[Intel-gfx] [PATCH i-g-t 0/2] Add new vblank and lease tests [v2]

[Keith Packard]

Changes since last version:

 * Add local definitions of new ioctls to avoid dependency on proposed
   libdrm bits.

 * Remove FIRST_PIXEL_OUT as that has been removed from the proposed
   kernel interface

 * Add tests for get_lease and list_lessees

 * Fix commit message on the lease test patch