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: NDaniel Stone <daniels@collabora.com> Fixes: 94f05024 ("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: NDaniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/20161021144454.6288-1-daniels@collabora.com (cherry picked from commit 2d2c5ad8) Signed-off-by: NJani Nikula <jani.nikula@intel.com>
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