freedreno: fix multi-layer transfer_map's
The use of transfer_inline_write() in TexSubImage path (see fb9fe352ea4)
exposed a bug for "layer_first" resources (ie. a4xx) not setting correct
layer_stride.
Signed-off-by: Rob Clark <robclark@freedesktop.org>
diff --git a/src/gallium/drivers/freedreno/freedreno_resource.c b/src/gallium/drivers/freedreno/freedreno_resource.c
index 4455818..ded8147 100644
--- a/src/gallium/drivers/freedreno/freedreno_resource.c
+++ b/src/gallium/drivers/freedreno/freedreno_resource.c
@@ -299,7 +299,7 @@
ptrans->usage = usage;
ptrans->box = *box;
ptrans->stride = util_format_get_nblocksx(format, slice->pitch) * rsc->cpp;
- ptrans->layer_stride = slice->size0;
+ ptrans->layer_stride = rsc->layer_first ? rsc->layer_size : slice->size0;
if (usage & PIPE_TRANSFER_READ)
op |= DRM_FREEDRENO_PREP_READ;