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drm/gem-dma: Use dma_buf from GEM object instance

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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/20250226172457.217725-4-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
2025-02-26 18:03:06 +01:00
parent 3f0e026096
commit e8afa1557f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/drm_gem_dma_helper.c
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@@ -230,7 +230,7 @@ void drm_gem_dma_free(struct drm_gem_dma_object *dma_obj)
if (drm_gem_is_imported(gem_obj)) {
if (dma_obj->vaddr)
dma_buf_vunmap_unlocked(gem_obj->import_attach->dmabuf, &map);
dma_buf_vunmap_unlocked(gem_obj->dma_buf, &map);
drm_prime_gem_destroy(gem_obj, dma_obj->sgt);
} else if (dma_obj->vaddr) {
if (dma_obj->map_noncoherent)