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| author | Inki Dae <inki.dae@samsung.com> | 2012-11-28 19:09:31 +0900 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2012-12-13 06:05:43 -0800 |
| commit | a7b362fb3bba310426b90e7bac83a2206808e425 (patch) | |
| tree | 37f66c99508fae68baea57ca24237557891a9f31 /drivers/gpu/drm/exynos/exynos_drm_drv.h | |
| parent | ae9dace2903db86b27f19d40c1d1b21a6f712895 (diff) | |
drm/exynos: add dmabuf attach/detach callbacks.
With this patch, When dma_buf_unmap_attachment is called,
the pages of sgt aren't unmapped from iommu table.
Instead, when dma_buf_detach is called, that would be done.
And also removes exynos_get_sgt function used to get clone sgt
and uses attachment's sgt instead. This patch would resolve
performance deterioration issue when v4l2-based driver is using
the buffer imported from gem.
This change is derived from videobuf2-dma-contig.c
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_drv.h')
0 files changed, 0 insertions, 0 deletions