drm/ttm: revert "stop allocating dummy resources during BO creation"

This reverts commit 00984ad39599bb2a1e6ec5d4e9c75a749f7f45c9.

It seems to still breka i915.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Matthew Auld <matthew.william.auld@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230125155023.105584-1-christian.koenig@amd.com

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index bb0c21c8caac790ebad0fe66d896387491332743..326a3d13a82956846a428ac2e395bab48297a486 100644 (file)
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -953,6 +953,7 @@ int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo,
                         struct sg_table *sg, struct dma_resv *resv,
                         void (*destroy) (struct ttm_buffer_object *))
 {
+       static const struct ttm_place sys_mem = { .mem_type = TTM_PL_SYSTEM };
        int ret;
 
        kref_init(&bo->kref);
@@ -969,6 +970,12 @@ int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo,
                bo->base.resv = &bo->base._resv;
        atomic_inc(&ttm_glob.bo_count);
 
+       ret = ttm_resource_alloc(bo, &sys_mem, &bo->resource);
+       if (unlikely(ret)) {
+               ttm_bo_put(bo);
+               return ret;
+       }
+
        /*
         * For ttm_bo_type_device buffers, allocate
         * address space from the device.