diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2025-02-26 18:03:08 +0100 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2025-03-06 08:59:07 +0100 |
| commit | 1a148af06000e545e714fe3210af3d77ff903c11 (patch) | |
| tree | 715cf2c5c8b2d5529405531cb370fd97545109a5 | |
| parent | dbdd636e51eb0429f10f47e5562119407b86f09a (diff) | |
drm/gem-shmem: Use dma_buf from GEM object instance
Avoid dereferencing struct drm_gem_object.import_attach for the
imported dma-buf. The dma_buf field in the GEM object instance refers
to the same buffer. Prepares to make import_attach optional.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Anusha Srivatsa <asrivats@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250226172457.217725-6-tzimmermann@suse.de
| -rw-r--r-- | drivers/gpu/drm/drm_gem_shmem_helper.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c index 7722cd720248..d99dee67353a 100644 --- a/drivers/gpu/drm/drm_gem_shmem_helper.c +++ b/drivers/gpu/drm/drm_gem_shmem_helper.c @@ -339,10 +339,10 @@ int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, int ret = 0; if (drm_gem_is_imported(obj)) { - ret = dma_buf_vmap(obj->import_attach->dmabuf, map); + ret = dma_buf_vmap(obj->dma_buf, map); if (!ret) { if (drm_WARN_ON(obj->dev, map->is_iomem)) { - dma_buf_vunmap(obj->import_attach->dmabuf, map); + dma_buf_vunmap(obj->dma_buf, map); return -EIO; } } @@ -405,7 +405,7 @@ void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, struct drm_gem_object *obj = &shmem->base; if (drm_gem_is_imported(obj)) { - dma_buf_vunmap(obj->import_attach->dmabuf, map); + dma_buf_vunmap(obj->dma_buf, map); } else { dma_resv_assert_held(shmem->base.resv); |