diff options
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 127 |
1 files changed, 102 insertions, 25 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 7631f76e7f34..da39e7ff6965 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -20,6 +20,7 @@ * OF THIS SOFTWARE. */ +#include <drm/drm_auth.h> #include <drm/drm_connector.h> #include <drm/drm_edid.h> #include <drm/drm_encoder.h> @@ -279,7 +280,8 @@ int drm_connector_init(struct drm_device *dev, drm_connector_get_cmdline_mode(connector); /* We should add connectors at the end to avoid upsetting the connector - * index too much. */ + * index too much. + */ spin_lock_irq(&config->connector_list_lock); list_add_tail(&connector->head, &config->connector_list); config->num_connector++; @@ -1958,11 +1960,11 @@ int drm_connector_set_path_property(struct drm_connector *connector, int ret; ret = drm_property_replace_global_blob(dev, - &connector->path_blob_ptr, - strlen(path) + 1, - path, - &connector->base, - dev->mode_config.path_property); + &connector->path_blob_ptr, + strlen(path) + 1, + path, + &connector->base, + dev->mode_config.path_property); return ret; } EXPORT_SYMBOL(drm_connector_set_path_property); @@ -1988,11 +1990,11 @@ int drm_connector_set_tile_property(struct drm_connector *connector) if (!connector->has_tile) { ret = drm_property_replace_global_blob(dev, - &connector->tile_blob_ptr, - 0, - NULL, - &connector->base, - dev->mode_config.tile_property); + &connector->tile_blob_ptr, + 0, + NULL, + &connector->base, + dev->mode_config.tile_property); return ret; } @@ -2003,11 +2005,11 @@ int drm_connector_set_tile_property(struct drm_connector *connector) connector->tile_h_size, connector->tile_v_size); ret = drm_property_replace_global_blob(dev, - &connector->tile_blob_ptr, - strlen(tile) + 1, - tile, - &connector->base, - dev->mode_config.tile_property); + &connector->tile_blob_ptr, + strlen(tile) + 1, + tile, + &connector->base, + dev->mode_config.tile_property); return ret; } EXPORT_SYMBOL(drm_connector_set_tile_property); @@ -2076,10 +2078,10 @@ int drm_connector_update_edid_property(struct drm_connector *connector, ret = drm_property_replace_global_blob(dev, &connector->edid_blob_ptr, - size, - edid, - &connector->base, - dev->mode_config.edid_property); + size, + edid, + &connector->base, + dev->mode_config.edid_property); if (ret) return ret; return drm_connector_set_tile_property(connector); @@ -2151,6 +2153,75 @@ int drm_connector_attach_max_bpc_property(struct drm_connector *connector, EXPORT_SYMBOL(drm_connector_attach_max_bpc_property); /** + * drm_connector_attach_hdr_output_metadata_property - attach "HDR_OUTPUT_METADA" property + * @connector: connector to attach the property on. + * + * This is used to allow the userspace to send HDR Metadata to the + * driver. + * + * Returns: + * Zero on success, negative errno on failure. + */ +int drm_connector_attach_hdr_output_metadata_property(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + struct drm_property *prop = dev->mode_config.hdr_output_metadata_property; + + drm_object_attach_property(&connector->base, prop, 0); + + return 0; +} +EXPORT_SYMBOL(drm_connector_attach_hdr_output_metadata_property); + +/** + * drm_connector_attach_colorspace_property - attach "Colorspace" property + * @connector: connector to attach the property on. + * + * This is used to allow the userspace to signal the output colorspace + * to the driver. + * + * Returns: + * Zero on success, negative errno on failure. + */ +int drm_connector_attach_colorspace_property(struct drm_connector *connector) +{ + struct drm_property *prop = connector->colorspace_property; + + drm_object_attach_property(&connector->base, prop, DRM_MODE_COLORIMETRY_DEFAULT); + + return 0; +} +EXPORT_SYMBOL(drm_connector_attach_colorspace_property); + +/** + * drm_connector_atomic_hdr_metadata_equal - checks if the hdr metadata changed + * @old_state: old connector state to compare + * @new_state: new connector state to compare + * + * This is used by HDR-enabled drivers to test whether the HDR metadata + * have changed between two different connector state (and thus probably + * requires a full blown mode change). + * + * Returns: + * True if the metadata are equal, False otherwise + */ +bool drm_connector_atomic_hdr_metadata_equal(struct drm_connector_state *old_state, + struct drm_connector_state *new_state) +{ + struct drm_property_blob *old_blob = old_state->hdr_output_metadata; + struct drm_property_blob *new_blob = new_state->hdr_output_metadata; + + if (!old_blob || !new_blob) + return old_blob == new_blob; + + if (old_blob->length != new_blob->length) + return false; + + return !memcmp(old_blob->data, new_blob->data, old_blob->length); +} +EXPORT_SYMBOL(drm_connector_atomic_hdr_metadata_equal); + +/** * drm_connector_set_vrr_capable_property - sets the variable refresh rate * capable property for a connector * @connector: drm connector @@ -2288,7 +2359,8 @@ int drm_connector_property_set_ioctl(struct drm_device *dev, static struct drm_encoder *drm_connector_get_encoder(struct drm_connector *connector) { /* For atomic drivers only state objects are synchronously updated and - * protected by modeset locks, so check those first. */ + * protected by modeset locks, so check those first. + */ if (connector->state) return connector->state->best_encoder; return connector->encoder; @@ -2374,9 +2446,13 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, mutex_lock(&dev->mode_config.mutex); if (out_resp->count_modes == 0) { - connector->funcs->fill_modes(connector, - dev->mode_config.max_width, - dev->mode_config.max_height); + if (drm_is_current_master(file_priv)) + connector->funcs->fill_modes(connector, + dev->mode_config.max_width, + dev->mode_config.max_height); + else + drm_dbg_kms(dev, "User-space requested a forced probe on [CONNECTOR:%d:%s] but is not the DRM master, demoting to read-only probe", + connector->base.id, connector->name); } out_resp->mm_width = connector->display_info.width_mm; @@ -2450,7 +2526,8 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, out_resp->encoder_id = 0; /* Only grab properties after probing, to make sure EDID and other - * properties reflect the latest status. */ + * properties reflect the latest status. + */ ret = drm_mode_object_get_properties(&connector->base, file_priv->atomic, (uint32_t __user *)(unsigned long)(out_resp->props_ptr), (uint64_t __user *)(unsigned long)(out_resp->prop_values_ptr), |