Re: [PATCH] drm/i915/uc: Don't sanitize guc_log_level modparam

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Quoting Michal Wajdeczko (2019-07-26 05:47:03)
> On Thu, 25 Jul 2019 23:44:08 +0200, Chris Wilson  
> <chris@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > Quoting Michal Wajdeczko (2019-07-25 21:51:06)
> >> We are already storing runtime value of log level in private
> >> field, so there is no need to modify modparam.
> >
> > There is an aspect of communicating the clamped value back to the user.
> > Does that have any value or alternative?
> 
> Actual (clamped or default) value of the GuC log level is exposed in
> i915_guc_log_level debugfs entry. User can modify it from there too.

Why? :) I fail to see why we have two methods of setting a variable, if
we want a callback on modparam we can supply a param_ops.set()...

Just being a nuisance, we should be planning sysfs/gt/ controls.
-Chris
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