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We don't want to try to vblank synchronize to monitors which are off. In order to handle that properly, we need to know the CRTC's DPMS mode. Signed-off-by: Kenneth Graunke <kenneth@whitecape.org> Reviewed-by: Keith Packard <keithp@keithp.com> Tested-by: Jason Ekstrand <jason.ekstrand@intel.com> Signed-off-by: Keith Packard <keithp@keithp.com>
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