[PATCH libdrm v2 1/2] etnaviv: sync uapi header
emil.l.velikov at gmail.com
Sat Apr 8 19:55:15 UTC 2017
On 7 April 2017 at 13:06, Philipp Zabel <p.zabel at pengutronix.de> wrote:
> Import the etnaviv header changes from kernel commits 9ad59fea162c
> ("drm/etnaviv: submit support for in-fences") and 78ec187f64fa
> ("drm/etnaviv: submit support for out-fences") for fence fd support.
> The drm_etnaviv_gem_submit structure was extended to include a flags
> field, new flags for in-fence and out-fence fds and an input/output
> fence fd field.
> This is one-way backwards compatible because old userspace code passing
> a short structure not including the flags field to new kernels will
> cause the remaining fields to be zero-filled. New userspace code must
> make sure to only pass the short structure to old kernels, though.
> Not generated using make headers_install, since the drm/etnaviv_drm.h
> uapi header is not installed yet by the kernel.
IIRC all the other drivers should already install the header, so we
want to fix this, right?
If we're too late for this kernel cycle, we will land the patch as-is.
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