diff options
Diffstat (limited to 'drivers/gpu/drm/drm_connector.c')
| -rw-r--r-- | drivers/gpu/drm/drm_connector.c | 142 |
1 files changed, 100 insertions, 42 deletions
diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 4a8b2e5c2af6..2166000ed057 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -365,8 +365,6 @@ EXPORT_SYMBOL(drm_connector_attach_edid_property); int drm_connector_attach_encoder(struct drm_connector *connector, struct drm_encoder *encoder) { - int i; - /* * In the past, drivers have attempted to model the static association * of connector to encoder in simple connector/encoder devices using a @@ -381,18 +379,15 @@ int drm_connector_attach_encoder(struct drm_connector *connector, if (WARN_ON(connector->encoder)) return -EINVAL; - for (i = 0; i < ARRAY_SIZE(connector->encoder_ids); i++) { - if (connector->encoder_ids[i] == 0) { - connector->encoder_ids[i] = encoder->base.id; - return 0; - } - } - return -ENOMEM; + connector->possible_encoders |= drm_encoder_mask(encoder); + + return 0; } EXPORT_SYMBOL(drm_connector_attach_encoder); /** - * drm_connector_has_possible_encoder - check if the connector and encoder are assosicated with each other + * drm_connector_has_possible_encoder - check if the connector and encoder are + * associated with each other * @connector: the connector * @encoder: the encoder * @@ -402,15 +397,7 @@ EXPORT_SYMBOL(drm_connector_attach_encoder); bool drm_connector_has_possible_encoder(struct drm_connector *connector, struct drm_encoder *encoder) { - struct drm_encoder *enc; - int i; - - drm_connector_for_each_possible_encoder(connector, enc, i) { - if (enc == encoder) - return true; - } - - return false; + return connector->possible_encoders & drm_encoder_mask(encoder); } EXPORT_SYMBOL(drm_connector_has_possible_encoder); @@ -480,7 +467,10 @@ EXPORT_SYMBOL(drm_connector_cleanup); * drm_connector_register - register a connector * @connector: the connector to register * - * Register userspace interfaces for a connector + * Register userspace interfaces for a connector. Only call this for connectors + * which can be hotplugged after drm_dev_register() has been called already, + * e.g. DP MST connectors. All other connectors will be registered automatically + * when calling drm_dev_register(). * * Returns: * Zero on success, error code on failure. @@ -526,7 +516,10 @@ EXPORT_SYMBOL(drm_connector_register); * drm_connector_unregister - unregister a connector * @connector: the connector to unregister * - * Unregister userspace interfaces for a connector + * Unregister userspace interfaces for a connector. Only call this for + * connectors which have registered explicitly by calling drm_dev_register(), + * since connectors are unregistered automatically when drm_dev_unregister() is + * called. */ void drm_connector_unregister(struct drm_connector *connector) { @@ -882,6 +875,38 @@ static const struct drm_prop_enum_list hdmi_colorspaces[] = { { DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER, "DCI-P3_RGB_Theater" }, }; +/* + * As per DP 1.4a spec, 2.2.5.7.5 VSC SDP Payload for Pixel Encoding/Colorimetry + * Format Table 2-120 + */ +static const struct drm_prop_enum_list dp_colorspaces[] = { + /* For Default case, driver will set the colorspace */ + { DRM_MODE_COLORIMETRY_DEFAULT, "Default" }, + { DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED, "RGB_Wide_Gamut_Fixed_Point" }, + /* Colorimetry based on scRGB (IEC 61966-2-2) */ + { DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT, "RGB_Wide_Gamut_Floating_Point" }, + /* Colorimetry based on IEC 61966-2-5 */ + { DRM_MODE_COLORIMETRY_OPRGB, "opRGB" }, + /* Colorimetry based on SMPTE RP 431-2 */ + { DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65, "DCI-P3_RGB_D65" }, + /* Colorimetry based on ITU-R BT.2020 */ + { DRM_MODE_COLORIMETRY_BT2020_RGB, "BT2020_RGB" }, + { DRM_MODE_COLORIMETRY_BT601_YCC, "BT601_YCC" }, + { DRM_MODE_COLORIMETRY_BT709_YCC, "BT709_YCC" }, + /* Standard Definition Colorimetry based on IEC 61966-2-4 */ + { DRM_MODE_COLORIMETRY_XVYCC_601, "XVYCC_601" }, + /* High Definition Colorimetry based on IEC 61966-2-4 */ + { DRM_MODE_COLORIMETRY_XVYCC_709, "XVYCC_709" }, + /* Colorimetry based on IEC 61966-2-1/Amendment 1 */ + { DRM_MODE_COLORIMETRY_SYCC_601, "SYCC_601" }, + /* Colorimetry based on IEC 61966-2-5 [33] */ + { DRM_MODE_COLORIMETRY_OPYCC_601, "opYCC_601" }, + /* Colorimetry based on ITU-R BT.2020 */ + { DRM_MODE_COLORIMETRY_BT2020_CYCC, "BT2020_CYCC" }, + /* Colorimetry based on ITU-R BT.2020 */ + { DRM_MODE_COLORIMETRY_BT2020_YCC, "BT2020_YCC" }, +}; + /** * DOC: standard connector properties * @@ -1674,7 +1699,6 @@ EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); * DOC: standard connector properties * * Colorspace: - * drm_mode_create_colorspace_property - create colorspace property * This property helps select a suitable colorspace based on the sink * capability. Modern sink devices support wider gamut like BT2020. * This helps switch to BT2020 mode if the BT2020 encoded video stream @@ -1694,32 +1718,68 @@ EXPORT_SYMBOL(drm_mode_create_aspect_ratio_property); * - This property is just to inform sink what colorspace * source is trying to drive. * + * Because between HDMI and DP have different colorspaces, + * drm_mode_create_hdmi_colorspace_property() is used for HDMI connector and + * drm_mode_create_dp_colorspace_property() is used for DP connector. + */ + +/** + * drm_mode_create_hdmi_colorspace_property - create hdmi colorspace property + * @connector: connector to create the Colorspace property on. + * * Called by a driver the first time it's needed, must be attached to desired - * connectors. + * HDMI connectors. + * + * Returns: + * Zero on success, negative errono on failure. */ -int drm_mode_create_colorspace_property(struct drm_connector *connector) +int drm_mode_create_hdmi_colorspace_property(struct drm_connector *connector) { struct drm_device *dev = connector->dev; - struct drm_property *prop; - if (connector->connector_type == DRM_MODE_CONNECTOR_HDMIA || - connector->connector_type == DRM_MODE_CONNECTOR_HDMIB) { - prop = drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, - "Colorspace", - hdmi_colorspaces, - ARRAY_SIZE(hdmi_colorspaces)); - if (!prop) - return -ENOMEM; - } else { - DRM_DEBUG_KMS("Colorspace property not supported\n"); + if (connector->colorspace_property) return 0; - } - connector->colorspace_property = prop; + connector->colorspace_property = + drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, "Colorspace", + hdmi_colorspaces, + ARRAY_SIZE(hdmi_colorspaces)); + + if (!connector->colorspace_property) + return -ENOMEM; + + return 0; +} +EXPORT_SYMBOL(drm_mode_create_hdmi_colorspace_property); + +/** + * drm_mode_create_dp_colorspace_property - create dp colorspace property + * @connector: connector to create the Colorspace property on. + * + * Called by a driver the first time it's needed, must be attached to desired + * DP connectors. + * + * Returns: + * Zero on success, negative errono on failure. + */ +int drm_mode_create_dp_colorspace_property(struct drm_connector *connector) +{ + struct drm_device *dev = connector->dev; + + if (connector->colorspace_property) + return 0; + + connector->colorspace_property = + drm_property_create_enum(dev, DRM_MODE_PROP_ENUM, "Colorspace", + dp_colorspaces, + ARRAY_SIZE(dp_colorspaces)); + + if (!connector->colorspace_property) + return -ENOMEM; return 0; } -EXPORT_SYMBOL(drm_mode_create_colorspace_property); +EXPORT_SYMBOL(drm_mode_create_dp_colorspace_property); /** * drm_mode_create_content_type_property - create content type property @@ -2121,7 +2181,6 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, int encoders_count = 0; int ret = 0; int copied = 0; - int i; struct drm_mode_modeinfo u_mode; struct drm_mode_modeinfo __user *mode_ptr; uint32_t __user *encoder_ptr; @@ -2136,14 +2195,13 @@ int drm_mode_getconnector(struct drm_device *dev, void *data, if (!connector) return -ENOENT; - drm_connector_for_each_possible_encoder(connector, encoder, i) - encoders_count++; + encoders_count = hweight32(connector->possible_encoders); if ((out_resp->count_encoders >= encoders_count) && encoders_count) { copied = 0; encoder_ptr = (uint32_t __user *)(unsigned long)(out_resp->encoders_ptr); - drm_connector_for_each_possible_encoder(connector, encoder, i) { + drm_connector_for_each_possible_encoder(connector, encoder) { if (put_user(encoder->base.id, encoder_ptr + copied)) { ret = -EFAULT; goto out; |