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drm: rcar-du: Fix vblank initialization
[ Upstream commit3d61fe5f59
] 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:4bf8e1962f
("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> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -544,7 +544,7 @@ int rcar_du_modeset_init(struct rcar_du_device *rcdu)
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* Initialize vertical blanking interrupts handling. Start with vblank
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* disabled for all CRTCs.
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*/
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ret = drm_vblank_init(dev, (1 << rcdu->num_crtcs) - 1);
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ret = drm_vblank_init(dev, rcdu->num_crtcs);
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if (ret < 0)
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return ret;
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