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drm/exynos: do not release memory region from exporter.

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the region should be released by exporter once dmabuf's refcount becomes 0.

Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Inki Dae 2012-06-12 16:52:54 +09:00
parent 47fcdce2d5
commit c374e73192
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/exynos/exynos_drm_gem.c
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@ -283,11 +283,21 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem_obj *exynos_gem_obj)
if (!buf->pages)
return;
/*
* do not release memory region from exporter.
*
* the region will be released by exporter
* once dmabuf's refcount becomes 0.
*/
if (obj->import_attach)
goto out;
if (exynos_gem_obj->flags & EXYNOS_BO_NONCONTIG)
exynos_drm_gem_put_pages(obj);
else
exynos_drm_free_buf(obj->dev, exynos_gem_obj->flags, buf);
out:
exynos_drm_fini_buf(obj->dev, buf);
exynos_gem_obj->buffer = NULL;