mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-21 12:49:08 +07:00
7a10dfa638
VTd has a few too many "outright disable the damn thing" workarounds accumulated and for validation we want a simple knob to make sure we disable them all. Since this is for bdw+ validation and atm we don't have any workarounds for bdw this option currently does nothing. So currently this is just a placeholder to make sure reality will match with the documented process for our validation people. v2: Fix up param description (Jani). v3: Actually git add ... Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: David Woodhouse <dwmw2@infradead.org> Reviewed-by: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
159 lines
6.1 KiB
C
159 lines
6.1 KiB
C
/*
|
|
* Copyright © 2014 Intel Corporation
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
* IN THE SOFTWARE.
|
|
*/
|
|
|
|
#include "i915_drv.h"
|
|
|
|
struct i915_params i915 __read_mostly = {
|
|
.modeset = -1,
|
|
.panel_ignore_lid = 1,
|
|
.powersave = 1,
|
|
.semaphores = -1,
|
|
.lvds_downclock = 0,
|
|
.lvds_channel_mode = 0,
|
|
.panel_use_ssc = -1,
|
|
.vbt_sdvo_panel_type = -1,
|
|
.enable_rc6 = -1,
|
|
.enable_fbc = -1,
|
|
.enable_hangcheck = true,
|
|
.enable_ppgtt = -1,
|
|
.enable_psr = 0,
|
|
.preliminary_hw_support = IS_ENABLED(CONFIG_DRM_I915_PRELIMINARY_HW_SUPPORT),
|
|
.disable_power_well = 1,
|
|
.enable_ips = 1,
|
|
.fastboot = 0,
|
|
.prefault_disable = 0,
|
|
.reset = true,
|
|
.invert_brightness = 0,
|
|
.disable_display = 0,
|
|
.enable_cmd_parser = 1,
|
|
.disable_vtd_wa = 0,
|
|
};
|
|
|
|
module_param_named(modeset, i915.modeset, int, 0400);
|
|
MODULE_PARM_DESC(modeset,
|
|
"Use kernel modesetting [KMS] (0=DRM_I915_KMS from .config, "
|
|
"1=on, -1=force vga console preference [default])");
|
|
|
|
module_param_named(panel_ignore_lid, i915.panel_ignore_lid, int, 0600);
|
|
MODULE_PARM_DESC(panel_ignore_lid,
|
|
"Override lid status (0=autodetect, 1=autodetect disabled [default], "
|
|
"-1=force lid closed, -2=force lid open)");
|
|
|
|
module_param_named(powersave, i915.powersave, int, 0600);
|
|
MODULE_PARM_DESC(powersave,
|
|
"Enable powersavings, fbc, downclocking, etc. (default: true)");
|
|
|
|
module_param_named(semaphores, i915.semaphores, int, 0400);
|
|
MODULE_PARM_DESC(semaphores,
|
|
"Use semaphores for inter-ring sync "
|
|
"(default: -1 (use per-chip defaults))");
|
|
|
|
module_param_named(enable_rc6, i915.enable_rc6, int, 0400);
|
|
MODULE_PARM_DESC(enable_rc6,
|
|
"Enable power-saving render C-state 6. "
|
|
"Different stages can be selected via bitmask values "
|
|
"(0 = disable; 1 = enable rc6; 2 = enable deep rc6; 4 = enable deepest rc6). "
|
|
"For example, 3 would enable rc6 and deep rc6, and 7 would enable everything. "
|
|
"default: -1 (use per-chip default)");
|
|
|
|
module_param_named(enable_fbc, i915.enable_fbc, int, 0600);
|
|
MODULE_PARM_DESC(enable_fbc,
|
|
"Enable frame buffer compression for power savings "
|
|
"(default: -1 (use per-chip default))");
|
|
|
|
module_param_named(lvds_downclock, i915.lvds_downclock, int, 0400);
|
|
MODULE_PARM_DESC(lvds_downclock,
|
|
"Use panel (LVDS/eDP) downclocking for power savings "
|
|
"(default: false)");
|
|
|
|
