drm: i915: Wait for fences on new fb, not old
authorDaniel Stone <daniels@collabora.com>
Fri, 21 Oct 2016 14:44:54 +0000 (15:44 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 24 Oct 2016 07:02:58 +0000 (09:02 +0200)
commit2d2c5ad83f772d7d7b0bb8348ecea42e88f89ab0
tree8f1fd712d6df96f1270eb486eb7274e90ad04c53
parent9558e74c26d2d63b9395f4d4153faa05f9de84f8
drm: i915: Wait for fences on new fb, not old

The previous code would wait for fences on the framebuffer from the old
plane state to complete, rather than the new, so you would see tearing
everywhere. Fix this to wait on the new state before we make it active.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Fixes: 94f050246b42 ("drm/i915: nonblocking commit")
Cc: stable@vger.kernel.org
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20161021144454.6288-1-daniels@collabora.com
drivers/gpu/drm/i915/intel_display.c