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authorLaurent Pinchart2018-10-17 21:08:31 +0200
committerLaurent Pinchart2018-11-23 12:51:22 +0100
commit3d61fe5f59dd3e6f96fc0772156d257cb04dc656 (patch)
tree478f2424cfce2b7c806b826e5af0ebb520dac8a2
parentdrm: rcar-du: Fix the return value in case of error in 'rcar_du_crtc_set_crc_... (diff)
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drm: rcar-du: Fix vblank initialization
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>
-rw-r--r--drivers/gpu/drm/rcar-du/rcar_du_kms.c2
1 files changed, 1 insertions, 1 deletions
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;