Commit 482c7e29 authored by Thomas Zimmermann's avatar Thomas Zimmermann Committed by Thierry Reding
Browse files

drm/tegra: 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 an implementation
detail of PRIME.

Signed-off-by: default avatarThomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20250619113100.70292-3-tzimmermann@suse.de
parent 7f67c360

drivers/gpu/drm/tegra/gem.c

+1 −1
Original line number Diff line number Diff line
@@ -526,7 +526,7 @@ void tegra_bo_free_object(struct drm_gem_object *gem) 
		if (drm_gem_is_imported(gem)) {

			dma_buf_unmap_attachment_unlocked(gem->import_attach, bo->sgt,

							  DMA_TO_DEVICE);

			dma_buf_detach(gem->import_attach->dmabuf, gem->import_attach);

			dma_buf_detach(gem->dma_buf, gem->import_attach);

		}

	}