On Thu, Apr 18, 2019 at 3:06 AM Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx> wrote: > > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > WaEnableStateCacheRedirectToCS context workaround configures the L3 cache > to benefit 3d workloads but media has different requirements. > > Remove the workaround and whitelist the register to allow any userspace > configure the behaviour to their liking. > > v2: > * Remove the workaround apart from adding the whitelist. > > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > Cc: Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx> > Cc: kevin.ma@xxxxxxxxx > Cc: xiaogang.li@xxxxxxxxx > --- > drivers/gpu/drm/i915/intel_workarounds.c | 7 +++---- > 1 file changed, 3 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c > index b3cbed1ee1c9..baed186724d2 100644 > --- a/drivers/gpu/drm/i915/intel_workarounds.c > +++ b/drivers/gpu/drm/i915/intel_workarounds.c > @@ -556,10 +556,6 @@ static void icl_ctx_workarounds_init(struct intel_engine_cs *engine) > WA_SET_BIT_MASKED(GEN7_ROW_CHICKEN2, > GEN11_TDL_CLOCK_GATING_FIX_DISABLE); > > - /* WaEnableStateCacheRedirectToCS:icl */ > - WA_SET_BIT_MASKED(GEN9_SLICE_COMMON_ECO_CHICKEN1, > - GEN11_STATE_CACHE_REDIRECT_TO_CS); > - > /* Wa_2006665173:icl (pre-prod) */ > if (IS_ICL_REVID(i915, ICL_REVID_A0, ICL_REVID_A0)) > WA_SET_BIT_MASKED(GEN11_COMMON_SLICE_CHICKEN3, > @@ -1070,6 +1066,9 @@ static void icl_whitelist_build(struct i915_wa_list *w) > > /* WaAllowUMDToModifySamplerMode:icl */ > whitelist_reg(w, GEN10_SAMPLER_MODE); > + > + /* WaEnableStateCacheRedirectToCS:icl */ > + whitelist_reg(w, GEN9_SLICE_COMMON_ECO_CHICKEN1); > } > > void intel_engine_init_whitelist(struct intel_engine_cs *engine) > -- > 2.19.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx Acked-by: Anuj Phogat <anuj.phogat@xxxxxxxxx> _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
