| From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> |
| Date: Wed, 17 Oct 2018 22:08:31 +0300 |
| Subject: drm: rcar-du: Fix vblank initialization |
| |
| commit 3d61fe5f59dd3e6f96fc0772156d257cb04dc656 upstream. |
| |
| The drm_vblank_init() takes the total number of CRTCs as an argument, |
| but the rcar-du driver passes a bitmask of the CRTC indices. Fix it. |
| |
| Fixes: 4bf8e1962f91 ("drm: Renesas R-Car Display Unit DRM driver") |
| Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com> |
| Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> |
| Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> |
| [bwh: Backported to 3.16: adjust filename, context] |
| Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
| --- |
| drivers/gpu/drm/rcar-du/rcar_du_drv.c | 2 +- |
| 1 file changed, 1 insertion(+), 1 deletion(-) |
| |
| --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c |
| +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c |
| @@ -89,7 +89,7 @@ static int rcar_du_load(struct drm_devic |
| } |
| |
| /* vblank handling */ |
| - ret = drm_vblank_init(dev, (1 << rcdu->num_crtcs) - 1); |
| + ret = drm_vblank_init(dev, rcdu->num_crtcs); |
| if (ret < 0) { |
| dev_err(&pdev->dev, "failed to initialize vblank\n"); |
| goto done; |
