MTL reuses the tuning parameters for DG2. Extend the dg2
performance tuning parameters to MTL.
v2: Add DRAW_WATERMARK tuning parameter.
v3: Limit DRAW_WATERMARK tuning to non A0 step.
v4: Reorder platform checks.
Restrict Blend fill caching optimization to Render GT.
Bspec: 68331
Cc: Haridhar Kalvala <haridhar.kalv...@intel.com>
Cc: Matt Roper <matthew.d.ro...@intel.com>
Cc: Gustavo Sousa <gustavo.so...@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.srip...@intel.com>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c
b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 786349e95487..b6d3185cf868 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -817,6 +817,12 @@ static void mtl_ctx_workarounds_init(struct
intel_engine_cs *engine,
{
struct drm_i915_private *i915 = engine->i915;
+ dg2_ctx_gt_tuning_init(engine, wal);
+
+ if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_B0, STEP_FOREVER) ||
+ IS_MTL_GRAPHICS_STEP(i915, P, STEP_B0, STEP_FOREVER))
+ wa_add(wal, DRAW_WATERMARK, VERT_WM_VAL, 0x3FF, 0, false);
+
if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0) ||
IS_MTL_GRAPHICS_STEP(i915, P, STEP_A0, STEP_B0)) {
/* Wa_14014947963 */
@@ -1748,6 +1754,13 @@ xelpmp_gt_workarounds_init(struct intel_gt *gt, struct
i915_wa_list *wal)
*/
static void gt_tuning_settings(struct intel_gt *gt, struct i915_wa_list *wal)
{
+ if (IS_METEORLAKE(gt->i915)) {
+ if (gt->type != GT_MEDIA)
+ wa_mcr_write_or(wal, XEHP_L3SCQREG7,
BLEND_FILL_CACHING_OPT_DIS);
+
+ wa_mcr_write_or(wal, XEHP_SQCM, EN_32B_ACCESS);
+ }
+
if (IS_PONTEVECCHIO(gt->i915)) {
wa_mcr_write(wal, XEHPC_L3SCRUB,
SCRUB_CL_DWNGRADE_SHARED | SCRUB_RATE_4B_PER_CLK);
@@ -2944,7 +2957,7 @@ static void
add_render_compute_tuning_settings(struct drm_i915_private *i915,
struct i915_wa_list *wal)
{
- if (IS_DG2(i915))
+ if (IS_METEORLAKE(i915) || IS_DG2(i915))
wa_mcr_write_clr_set(wal, RT_CTRL, STACKID_CTRL,
STACKID_CTRL_512);
/*
--
2.34.1
