[Intel-gfx] [PATCH 1/2] drm/i915: drop write perm from module params which don't support changing

[Daniel Vetter]

On Tue, Feb 16, 2016 at 01:18:12PM +0200, Jani Nikula wrote:
> 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.
> 
> Signed-off-by: Jani Nikula <jani.nikula at intel.com>

Reviewed-by: Daniel Vetter <daniel.vetter at ffwll.ch>

> ---
>  drivers/gpu/drm/i915/i915_params.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
> index 8b9f36814165..b01245751086 100644
> --- a/drivers/gpu/drm/i915/i915_params.c
> +++ b/drivers/gpu/drm/i915/i915_params.c
> @@ -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)");
> @@ -130,7 +130,7 @@ module_param_named_unsafe(enable_psr, i915.enable_psr, int, 0600);
>  MODULE_PARM_DESC(enable_psr, "Enable PSR "
>  		 "(0=disabled [default], 1=enabled - link mode chosen per-platform, 2=force link-standby mode, 3=force link-off mode)");
>  
> -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.");
>  
> @@ -164,7 +164,7 @@ MODULE_PARM_DESC(invert_brightness,
>  	"to dri-devel at 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);
> -- 
> 2.1.4
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch