On 2022-03-24 at 17:20:28 +0100, Thomas Hellström (Intel) wrote: > > 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. Thanks. Dropped this patch. and made copy and clear uniform with respect to engine index handling for offset. Ram. > > > > cs = intel_ring_begin(rq, ver >= 8 ? 10 : 6); > > if (IS_ERR(cs)) > > return PTR_ERR(cs);