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>
---
drivers/gpu/drm/rcar-du/rcar_du_kms.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
index 4ebd61ecbee1..fe6f65c94eef 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c
@@ -582,7 +582,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
* Initialize vertical blanking interrupts handling. Start with vblank
* disabled for all CRTCs.
*/
- ret = drm_vblank_init(dev, (1 << rcdu->num_crtcs) - 1);
+ ret = drm_vblank_init(dev, rcdu->num_crtcs);
if (ret < 0)
return ret;
--
Regards,
Laurent Pinchart
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