drm/amdgpu:add switch buffer to end of CS (v2)

sync switch buffer scheme with windows kmd for gfx v8,
step1: append a switch_buffer to the end of CS

v2:rebase on latest staging

Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Monk Liu 2016-08-26 14:12:37 +08:00 • committed by Alex Deucher
commit c2167a659c
3 changed files with 11 additions and 0 deletions