On Wed, 2019-03-13 at 14:11 -0700, Rodrigo Vivi wrote: > From: Bob Paauwe <[email protected]> > > EHL has a different number of subslices. >
Reviewed-by: José Roberto de Souza <[email protected]> > Cc: Lucas De Marchi <[email protected]> > Signed-off-by: Bob Paauwe <[email protected]> > Signed-off-by: Rodrigo Vivi <[email protected]> > --- > drivers/gpu/drm/i915/intel_device_info.c | 12 +++++++++--- > 1 file changed, 9 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_device_info.c > b/drivers/gpu/drm/i915/intel_device_info.c > index c8c0f4134bdb..31411f1cdbb4 100644 > --- a/drivers/gpu/drm/i915/intel_device_info.c > +++ b/drivers/gpu/drm/i915/intel_device_info.c > @@ -156,9 +156,15 @@ static void gen11_sseu_info_init(struct > drm_i915_private *dev_priv) > u8 eu_en; > int s; > > - sseu->max_slices = 1; > - sseu->max_subslices = 8; > - sseu->max_eus_per_subslice = 8; > + if (IS_ELKHARTLAKE(dev_priv)) { > + sseu->max_slices = 1; > + sseu->max_subslices = 4; > + sseu->max_eus_per_subslice = 8; > + } else { > + sseu->max_slices = 1; > + sseu->max_subslices = 8; > + sseu->max_eus_per_subslice = 8; > + } > > s_en = I915_READ(GEN11_GT_SLICE_ENABLE) & GEN11_GT_S_ENA_MASK; > ss_en = ~I915_READ(GEN11_GT_SUBSLICE_DISABLE);
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