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drm/i915/gt: Tidy up debug-warns for the mocs control table

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As we always run new platforms through CI, we only need the debug code
compiled in during CI runs.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191112223600.30993-2-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-11-12 22:35:58 +00:00
parent 93975d613e
commit f616de0e24
1 changed files with 11 additions and 19 deletions
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30
drivers/gpu/drm/i915/gt/intel_mocs.c
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@ -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, static bool get_mocs_settings(const struct drm_i915_private *i915,
struct drm_i915_mocs_table *table) struct drm_i915_mocs_table *table)
{ {
bool result = false;
if (INTEL_GEN(i915) >= 12) { if (INTEL_GEN(i915) >= 12) {
table->size = ARRAY_SIZE(tigerlake_mocs_table); table->size = ARRAY_SIZE(tigerlake_mocs_table);
table->table = tigerlake_mocs_table; table->table = tigerlake_mocs_table;
table->n_entries = GEN11_NUM_MOCS_ENTRIES; table->n_entries = GEN11_NUM_MOCS_ENTRIES;
result = true;
} else if (IS_GEN(i915, 11)) { } else if (IS_GEN(i915, 11)) {
table->size = ARRAY_SIZE(icelake_mocs_table); table->size = ARRAY_SIZE(icelake_mocs_table);
table->table = icelake_mocs_table; table->table = icelake_mocs_table;
table->n_entries = GEN11_NUM_MOCS_ENTRIES; table->n_entries = GEN11_NUM_MOCS_ENTRIES;
result = true;
} else if (IS_GEN9_BC(i915) || IS_CANNONLAKE(i915)) { } else if (IS_GEN9_BC(i915) || IS_CANNONLAKE(i915)) {
table->size = ARRAY_SIZE(skylake_mocs_table); table->size = ARRAY_SIZE(skylake_mocs_table);
table->n_entries = GEN9_NUM_MOCS_ENTRIES; table->n_entries = GEN9_NUM_MOCS_ENTRIES;
table->table = skylake_mocs_table; table->table = skylake_mocs_table;
result = true;
} else if (IS_GEN9_LP(i915)) { } else if (IS_GEN9_LP(i915)) {
table->size = ARRAY_SIZE(broxton_mocs_table); table->size = ARRAY_SIZE(broxton_mocs_table);
table->n_entries = GEN9_NUM_MOCS_ENTRIES; table->n_entries = GEN9_NUM_MOCS_ENTRIES;
table->table = broxton_mocs_table; table->table = broxton_mocs_table;
result = true;
} else { } else {
WARN_ONCE(INTEL_GEN(i915) >= 9, WARN_ONCE(INTEL_GEN(i915) >= 9,
"Platform that should have a MOCS table does not.\n"); "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 */ /* WaDisableSkipCaching:skl,bxt,kbl,glk */
if (IS_GEN(i915, 9)) { if (IS_GEN(i915, 9)) {
int i; int i;
for (i = 0; i < table->size; i++) for (i = 0; i < table->size; i++)
if (WARN_ON(table->table[i].l3cc_value & if (GEM_DEBUG_WARN_ON(table->table[i].l3cc_value &
(L3_ESC(1) | L3_SCC(0x7)))) (L3_ESC(1) | L3_SCC(0x7))))
return false; return false;
} }
return result; return true;
} }
static i915_reg_t mocs_register(const struct intel_engine_cs *engine, int index) 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; return table->table[I915_MOCS_PTE].l3cc_value;
} }
static inline u32 l3cc_combine(const struct drm_i915_mocs_table *table, static inline u32 l3cc_combine(u16 low, u16 high)
u16 low,
u16 high)
{ {
return low | (u32)high << 16; return low | (u32)high << 16;
} }
@ -409,7 +405,7 @@ static void init_l3cc_table(struct intel_engine_cs *engine,
intel_uncore_write(uncore, intel_uncore_write(uncore,
GEN9_LNCFCMOCS(i), GEN9_LNCFCMOCS(i),
l3cc_combine(table, low, high)); l3cc_combine(low, high));
} }
/* Odd table size - 1 left over */ /* Odd table size - 1 left over */
@ -418,7 +414,7 @@ static void init_l3cc_table(struct intel_engine_cs *engine,
intel_uncore_write(uncore, intel_uncore_write(uncore,
GEN9_LNCFCMOCS(i), GEN9_LNCFCMOCS(i),
l3cc_combine(table, low, unused_value)); l3cc_combine(low, unused_value));
i++; i++;
} }
@ -426,8 +422,7 @@ static void init_l3cc_table(struct intel_engine_cs *engine,
for (; i < table->n_entries / 2; i++) for (; i < table->n_entries / 2; i++)
intel_uncore_write(uncore, intel_uncore_write(uncore,
GEN9_LNCFCMOCS(i), GEN9_LNCFCMOCS(i),
l3cc_combine(table, unused_value, l3cc_combine(unused_value, unused_value));
unused_value));
} }
void intel_mocs_init_engine(struct intel_engine_cs *engine) 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)) if (!get_mocs_settings(gt->i915, &table))
return; return;
if (GEM_DEBUG_WARN_ON(table.size > table.n_entries))
return;
for (index = 0; index < table.size; index++) for (index = 0; index < table.size; index++)
intel_uncore_write(uncore, intel_uncore_write(uncore,
GEN12_GLOBAL_MOCS(index), GEN12_GLOBAL_MOCS(index),