improved swap/MSC-wait scheduling in DPMS-off state
michel at daenzer.net
Tue Apr 30 02:16:46 PDT 2013
On Son, 2013-04-28 at 16:07 -0400, Ilija Hadzic wrote:
> No new functionality is needed from X-server or any other library
> except one #define in libdrm which should go into libdrm anyway
> (it was sent to dri-devel list but has not been merged yet ).
That change needs
#define DRM_CAP_TIMESTAMP_MONOTONIC 0x6
or a dependency on a released version of libdrm with the definition.
> The end result is that regardless in which state the display is, the
> application sees the events (time and sequence numbers) that progress
> as if the CRTC is running and the events happen at right time points
> on the grid determined by the vlbanks (real or interpolated).
Indeed, looks like DPMS off no longer has any effect on piglit
results. :) Thanks for working on this.
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
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