drm/nouveau: switch to new allocator

It should be able to handle all cases now.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Madhav Chauhan <madhav.chauhan@amd.com>
Tested-by: Huang Rui <ray.huang@amd.com>
Link: https://patchwork.freedesktop.org/patch/397082/?series=83051&rev=1

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -1327,25 +1327,13 @@ nouveau_ttm_tt_populate(struct ttm_bo_device *bdev,
 	drm = nouveau_bdev(bdev);
 	dev = drm->dev->dev;
 
-#if IS_ENABLED(CONFIG_AGP)
-	if (drm->agp.bridge) {
-		return ttm_pool_populate(ttm, ctx);
-	}
-#endif
-
-#if IS_ENABLED(CONFIG_SWIOTLB) && IS_ENABLED(CONFIG_X86)
-	if (swiotlb_nr_tbl()) {
-		return ttm_dma_populate((void *)ttm, dev, ctx);
-	}
-#endif
-	return ttm_populate_and_map_pages(dev, ttm_dma, ctx);
+	return ttm_pool_alloc(&drm->ttm.bdev.pool, ttm, ctx);
 }
 
 static void
 nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
 			  struct ttm_tt *ttm)
 {
-	struct ttm_tt *ttm_dma = (void *)ttm;
 	struct nouveau_drm *drm;
 	struct device *dev;
 	bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
@@ -1356,21 +1344,7 @@ nouveau_ttm_tt_unpopulate(struct ttm_bo_device *bdev,
 	drm = nouveau_bdev(bdev);
 	dev = drm->dev->dev;
 
-#if IS_ENABLED(CONFIG_AGP)
-	if (drm->agp.bridge) {
-		ttm_pool_unpopulate(ttm);
-		return;
-	}
-#endif
-
-#if IS_ENABLED(CONFIG_SWIOTLB) && IS_ENABLED(CONFIG_X86)
-	if (swiotlb_nr_tbl()) {
-		ttm_dma_unpopulate((void *)ttm, dev);
-		return;
-	}
-#endif
-
-	ttm_unmap_and_unpopulate_pages(dev, ttm_dma);
+	return ttm_pool_free(&drm->ttm.bdev.pool, ttm);
 }
 
 static void

drivers/gpu/drm/nouveau/nouveau_drv.h

@@ -56,7 +56,6 @@
 #include <drm/ttm/ttm_placement.h>
 #include <drm/ttm/ttm_memory.h>
 #include <drm/ttm/ttm_module.h>
-#include <drm/ttm/ttm_page_alloc.h>
 
 #include <drm/drm_audio_component.h>