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c066d2310a
We want to change swap_state to wait indefinitely, but to do this swap_state should wait interruptibly. This requires propagating the error to each driver. Cc: dri-devel@lists.freedesktop.org Cc: linux-kernel@vger.kernel.org Cc: intel-gfx@lists.freedesktop.org Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170711143314.2148-3-maarten.lankhorst@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> [mlankhorst: Fix typos in swap_state documentation (seanpaul)] Reviewed-by: Sean Paul <seanpaul@chromium.org>] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>