Reviewed-by: Clint Taylor <Clinton.A.Taylor@xxxxxxxxx>
-Clint
On 11/16/21 9:48 AM, Matt Roper wrote:
From: Ramalingam C <ramalingam.c@xxxxxxxxx>
Invalidate IC cache through pipe control command as part of the ctx
restore flow through indirect ctx pointer.
v2:
- Move pipe control from xcs indirect context to the rcs indirect
context. We'll eventually need this on the CCS engines too, but
support for those hasn't landed yet.
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..b3489599e4de 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -1167,6 +1167,11 @@ gen12_emit_indirect_ctx_rcs(const struct intel_context *ce, u32 *cs)
cs = gen12_emit_cmd_buf_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;
}
