diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 42 |
1 files changed, 28 insertions, 14 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 59cf28baa472..a68d279b01f0 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -2102,13 +2102,6 @@ rcs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) /* Wa_1509235366:dg2 */ wa_write_or(wal, GEN12_GAMCNTRL_CTRL, INVALIDATION_BROADCAST_MODE_DIS | GLOBAL_INVALIDATION_MODE); - - /* - * The following are not actually "workarounds" but rather - * recommended tuning settings documented in the bspec's - * performance guide section. - */ - wa_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS); } if (IS_DG2_GRAPHICS_STEP(i915, G11, STEP_A0, STEP_B0)) { @@ -2677,6 +2670,32 @@ ccs_engine_wa_init(struct intel_engine_cs *engine, struct i915_wa_list *wal) } /* + * The bspec performance guide has recommended MMIO tuning settings. These + * aren't truly "workarounds" but we want to program them with the same + * workaround infrastructure to ensure that they're automatically added to + * the GuC save/restore lists, re-applied at the right times, and checked for + * any conflicting programming requested by real workarounds. + * + * Programming settings should be added here only if their registers are not + * part of an engine's register state context. If a register is part of a + * context, then any tuning settings should be programmed in an appropriate + * function invoked by __intel_engine_init_ctx_wa(). + */ +static void +add_render_compute_tuning_settings(struct drm_i915_private *i915, + struct i915_wa_list *wal) +{ + if (IS_PONTEVECCHIO(i915)) { + wa_write(wal, XEHPC_L3SCRUB, + SCRUB_CL_DWNGRADE_SHARED | SCRUB_RATE_4B_PER_CLK); + } + + if (IS_DG2(i915)) { + wa_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS); + } +} + +/* * The workarounds in this function apply to shared registers in * the general render reset domain that aren't tied to a * specific engine. Since all render+compute engines get reset @@ -2690,14 +2709,9 @@ general_render_compute_wa_init(struct intel_engine_cs *engine, struct i915_wa_li { struct drm_i915_private *i915 = engine->i915; - if (IS_PONTEVECCHIO(i915)) { - /* - * The following is not actually a "workaround" but rather - * a recommended tuning setting documented in the bspec's - * performance guide section. - */ - wa_write(wal, XEHPC_L3SCRUB, SCRUB_CL_DWNGRADE_SHARED | SCRUB_RATE_4B_PER_CLK); + add_render_compute_tuning_settings(i915, wal); + if (IS_PONTEVECCHIO(i915)) { /* Wa_16016694945 */ wa_masked_en(wal, XEHPC_LNCFMISCCFGREG0, XEHPC_OVRLSCCC); } |