diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-02-18 11:21:56 (GMT) |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-03-03 14:16:04 (GMT) |
| commit | 36693f3c3254d9361095f6b225d5e69bd8da5c32 (patch) | |
| tree | 89e80dd9bf956eb9dea66f40d39ffa11463967c2 /drivers/gpu/drm/rcar-du/rcar_du_crtc.h | |
| parent | 17f6b8a0270f7a40b3dbe07dbcb6cb7f67ce570a (diff) | |
| download | linux-36693f3c3254d9361095f6b225d5e69bd8da5c32.tar.xz | |
drm: rcar-du: Wait for page flip completion when turning the CRTC off
Turning a CRTC off will prevent a queued page flip from ever completing,
potentially confusing userspace. Wait for queued page flips to complete
before turning the CRTC off to avoid this.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_crtc.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_crtc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h index d2f89f7..fb39e04 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_crtc.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_crtc.h @@ -15,6 +15,7 @@ #define __RCAR_DU_CRTC_H__ #include <linux/mutex.h> +#include <linux/wait.h> #include <drm/drmP.h> #include <drm/drm_crtc.h> @@ -32,6 +33,8 @@ struct rcar_du_crtc { bool started; struct drm_pending_vblank_event *event; + wait_queue_head_t flip_wait; + unsigned int outputs; int dpms; |