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c838d719 JL |
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 | */ | |
24 | ||
25 | #ifndef _I915_PARAMS_H_ | |
26 | #define _I915_PARAMS_H_ | |
27 | ||
121981fa | 28 | #include <linux/bitops.h> |
c838d719 JL |
29 | #include <linux/cache.h> /* for __read_mostly */ |
30 | ||
acfb9973 MW |
31 | struct drm_printer; |
32 | ||
121981fa MW |
33 | #define ENABLE_GUC_SUBMISSION BIT(0) |
34 | #define ENABLE_GUC_LOAD_HUC BIT(1) | |
35 | ||
70120330 JN |
36 | /* |
37 | * Invoke param, a function-like macro, for each i915 param, with arguments: | |
38 | * | |
c43c5a88 | 39 | * param(type, name, value, mode) |
70120330 | 40 | * |
c43c5a88 | 41 | * type: parameter type, one of {bool, int, unsigned int, unsigned long, char *} |
70120330 JN |
42 | * name: name of the parameter |
43 | * value: initial/default value of the parameter | |
c43c5a88 JN |
44 | * mode: debugfs file permissions, one of {0400, 0600, 0}, use 0 to not create |
45 | * debugfs file | |
70120330 | 46 | */ |
54fea2b9 | 47 | #define I915_PARAMS_FOR_EACH(param) \ |
c43c5a88 JN |
48 | param(char *, vbt_firmware, NULL, 0400) \ |
49 | param(int, modeset, -1, 0400) \ | |
50 | param(int, lvds_channel_mode, 0, 0400) \ | |
51 | param(int, panel_use_ssc, -1, 0600) \ | |
52 | param(int, vbt_sdvo_panel_type, -1, 0400) \ | |
53 | param(int, enable_dc, -1, 0400) \ | |
54 | param(int, enable_fbc, -1, 0600) \ | |
55 | param(int, enable_psr, -1, 0600) \ | |
2d387995 | 56 | param(bool, psr_safest_params, false, 0600) \ |
6e43e276 | 57 | param(bool, enable_psr2_sel_fetch, false, 0600) \ |
c43c5a88 JN |
58 | param(int, disable_power_well, -1, 0400) \ |
59 | param(int, enable_ips, 1, 0600) \ | |
60 | param(int, invert_brightness, 0, 0600) \ | |
61 | param(int, enable_guc, 0, 0400) \ | |
62 | param(int, guc_log_level, -1, 0400) \ | |
63 | param(char *, guc_firmware_path, NULL, 0400) \ | |
64 | param(char *, huc_firmware_path, NULL, 0400) \ | |
65 | param(char *, dmc_firmware_path, NULL, 0400) \ | |
66 | param(int, mmio_debug, -IS_ENABLED(CONFIG_DRM_I915_DEBUG_MMIO), 0600) \ | |
67 | param(int, edp_vswing, 0, 0400) \ | |
aae970d8 | 68 | param(unsigned int, reset, 3, 0600) \ |
dbf4081f | 69 | param(unsigned int, inject_probe_failure, 0, 0) \ |
c43c5a88 | 70 | param(int, fastboot, -1, 0600) \ |
9ac7d53d | 71 | param(int, enable_dpcd_backlight, -1, 0600) \ |
c43c5a88 JN |
72 | param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \ |
73 | param(unsigned long, fake_lmem_start, 0, 0400) \ | |
b8cf691e | 74 | /* leave bools at the end to not create holes */ \ |
c43c5a88 | 75 | param(bool, enable_hangcheck, true, 0600) \ |
c43c5a88 JN |
76 | param(bool, load_detect_test, false, 0600) \ |
77 | param(bool, force_reset_modeset_test, false, 0600) \ | |
78 | param(bool, error_capture, true, 0600) \ | |
79 | param(bool, disable_display, false, 0400) \ | |
80 | param(bool, verbose_state_checks, true, 0) \ | |
81 | param(bool, nuclear_pageflip, false, 0400) \ | |
82 | param(bool, enable_dp_mst, true, 0600) \ | |
83 | param(bool, enable_gvt, false, 0400) | |
b8cf691e | 84 | |
7075cb85 | 85 | #define MEMBER(T, member, ...) T member; |
c838d719 | 86 | struct i915_params { |
b8cf691e | 87 | I915_PARAMS_FOR_EACH(MEMBER); |
c838d719 | 88 | }; |
b8cf691e | 89 | #undef MEMBER |
c838d719 | 90 | |
4f044a88 | 91 | extern struct i915_params i915_modparams __read_mostly; |
c838d719 | 92 | |
acfb9973 | 93 | void i915_params_dump(const struct i915_params *params, struct drm_printer *p); |
4081cef9 | 94 | void i915_params_copy(struct i915_params *dest, const struct i915_params *src); |
16cabb12 | 95 | void i915_params_free(struct i915_params *params); |
acfb9973 | 96 | |
c838d719 JL |
97 | #endif |
98 |