[PATCH 3/7] drm/ttm: allow reserve more than one shared slot

[Christian König]

Let's support simultaneous submissions to multiple engines.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_execbuf_util.c | 6 ++++--
 include/drm/ttm/ttm_execbuf_util.h     | 2 +-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_execbuf_util.c b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
index e493edb0d3e7..9b842884530a 100644
--- a/drivers/gpu/drm/ttm/ttm_execbuf_util.c
+++ b/drivers/gpu/drm/ttm/ttm_execbuf_util.c
@@ -129,7 +129,8 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 			if (!entry->shared)
 				continue;
 
-			ret = reservation_object_reserve_shared(bo->resv, 1);
+			ret = reservation_object_reserve_shared(bo->resv,
+								entry->shared);
 			if (!ret)
 				continue;
 		}
@@ -151,7 +152,8 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 		}
 
 		if (!ret && entry->shared)
-			ret = reservation_object_reserve_shared(bo->resv, 1);
+			ret = reservation_object_reserve_shared(bo->resv,
+								entry->shared);
 
 		if (unlikely(ret != 0)) {
 			if (ret == -EINTR)
diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h
index b0fdd1980034..3b16dda9bd08 100644
--- a/include/drm/ttm/ttm_execbuf_util.h
+++ b/include/drm/ttm/ttm_execbuf_util.h
@@ -46,7 +46,7 @@
 struct ttm_validate_buffer {
 	struct list_head head;
 	struct ttm_buffer_object *bo;
-	bool shared;
+	unsigned int shared;
 };
 
 /**
-- 
2.14.1