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| author |   Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2015-12-14 22:39:44 +0200 |
|---|---|---|
| committer |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2016-03-03 17:36:42 +0200 |
| commit | b22e6690a3f656e3adb821ab4859e02932048066 (patch) | |
| tree | 85d15d2067e5b914ba705e3e510dc41f734853b7 /drivers/gpu/drm/omapdrm/omap_drv.h | |
| parent | drm/omap: gem: Refactor GEM object allocation (diff) | |
| download | linux-dev-b22e6690a3f656e3adb821ab4859e02932048066.tar.xz linux-dev-b22e6690a3f656e3adb821ab4859e02932048066.zip | |
drm/omap: gem: Implement dma_buf import
OMAP GEM objects backed by dma_buf reuse the current OMAP GEM object
support as much as possible. If the imported buffer is physically
contiguous its physical address will be used directly, reusing the
OMAP_BO_MEM_DMA_API code paths. Otherwise it will be mapped through the
TILER using a pages list created from the scatterlist instead of the
shmem backing storage.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_drv.h')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_drv.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_drv.h b/drivers/gpu/drm/omapdrm/omap_drv.h index 9e0030731c37..c077367dcb1a 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.h +++ b/drivers/gpu/drm/omapdrm/omap_drv.h @@ -195,6 +195,8 @@ void omap_gem_deinit(struct drm_device *dev); struct drm_gem_object *omap_gem_new(struct drm_device *dev, union omap_gem_size gsize, uint32_t flags); +struct drm_gem_object *omap_gem_new_dmabuf(struct drm_device *dev, size_t size, + struct sg_table *sgt); int omap_gem_new_handle(struct drm_device *dev, struct drm_file *file, union omap_gem_size gsize, uint32_t flags, uint32_t *handle); void omap_gem_free_object(struct drm_gem_object *obj); |