On Wed, Apr 27, 2022 at 09:19:24PM -0700, Matt Roper wrote: > Compute engines have a separate register that the driver should use to > perform MMIO-based TLB invalidation. > > Note that the term "context" in this register's bspec description is > used to refer to the engine instance (in the same way "context" is used > on bspec 46167). > > Bspec: 43930 > Cc: Prathap Kumar Valsan <prathap.kumar.valsan@xxxxxxxxx> > Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx> > Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx> > --- > drivers/gpu/drm/i915/gt/intel_gt.c | 1 + > drivers/gpu/drm/i915/gt/intel_gt_regs.h | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c > index 92394f13b42f..53307ca0eed0 100644 > --- a/drivers/gpu/drm/i915/gt/intel_gt.c > +++ b/drivers/gpu/drm/i915/gt/intel_gt.c > @@ -1175,6 +1175,7 @@ void intel_gt_invalidate_tlbs(struct intel_gt *gt) > [VIDEO_DECODE_CLASS] = GEN12_VD_TLB_INV_CR, > [VIDEO_ENHANCEMENT_CLASS] = GEN12_VE_TLB_INV_CR, > [COPY_ENGINE_CLASS] = GEN12_BLT_TLB_INV_CR, > + [COMPUTE_CLASS] = GEN12_COMPCTX_TLB_INV_CR, > }; > struct drm_i915_private *i915 = gt->i915; > struct intel_uncore *uncore = gt->uncore; > diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h > index a39718a40cc3..a0a49c16babd 100644 > --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h > +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h > @@ -1007,6 +1007,7 @@ > #define GEN12_VD_TLB_INV_CR _MMIO(0xcedc) > #define GEN12_VE_TLB_INV_CR _MMIO(0xcee0) > #define GEN12_BLT_TLB_INV_CR _MMIO(0xcee4) > +#define GEN12_COMPCTX_TLB_INV_CR _MMIO(0xcf04) > > #define GEN12_MERT_MOD_CTRL _MMIO(0xcf28) > #define RENDER_MOD_CTRL _MMIO(0xcf2c) Reviewed-by: Prathap Kumar Valsan <prathap.kumar.valsan@xxxxxxxxx> > -- > 2.35.1 >
