On Tue, May 10, 2022 at 11:02:28PM -0700, Matt Roper wrote: > From: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx> > > Disable HuC loading since it is not used on these platforms. > > Cc: Stuart Summers <stuart.summers@xxxxxxxxx> Reviewed-by: Matt Atwood <matthew.s.atwood@xxxxxxxxx> > Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx> > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> > --- > 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 >
