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
28#include <linux/bitops.h>
29#include <linux/cache.h> /* for __read_mostly */
30
31struct drm_printer;
32
33#define ENABLE_GUC_SUBMISSION		BIT(0)
34#define ENABLE_GUC_LOAD_HUC		BIT(1)
35
36#define I915_PARAMS_FOR_EACH(param) \
37	param(char *, vbt_firmware, NULL) \
38	param(int, modeset, -1) \
39	param(int, panel_ignore_lid, 1) \
40	param(int, lvds_channel_mode, 0) \
41	param(int, panel_use_ssc, -1) \
42	param(int, vbt_sdvo_panel_type, -1) \
43	param(int, enable_dc, -1) \
44	param(int, enable_fbc, -1) \
45	param(int, enable_ppgtt, -1) \
46	param(int, enable_psr, -1) \
47	param(int, disable_power_well, -1) \
48	param(int, enable_ips, 1) \
49	param(int, invert_brightness, 0) \
50	param(int, enable_guc, 0) \
51	param(int, guc_log_level, 0) \
52	param(char *, guc_firmware_path, NULL) \
53	param(char *, huc_firmware_path, NULL) \
54	param(int, mmio_debug, 0) \
55	param(int, edp_vswing, 0) \
56	param(int, reset, 2) \
57	param(unsigned int, inject_load_failure, 0) \
58	/* leave bools at the end to not create holes */ \
59	param(bool, alpha_support, IS_ENABLED(CONFIG_DRM_I915_ALPHA_SUPPORT)) \
60	param(bool, enable_cmd_parser, true) \
61	param(bool, enable_hangcheck, true) \
62	param(bool, fastboot, false) \
63	param(bool, prefault_disable, false) \
64	param(bool, load_detect_test, false) \
65	param(bool, force_reset_modeset_test, false) \
66	param(bool, error_capture, true) \
67	param(bool, disable_display, false) \
68	param(bool, verbose_state_checks, true) \
69	param(bool, nuclear_pageflip, false) \
70	param(bool, enable_dp_mst, true) \
71	param(bool, enable_dpcd_backlight, false) \
72	param(bool, enable_gvt, false)
73
74#define MEMBER(T, member, ...) T member;
75struct i915_params {
76	I915_PARAMS_FOR_EACH(MEMBER);
77};
78#undef MEMBER
79
80extern struct i915_params i915_modparams __read_mostly;
81
82void i915_params_dump(const struct i915_params *params, struct drm_printer *p);
83
84#endif
85