[Intel-gfx] [PATCH v7 2/6] drm/i915/uc: Do full sanitize instead of pure reset

[Chris Wilson]

Quoting Michal Wajdeczko (2019-08-02 19:40:51)
> On Gen9 when we try to reload HuC due to GuC upload error, we hit:
> 
> <7> [229.656688] [drm:intel_uc_init_hw [i915]] GuC fw load failed: -8; will reset and retry 2 more time(s)
> <7> [229.656739] [drm:intel_uc_fw_upload [i915]] HuC fw load i915/kbl_huc_ver02_00_1810.bin
> <3> [229.656740] intel_uc_fw_upload:425 GEM_BUG_ON(intel_uc_fw_is_loaded(uc_fw))
> 
> as we performed only pure reset and didn't sanitized HuC fw status.
> 
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio at intel.com>
> Cc: Chris Wilson <chris at chris-wilson.co.uk>
Looks reasonable,
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
-Chris