100 lines
4.0 KiB
C
100 lines
4.0 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#ifndef _I915_PARAMS_H_
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#define _I915_PARAMS_H_
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#include <linux/bitops.h>
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#include <linux/cache.h> /* for __read_mostly */
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struct drm_printer;
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#define ENABLE_GUC_SUBMISSION BIT(0)
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#define ENABLE_GUC_LOAD_HUC BIT(1)
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#define ENABLE_GUC_MASK GENMASK(1, 0)
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/*
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* Invoke param, a function-like macro, for each i915 param, with arguments:
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*
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* param(type, name, value, mode)
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*
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* type: parameter type, one of {bool, int, unsigned int, unsigned long, char *}
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* name: name of the parameter
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* value: initial/default value of the parameter
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* mode: debugfs file permissions, one of {0400, 0600, 0}, use 0 to not create
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* debugfs file
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*/
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#define I915_PARAMS_FOR_EACH(param) \
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param(char *, vbt_firmware, NULL, 0400) \
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param(int, modeset, -1, 0400) \
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param(int, lvds_channel_mode, 0, 0400) \
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param(int, panel_use_ssc, -1, 0600) \
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param(int, vbt_sdvo_panel_type, -1, 0400) \
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param(int, enable_dc, -1, 0400) \
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param(int, enable_fbc, -1, 0600) \
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param(int, enable_psr, -1, 0600) \
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param(bool, psr_safest_params, false, 0400) \
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param(bool, enable_psr2_sel_fetch, false, 0400) \
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param(int, disable_power_well, -1, 0400) \
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param(int, enable_ips, 1, 0600) \
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param(int, invert_brightness, 0, 0600) \
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param(int, enable_guc, -1, 0400) \
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param(int, guc_log_level, -1, 0400) \
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param(char *, guc_firmware_path, NULL, 0400) \
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param(char *, huc_firmware_path, NULL, 0400) \
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param(char *, dmc_firmware_path, NULL, 0400) \
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param(int, mmio_debug, -IS_ENABLED(CONFIG_DRM_I915_DEBUG_MMIO), 0600) \
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param(int, edp_vswing, 0, 0400) \
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param(unsigned int, reset, 3, 0600) \
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param(unsigned int, inject_probe_failure, 0, 0) \
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param(int, fastboot, -1, 0600) \
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param(int, enable_dpcd_backlight, -1, 0600) \
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param(char *, force_probe, CONFIG_DRM_I915_FORCE_PROBE, 0400) \
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param(unsigned long, fake_lmem_start, 0, IS_ENABLED(CONFIG_DRM_I915_UNSTABLE_FAKE_LMEM) ? 0400 : 0) \
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param(unsigned int, request_timeout_ms, CONFIG_DRM_I915_REQUEST_TIMEOUT, CONFIG_DRM_I915_REQUEST_TIMEOUT ? 0600 : 0) \
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/* leave bools at the end to not create holes */ \
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param(bool, enable_hangcheck, true, 0600) \
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param(bool, load_detect_test, false, 0600) \
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param(bool, force_reset_modeset_test, false, 0600) \
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param(bool, error_capture, true, IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR) ? 0600 : 0) \
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param(bool, disable_display, false, 0400) \
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param(bool, verbose_state_checks, true, 0) \
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param(bool, nuclear_pageflip, false, 0400) \
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param(bool, enable_dp_mst, true, 0600) \
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param(bool, enable_gvt, false, IS_ENABLED(CONFIG_DRM_I915_GVT) ? 0400 : 0)
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#define MEMBER(T, member, ...) T member;
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struct i915_params {
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I915_PARAMS_FOR_EACH(MEMBER);
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};
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#undef MEMBER
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extern struct i915_params i915_modparams __read_mostly;
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void i915_params_dump(const struct i915_params *params, struct drm_printer *p);
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void i915_params_copy(struct i915_params *dest, const struct i915_params *src);
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void i915_params_free(struct i915_params *params);
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#endif
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