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

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On Tue, 16 Feb 2016, Daniel Vetter <daniel@xxxxxxxx> wrote:
> 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@xxxxxxxxx>
>
> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>

Pushed both to drm-intel-next-queued, thanks for the review.

BR,
Jani.

>
>> ---
>>  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@xxxxxxxxxxxxxxxxxxxxx, 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@xxxxxxxxxxxxxxxxxxxxx
>> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Jani Nikula, Intel Open Source Technology Center
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