Comment 17 for bug 1243261

Revision history for this message
In , Chris Wilson (ickle) wrote :

commit 68cef6cd281572fcfb76a341dc45b7c8e5baffe6
Author: Chris Wilson <email address hidden>
Date: Thu Nov 7 13:09:25 2013 +0000

    sna/gen7: Request secure batches for Haswell vsync

    Since commit 8ff8eb2b38dc705f5c86f524c1cd74a811a7b04c
    Author: Chris Wilson <email address hidden>
    Date: Mon Sep 9 16:23:04 2013 +0100

        sna/hsw: Scanline waits require both DERRMR and forcewake

    we have been emitting LRI to enable vsync on the render ring. This
    requires a privileged batch buffer, and whilst we were checking for
    kernel support, we forgot to actually tell the kernel to submit the
    batch with the right privileges.

    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71328
    Signed-off-by: Chris Wilson <email address hidden>