -491,6 +491,10 @@ static void intel_hdmi_set_drm_infoframe(struct drm_encoder *encoder, struct hdr_static_metadata *hdr_metadata; int ret;
+ if (!conn_state->hdr_source_metadata_blob_ptr || + conn_state->hdr_source_metadata_blob_ptr->length == 0) + return; + hdr_metadata = (struct hdr_static_metadata *) conn_state->hdr_source_metadata_blob_ptr->data;