In order to program unused and reserved mocs entries to L3_WB,
we need to create a separate mocs table for alderlake.
This patch will also covers wa_1608975824.
Cc: Chris P Wilson <chris.p.wilson@xxxxxxxxx>
Cc: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
Signed-off-by: Ayaz A Siddiqui <ayaz.siddiqui@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_mocs.c | 41 +++++++++++++++++++++++++++-
1 file changed, 40 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_mocs.c b/drivers/gpu/drm/i915/gt/intel_mocs.c
index a97cc08e5a395..577a78dfedf99 100644
--- a/drivers/gpu/drm/i915/gt/intel_mocs.c
+++ b/drivers/gpu/drm/i915/gt/intel_mocs.c
@@ -339,6 +339,39 @@ static const struct drm_i915_mocs_entry dg1_mocs_table[] = {
MOCS_ENTRY(63, 0, L3_1_UC),
};
+static const struct drm_i915_mocs_entry adl_mocs_table[] = {
+ /* wa_1608975824 */
+ MOCS_ENTRY(0,
+ LE_3_WB | LE_TC_1_LLC | LE_LRUM(3),
+ L3_3_WB),
+
+ GEN11_MOCS_ENTRIES,
+ /* Implicitly enable L1 - HDC:L1 + L3 + LLC */
+ MOCS_ENTRY(48,
+ LE_3_WB | LE_TC_1_LLC | LE_LRUM(3),
+ L3_3_WB),
+ /* Implicitly enable L1 - HDC:L1 + L3 */
+ MOCS_ENTRY(49,
+ LE_1_UC | LE_TC_1_LLC,
+ L3_3_WB),
+ /* Implicitly enable L1 - HDC:L1 + LLC */
+ MOCS_ENTRY(50,
+ LE_3_WB | LE_TC_1_LLC | LE_LRUM(3),
+ L3_1_UC),
+ /* Implicitly enable L1 - HDC:L1 */
+ MOCS_ENTRY(51,
+ LE_1_UC | LE_TC_1_LLC,
+ L3_1_UC),
+ /* HW Special Case (CCS) */
+ MOCS_ENTRY(60,
+ LE_3_WB | LE_TC_1_LLC | LE_LRUM(3),
+ L3_1_UC),
+ /* HW Special Case (Displayable) */
+ MOCS_ENTRY(61,
+ LE_1_UC | LE_TC_1_LLC,
+ L3_3_WB),
+};
+
enum {
HAS_GLOBAL_MOCS = BIT(0),
HAS_ENGINE_MOCS = BIT(1),
@@ -464,7 +497,13 @@ static unsigned int get_mocs_settings(const struct drm_i915_private *i915,
memset(table, 0, sizeof(struct drm_i915_mocs_table));
- if (IS_DG1(i915)) {
+ if (IS_ALDERLAKE_S(i915) || IS_ALDERLAKE_P(i915)) {
+ table->size = ARRAY_SIZE(adl_mocs_table);
+ table->table = adl_mocs_table;
+ table->n_entries = GEN9_NUM_MOCS_ENTRIES;
+ table->uc_index = 3;
+ table->unused_entries_index = 2;
+ } else if (IS_DG1(i915)) {
table->size = ARRAY_SIZE(dg1_mocs_table);
table->table = dg1_mocs_table;
table->n_entries = GEN9_NUM_MOCS_ENTRIES;
--
2.26.2
