On 5/13/2023 7:44 AM, Radhakrishna Sripada wrote:
MTL reuses the tuning parameters for DG2. Extend the dg2
performance tuning parameters to MTL.
v2: Add DRAW_WATERMARK tuning parameter.
Bspec: 68331
Cc: Haridhar Kalvala <haridhar.kalvala@xxxxxxxxx>
Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
Cc: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_workarounds.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 786349e95487..72dab970de5b 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -817,6 +817,10 @@ 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);
+
+ wa_add(wal, DRAW_WATERMARK, VERT_WM_VAL, 0x3FF, 0, false);
Hi RK,
I am not sure but have doubt w.r.t DRAW_WATERMARK are we not doing same
in [ Patch V2 1/2].
Thank you,
Haridhar Kalvala
+
if (IS_MTL_GRAPHICS_STEP(i915, M, STEP_A0, STEP_B0) ||
IS_MTL_GRAPHICS_STEP(i915, P, STEP_A0, STEP_B0)) {
/* Wa_14014947963 */
@@ -1754,7 +1758,7 @@ static void gt_tuning_settings(struct intel_gt *gt, struct i915_wa_list *wal)
wa_mcr_masked_en(wal, XEHPC_LNCFMISCCFGREG0, XEHPC_HOSTCACHEEN);
}
- if (IS_DG2(gt->i915)) {
+ if (IS_DG2(gt->i915) || IS_METEORLAKE(gt->i915)) {
wa_mcr_write_or(wal, XEHP_L3SCQREG7, BLEND_FILL_CACHING_OPT_DIS);
wa_mcr_write_or(wal, XEHP_SQCM, EN_32B_ACCESS);
}
@@ -2944,7 +2948,7 @@ static void
add_render_compute_tuning_settings(struct drm_i915_private *i915,
struct i915_wa_list *wal)
{
- if (IS_DG2(i915))
+ if (IS_DG2(i915) || IS_METEORLAKE(i915))
wa_mcr_write_clr_set(wal, RT_CTRL, STACKID_CTRL, STACKID_CTRL_512);
/*
--
Regards,
Haridhar Kalvala
