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(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(buf: 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 | |