forked from Minki/linux
d2939424ff
This reverts commit560a758d39. The DPCD backlight commits regress a Thinkpad X1 Carbon 4th Gen and a BXT-P (in CI). Enabling dynamic backlight boots to a black screen, and enabling DPCD backlight leads to a black screen after suspend/resume. References: http://mid.mail-archive.com/20170706135349.6tu3lz7uehazlnnn@boom References: http://mid.mail-archive.com/20170627132326.f2q3yn4bh5flji4q@boom Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101619 Reported-by: David Weinehall <david.weinehall@linux.intel.com> Fixes:560a758d39("drm/i915: Add heuristic to determine better way to adjust brightness") Cc: Jenny TC <jenny.tc@intel.com> Cc: David Weinehall <david.weinehall@linux.intel.com> Cc: Puthikorn Voravootivat <puthik@chromium.org> Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: intel-gfx@lists.freedesktop.org Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/f49a89a05f18e90871c2eeadcdcd783ac7961cdf.1500542254.git.jani.nikula@intel.com
82 lines
2.7 KiB
C
82 lines
2.7 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/cache.h> /* for __read_mostly */
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#define I915_PARAMS_FOR_EACH(func) \
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func(int, modeset); \
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func(int, panel_ignore_lid); \
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func(int, semaphores); \
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func(int, lvds_channel_mode); \
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func(int, panel_use_ssc); \
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func(int, vbt_sdvo_panel_type); \
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func(int, enable_rc6); \
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func(int, enable_dc); \
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func(int, enable_fbc); \
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func(int, enable_ppgtt); \
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func(int, enable_execlists); \
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func(int, enable_psr); \
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func(int, disable_power_well); \
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func(int, enable_ips); \
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func(int, invert_brightness); \
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func(int, enable_guc_loading); \
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func(int, enable_guc_submission); \
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func(int, guc_log_level); \
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func(char *, guc_firmware_path); \
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func(char *, huc_firmware_path); \
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func(int, use_mmio_flip); \
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func(int, mmio_debug); \
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func(int, edp_vswing); \
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func(int, reset); \
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func(unsigned int, inject_load_failure); \
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/* leave bools at the end to not create holes */ \
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func(bool, alpha_support); \
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func(bool, enable_cmd_parser); \
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func(bool, enable_hangcheck); \
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func(bool, fastboot); \
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func(bool, prefault_disable); \
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func(bool, load_detect_test); \
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func(bool, force_reset_modeset_test); \
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func(bool, error_capture); \
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func(bool, disable_display); \
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func(bool, verbose_state_checks); \
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func(bool, nuclear_pageflip); \
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func(bool, enable_dp_mst); \
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func(bool, enable_dpcd_backlight); \
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func(bool, enable_gvt)
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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 __read_mostly;
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#endif
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