[Intel-gfx] [RFC 33/60] drm/i915/lmem: support pwrite

[Dave Airlie]

On Fri, 10 Jul 2020 at 22:00, Matthew Auld <matthew.auld at intel.com> wrote:
>
> We need to add support for pwrite'ing an LMEM object.

why? DG1 is a discrete GPU, these interfaces we already gross and
overly hacky for integrated, I'd prefer not to drag them across into
discrete land.

same goes for pread.

You have no legacy userspace here, userspace needs change to support
LMEM, it can be fixed to avoid legacy ioctls paths.

Dave.