[Linaro-mm-sig] Split GEM from the rest of DRM
rob at ti.com
Thu Apr 21 19:07:44 UTC 2011
On Thu, Apr 21, 2011 at 1:14 PM, Bridgman, John <John.Bridgman at amd.com> wrote:
>>> And, at least in our case, the driver for display controller may be
> present, but sgx kernel module may not. To make things look "normal"
> to userspace, I've taken the approach of writing a DRM driver that
> handles the KMS stuff, and has a plug-in API that other drivers,
> such as sgx, can register their own ioctl's and that sort of thing..
> there are a few rough edges to sort out to make more than a single
> plugin practical, but perhaps with an approach like this the vendor
> could implement a platform specific DRM driver to handle the mode
> setting and display bits, while ARM, IMG, etc (IP vendor) could each
> use a standard plugin interface to write their own drivers to work
> with the vendor provided display driver.
> I remember Dave Airlie proposed something that sounded similar for the upstream DRM, with options for display, graphics and compute, so maybe this is something that could fit upstream fairly easily ?
something like this sounds like what we want.. does someone have a
link to the proposal handy? I've no desire to re-invent the wheel
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