[Intel-gfx] [PATCH 3/3] drm/i915: Add module parameter to remove RCS engine

[Chris Wilson]

Quoting Stuart Summers (2019-08-13 18:41:21)
> In some debug scenarios, it might be interesting to load
> a platform without support for the render command streamer.
> Add a module parameter to allow this platform configuration.
> 
> Signed-off-by: Stuart Summers <stuart.summers at intel.com>

Interesting, aside from that we shall never add a new modparam for users
to beat us with except under extreme duress, I would have made this a
ring_mask. Default to -1ull, mask off the rings you wish to exclude.
-Chris