This patch implements get() and set() functions for HDR output
metadata property.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
v3: No Change
v4: Addressed Shashank's review comments
Signed-off-by: Uma Shankar <uma.shankar@xxxxxxxxx>
---
drivers/gpu/drm/drm_atomic.c | 2 ++
drivers/gpu/drm/drm_atomic_uapi.c | 13 +++++++++++++
2 files changed, 15 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 5eb4013..8b9c126 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 4eb81f1..18c8b81f 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_output_metadata_property) {
+ ret = drm_atomic_replace_property_blob_from_id(dev,
+ &state->hdr_output_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) {
@@ -820,6 +830,9 @@ static int drm_atomic_connector_set_property(struct drm_connector *connector,
*val = state->colorspace;
} else if (property == connector->scaling_mode_property) {
*val = state->scaling_mode;
+ } else if (property == config->hdr_output_metadata_property) {
+ *val = (state->hdr_output_metadata_blob_ptr) ?
+ state->hdr_output_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) {
--
1.9.1
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