[Intel-gfx] [PATCH 1/3] drm/i915: Remove DRI1 ring accessors and API

With the deprecation of UMS, and by association DRI1, we have a tough choice when updating the ring access routines. We either rewrite the DRI1 routines blindly without testing (so likely to be broken) or take the liberty of declaring them no longer supported and remove them entirely. This takes

[Intel-gfx] [PATCH 1/3] drm/i915: Remove DRI1 ring accessors and API

With the deprecation of UMS, and by association DRI1, we have a tough choice when updating the ring access routines. We either rewrite the DRI1 routines blindly without testing (so likely to be broken) or take the liberty of declaring them no longer supported and remove them entirely. This takes