[v3,07/14] drm: Implement HDR source metadata set and get property handling

Submitted by Shankar, Uma on Dec. 11, 2018, 10:35 p.m.

Details

Message ID 1544567719-15745-8-git-send-email-uma.shankar@intel.com
State New
Headers show
Series "Add HDR Metadata Parsing and handling in DRM layer" ( rev: 3 ) in DRI devel

Commit Message

Shankar, Uma Dec. 11, 2018, 10:35 p.m.
HDR source metadata set and get property implemented in this
patch. The blob data is received from userspace and saved in
connector state, the same is returned as blob in get property
call to userspace.

v2: Rebase and added Ville's POC changes

Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
 drivers/gpu/drm/drm_atomic.c      |  2 ++
 drivers/gpu/drm/drm_atomic_uapi.c | 13 +++++++++++++
 2 files changed, 15 insertions(+)

Patch hide | download patch | download mbox

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 5eb4013..4e71c6b 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -881,6 +881,8 @@  static void drm_atomic_connector_print_state(struct drm_printer *p,
 
 	drm_printf(p, "connector[%u]: %s\n", connector->base.id, connector->name);
 	drm_printf(p, "\tcrtc=%s\n", state->crtc ? state->crtc->name : "(null)");
+	drm_printf(p, "\thdr_metadata_changed=%d\n",
+					state->hdr_metadata_changed);
 
 	if (connector->connector_type == DRM_MODE_CONNECTOR_WRITEBACK)
 		if (state->writeback_job && state->writeback_job->fb)
diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
index c408898..b721b12 100644
--- a/drivers/gpu/drm/drm_atomic_uapi.c
+++ b/drivers/gpu/drm/drm_atomic_uapi.c
@@ -686,6 +686,8 @@  static int drm_atomic_connector_set_property(struct drm_connector *connector,
 {
 	struct drm_device *dev = connector->dev;
 	struct drm_mode_config *config = &dev->mode_config;
+	bool replaced = false;
+	int ret;
 
 	if (property == config->prop_crtc_id) {
 		struct drm_crtc *crtc = drm_crtc_find(dev, NULL, val);
@@ -734,6 +736,14 @@  static int drm_atomic_connector_set_property(struct drm_connector *connector,
 		 */
 		if (state->link_status != DRM_LINK_STATUS_GOOD)
 			state->link_status = val;
+	} else if (property == config->hdr_source_metadata_property) {
+		ret = drm_atomic_replace_property_blob_from_id(dev,
+				&state->hdr_source_metadata_blob_ptr,
+				val,
+				-1, sizeof(struct hdr_static_metadata),
+				&replaced);
+		state->hdr_metadata_changed |= replaced;
+		return ret;
 	} else if (property == config->aspect_ratio_property) {
 		state->picture_aspect_ratio = val;
 	} else if (property == config->content_type_property) {
@@ -816,6 +826,9 @@  static int drm_atomic_connector_set_property(struct drm_connector *connector,
 		*val = state->content_type;
 	} else if (property == connector->scaling_mode_property) {
 		*val = state->scaling_mode;
+	} else if (property == config->hdr_source_metadata_property) {
+		*val = (state->hdr_source_metadata_blob_ptr) ?
+			state->hdr_source_metadata_blob_ptr->base.id : 0;
 	} else if (property == connector->content_protection_property) {
 		*val = state->content_protection;
 	} else if (property == config->writeback_fb_id_property) {