[PATCH 3/4] drm/i915/dg2: Add Wa_16013000631

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From: Ramalingam C <ramalingam.c@xxxxxxxxx>

Invalidate IC cache through pipe control command as part of the ctx
restore flow through indirect ctx pointer

Cc: Chris Wilson <chris.p.wilson@xxxxxxxxx>
Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
 drivers/gpu/drm/i915/gt/intel_lrc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 56156cf18c41..5523d7b2f983 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1176,6 +1176,11 @@ gen12_emit_indirect_ctx_xcs(const struct intel_context *ce, u32 *cs)
 	cs = gen12_emit_timestamp_wa(ce, cs);
 	cs = gen12_emit_restore_scratch(ce, cs);
 
+	/* Wa_16013000631:dg2 */
+	if (IS_DG2_GRAPHICS_STEP(ce->engine->i915, G10, STEP_B0, STEP_C0) ||
+	    IS_DG2_G11(ce->engine->i915))
+		cs = gen8_emit_pipe_control(cs, PIPE_CONTROL_INSTRUCTION_CACHE_INVALIDATE, 0);
+
 	return cs;
 }
 
-- 
2.33.0




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