[Intel-gfx] [CI 01/13] drm/i915: introduce a mechanism to extend execbuf2

We're planning to use this for a couple of new feature where we need to provide additional parameters to execbuf. v2: Check for invalid flags in execbuffer2 (Lionel) v3: Rename I915_EXEC_EXT -> I915_EXEC_USE_EXTENSIONS (Chris) Signed-off-by: Lionel Landwerlin Reviewed-by: Chris Wilson (v1)

[Intel-gfx] [CI 01/13] drm/i915: introduce a mechanism to extend execbuf2

We're planning to use this for a couple of new feature where we need to provide additional parameters to execbuf. v2: Check for invalid flags in execbuffer2 (Lionel) v3: Rename I915_EXEC_EXT -> I915_EXEC_USE_EXTENSIONS (Chris) Signed-off-by: Lionel Landwerlin Reviewed-by: Chris Wilson (v1)