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/cache.h> /* for __read_mostly */ 29 30 #define I915_PARAMS_FOR_EACH(param) \ 31 param(char *, vbt_firmware, NULL) \ 32 param(int, modeset, -1) \ 33 param(int, panel_ignore_lid, 1) \ 34 param(int, semaphores, -1) \ 35 param(int, lvds_channel_mode, 0) \ 36 param(int, panel_use_ssc, -1) \ 37 param(int, vbt_sdvo_panel_type, -1) \ 38 param(int, enable_rc6, -1) \ 39 param(int, enable_dc, -1) \ 40 param(int, enable_fbc, -1) \ 41 param(int, enable_ppgtt, -1) \ 42 param(int, enable_execlists, -1) \ 43 param(int, enable_psr, -1) \ 44 param(int, disable_power_well, -1) \ 45 param(int, enable_ips, 1) \ 46 param(int, invert_brightness, 0) \ 47 param(int, enable_guc_loading, 0) \ 48 param(int, enable_guc_submission, 0) \ 49 param(int, guc_log_level, -1) \ 50 param(char *, guc_firmware_path, NULL) \ 51 param(char *, huc_firmware_path, NULL) \ 52 param(int, mmio_debug, 0) \ 53 param(int, edp_vswing, 0) \ 54 param(int, reset, 2) \ 55 param(unsigned int, inject_load_failure, 0) \ 56 /* leave bools at the end to not create holes */ \ 57 param(bool, alpha_support, IS_ENABLED(CONFIG_DRM_I915_ALPHA_SUPPORT)) \ 58 param(bool, enable_cmd_parser, true) \ 59 param(bool, enable_hangcheck, true) \ 60 param(bool, fastboot, false) \ 61 param(bool, prefault_disable, false) \ 62 param(bool, load_detect_test, false) \ 63 param(bool, force_reset_modeset_test, false) \ 64 param(bool, error_capture, true) \ 65 param(bool, disable_display, false) \ 66 param(bool, verbose_state_checks, true) \ 67 param(bool, nuclear_pageflip, false) \ 68 param(bool, enable_dp_mst, true) \ 69 param(bool, enable_dpcd_backlight, false) \ 70 param(bool, enable_gvt, false) 71 72 #define MEMBER(T, member, ...) T member; 73 struct i915_params { 74 I915_PARAMS_FOR_EACH(MEMBER); 75 }; 76 #undef MEMBER 77 78 extern struct i915_params i915_modparams __read_mostly; 79 80 #endif 81 82