| commit | a37951ac9f9642819e400814f6f30689db233c24 | [log] [tgz] |
|---|---|---|
| author | Chris Wilson <chris@chris-wilson.co.uk> | Tue Jan 24 11:00:06 2017 +0000 |
| committer | Chris Wilson <chris@chris-wilson.co.uk> | Tue Jan 24 15:56:18 2017 +0000 |
| tree | 26fc89da50390b97f47b970d99a4079eea95e463 | |
| parent | f747026c2b350fdb3c2d6fad51b7ebed4851183e [diff] |
drm/i915: Skip the execlists CSB scan and rewrite if the ring is untouched If the CSB head/tail pointers are unchanged, we can skip the update of the CSB register afterwards. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170124110009.28947-5-chris@chris-wilson.co.uk