module_param_named(lvds_channel_mode, i915.lvds_channel_mode, int, 0600);
|
|
MODULE_PARM_DESC(lvds_channel_mode,
|
|
"Specify LVDS channel mode "
|
|
"(0=probe BIOS [default], 1=single-channel, 2=dual-channel)");
|
|
|
|
module_param_named(lvds_use_ssc, i915.panel_use_ssc, int, 0600);
|
|
MODULE_PARM_DESC(lvds_use_ssc,
|
|
"Use Spread Spectrum Clock with panels [LVDS/eDP] "
|
|
"(default: auto from VBT)");
|
|
|
|
module_param_named(vbt_sdvo_panel_type, i915.vbt_sdvo_panel_type, int, 0600);
|
|
MODULE_PARM_DESC(vbt_sdvo_panel_type,
|
|
"Override/Ignore selection of SDVO panel mode in the VBT "
|
|
"(-2=ignore, -1=auto [default], index in VBT BIOS table)");
|
|
|
|
module_param_named(reset, i915.reset, bool, 0600);
|
|
MODULE_PARM_DESC(reset, "Attempt GPU resets (default: true)");
|
|
|
|
module_param_named(enable_hangcheck, i915.enable_hangcheck, bool, 0644);
|
|
MODULE_PARM_DESC(enable_hangcheck,
|
|
"Periodically check GPU activity for detecting hangs. "
|
|
"WARNING: Disabling this can cause system wide hangs. "
|
|
"(default: true)");
|
|
|
|
module_param_named(enable_ppgtt, i915.enable_ppgtt, int, 0400);
|
|
MODULE_PARM_DESC(enable_ppgtt,
|
|
"Override PPGTT usage. "
|
|
"(-1=auto [default], 0=disabled, 1=aliasing, 2=full)");
|
|
|
|
module_param_named(enable_psr, i915.enable_psr, int, 0600);
|
|
MODULE_PARM_DESC(enable_psr, "Enable PSR (default: false)");
|
|
|
|
module_param_named(preliminary_hw_support, i915.preliminary_hw_support, int, 0600);
|
|
MODULE_PARM_DESC(preliminary_hw_support,
|
|
"Enable preliminary hardware support.");
|
|
|
|
module_param_named(disable_power_well, i915.disable_power_well, int, 0600);
|
|
MODULE_PARM_DESC(disable_power_well,
|
|
"Disable the power well when possible (default: true)");
|
|
|
|
module_param_named(enable_ips, i915.enable_ips, int, 0600);
|
|
MODULE_PARM_DESC(enable_ips, "Enable IPS (default: true)");
|
|
|
|
module_param_named(fastboot, i915.fastboot, bool, 0600);
|
|
MODULE_PARM_DESC(fastboot,
|
|
"Try to skip unnecessary mode sets at boot time (default: false)");
|
|
|
|
module_param_named(prefault_disable, i915.prefault_disable, bool, 0600);
|
|
MODULE_PARM_DESC(prefault_disable,
|
|
"Disable page prefaulting for pread/pwrite/reloc (default:false). "
|
|
"For developers only.");
|
|
|
|
module_param_named(invert_brightness, i915.invert_brightness, int, 0600);
|
|
MODULE_PARM_DESC(invert_brightness,
|
|
"Invert backlight brightness "
|
|
"(-1 force normal, 0 machine defaults, 1 force inversion), please "
|
|
"report PCI device ID, subsystem vendor and subsystem device ID "
|
|
"to dri-devel@lists.freedesktop.org, if your machine needs it. "
|
|
"It will then be included in an upcoming module version.");
|
|
|
|
module_param_named(disable_display, i915.disable_display, bool, 0600);
|
|
MODULE_PARM_DESC(disable_display, "Disable display (default: false)");
|
|
|
|
module_param_named(disable_vtd_wa, i915.disable_vtd_wa, bool, 0600);
|
|
MODULE_PARM_DESC(disable_vtd_wa, "Disable all VT-d workarounds (default: false)");
|
|
|
|
module_param_named(enable_cmd_parser, i915.enable_cmd_parser, int, 0600);
|
|
MODULE_PARM_DESC(enable_cmd_parser,
|
|
"Enable command parsing (1=enabled [default], 0=disabled)");
|