linux-kernel - [PATCH drm-next v2 09/16] drm/nouveau: bo: initialize GEM GPU VA interface

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Date:   Fri, 17 Feb 2023 14:48:13 +0100
From:   Danilo Krummrich <dakr@...hat.com>
To:     airlied@...il.com, daniel@...ll.ch, tzimmermann@...e.de,
        mripard@...nel.org, corbet@....net, christian.koenig@....com,
        bskeggs@...hat.com, Liam.Howlett@...cle.com,
        matthew.brost@...el.com, boris.brezillon@...labora.com,
        alexdeucher@...il.com, ogabbay@...nel.org, bagasdotme@...il.com,
        willy@...radead.org, jason@...kstrand.net
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        linux-doc@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, Danilo Krummrich <dakr@...hat.com>
Subject: [PATCH drm-next v2 09/16] drm/nouveau: bo: initialize GEM GPU VA interface

Initialize the GEM's DRM GPU VA manager interface in preparation for the
(u)vmm implementation, provided by subsequent commits, to make use of it.

Signed-off-by: Danilo Krummrich <dakr@...hat.com>
---
 drivers/gpu/drm/nouveau/nouveau_bo.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index f3039c1f87c9..bf6984c8754c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -215,11 +215,14 @@ nouveau_bo_alloc(struct nouveau_cli *cli, u64 *size, int *align, u32 domain,
 	nvbo = kzalloc(sizeof(struct nouveau_bo), GFP_KERNEL);
 	if (!nvbo)
 		return ERR_PTR(-ENOMEM);
+
 	INIT_LIST_HEAD(&nvbo->head);
 	INIT_LIST_HEAD(&nvbo->entry);
 	INIT_LIST_HEAD(&nvbo->vma_list);
 	nvbo->bo.bdev = &drm->ttm.bdev;
 
+	drm_gem_gpuva_init(&nvbo->bo.base);
+
 	/* This is confusing, and doesn't actually mean we want an uncached
 	 * mapping, but is what NOUVEAU_GEM_DOMAIN_COHERENT gets translated
 	 * into in nouveau_gem_new().
-- 
2.39.1