3.16.65-rc1 review patch. If anyone has any objections, please let me know.
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From: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
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@xxxxxx>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
[bwh: Backported to 3.16: adjust filename, context]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
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;
