Chris Wilson <[email protected]> writes: > From: Kenneth Graunke <[email protected]> > > The Demand Prefetch workaround (binding table prefetching) only applies > to Icelake A0/B0. But the Sampler Prefetch workaround needs to be > applied to all Gen11 steppings, according to a programming note in the > SARCHKMD documentation. > > Using the Intel Gallium driver, I have seen intermittent failures in > the dEQP-GLES31.functional.copy_image.non_compressed.* tests. After > applying this workaround, the tests reliably pass. > > v2: Remove the overlap with a pre-production w/a > > BSpec: 9663 > Signed-off-by: Kenneth Graunke <[email protected]> > Signed-off-by: Chris Wilson <[email protected]> > Cc: [email protected]
Reviewed-by: Mika Kuoppala <[email protected]> > --- > drivers/gpu/drm/i915/gt/intel_workarounds.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c > b/drivers/gpu/drm/i915/gt/intel_workarounds.c > index c70445adfb02..993804d09517 100644 > --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c > +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c > @@ -1252,8 +1252,12 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, > struct i915_wa_list *wal) > if (IS_ICL_REVID(i915, ICL_REVID_A0, ICL_REVID_B0)) > wa_write_or(wal, > GEN7_SARCHKMD, > - GEN7_DISABLE_DEMAND_PREFETCH | > - GEN7_DISABLE_SAMPLER_PREFETCH); > + GEN7_DISABLE_DEMAND_PREFETCH); > + > + /* Wa_1606682166:icl */ > + wa_write_or(wal, > + GEN7_SARCHKMD, > + GEN7_DISABLE_SAMPLER_PREFETCH); > } > > if (IS_GEN_RANGE(i915, 9, 11)) { > -- > 2.20.1 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
