drm/etnaviv: Expose our reservation object when exporting a dmabuf.
Without this, polling on the dma-buf (and presumably other devices synchronizing against our rendering) would return immediately, even while the BO was busy. Signed-off-by: Eric Anholt <eric@anholt.net> Cc: stable@vger.kernel.org Cc: Lucas Stach <l.stach@pengutronix.de> Cc: Russell King <linux+etnaviv@armlinux.org.uk> Cc: Christian Gmeiner <christian.gmeiner@gmail.com> Cc: etnaviv@lists.freedesktop.org Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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@ -495,6 +495,7 @@ static struct drm_driver etnaviv_drm_driver = {
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.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
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.gem_prime_export = drm_gem_prime_export,
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.gem_prime_import = drm_gem_prime_import,
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.gem_prime_res_obj = etnaviv_gem_prime_res_obj,
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.gem_prime_pin = etnaviv_gem_prime_pin,
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.gem_prime_unpin = etnaviv_gem_prime_unpin,
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.gem_prime_get_sg_table = etnaviv_gem_prime_get_sg_table,
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@ -80,6 +80,7 @@ void *etnaviv_gem_prime_vmap(struct drm_gem_object *obj);
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void etnaviv_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
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int etnaviv_gem_prime_mmap(struct drm_gem_object *obj,
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struct vm_area_struct *vma);
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struct reservation_object *etnaviv_gem_prime_res_obj(struct drm_gem_object *obj);
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struct drm_gem_object *etnaviv_gem_prime_import_sg_table(struct drm_device *dev,
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struct dma_buf_attachment *attach, struct sg_table *sg);
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int etnaviv_gem_prime_pin(struct drm_gem_object *obj);
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@ -150,3 +150,10 @@ fail:
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return ERR_PTR(ret);
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}
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struct reservation_object *etnaviv_gem_prime_res_obj(struct drm_gem_object *obj)
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{
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struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
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return etnaviv_obj->resv;
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}
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