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drm/i915: drop write perm from module params which don't support changing 

We've given write permissions to dynamically change some module
parameters through /sys/module/i915/parameters although they only
support setting on module load. Fix the permissions.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455621493-6865-1-git-send-email-jani.nikula@intel.com
This commit is contained in:
Jani Nikula 2016-02-16 13:18:12 +02:00
parent 0aa8bdf25b
commit 57b63d00df
1 changed files with 4 additions and 4 deletions
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8
drivers/gpu/drm/i915/i915_params.c
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@ -92,7 +92,7 @@ MODULE_PARM_DESC(enable_fbc,
"Enable frame buffer compression for power savings "
"(default: -1 (use per-chip default))");
module_param_named_unsafe(lvds_channel_mode, i915.lvds_channel_mode, int, 0600);
module_param_named_unsafe(lvds_channel_mode, i915.lvds_channel_mode, int, 0400);
MODULE_PARM_DESC(lvds_channel_mode,
"Specify LVDS channel mode "
"(0=probe BIOS [default], 1=single-channel, 2=dual-channel)");
@ -102,7 +102,7 @@ MODULE_PARM_DESC(lvds_use_ssc,
"Use Spread Spectrum Clock with panels [LVDS/eDP] "
"(default: auto from VBT)");
module_param_named_unsafe(vbt_sdvo_panel_type, i915.vbt_sdvo_panel_type, int, 0600);
module_param_named_unsafe(vbt_sdvo_panel_type, i915.vbt_sdvo_panel_type, int, 0400);
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)");
@ -131,7 +131,7 @@ MODULE_PARM_DESC(enable_psr, "Enable PSR "
"(0=disabled, 1=enabled - link mode chosen per-platform, 2=force link-standby mode, 3=force link-off mode) "
"Default: -1 (use per-chip default)");
module_param_named_unsafe(preliminary_hw_support, i915.preliminary_hw_support, int, 0600);
module_param_named_unsafe(preliminary_hw_support, i915.preliminary_hw_support, int, 0400);
MODULE_PARM_DESC(preliminary_hw_support,
"Enable preliminary hardware support.");
@ -165,7 +165,7 @@ MODULE_PARM_DESC(invert_brightness,
"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_param_named(disable_display, i915.disable_display, bool, 0400);
MODULE_PARM_DESC(disable_display, "Disable display (default: false)");
module_param_named_unsafe(disable_vtd_wa, i915.disable_vtd_wa, bool, 0600);