[PATCH] drm/rockchip: vop2: add a missing unlock in vop2_crtc_atomic_enable()

Sascha Hauer s.hauer at pengutronix.de
Mon Jan 22 02:31:41 PST 2024


On Fri, Jan 19, 2024 at 11:08:40AM -0800, Harshit Mogalapalli wrote:
> Unlock before returning on the error path.
> 
> Fixes: 5a028e8f062f ("drm/rockchip: vop2: Add support for rk3588")
> Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli at oracle.com>

Reviewed-by: Sascha Hauer <s.hauer at pengutronix.de>

Thanks for fixing this.

Sascha

> ---
> This is based on static analysis. Only compile tested.
> Note: Smatch found this.
> ---
>  drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> index 85b3b4871a1d..fdd768bbd487 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
> @@ -1985,8 +1985,10 @@ static void vop2_crtc_atomic_enable(struct drm_crtc *crtc,
>  		clock = vop2_set_intf_mux(vp, rkencoder->crtc_endpoint_id, polflags);
>  	}
>  
> -	if (!clock)
> +	if (!clock) {
> +		vop2_unlock(vop2);
>  		return;
> +	}
>  
>  	if (vcstate->output_mode == ROCKCHIP_OUT_MODE_AAAA &&
>  	    !(vp_data->feature & VOP2_VP_FEATURE_OUTPUT_10BIT))
> -- 
> 2.39.3
> 
> 

-- 
Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | http://www.pengutronix.de/  |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |



More information about the linux-arm-kernel mailing list