1 /* 2 * Copyright © 2015 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 * Authors: 24 * Rafael Antognolli <rafael.antognolli@intel.com> 25 * 26 */ 27 28 #include <linux/module.h> 29 30 #include <drm/drm_edid.h> 31 #include <drm/drm_print.h> 32 33 #include "drm_crtc_helper_internal.h" 34 35 MODULE_AUTHOR("David Airlie, Jesse Barnes"); 36 MODULE_DESCRIPTION("DRM KMS helper"); 37 MODULE_LICENSE("GPL and additional rights"); 38 39 #if IS_ENABLED(CONFIG_DRM_LOAD_EDID_FIRMWARE) 40 41 /* Backward compatibility for drm_kms_helper.edid_firmware */ 42 static int edid_firmware_set(const char *val, const struct kernel_param *kp) 43 { 44 DRM_NOTE("drm_kms_helper.edid_firmware is deprecated, please use drm.edid_firmware instead.\n"); 45 46 return __drm_set_edid_firmware_path(val); 47 } 48 49 static int edid_firmware_get(char *buffer, const struct kernel_param *kp) 50 { 51 return __drm_get_edid_firmware_path(buffer, PAGE_SIZE); 52 } 53 54 static const struct kernel_param_ops edid_firmware_ops = { 55 .set = edid_firmware_set, 56 .get = edid_firmware_get, 57 }; 58 59 module_param_cb(edid_firmware, &edid_firmware_ops, NULL, 0644); 60 __MODULE_PARM_TYPE(edid_firmware, "charp"); 61 MODULE_PARM_DESC(edid_firmware, 62 "DEPRECATED. Use drm.edid_firmware module parameter instead."); 63 64 #endif 65