linux-kernel - [PATCH v4 09/17] drm/ttm: set both resv and base.resv pointers

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Message-Id: <20190802052247.18427-10-kraxel@redhat.com>
Date:   Fri,  2 Aug 2019 07:22:39 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     ckoenig.leichtzumerken@...il.com, thomas@...pmail.org,
        tzimmermann@...e.de, daniel@...ll.ch, bskeggs@...hat.com,
        Gerd Hoffmann <kraxel@...hat.com>,
        Christian Koenig <christian.koenig@....com>,
        Huang Rui <ray.huang@....com>, David Airlie <airlied@...ux.ie>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v4 09/17] drm/ttm: set both resv and base.resv pointers

Initialize both ttm_buffer_object->resv and ttm_buffer_object->base.resv
pointers.  This allows to move users from the former to the latter.  When
all users are moved we can drop ttm_buffer_object->resv.

Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
Reviewed-by: Christian König <christian.koenig@....com>
---
 drivers/gpu/drm/ttm/ttm_bo.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 2ff09d2bfddb..cd3a179a7e25 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1331,9 +1331,11 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 	bo->sg = sg;
 	if (resv) {
 		bo->resv = resv;
+		bo->base.resv = resv;
 		reservation_object_assert_held(bo->resv);
 	} else {
 		bo->resv = &bo->base._resv;
+		bo->base.resv = &bo->base._resv;
 	}
 	if (!ttm_bo_uses_embedded_gem_object(bo)) {
 		/*
-- 
2.18.1