Commit e8afa155 authored by Thomas Zimmermann's avatar Thomas Zimmermann
Browse files

drm/gem-dma: 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: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarAnusha Srivatsa <asrivats@redhat.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250226172457.217725-4-tzimmermann@suse.de
parent 3f0e0260

drivers/gpu/drm/drm_gem_dma_helper.c

+1 −1
Original line number Diff line number Diff line
@@ -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)