On 3/21/22 23:44, Ramalingam C wrote:
Handle the src and dst chunk offsets for different instances of the copy
engines.
Signed-off-by: Ramalingam C <ramalingam.c@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_migrate.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_migrate.c b/drivers/gpu/drm/i915/gt/intel_migrate.c
index 39a5f8ae664d..5f6341f91622 100644
--- a/drivers/gpu/drm/i915/gt/intel_migrate.c
+++ b/drivers/gpu/drm/i915/gt/intel_migrate.c
@@ -614,6 +614,9 @@ static int emit_copy(struct i915_request *rq,
u32 instance = rq->engine->instance;
u32 *cs;
+ src_offset += (u64)rq->engine->instance << 32;
+ dst_offset += (u64)rq->engine->instance << 32;
+
Again, these are nops since the offsets are 32-bit.
Also the instance selection is already handled in the functon, so I
think this patch can be dropped.
cs = intel_ring_begin(rq, ver >= 8 ? 10 : 6);
if (IS_ERR(cs))
return PTR_ERR(cs);
