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drm/tegra: 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 an implementation
detail of PRIME.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20250619113100.70292-3-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann
2025-06-19 13:27:01 +02:00
committed by Thierry Reding
parent 7f67c360bc
commit 482c7e296e
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/tegra/gem.c
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@@ -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);
}
}