drm/i915: Force sync command ordering (Gen6+)

The docs say this is required for Gen7, and since the bit was added for
Gen6, we are also setting it there pit pf paranoia. Particularly as
Chris points out, if PIPE_CONTROL counts as a 3d state packet.

This was found through doc inspection by Ken and applies to Gen6+;

Reported-by: Kenneth Graunke <[email protected]>
Signed-off-by: Ben Widawsky <[email protected]>
Reviewed-by: Chris Wilson <[email protected]>
Reviewed-by: Daniel Vetter <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
Signed-off-by: Keith Packard <[email protected]>

0 files changed, 0 insertions, 0 deletions