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| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-02-23 02:02:15 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-03-03 17:16:21 +0300 |
| commit | 8d3f9b22891acbc1fd06df80c62f5ac0e3b3d3a5 (patch) | |
| tree | fb74d310cb9d2fa52432320916080eebedd6df36 /drivers/gpu/drm/rcar-du/rcar_du_drv.h | |
| parent | ede7714f2e5ee1c7032d2865f6cc73158ff39f45 (diff) | |
| download | linux-8d3f9b22891acbc1fd06df80c62f5ac0e3b3d3a5.tar.xz | |
drm: rcar-du: Implement asynchronous commit support
Implement a custom .atomic_commit() handler that supports asynchronous
commits using a work queue. This can be used for userspace-driven
asynchronous commits, as well as for an atomic page flip implementation.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Diffstat (limited to 'drivers/gpu/drm/rcar-du/rcar_du_drv.h')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.h b/drivers/gpu/drm/rcar-du/rcar_du_drv.h index d1ede13cb1d5..c7c538dd2e68 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.h @@ -15,6 +15,7 @@ #define __RCAR_DU_DRV_H__ #include <linux/kernel.h> +#include <linux/wait.h> #include "rcar_du_crtc.h" #include "rcar_du_group.h" @@ -84,6 +85,11 @@ struct rcar_du_device { unsigned int dpad0_source; struct rcar_du_lvdsenc *lvds[RCAR_DU_MAX_LVDS]; + + struct { + wait_queue_head_t wait; + u32 pending; + } commit; }; static inline bool rcar_du_has(struct rcar_du_device *rcdu, |