int drm_load_edid_firmware(struct drm_connector *connector)
{
const char *connector_name = drm_get_connector_name(connector);
char *edidname = edid_firmware, *last, *colon;
int ret;
struct edid *edid;
if (*edidname == '\0')
return 0;
colon = strchr(edidname, ':');
if (colon != NULL) {
if (strncmp(connector_name, edidname, colon - edidname))
return 0;
edidname = colon + 1;
if (*edidname == '\0')
return 0;
}
last = edidname + strlen(edidname) - 1;
if (*last == '\n')
*last = '\0';
edid = (struct edid *) edid_load(connector, edidname, connector_name);
if (IS_ERR_OR_NULL(edid))
return 0;
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
kfree(edid);
return ret;
}
int drm_load_edid_firmware(struct drm_connector *connector)
{
char *connector_name = drm_get_connector_name(connector);
char *edidname = edid_firmware, *last, *colon;
int ret = 0;
if (*edidname == '\0')
return ret;
colon = strchr(edidname, ':');
if (colon != NULL) {
if (strncmp(connector_name, edidname, colon - edidname))
return ret;
edidname = colon + 1;
if (*edidname == '\0')
return ret;
}
last = edidname + strlen(edidname) - 1;
if (*last == '\n')
*last = '\0';
ret = edid_load(connector, edidname, connector_name);
if (ret)
return 0;
drm_mode_connector_update_edid_property(connector,
(struct edid *) connector->display_info.raw_edid);
return drm_add_edid_modes(connector, (struct edid *)
connector->display_info.raw_edid);
}
int drm_load_edid_firmware(struct drm_connector *connector)
{
const char *connector_name = connector->name;
char *edidname, *last, *colon, *fwstr, *edidstr, *fallback = NULL;
int ret;
struct edid *edid;
if (edid_firmware[0] == '\0')
return 0;
/*
* If there are multiple edid files specified and separated
* by commas, search through the list looking for one that
* matches the connector.
*
* If there's one or more that don't't specify a connector, keep
* the last one found one as a fallback.
*/
fwstr = kstrdup(edid_firmware, GFP_KERNEL);
edidstr = fwstr;
while ((edidname = strsep(&edidstr, ","))) {
colon = strchr(edidname, ':');
if (colon != NULL) {
if (strncmp(connector_name, edidname, colon - edidname))
continue;
edidname = colon + 1;
break;
}
if (*edidname != '\0') /* corner case: multiple ',' */
fallback = edidname;
}
if (!edidname) {
if (!fallback) {
kfree(fwstr);
return 0;
}
edidname = fallback;
}
last = edidname + strlen(edidname) - 1;
if (*last == '\n')
*last = '\0';
edid = edid_load(connector, edidname, connector_name);
kfree(fwstr);
if (IS_ERR_OR_NULL(edid))
return 0;
drm_mode_connector_update_edid_property(connector, edid);
ret = drm_add_edid_modes(connector, edid);
drm_edid_to_eld(connector, edid);
kfree(edid);
return ret;
}
