17f4dd379Sjsg /* 27f4dd379Sjsg * Copyright © 2015 Intel Corporation 37f4dd379Sjsg * 47f4dd379Sjsg * Permission is hereby granted, free of charge, to any person obtaining a 57f4dd379Sjsg * copy of this software and associated documentation files (the "Software"), 67f4dd379Sjsg * to deal in the Software without restriction, including without limitation 77f4dd379Sjsg * the rights to use, copy, modify, merge, publish, distribute, sublicense, 87f4dd379Sjsg * and/or sell copies of the Software, and to permit persons to whom the 97f4dd379Sjsg * Software is furnished to do so, subject to the following conditions: 107f4dd379Sjsg * 117f4dd379Sjsg * The above copyright notice and this permission notice (including the next 127f4dd379Sjsg * paragraph) shall be included in all copies or substantial portions of the 137f4dd379Sjsg * Software. 147f4dd379Sjsg * 157f4dd379Sjsg * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 167f4dd379Sjsg * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 177f4dd379Sjsg * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 187f4dd379Sjsg * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 197f4dd379Sjsg * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 207f4dd379Sjsg * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 217f4dd379Sjsg * IN THE SOFTWARE. 227f4dd379Sjsg * 237f4dd379Sjsg */ 247f4dd379Sjsg 257f4dd379Sjsg #ifndef _I915_PARAMS_H_ 267f4dd379Sjsg #define _I915_PARAMS_H_ 277f4dd379Sjsg 287f4dd379Sjsg #include <linux/bitops.h> 297f4dd379Sjsg #include <linux/cache.h> /* for __read_mostly */ 307f4dd379Sjsg 317f4dd379Sjsg struct drm_printer; 327f4dd379Sjsg 337f4dd379Sjsg #define ENABLE_GUC_SUBMISSION BIT(0) 347f4dd379Sjsg #define ENABLE_GUC_LOAD_HUC BIT(1) 355ca02815Sjsg #define ENABLE_GUC_MASK GENMASK(1, 0) 367f4dd379Sjsg 37c349dbc7Sjsg /* 38c349dbc7Sjsg * Invoke param, a function-like macro, for each i915 param, with arguments: 39c349dbc7Sjsg * 40c349dbc7Sjsg * param(type, name, value, mode) 41c349dbc7Sjsg * 42c349dbc7Sjsg * type: parameter type, one of {bool, int, unsigned int, unsigned long, char *} 43c349dbc7Sjsg * name: name of the parameter 44c349dbc7Sjsg * value: initial/default value of the parameter 45c349dbc7Sjsg * mode: debugfs file permissions, one of {0400, 0600, 0}, use 0 to not create 46c349dbc7Sjsg * debugfs file 47c349dbc7Sjsg */ 487f4dd379Sjsg #define I915_PARAMS_FOR_EACH(param) \ 49c349dbc7Sjsg param(char *, vbt_firmware, NULL, 0400) \ 50c349dbc7Sjsg param(int, modeset, -1, 0400) \ 51c349dbc7Sjsg param(int, lvds_channel_mode, 0, 0400) \ 52c349dbc7Sjsg param(int, panel_use_ssc, -1, 0600) \ 53c349dbc7Sjsg param(int, vbt_sdvo_panel_type, -1, 0400) \ 54c349dbc7Sjsg param(int, enable_dc, -1, 0400) \ 55c349dbc7Sjsg param(int, enable_fbc, -1, 0600) \ 56c349dbc7Sjsg param(int, enable_psr, -1, 0600) \ 57*f005ef32Sjsg param(bool, enable_dpt, true, 0400) \ 585ca02815Sjsg param(bool, psr_safest_params, false, 0400) \ 591bb76ff1Sjsg param(bool, enable_psr2_sel_fetch, true, 0400) \ 60*f005ef32Sjsg param(bool, enable_sagv, true, 0600) \ 61c349dbc7Sjsg param(int, disable_power_well, -1, 0400) \ 62c349dbc7Sjsg param(int, enable_ips, 1, 0600) \ 63c349dbc7Sjsg param(int, invert_brightness, 0, 0600) \ 645ca02815Sjsg param(int, enable_guc, -1, 0400) \ 65c349dbc7Sjsg param(int, guc_log_level, -1, 0400) \ 66c349dbc7Sjsg param(char *, guc_firmware_path, NULL, 0400) \ 67c349dbc7Sjsg param(char *, huc_firmware_path, NULL, 0400) \ 68c349dbc7Sjsg param(char *, dmc_firmware_path, NULL, 0400) \ 69*f005ef32Sjsg param(char *, gsc_firmware_path, NULL, 0400) \ 701bb76ff1Sjsg param(bool, memtest, false, 0400) \ 71c349dbc7Sjsg param(int, mmio_debug, -IS_ENABLED(CONFIG_DRM_I915_DEBUG_MMIO), 0600) \ 72c349dbc7Sjsg param(int, edp_vswing, 0, 0400) \ 73c349dbc7Sjsg param(unsigned int, reset, 3, 0600) \ 74ad8b1aafSjsg param(unsigned int, inject_probe_failure, 0, 0) \ 75c349dbc7Sjsg param(int, fastboot, -1, 0600) \ 76c349dbc7Sjsg param(int, enable_dpcd_backlight, -1, 0600) \ 77c349dbc7Sjsg param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \ 785ca02815Sjsg param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, CONFIG_DRM_I915_REQUEST_TIMEOUT ? 0600 : 0) \ 791bb76ff1Sjsg param(unsigned int, lmem_size, 0, 0400) \ 801bb76ff1Sjsg param(unsigned int, lmem_bar_size, 0, 0400) \ 817f4dd379Sjsg /* leave bools at the end to not create holes */ \ 82c349dbc7Sjsg param(bool, enable_hangcheck, true, 0600) \ 83c349dbc7Sjsg param(bool, load_detect_test, false, 0600) \ 84c349dbc7Sjsg param(bool, force_reset_modeset_test, false, 0600) \ 855ca02815Sjsg param(bool, error_capture, true, IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) ? 0600 : 0) \ 86c349dbc7Sjsg param(bool, disable_display, false, 0400) \ 87c349dbc7Sjsg param(bool, verbose_state_checks, true, 0) \ 88c349dbc7Sjsg param(bool, nuclear_pageflip, false, 0400) \ 89c349dbc7Sjsg param(bool, enable_dp_mst, true, 0600) \ 905ca02815Sjsg param(bool, enable_gvt, false, IS_ENABLED(CONFIG_DRM_I915_GVT) ? 0400 : 0) 917f4dd379Sjsg 927f4dd379Sjsg #define MEMBER(T, member, ...) T member; 937f4dd379Sjsg struct i915_params { 947f4dd379Sjsg I915_PARAMS_FOR_EACH(MEMBER); 957f4dd379Sjsg }; 967f4dd379Sjsg #undef MEMBER 977f4dd379Sjsg 987f4dd379Sjsg extern struct i915_params i915_modparams __read_mostly; 997f4dd379Sjsg 1007f4dd379Sjsg void i915_params_dump(const struct i915_params *params, struct drm_printer *p); 101c349dbc7Sjsg void i915_params_copy(struct i915_params *dest, const struct i915_params *src); 102c349dbc7Sjsg void i915_params_free(struct i915_params *params); 1037f4dd379Sjsg 1047f4dd379Sjsg #endif 105