From: Jonathan Cavitt <[email protected]> All memory traffic must be quiesced before requesting an aux invalidation on platforms that use Aux CCS.
Signed-off-by: Jonathan Cavitt <[email protected]> Signed-off-by: Andi Shyti <[email protected]> --- drivers/gpu/drm/i915/gt/gen8_engine_cs.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c index e1c76e5bfa827..6f830f80eb0f8 100644 --- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c @@ -181,6 +181,13 @@ int gen12_emit_flush_rcs(struct i915_request *rq, u32 mode) { struct intel_engine_cs *engine = rq->engine; + /* + * Aux invalidations on Aux CCS platforms require + * memory traffic is quiesced prior. + */ + if (!HAS_FLAT_CCS(engine->i915)) + mode |= EMIT_FLUSH; + if (mode & EMIT_FLUSH) { u32 flags = 0; u32 *cs; -- 2.39.2
