1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (c) 2007 Intel Corporation 4 * 5 * Authers: Jesse Barnes <jesse.barnes@intel.com> 6 */ 7 8 #include <linux/i2c.h> 9 10 #include <drm/drm_edid.h> 11 12 #include "psb_intel_drv.h" 13 14 /** 15 * psb_intel_ddc_get_modes - get modelist from monitor 16 * @connector: DRM connector device to use 17 * @adapter: Associated I2C adaptor 18 * 19 * Fetch the EDID information from @connector using the DDC bus. 20 */ 21 int psb_intel_ddc_get_modes(struct drm_connector *connector, 22 struct i2c_adapter *adapter) 23 { 24 struct edid *edid; 25 int ret = 0; 26 27 edid = drm_get_edid(connector, adapter); 28 if (edid) { 29 drm_connector_update_edid_property(connector, edid); 30 ret = drm_add_edid_modes(connector, edid); 31 kfree(edid); 32 } 33 return ret; 34 } 35