On Tue, Mar 07, 2023 at 12:12:46PM -0800, Matt Roper wrote: > On Tue, Mar 07, 2023 at 12:22:38AM -0300, Gustavo Sousa wrote: > > Wa_1606376872 applies to all Xe_LP IPs. > > "...except DG1" Oh, okay. I thought there was distinction between Xe_LP and Xe_LP+. > > Aside from that, > > Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx> Thanks for the review, Matt! Should I send a v2 or can the amend suggested above be done while applying? -- Gustavo Sousa > > > > > Signed-off-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx> > > --- > > drivers/gpu/drm/i915/gt/intel_gt_regs.h | 3 +++ > > drivers/gpu/drm/i915/gt/intel_workarounds.c | 6 +++++- > > 2 files changed, 8 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/i915/gt/intel_gt_regs.h b/drivers/gpu/drm/i915/gt/intel_gt_regs.h > > index 08d76aa06974..4aecb5a7b631 100644 > > --- a/drivers/gpu/drm/i915/gt/intel_gt_regs.h > > +++ b/drivers/gpu/drm/i915/gt/intel_gt_regs.h > > @@ -478,6 +478,9 @@ > > #define HDC_FORCE_NON_COHERENT (1 << 4) > > #define HDC_BARRIER_PERFORMANCE_DISABLE (1 << 10) > > > > +#define COMMON_SLICE_CHICKEN4 _MMIO(0x7300) > > +#define DISABLE_TDC_LOAD_BALANCING_CALC REG_BIT(6) > > + > > #define GEN8_HDC_CHICKEN1 _MMIO(0x7304) > > > > #define GEN11_COMMON_SLICE_CHICKEN3 _MMIO(0x7304) > > diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c > > index 32aa1647721a..8092f289c492 100644 > > --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c > > +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c > > @@ -743,9 +743,13 @@ static void gen12_ctx_workarounds_init(struct intel_engine_cs *engine, > > FF_MODE2_GS_TIMER_224, > > 0, false); > > > > - if (!IS_DG1(i915)) > > + if (!IS_DG1(i915)) { > > /* Wa_1806527549 */ > > wa_masked_en(wal, HIZ_CHICKEN, HZ_DEPTH_TEST_LE_GE_OPT_DISABLE); > > + > > + /* Wa_1606376872 */ > > + wa_masked_en(wal, COMMON_SLICE_CHICKEN4, DISABLE_TDC_LOAD_BALANCING_CALC); > > + } > > } > > > > static void dg1_ctx_workarounds_init(struct intel_engine_cs *engine, > > -- > > 2.39.2 > > > > -- > Matt Roper > Graphics Software Engineer > Linux GPU Platform Enablement > Intel Corporation