cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

drm_kms_helper_common.c (2253B)

      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_print.h>
     31
     32#include "drm_crtc_helper_internal.h"
     33
     34MODULE_AUTHOR("David Airlie, Jesse Barnes");
     35MODULE_DESCRIPTION("DRM KMS helper");
     36MODULE_LICENSE("GPL and additional rights");
     37
     38#if IS_ENABLED(CONFIG_DRM_LOAD_EDID_FIRMWARE)
     39
     40/* Backward compatibility for drm_kms_helper.edid_firmware */
     41static int edid_firmware_set(const char *val, const struct kernel_param *kp)
     42{
     43	DRM_NOTE("drm_kms_helper.edid_firmware is deprecated, please use drm.edid_firmware instead.\n");
     44
     45	return __drm_set_edid_firmware_path(val);
     46}
     47
     48static int edid_firmware_get(char *buffer, const struct kernel_param *kp)
     49{
     50	return __drm_get_edid_firmware_path(buffer, PAGE_SIZE);
     51}
     52
     53static const struct kernel_param_ops edid_firmware_ops = {
     54	.set = edid_firmware_set,
     55	.get = edid_firmware_get,
     56};
     57
     58module_param_cb(edid_firmware, &edid_firmware_ops, NULL, 0644);
     59__MODULE_PARM_TYPE(edid_firmware, "charp");
     60MODULE_PARM_DESC(edid_firmware,
     61		 "DEPRECATED. Use drm.edid_firmware module parameter instead.");
     62
     63#endif