On Tue, May 10, 2022 at 11:02:28PM -0700, Matt Roper wrote:
> From: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
>
> Disable HuC loading since it is not used on these platforms.
>
> Cc: Stuart Summers <stuart.summ...@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atw...@intel.com>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
> Signed-off-by: Matt Roper <matthew.d.ro...@intel.com>
> ---
> drivers/gpu/drm/i915/gt/uc/intel_uc.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
> b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
> index ecf149c5fdb0..55e1eb8f3612 100644
> --- a/drivers/gpu/drm/i915/gt/uc/intel_uc.c
> +++ b/drivers/gpu/drm/i915/gt/uc/intel_uc.c
> @@ -45,6 +45,10 @@ static void uc_expand_default_options(struct intel_uc *uc)
>
> /* Default: enable HuC authentication and GuC submission */
> i915->params.enable_guc = ENABLE_GUC_LOAD_HUC | ENABLE_GUC_SUBMISSION;
> +
> + /* XEHPSDV and PVC do not use HuC */
> + if (IS_XEHPSDV(i915) || IS_PONTEVECCHIO(i915))
> + i915->params.enable_guc &= ~ENABLE_GUC_LOAD_HUC;
> }
>
> /* Reset GuC providing us with fresh state for both GuC and HuC.
> --
> 2.35.1
>
