Quoting Michal Wajdeczko (2018-08-29 22:10:36)
> Upcoming Gen11 GuC firmware requires new interface that is incompatible
> with existing pre-Gen11 firmwares. Updated firmwares for pre-Gen11 will
> arrive later. In the meantime sanitize the enable_guc option so that we
> can enable HuC authentication but nothing else on pre-Gen11.
>
> Signed-off-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
> Cc: Michel Thierry <michel.thierry@xxxxxxxxx>
> Cc: John Spotswood <john.a.spotswood@xxxxxxxxx>
> Cc: Vinay Belgaumkar <vinay.belgaumkar@xxxxxxxxx>
> Cc: Tony Ye <tony.ye@xxxxxxxxx>
> Cc: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
> Cc: Jeff Mcgee <jeff.mcgee@xxxxxxxxx>
> Cc: Antonio Argenziano <antonio.argenziano@xxxxxxxxx>
> Cc: Sujaritha Sundaresan <sujaritha.sundaresan@xxxxxxxxx>
<SNIP>
> @@ -292,6 +301,12 @@ int intel_uc_init(struct drm_i915_private *i915)
> return ret;
>
> if (USES_GUC_SUBMISSION(i915)) {
> +
Extra newline.
Regards, Joonas
> + if (INTEL_GEN(i915) < 11) {
> + intel_guc_fini(guc);
> + return -EIO;
> + }
> +
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