On Thu, Jul 25, 2019 at 05:02:26PM -0700, Lucas De Marchi wrote: > From: Michel Thierry <michel.thierry@xxxxxxxxx> > > Enable Small PL for power benefit. > > Signed-off-by: Michel Thierry <michel.thierry@xxxxxxxxx> > Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> > Reviewed-by: Stuart Summers <stuart.summers@xxxxxxxxx> Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx> > Link: https://patchwork.freedesktop.org/patch/msgid/20190713010940.17711-18-lucas.demarchi@xxxxxxxxx > --- > drivers/gpu/drm/i915/gt/intel_workarounds.c | 5 +++++ > drivers/gpu/drm/i915/i915_reg.h | 3 +++ > 2 files changed, 8 insertions(+) > > diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c > index 3235ef355dfd..830ccd416a29 100644 > --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c > +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c > @@ -1279,6 +1279,11 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) > wa_write_or(wal, > GEN12_L3SQCREG2, > GEN12_LQSC_FLUSH_COHERENT_LINES); > + > + /* Wa_1406941453:tgl */ > + wa_masked_en(wal, > + SAMPLER_MODE, > + SAMPLER_ENABLE_SMALL_PL); > } > > if (IS_GEN(i915, 11)) { > diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h > index fbbb89f6ca2f..71efb37f54a3 100644 > --- a/drivers/gpu/drm/i915/i915_reg.h > +++ b/drivers/gpu/drm/i915/i915_reg.h > @@ -8965,6 +8965,9 @@ enum { > #define GEN9_DG_MIRROR_FIX_ENABLE (1 << 5) > #define GEN9_CCS_TLB_PREFETCH_ENABLE (1 << 3) > > +#define SAMPLER_MODE _MMIO(0xe18c) > +#define SAMPLER_ENABLE_SMALL_PL (1 << 15) > + > #define GEN8_ROW_CHICKEN _MMIO(0xe4f0) > #define FLOW_CONTROL_ENABLE (1 << 15) > #define PARTIAL_INSTRUCTION_SHOOTDOWN_DISABLE (1 << 8) > -- > 2.21.0 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
