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Signed-off-by: Christian König Signed-off-by: Arunpravin Paneer Selvam --- drivers/gpu/drm/ttm/ttm_range_manager.c | 33 +++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/gpu/drm/ttm/ttm_range_manager.c b/drivers/gpu/drm/ttm/ttm_range_manager.c index d91666721dc6..4cfef2b3514d 100644 --- a/drivers/gpu/drm/ttm/ttm_range_manager.c +++ b/drivers/gpu/drm/ttm/ttm_range_manager.c @@ -113,6 +113,37 @@ static void ttm_range_man_free(struct ttm_resource_manager *man, kfree(node); } +static bool ttm_range_man_intersects(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + struct drm_mm_node *node = &to_ttm_range_mgr_node(res)->mm_nodes[0]; + u32 num_pages = PFN_UP(size); + + /* Don't evict BOs outside of the requested placement range */ + if (place->fpfn >= (node->start + num_pages) || + (place->lpfn && place->lpfn <= node->start)) + return false; + + return true; +} + +static bool ttm_range_man_compatible(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size) +{ + struct drm_mm_node *node = &to_ttm_range_mgr_node(res)->mm_nodes[0]; + u32 num_pages = PFN_UP(size); + + if (node->start < place->fpfn || + (place->lpfn && (node->start + num_pages) > place->lpfn)) + return false; + + return true; +} + static void ttm_range_man_debug(struct ttm_resource_manager *man, struct drm_printer *printer) { @@ -126,6 +157,8 @@ static void ttm_range_man_debug(struct ttm_resource_manager *man, static const struct ttm_resource_manager_func ttm_range_manager_func = { .alloc = ttm_range_man_alloc, .free = ttm_range_man_free, + .intersects = ttm_range_man_intersects, + .compatible = ttm_range_man_compatible, .debug = ttm_range_man_debug };