This patch enables modeset whenever HDR metadata
needs to be updated to sink.
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
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 b844e88..4ff6042 100644
--- a/drivers/gpu/drm/i915/intel_atomic.c
+++ b/drivers/gpu/drm/i915/intel_atomic.c
@@ -102,6 +102,16 @@ 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)
{
@@ -129,7 +139,10 @@ int intel_digital_connector_atomic_check(struct drm_connector *conn,
new_conn_state->base.colorspace != old_conn_state->base.colorspace ||
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_output_metadata_blob_ptr,
+ old_conn_state->base.hdr_output_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 8decafd..4d06734 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -792,6 +792,10 @@ void intel_read_infoframe(struct intel_encoder *encoder,
struct hdr_static_metadata *hdr_metadata;
int ret;
+ if (!conn_state->hdr_output_metadata_blob_ptr ||
+ conn_state->hdr_output_metadata_blob_ptr->length == 0)
+ return true;
+
hdr_metadata = (struct hdr_static_metadata *)
conn_state->hdr_output_metadata_blob_ptr->data;
--
1.9.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
