diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_mocs.c')
-rw-r--r-- | drivers/gpu/drm/i915/gt/intel_mocs.c | 62 |
1 files changed, 40 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c index 1f9db50b1869..e082b25d2db1 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.c +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c @@ -23,6 +23,7 @@ #include "i915_drv.h" #include "intel_engine.h" +#include "intel_gt.h" #include "intel_mocs.h" #include "intel_lrc.h" @@ -247,7 +248,7 @@ static const struct drm_i915_mocs_entry icelake_mocs_table[] = { /** * get_mocs_settings() - * @dev_priv: i915 device. + * @gt: gt device * @table: Output table that will be made to point at appropriate * MOCS values for the device. * @@ -257,33 +258,34 @@ static const struct drm_i915_mocs_entry icelake_mocs_table[] = { * * Return: true if there are applicable MOCS settings for the device. */ -static bool get_mocs_settings(struct drm_i915_private *dev_priv, +static bool get_mocs_settings(struct intel_gt *gt, struct drm_i915_mocs_table *table) { + struct drm_i915_private *i915 = gt->i915; bool result = false; - if (INTEL_GEN(dev_priv) >= 11) { + if (INTEL_GEN(i915) >= 11) { table->size = ARRAY_SIZE(icelake_mocs_table); table->table = icelake_mocs_table; table->n_entries = GEN11_NUM_MOCS_ENTRIES; result = true; - } else if (IS_GEN9_BC(dev_priv) || IS_CANNONLAKE(dev_priv)) { + } else if (IS_GEN9_BC(i915) || IS_CANNONLAKE(i915)) { table->size = ARRAY_SIZE(skylake_mocs_table); table->n_entries = GEN9_NUM_MOCS_ENTRIES; table->table = skylake_mocs_table; result = true; - } else if (IS_GEN9_LP(dev_priv)) { + } else if (IS_GEN9_LP(i915)) { table->size = ARRAY_SIZE(broxton_mocs_table); table->n_entries = GEN9_NUM_MOCS_ENTRIES; table->table = broxton_mocs_table; result = true; } else { - WARN_ONCE(INTEL_GEN(dev_priv) >= 9, + WARN_ONCE(INTEL_GEN(i915) >= 9, "Platform that should have a MOCS table does not.\n"); } /* WaDisableSkipCaching:skl,bxt,kbl,glk */ - if (IS_GEN(dev_priv, 9)) { + if (IS_GEN(i915, 9)) { int i; for (i = 0; i < table->size; i++) @@ -338,12 +340,16 @@ static u32 get_entry_control(const struct drm_i915_mocs_table *table, */ void intel_mocs_init_engine(struct intel_engine_cs *engine) { - struct drm_i915_private *dev_priv = engine->i915; + struct intel_gt *gt = engine->gt; + struct intel_uncore *uncore = gt->uncore; struct drm_i915_mocs_table table; unsigned int index; u32 unused_value; - if (!get_mocs_settings(dev_priv, &table)) + /* Called under a blanket forcewake */ + assert_forcewakes_active(uncore, FORCEWAKE_ALL); + + if (!get_mocs_settings(gt, &table)) return; /* Set unused values to PTE */ @@ -352,12 +358,16 @@ void intel_mocs_init_engine(struct intel_engine_cs *engine) for (index = 0; index < table.size; index++) { u32 value = get_entry_control(&table, index); - I915_WRITE(mocs_register(engine->id, index), value); + intel_uncore_write_fw(uncore, + mocs_register(engine->id, index), + value); } /* All remaining entries are also unused */ for (; index < table.n_entries; index++) - I915_WRITE(mocs_register(engine->id, index), unused_value); + intel_uncore_write_fw(uncore, + mocs_register(engine->id, index), + unused_value); } /** @@ -490,7 +500,7 @@ static int emit_mocs_l3cc_table(struct i915_request *rq, /** * intel_mocs_init_l3cc_table() - program the mocs control table - * @dev_priv: i915 device private + * @gt: the intel_gt container * * This function simply programs the mocs registers for the given table * starting at the given address. This register set is programmed in pairs. @@ -502,13 +512,14 @@ static int emit_mocs_l3cc_table(struct i915_request *rq, * * Return: Nothing. */ -void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv) +void intel_mocs_init_l3cc_table(struct intel_gt *gt) { + struct intel_uncore *uncore = gt->uncore; struct drm_i915_mocs_table table; unsigned int i; u16 unused_value; - if (!get_mocs_settings(dev_priv, &table)) + if (!get_mocs_settings(gt, &table)) return; /* Set unused values to PTE */ @@ -518,23 +529,27 @@ void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv) u16 low = get_entry_l3cc(&table, 2 * i); u16 high = get_entry_l3cc(&table, 2 * i + 1); - I915_WRITE(GEN9_LNCFCMOCS(i), - l3cc_combine(&table, low, high)); + intel_uncore_write(uncore, + GEN9_LNCFCMOCS(i), + l3cc_combine(&table, low, high)); } /* Odd table size - 1 left over */ if (table.size & 0x01) { u16 low = get_entry_l3cc(&table, 2 * i); - I915_WRITE(GEN9_LNCFCMOCS(i), - l3cc_combine(&table, low, unused_value)); + intel_uncore_write(uncore, + GEN9_LNCFCMOCS(i), + l3cc_combine(&table, low, unused_value)); i++; } /* All remaining entries are also unused */ for (; i < table.n_entries / 2; i++) - I915_WRITE(GEN9_LNCFCMOCS(i), - l3cc_combine(&table, unused_value, unused_value)); + intel_uncore_write(uncore, + GEN9_LNCFCMOCS(i), + l3cc_combine(&table, unused_value, + unused_value)); } /** @@ -553,12 +568,15 @@ void intel_mocs_init_l3cc_table(struct drm_i915_private *dev_priv) * * Return: 0 on success, otherwise the error status. */ -int intel_rcs_context_init_mocs(struct i915_request *rq) +int intel_mocs_emit(struct i915_request *rq) { struct drm_i915_mocs_table t; int ret; - if (get_mocs_settings(rq->i915, &t)) { + if (rq->engine->class != RENDER_CLASS) + return 0; + + if (get_mocs_settings(rq->engine->gt, &t)) { /* Program the RCS control registers */ ret = emit_mocs_control_table(rq, &t); if (ret) |