diff options
Diffstat (limited to 'linux-core/drm_crtc.c')
-rw-r--r-- | linux-core/drm_crtc.c | 102 |
1 files changed, 88 insertions, 14 deletions
diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c index 871f8994..e1b37c0b 100644 --- a/linux-core/drm_crtc.c +++ b/linux-core/drm_crtc.c @@ -33,6 +33,33 @@ #include "drmP.h" #include "drm_crtc.h" +struct drm_prop_enum_list { + int type; + char *name; +}; + +static struct drm_prop_enum_list drm_dpms_enum_list[] = +{ { DPMSModeOn, "On" }, + { DPMSModeStandby, "Standby" }, + { DPMSModeSuspend, "Suspend" }, + { DPMSModeOff, "Off" } +}; +static struct drm_prop_enum_list drm_conn_enum_list[] = +{ { ConnectorVGA, "VGA" }, + { ConnectorDVII, "DVI-I" }, + { ConnectorDVID, "DVI-D" }, + { ConnectorDVIA, "DVI-A" }, + { ConnectorComposite, "Composite" }, + { ConnectorSVIDEO, "SVIDEO" }, + { ConnectorLVDS, "LVDS" }, + { ConnectorComponent, "Component" }, + { Connector9PinDIN, "9-pin DIN" }, + { ConnectorDisplayPort, "DisplayPort" }, + { ConnectorHDMIA, "HDMI Type A" }, + { ConnectorHDMIB, "HDMI Type B" }, +}; + + /** * drm_idr_get - allocate a new identifier * @dev: DRM device @@ -709,6 +736,34 @@ void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode) } EXPORT_SYMBOL(drm_mode_destroy); +static int drm_mode_create_standard_output_properties(struct drm_device *dev) +{ + int i; + + dev->mode_config.edid_property = + drm_property_create(dev, DRM_MODE_PROP_BLOB | DRM_MODE_PROP_IMMUTABLE, + "EDID", 0); + + dev->mode_config.dpms_property = + drm_property_create(dev, DRM_MODE_PROP_ENUM, "DPMS", 4); + + for (i = 0; i < ARRAY_SIZE(drm_dpms_enum_list); i++) + drm_property_add_enum(dev->mode_config.dpms_property, i, drm_dpms_enum_list[i].type, drm_dpms_enum_list[i].name); + + dev->mode_config.connector_type_property = + drm_property_create(dev, DRM_MODE_PROP_ENUM | DRM_MODE_PROP_IMMUTABLE, + "Connector Type", 10); + for (i = 0; i < ARRAY_SIZE(drm_conn_enum_list); i++) + drm_property_add_enum(dev->mode_config.connector_type_property, i, drm_conn_enum_list[i].type, drm_conn_enum_list[i].name); + + dev->mode_config.connector_num_property = + drm_property_create(dev, DRM_MODE_PROP_RANGE | DRM_MODE_PROP_IMMUTABLE, + "Connector ID", 2); + dev->mode_config.connector_num_property->values[0] = 0; + dev->mode_config.connector_num_property->values[1] = 20; + return 0; +} + /** * drm_mode_config_init - initialize DRM mode_configuration structure * @dev: DRM device @@ -728,17 +783,8 @@ void drm_mode_config_init(struct drm_device *dev) INIT_LIST_HEAD(&dev->mode_config.property_list); INIT_LIST_HEAD(&dev->mode_config.property_blob_list); idr_init(&dev->mode_config.crtc_idr); - dev->mode_config.edid_property = drm_property_create(dev, - DRM_MODE_PROP_BLOB | DRM_MODE_PROP_IMMUTABLE, - "EDID", 0); - - dev->mode_config.dpms_property = drm_property_create(dev, - DRM_MODE_PROP_ENUM, - "DPMS", 4); - drm_property_add_enum(dev->mode_config.dpms_property, 0, DPMSModeOn, "On"); - drm_property_add_enum(dev->mode_config.dpms_property, 1, DPMSModeStandby, "Standby"); - drm_property_add_enum(dev->mode_config.dpms_property, 2, DPMSModeSuspend, "Suspend"); - drm_property_add_enum(dev->mode_config.dpms_property, 3, DPMSModeOff, "Off"); + + drm_mode_create_standard_output_properties(dev); } EXPORT_SYMBOL(drm_mode_config_init); @@ -2160,15 +2206,16 @@ int drm_mode_output_update_edid_property(struct drm_output *output, unsigned cha EXPORT_SYMBOL(drm_mode_output_update_edid_property); int drm_mode_output_property_set_ioctl(struct drm_device *dev, - void *data, struct drm_file *file_priv) + void *data, struct drm_file *file_priv) { struct drm_mode_output_set_property *out_resp = data; + struct drm_property *property; struct drm_output *output; int ret = -EINVAL; int i; mutex_lock(&dev->mode_config.mutex); - output= idr_find(&dev->mode_config.crtc_idr, out_resp->output_id); + output = idr_find(&dev->mode_config.crtc_idr, out_resp->output_id); if (!output || (output->id != out_resp->output_id)) { goto out; } @@ -2182,8 +2229,35 @@ int drm_mode_output_property_set_ioctl(struct drm_device *dev, goto out; } + property = idr_find(&dev->mode_config.crtc_idr, out_resp->prop_id); + if (!property || (property->id != out_resp->prop_id)) { + goto out; + } + + if (property->flags & DRM_MODE_PROP_IMMUTABLE) + goto out; + + if (property->flags & DRM_MODE_PROP_RANGE) { + if (out_resp->value < property->values[0]) + goto out; + + if (out_resp->value > property->values[1]) + goto out; + } else { + int found = 0; + for (i = 0; i < property->num_values; i++) { + if (property->values[i] == out_resp->value) { + found = 1; + break; + } + } + if (!found) { + goto out; + } + } + if (output->funcs->set_property) - ret = output->funcs->set_property(output, out_resp->prop_id, out_resp->value); + ret = output->funcs->set_property(output, property, out_resp->value); out: mutex_unlock(&dev->mode_config.mutex); |