From f616de0e24d344f98bc0b0bacd3236d65e2efab9 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 12 Nov 2019 22:35:58 +0000 Subject: [PATCH] drm/i915/gt: Tidy up debug-warns for the mocs control table As we always run new platforms through CI, we only need the debug code compiled in during CI runs. Signed-off-by: Chris Wilson Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20191112223600.30993-2-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/gt/intel_mocs.c | 30 +++++++++++------------------- 1 file changed, 11 insertions(+), 19 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c index 6032633..dfc3eda 100644 --- a/drivers/gpu/drm/i915/gt/intel_mocs.c +++ b/drivers/gpu/drm/i915/gt/intel_mocs.c @@ -283,44 +283,42 @@ static const struct drm_i915_mocs_entry icelake_mocs_table[] = { static bool get_mocs_settings(const struct drm_i915_private *i915, struct drm_i915_mocs_table *table) { - bool result = false; - if (INTEL_GEN(i915) >= 12) { table->size = ARRAY_SIZE(tigerlake_mocs_table); table->table = tigerlake_mocs_table; table->n_entries = GEN11_NUM_MOCS_ENTRIES; - result = true; } else if (IS_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(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(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(i915) >= 9, "Platform that should have a MOCS table does not.\n"); + return false; } + if (GEM_DEBUG_WARN_ON(table->size > table->n_entries)) + return false; + /* WaDisableSkipCaching:skl,bxt,kbl,glk */ if (IS_GEN(i915, 9)) { int i; for (i = 0; i < table->size; i++) - if (WARN_ON(table->table[i].l3cc_value & - (L3_ESC(1) | L3_SCC(0x7)))) + if (GEM_DEBUG_WARN_ON(table->table[i].l3cc_value & + (L3_ESC(1) | L3_SCC(0x7)))) return false; } - return result; + return true; } static i915_reg_t mocs_register(const struct intel_engine_cs *engine, int index) @@ -389,9 +387,7 @@ static u16 get_entry_l3cc(const struct drm_i915_mocs_table *table, return table->table[I915_MOCS_PTE].l3cc_value; } -static inline u32 l3cc_combine(const struct drm_i915_mocs_table *table, - u16 low, - u16 high) +static inline u32 l3cc_combine(u16 low, u16 high) { return low | (u32)high << 16; } @@ -409,7 +405,7 @@ static void init_l3cc_table(struct intel_engine_cs *engine, intel_uncore_write(uncore, GEN9_LNCFCMOCS(i), - l3cc_combine(table, low, high)); + l3cc_combine(low, high)); } /* Odd table size - 1 left over */ @@ -418,7 +414,7 @@ static void init_l3cc_table(struct intel_engine_cs *engine, intel_uncore_write(uncore, GEN9_LNCFCMOCS(i), - l3cc_combine(table, low, unused_value)); + l3cc_combine(low, unused_value)); i++; } @@ -426,8 +422,7 @@ static void init_l3cc_table(struct intel_engine_cs *engine, for (; i < table->n_entries / 2; i++) intel_uncore_write(uncore, GEN9_LNCFCMOCS(i), - l3cc_combine(table, unused_value, - unused_value)); + l3cc_combine(unused_value, unused_value)); } void intel_mocs_init_engine(struct intel_engine_cs *engine) @@ -465,9 +460,6 @@ static void intel_mocs_init_global(struct intel_gt *gt) if (!get_mocs_settings(gt->i915, &table)) return; - if (GEM_DEBUG_WARN_ON(table.size > table.n_entries)) - return; - for (index = 0; index < table.size; index++) intel_uncore_write(uncore, GEN12_GLOBAL_MOCS(index), -- 2.7.4