On 5/13/2023 7:44 AM, Radhakrishna Sripada wrote:
The dg2 workaround which is used for performance tuning
is needed for Meteorlake A-step.
v2: Limit the WA for A-step
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_lrc.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 81a96c52a92b..9c1007c44298 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1370,7 +1370,9 @@ gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs)
cs, GEN12_GFX_CCS_AUX_NV);
/* Wa_16014892111 */
- if (IS_DG2(ce->engine->i915))
+ if (IS_DG2(ce->engine->i915) ||
+ IS_MTL_GRAPHICS_STEP(ce->engine->i915, M, STEP_A0, STEP_B0) ||
+ IS_MTL_GRAPHICS_STEP(ce->engine->i915, P, STEP_A0, STEP_B0))
cs = dg2_emit_draw_watermark_setting(cs);
looks good to me.
Acked-by: Haridhar Kalvala <haridhar.kalvala@xxxxxxxxx>
return cs;
--
Regards,
Haridhar Kalvala