Re: [PATCH 3/3] drm/i915/uc: Never fail on HuC firmware errors

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Quoting Michal Wajdeczko (2019-08-18 11:16:56)
> On Sun, 18 Aug 2019 12:00:11 +0200, Chris Wilson  
> <chris@xxxxxxxxxxxxxxxxxx> wrote:
> 
> > Quoting Michal Wajdeczko (2019-08-18 10:52:04)
> >> There is no need to mark whole GPU as wedged just because
> >> of the custom HuC fw failure as users can always verify
> >> actual HuC firmware status using existing HUC_STATUS ioctl.
> >
> > If we try and fail, would it not be worth a dev_notice?
> 
> if GuC is ok and if HuC was enabled there will be something like this:
> 
> <6> i915 0000:00:02.0: GuC firmware i915/kbl_guc_33.0.0.bin version 33.0  
> submission:disabled
> <6> i915 0000:00:02.0: HuC firmware i915/kbl_huc_ver02_00_1810.bin version  
> 2.0 authenticated:no
> 
> otherwise we should get:
> 
> <5> i915 0000:00:02.0: GuC is uninitialized

But can we not fail to load HuC leaving GuC setup? E.g. for the fabled
submission backend?
-Chris
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