linux-kernel - Re: [PATCH v3 1/9] soc: mediatek: cmdq: add address shift in jump

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Message-ID: <1594193257.21095.0.camel@mtksdaap41>
Date:   Wed, 8 Jul 2020 15:27:37 +0800
From:   Bibby Hsieh <bibby.hsieh@...iatek.com>
To:     Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>
CC:     Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, CK Hu <ck.hu@...iatek.com>,
        Houlong Wei <houlong.wei@...iatek.com>,
        <dri-devel@...ts.freedesktop.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>,
        HS Liao <hs.liao@...iatek.com>
Subject: Re: [PATCH v3 1/9] soc: mediatek: cmdq: add address shift in jump

Reviewed-by: Bibby Hsieh <bibby.hsieh@...iatek.com>


On Tue, 2020-07-07 at 23:45 +0800, Dennis YC Hsieh wrote:
> Add address shift when compose jump instruction
> to compatible with 35bit format.
> 
> Change since v1:
> - Rename cmdq_mbox_shift() to cmdq_get_shift_pa().
> 
> Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@...iatek.com>
> ---
>  drivers/soc/mediatek/mtk-cmdq-helper.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
> index dc644cfb6419..9faf78fbed3a 100644
> --- a/drivers/soc/mediatek/mtk-cmdq-helper.c
> +++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
> @@ -329,7 +329,8 @@ int cmdq_pkt_finalize(struct cmdq_pkt *pkt)
>  
>  	/* JUMP to end */
>  	inst.op = CMDQ_CODE_JUMP;
> -	inst.value = CMDQ_JUMP_PASS;
> +	inst.value = CMDQ_JUMP_PASS >>
> +		cmdq_get_shift_pa(((struct cmdq_client *)pkt->cl)->chan);
>  	err = cmdq_pkt_append_command(pkt, inst);
>  
>  	return err;