On Tue, Aug 31, 2021 at 07:21:07PM +0800, Christian König wrote:
More flexible than the busy placements.
Signed-off-by: Christian König christian.koenig@amd.com
Patch 2 -> 5 are Acked-by: Huang Rui ray.huang@amd.com
drivers/gpu/drm/ttm/ttm_bo.c | 8 +++++++- include/drm/ttm/ttm_placement.h | 6 ++++++ 2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index 0a3127436f61..c7034040c67f 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -834,6 +834,9 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, const struct ttm_place *place = &placement->placement[i]; struct ttm_resource_manager *man;
if (place->flags & TTM_PL_FLAG_BUSY)continue;- man = ttm_manager_type(bdev, place->mem_type); if (!man || !ttm_resource_manager_used(man)) continue;
@@ -860,6 +863,9 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, const struct ttm_place *place = &placement->busy_placement[i]; struct ttm_resource_manager *man;
if (place->flags & TTM_PL_FLAG_IDLE)continue;- man = ttm_manager_type(bdev, place->mem_type); if (!man || !ttm_resource_manager_used(man)) continue;
@@ -869,7 +875,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo, if (likely(!ret)) return 0;
if (ret && ret != -EBUSY)
if (ret != -EBUSY) goto error;diff --git a/include/drm/ttm/ttm_placement.h b/include/drm/ttm/ttm_placement.h index 8995c9e4ec1b..63f7217354c0 100644 --- a/include/drm/ttm/ttm_placement.h +++ b/include/drm/ttm/ttm_placement.h @@ -53,6 +53,12 @@ /* For multihop handling */ #define TTM_PL_FLAG_TEMPORARY (1 << 2)
+/* Placement is only used when we are evicting */ +#define TTM_PL_FLAG_BUSY (1 << 3)
+/* Placement is only used when we are not evicting */ +#define TTM_PL_FLAG_IDLE (1 << 4)
/**
- struct ttm_place
-- 2.25.1