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Commit 7bd4d7be authored by Jesse Barnes's avatar Jesse Barnes Committed by Eric Anholt
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drm: use page flip event to signal flip completion 



We don't actually know which frame number the flip will complete on, so
userspace needs a specific flip notification to tell it when the last flip
completed.

Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
Acked-by: default avatarKristian Høgsberg <krh@bitplanet.net>
parent 6b95a207

drivers/gpu/drm/drm_crtc.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -2527,7 +2527,7 @@ int drm_mode_page_flip_ioctl(struct drm_device *dev, 
			goto out;

			goto out;

		}

		}





		e->event.base.type = DRM_EVENT_VBLANK;

		e->event.base.type = DRM_EVENT_FLIP_COMPLETE;

		e->event.base.length = sizeof e->event;

		e->event.base.length = sizeof e->event;

		e->event.user_data = page_flip->user_data;

		e->event.user_data = page_flip->user_data;

		e->base.event = &e->event.base;

		e->base.event = &e->event.base;

include/drm/drm.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -718,6 +718,7 @@ struct drm_event { 
};

};





#define DRM_EVENT_VBLANK 0x01

#define DRM_EVENT_VBLANK 0x01

#define DRM_EVENT_FLIP_COMPLETE 0x02





struct drm_event_vblank {

struct drm_event_vblank {

	struct drm_event base;

	struct drm_event base;