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authorJakub Kicinski <kuba@kernel.org>2022-07-28 18:21:16 -0700
committerJakub Kicinski <kuba@kernel.org>2022-07-28 18:21:16 -0700
commit272ac32f566e3f925b20c231a2b30f6893aa258a (patch)
treec7c04a13d89349f0d007914904347df79438f3fa /drivers/gpu/drm/drm_gem_ttm_helper.c
parentnet: cdns,macb: use correct xlnx prefix for Xilinx (diff)
parentMerge tag 'net-5.19-final' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net (diff)
downloadwireguard-linux-272ac32f566e3f925b20c231a2b30f6893aa258a.tar.xz
wireguard-linux-272ac32f566e3f925b20c231a2b30f6893aa258a.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_gem_ttm_helper.c')
-rw-r--r--drivers/gpu/drm/drm_gem_ttm_helper.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_gem_ttm_helper.c b/drivers/gpu/drm/drm_gem_ttm_helper.c
index d5962a34c01d..e5fc875990c4 100644
--- a/drivers/gpu/drm/drm_gem_ttm_helper.c
+++ b/drivers/gpu/drm/drm_gem_ttm_helper.c
@@ -64,8 +64,13 @@ int drm_gem_ttm_vmap(struct drm_gem_object *gem,
struct iosys_map *map)
{
struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
+ int ret;
+
+ dma_resv_lock(gem->resv, NULL);
+ ret = ttm_bo_vmap(bo, map);
+ dma_resv_unlock(gem->resv);
- return ttm_bo_vmap(bo, map);
+ return ret;
}
EXPORT_SYMBOL(drm_gem_ttm_vmap);
@@ -82,7 +87,9 @@ void drm_gem_ttm_vunmap(struct drm_gem_object *gem,
{
struct ttm_buffer_object *bo = drm_gem_ttm_of_gem(gem);
+ dma_resv_lock(gem->resv, NULL);
ttm_bo_vunmap(bo, map);
+ dma_resv_unlock(gem->resv);
}
EXPORT_SYMBOL(drm_gem_ttm_vunmap);