diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-02-23 01:02:15 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2015-03-03 16:16:21 +0200 |
| commit | 8d3f9b22891acbc1fd06df80c62f5ac0e3b3d3a5 (patch) | |
| tree | fb74d310cb9d2fa52432320916080eebedd6df36 /drivers/gpu/drm/rcar-du/rcar_du_drv.c | |
| parent | ede7714f2e5ee1c7032d2865f6cc73158ff39f45 (diff) | |
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.c')
| -rw-r--r-- | drivers/gpu/drm/rcar-du/rcar_du_drv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 8ab4c69c599b..1d9e4f8568ae 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c @@ -19,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/pm.h> #include <linux/slab.h> +#include <linux/wait.h> #include <drm/drmP.h> #include <drm/drm_crtc_helper.h> @@ -163,6 +164,8 @@ static int rcar_du_load(struct drm_device *dev, unsigned long flags) return -ENOMEM; } + init_waitqueue_head(&rcdu->commit.wait); + rcdu->dev = &pdev->dev; rcdu->info = np ? of_match_device(rcar_du_of_table, rcdu->dev)->data : (void *)platform_get_device_id(pdev)->driver_data; |